|
Adventure Island
- EEGGPO
- Black and white
- Russell Latterman
- EAAEEE
- Can't use weapons
- Russell Latterman
- NZXEAPSA
- Die when carrying a weapon and you will start over with a skateboard
- By Russell Latterman
Arkanoid
- AEYZOP
- See blocks that have been destroyed
- Rick Bruns
- AEIZZN
- Ball moves very fast
- Rick Bruns
- POIZZY
- Ball moves extremely fast
- Rick Bruns
- IIZZIG
- Colors for bricks and backgrounds changed
- Rick Bruns
- SOTUVA
- Stage skip door always open
- Rick Bruns
- OPEEIO
- Items fall through you
- Rick Bruns
- LKEEIP
- Computer plays for you
- Rick Bruns
- XTSPEE
- Black background and blocks
- Rick Bruns
- VVZZPP
- Square ball
- Rick Bruns
- AEIEEI
- No points can be scored
- Rick Bruns
- AISXXL
- Actual brick layout differs from the one displayed
- Rick Bruns
- YYAXXX
- Major points and speed
- Rick Bruns
- STPOOO
- Ball cannot destroy bricks
- Rick Bruns
Blaster Master
- TTPOTV
- Press Up to make tank fly
- Unknown author
- KKPSTV
- Enemies you touch or shoot die instantly
- Unknown author
- KKPSAV
- Enemies die automatically
- Unknown author
- KKPATV
- Jason shares energy bar with tank
- Unknown author
- OOPATV
- Exit and reenter tank to gain most items
- Unknown author
- IIPIKE
- Enemies regenerate
- Unknown author
- ZZPPKK
- Enemies always leave powerups
- Unknown author
- KKPPKK
- Can't collect powerups
- Unknown author
- PPGAEK
- Bullets can pass vertically through walls one block thick
- Unknown author
Castlevania 3
- VPLLTG
- Whip hits enemies farther in front of and behind you
- Jesse Smith
- SOTLYK
- Enemies withstand more hits
- Jesse Smith
- NYZAGA
- Skip to the end of the game
- Jesse Smith
- SXPZIO
- Whip won't harm eneies
- Jesse Smith
- TOZOGG
- Find 1up at start of Stage 1
- Jesse Smith
- TEZOGG
- Find Axe at start of Stage 1
- Jesse Smith
- NXZOGG
- Find Stopwatch at start of Stage 1
- Jesse Smith
- OXZOGG
- Find Holy Water at start of Stage 1
- Jesse Smith
Contra
- TEIIXZ
- Get strange gun after dying
- Unknown author
Crystalis
- NYZGPA
- Start with 42 Attack Points
- Jesse Smith
- NYTGPA
- Your character appears black
- Jesse Smith
Dig Dug II
- YYXLSVVK
- Gain lives by touching water
- Jesse Smith
Dragon Warrior
- VVOYYTSA
- Start with Princess saved
- Jesse Smith
- VVPYAT
- Start with more experience and items
- Jesse Smith
- YLTTOP
- Most enemies die with one hit
- Unknown author
- VKVLLP
- Walk through some walls
- Unknown author
- VTUZOP
- Get better armor and weapons each time you bring up subscreen
- Unknown author
- AATVLL
- Get more gold from first treasure chest
- Unknown author
- LUUVZI
- Enemies are very strong
- Unknown author
Dragon Warrior III
- IUYEKZ
- Get Sword of Illusion after a battle
- Jesse Smith
- IVYEKZ
- Get Multi-edge Sword (cursed) after a battle
- Jesse Smith
- YNYEKZ
- Get Fairy Water after a battle
- Jesse Smith
- ONYEKZ
- Get Staff of Reflection after a battle
- Jesse Smith
- NKYEKZ
- Get Staff of Judgement after a battle
- Jesse Smith
- KNYEKX
- Get Leather Shield, Swordedge Armor, or Ring of Life after a battle
- Jesse Smith
- NVYEKZ
- Get Falcon Sword after a battle
- Jesse Smith
- NUYEKX
- Get Shoes of Happiness or Poison Needle after a battle
- Jesse Smith
- NKYEKX
- Get Fighting Suit or Staff of Judgement after a battle
- Jesse Smith
- NSYEKX
- Get Staff of Reflection after a battle
- Jesse Smith
- GVYEKX
- Get Royal Scroll after a battle
- Jesse Smith
- GNYEKX
- Get Staff of Rain after a battle
- Jesse Smith
- IKYEKZ
- Get random items after a battle
- Jesse Smith
Dragon Warrior IV
- YAVATGSL
- Gain 999 HP when injured and 999 MP when MP is used
- Jesse Smith
- UULEAT
- Gain 99,999 gold when you buy something
- Jesse Smith
- NYTXYA
- Open treasure chests with items inside are randomly placed on map
- Jesse Smith
- NYTUYA
- Exit Burland and you will warp north of Surene
- Jesse Smith
- NYAPGA
- Start a new game, save, and turn the power off. When you return to the game Ragnar will have lots of experience and items.
- Jesse Smith
Final Fantasy
- NYOUTAAE
- Start with lots of gold
- Unknown author
- AEAGGN
- Every character has fighter statistics
- Unknown author
- OTYULX
- Get lots of experience and gold when monsters run from battle
- Unknown author
- NYULIEVS
- LIF adds 1 MP
- Unknown author
- NYVULEVS
- LIF2 adds 1 MP
- Unknown author
- USAUSL
- Start with all four orbs lit
- Unknown author
- OOTPVP
- No random enemy encounters
- Unknown author
- EETPUO
- No random enemy encounters
- Unknown author
- OOTPOV
- 32,767 experience per battle
- Unknown author
- ANSGTYZE
- Infinite MP
- Unknown author
- VYKLPALX
- Fighter starts with 254 HP
- Unknown author
- PAKLPALZ
- Fighter starts with 1 HP
- Unknown author
- NYGGAE
- All characters start with white magic
- Unknown author
- PEAGIY
- First character is very strong
- Unknown author
- SXZIIO
- Most oceans are gone; cannot exit towns with code active
- Unknown author
- NYGGZP
- See credits immediately
- Unknown author
- OYLGZE
- Start at Cardia Island
- Unknown author
- XYLGZE
- Start at Onrac
- Unknown author
- KYLGZE
- Start at Caravan
- Unknown author
- VYLGZA
- Start at the Waterfall
- Unknown author
- TGZIPA
- Start with the airship
- Jesse Smith
- NYAGPA
- Start with the ship
- Jesse Smith
- LZZLLL
- Characters revive when killed and always attack multiple times; don't use Cure potions or spells
- Mark Genro
- IEZGGN
- All characters start with 999 HP
- neolive
Galaga
- TTTTTE
- Only one shot allowed onscreen at once
- Jay McGavren
- TTTTTI
- All enemies destroyed in flight during first life worth 3000 points
- Jay McGavren
Gauntlet
- YAZENO
- Walk down through walls; pause and unpause to clear screen when it greys out
- Jay McGavren
- YAZENZ
- Walk diagonally down through many walls, sounds held until interrupted by another
- Jay McGavren
- YAZENX
- Can walk left through all walls; sound effects altered
- Jay McGavren
- YAZENE
- Strange music; can't move
- Jay McGavren
- GGEEEE
- Walk through walls
- Unknown author
- ZZOOOO
- Move slowly
- Unknown author
Gradius
- NYPZZL
- No enemies
- Unknown author
Guardian Legend
- TNZVVO
- No enemies
- Unknown author
- YNZNVP
- Start with a very strong shield
- Unknown author
- ZSTEKP
- Press Select to get more points and energy tanks
- Unknown author
- AEISSX
- Speed up game
- Unknown author
- EOZYYY
- No enemies in flying scenes
- Unknown author
Kung Fu
- AKIPPO
- Leg stays out after foot sweep
- Unknown author
The Legend of Zelda
- SGAOXK
- Most caves have large alternate entrance elsewhere on screen
- Jay McGavren
- SGTOSK
- Reveals caves hidden under bushes
- Jay McGavren
- OAKOEK
- Altered world map
- Jay McGavren
- PGAOSK
- Altered world map
- Jay McGavren
- IIAAAP
- Altered world map
- Jay McGavren
- TIKAAI
- Warp to next screen instead of scrolling
- Jay McGavren
- TIKAII
- Strange scrolling
- Jay McGavren
- YEAOAA
- Changes all files to quest 2
- Jay McGavren
- POKEXA
- Enemies may appear in walls
- Jay McGavren
- SULUIS
- Most enemies injured by a sword swipe when lined up vertically
- Jay McGavren
- SULUII
- Jabs to either side have no effect on enemies
- Jay McGavren
- GULUIU
- Invincibility
- Jay McGavren
- LULUIU
- Press down then diagonally down to walk through walls downwards
- Jay McGavren
- OEAEEE
- Upperworld enemies have underworld powers and vice-versa
- Unknown author
- OAAEEE
- Bad guys sometimes move in slow-mo
- Unknown author
- OOAEEE
- A few screens are shuffled in overworld.
- Unknown author
- TIAAAK
- Striped board
- Jay McGavren
- PPLXZZ
- Touch any wall and a ghost will appear
- Unknown author
- PPEEAA
- Brings up dungeon subscreen at all times
- Unknown author
- POZXXU
- Randomly gain items on different screens
- Unknown author
- AEEAEE
- All enemies replaced with falling rocks
- Unknown author
- AAPVEX
- Start game at top left corner of map
- Unknown author
- AAANAA
- Walk through walls in dungeons (cannot move to next screen in overworld, use whistle to get to a dungeon)
- Unknown author
- AAPNLO
- Walk through walls in overworld (can't exit caves)
- Unknown author
- OSTLLY
- Press B repeatedly with no weapon equipped to use different weapons
- Unknown author
- EENAKP
- Peoples' locations shuffled
- Unknown author
- KTVXXZ
- All secret entrances open
- Unknown author
- XYYYYL
- Bait appears where shooting sword hits
- Unknown author
- PPZXYY
- Castle floor maps scrambled
- Unknown author
- IZLZZZ
- Walls change into moving statues when touched, leaving open space you can walk through
- Unknown author
- OPPEEA
- Text speed increased
- Unknown author
- PPEEAA
- Overworld subscreen displays dungeon map
- Unknown author
Marble Madness
- GGGGGG
- Marble color changes every round
- Jay McGavren
Mega Man
- AVVXAP
- Can't collect powerups
- Jay McGavren
- AVVXGP
- No invincibility period after hit; continuous drain while in contact
- Jay McGavren
- SZKZPZ
- One hit fatal
- Jay McGavren
Mega Man 2
- AOAPYO
- Warp when scrolling down
- Jay McGavren
- AKKOOY
- Some enemies frozen
- Jay McGavren
- PIGNAX
- Enemies that "home in" on you go in the wrong direction
- Jay McGavren
- PGZETT
- Extra platform at end of section one in any stage
- Jay McGavren
- PGTETT
- Mega Man can't descend from jumps/platforms unless hit
- Jay McGavren
- AOKPYO
- Warp to top of screen when climbing up or down
- Jay McGavren
Mega Man 3
- YNXSTLGP
- Extremely long slide
- Jay McGavren
- NNKIALEE
- Very speedy slide
- Jay McGavren
- IAKGNIPA
- Move extremely fast
- Jay McGavren
- YATYIZ
- Platforms and walls invisible
- Jay McGavren
- SGAOSK
- Eliminate all enemies (and unfortunately, all bosses)
- Jay McGavren
- PGAOSK
- Enemies appear out of nowhere
- Jay McGavren
- YPTPSK
- Most enemies missing
- Jay McGavren
Metroid
- NNNSXLIE
- Gain 255 rockets on pick-up
- Jay McGavren
- IIAIII
- Beam has longer range
- Jay McGavren
- IIPIIS
- Bullets sometimes ricochet wildly or stick in walls
- Jay McGavren
- IIPIIX
- Pressing Fire button lays bombs even while jumping
- Jay McGavren
- IIPIIU
- Fire both missiles and standard shot
- Jay McGavren
- AIPTZG
- Reverse direction quickly to run backwards
- Jay McGavren
- TTXTTT
- Pass through any wall to the left
- Jay McGavren
- SUPEAI
- Descend through floor a little each time you shoot up
- Michael Thornbury
- EEXTTY
- Jump through ceilings
- Michael Thornbury
- KAPGEI
- Jump in mid-air
- Michael Thornbury
- SSAEAI
- Travel freely through walls when you're a ball
- Chuck Du Marr
- SSXAEI
- Get stuck in walls (this can be useful)
- Chuck Du Marr
- EENTPU
- Samus runs much faster
- Chuck Du Marr
- GAESGI
- Start with long beam
- Chuck Du Marr
- UNEYGO
- Intangibility
- Chuck Du Marr
- KAPGVI
- Can't change direction when jump-flipping
- Chuck Du Marr
- LLLVKV
- Elevator appears where Maru-Mari is located
- Unknown author
- LLLVVV
- Missile appears where Maru-Mari is located
- Unknown author
- AAESTL
- Standard gun shoots lower
- Unknown author
- XXUAAA
- Enemies are frozen
- Unknown author
- PPPSSS
- Energy orbs worth 30 points
- Unknown author
- PPPAAA
- Some enemies already dead
- Unknown author
R.C. Pro Am
- KSZZEG
- Handicap code
- Unknown author
Rygar
- PPPPPP
- Enemies run from you
- Jay McGavren
- YPPPPP
- Enemies move with screen
- Jay McGavren
- NYPPPT
- Strange area
- Jay McGavren
- YAZENZ
- New color palette
- Jay McGavren
- ZEVLEY
- Most enemies disappear as they approach you
- Jay McGavren
- EGAOKK
- Quicksand
- Jay McGavren
- AAAEGP
- Enemies move both vertically and horizontally
- Jay McGavren
- PEOPLA
- All enemies leave star icons
- Mike Meyer
- PELAGE
- Enemies are invisible
- Unknown author
Spy Hunter
- SPPPEA
- No gun
- Unknown author
- PEAEEP
- Speed up game
- Unknown author
- XVVZSS
- Slow motion; score keeps increasing
- Unknown author
- VZOPKG
- Enemies move very fast
- Unknown author
- KIIOOZ
- No enemies
- Unknown author
- YKPOOZ
- No civilians
- Unknown author
- KPPIIK
- Altered courses
- Unknown author
- YYEZNIYE
- Very slow timer
- Unknown author
Super Mario Bros. (Super Mario Bros./Duck Hunt Version)
- PGOPSK
- A submerged mushroom level with Bowser
- Jay McGavren
- OGOPSK
- An easier version of castle 8-4
- Jay McGavren
- OGIPOK
- A short level with orange trees and pipes
- Jay McGavren
- TAKOPK
- Invisible bricks scattered around levels; no clouds or bushes
- Jay McGavren
- SGAOPK
- First stage strangely altered; cannot be completed
- Jay McGavren
- PGOOKK
- Start in world 1-1 bonus room submerged in water; loops
- Jay McGavren
- OAKOKK
- Loop through pipe level which becomes increasingly difficult; every third level is a strangely altered version of other levels
- Jay McGavren
- OGOOKK
- Loop through submerged castle and later tree level
- Jay McGavren
- SGAOSK
- Two submerged outdoor levels and a permanent loop through a water level
- Jay McGavren
- GAIOPK
- A level similar to world 1-1 but strewn with boulders; make sure Mario is small when completing first level or you'll be stuck
- Jay McGavren
- OAKPSK
- A level covered with clouds; can't complete
- Jay McGavren
- IPPPPI
- A level similar to 1-1 but filled with bonus blocks
- Jay McGavren
- OAKOPK
- Stages appear normal but have invisible pitfalls
- Jay McGavren
- PGAOOK
- A strange variation on a 1-1 bonus room; all blocks are replaced by vinelike objects
- Jay McGavren
- IAGPSK
- Several strange levels including a submerged basement
- AYKPSK
- A castle converted to an outdoor level
- Jay McGavren
- AGGPSK
- A floorless level with blocks strewn all over; try getting killed at various points for new levels
- Jay McGavren
- ZIGPSK
- 9 strange levels; castles combined with outdoor worlds and more
- Jay McGavren
- PSKOGK
- World 1-1 with no floor
- Jay McGavren
- PPPPPP
- Music switched between levels
- Jay McGavren
- POIISK
- Can't bump boxes
- Jay McGavren
- POIISG
- Items in bonus boxes scrambled
- Jay McGavren
- VALLEY
- Enemies move fast or not at all
- Jay McGavren
- TALLEY
- Enemies move left only
- Jay McGavren
- TELLEI
- No items
- Jay McGavren
- POIISO
- Enemies flip whem stomped
- Jay McGavren
- POEISO
- Enemies change to other enemies when stomped
- Jay McGavren
- PONISO
- All enemies injure you when stomped
- Jay McGavren
- YLLLLI
- Heavy mushrooms
- Jay McGavren
- ULLLLI
- Mario can't run
- Jay McGavren
- PGOPGO
- No music
- Jay McGavren
- TGOOIG
- Music strangely altered in overworld
- Jay McGavren
- POIIOG
- Jump through boxes
- Jay McGavren
- POIOIG
- Fall through floor
- Jay McGavren
- TIKOIO
- Outdoor levels are underwater; indoor levels converted to outdoors
- Jay McGavren
- TIKAGI
- Score indicators behave strangely
- Jay McGavren
- TIKPEK
- No enemies
- Jay McGavren
- IKTPOK
- No enemies outdoors
- Jay McGavren
- TIKOAO
- Swim without water
- Jay McGavren
- TIZPSK
- Rearranged enemies
- Jay McGavren
- TIKPOG
- More enemies
- Jay McGavren
- TIKAPO
- Slow motion; blurred screen
- Jay McGavren
- TISOPP
- Mario appears in center of screen
- Jay McGavren
- PIAULT
- Mario slides farther when stopping
- dml
- SSASSA
- Mario appears normally but is invincible at all times
- Unknown author
- YZXLNY
- Mario can run extremely fast
- Unknown author
- PAASNO
- Run into enemies from the side or below and you will stomp them
- Unknown author
- YAZSNO
- Mario powers up when hit
- Unknown author
- PAZSNO
- Mario can shoot fireballs even after being hit
- Unknown author
- ZEVLGK
- When jumping Mario keeps rising until button is released
- Unknown author
- IVYIVY
- Enemies move faster
- Unknown author
- PINAAO
- Move in Pause
- Unknown author
- YEEOPO
- Start with 480 on timer
- Unknown author
- PZZONO
- Go down any pipe
- Unknown author
- AZZYZZ
- Fireballs wrap around screen
- Unknown author
- PPTSNO
- Enemies change into other enemies when stomped
- Unknown author
- AOZAZT
- Green background
- Unknown author
- ATAAZT
- Black background
- Unknown author
- TGAETT
- Shadow Mario
- Unknown author
- EEZYAZ
- Enemies match player's color
- Unknown author
- PZZONX
- Breakable blocks become coral
- Unknown author
- ZEVSNO
- Strange effects when stomping enemies
- Unknown author
- PPASSA
- All power ups work like mushrooms
- Unknown author
- TXNPIS
- All item boxes contain powerups
- Unknown author
- EVYIVN
- Enemies walk through walls, fall through floors
- Unknown author
- TIKOAP
- Start level 1-1 in the wrong place
- Unknown author
- YAGNAX
- Mario, items, and enemies disappear and reappear
- Unknown author
- AEENIE
- Mario glides instead of running
- Unknown author
- AYYNIE
- Mario's running movements speed up
- Unknown author
- NAGNAX
- Mario is invisible; no enemies
- Unknown author
- NAGNAG
- Sound effects scrambled
- Unknown author
- VENUSS
- Hit any block and the screen will scramble; hit it again to descramble
- Unknown author
- USSUSS
- No powerups
- Unknown author
- VXNPIS
- Certain blocks extended over large areas
- Unknown author
- ENOENO
- Randomly colored blocks
- Unknown author
- YEZTZZ
- Pass through enemies and items
- Unknown author
- YAZANO
- Background colors alternate in stripes
- Unknown author
- YAZPNO
- Pipes appear in the air
- Unknown author
- YAZONO
- Pipes replaced by strange background designs
- Unknown author
- YAZEUO
- Scrambled colors
- Unknown author
- YAZENZ
- Flashing items are strange colors
- Unknown author
- YAZENG
- Invisible blocks marked by a "7"
- Unknown author
- EVYIVY
- Any object that hits the ground starts hopping
- Unknown author
- EPZKIX
- Turtles appear everywhere
- Unknown author
- EEVLGK
- Standing jumps shoot straight up; can pass through some ceilings
- Unknown author
- ZEENIE
- Mario falls off ledges at a very slow rate
- Unknown author
- TELLEY
- Mario falls upwards
- Unknown author
- PGAETT
- Mario appears as a shadow
- Unknown author
- GGAEXP
- Striped scenery
- Unknown author
- POEISA
- Power up when stomping enemies
- Unknown author
- PIGNAX
- Mario is invisible
- Unknown author
- POKEXX
- Bricks don't disappear when destroyed
- Unknown author
- EATSSY
- Walk through any wall
- Unknown author
- PIGPOG
- More enemies
- Unknown author
- GAAGGA
- Coins from bonus boxes never stop falling
- Dave Higgins
- SEPUEG
- Mushrooms diappear and give you thousands of points
- Dave Higgins
- ATAPIX
- Automatically continue at level 1 of the last world you were on
- Dave Higgins
- SEIING
- Sky goes dark whenever Mario hits a block
- Dave Higgins
- STAGEO
- All enemies throw hammers occasionally
- Dave Higgins
- SPEPNY
- Bowser flames appear in World 1-1
- Dave Higgins
- PPEPNY
- Lakitu appears in World 1-1
- Dave Higgins
- GPEPNY
- Chirp-Chirps appear in World 1-1
- Dave Higgins
- YPEPNY
- Bullet Bills appear in World 1-1
- Dave Higgins
- SIIPKK
- A level filled with cannons which appears to be underwater
- Dave Higgins
- PIPOIS
- A level with strange structures made out of bricks and halves of pipes
- Dave Higgins
- SIPPNG
- A series of submerged castles and a submerged bonus round
- Dave Higgins
- KAAEPO
- Jump on Koopas multiple times
- Russel Latterman
- STAGEO
- Goombas throw hammers
- Unknown author
- KILLLU
- Warp to next stage whenever big Mario jumps
- Unknown author
- AAATIO
- Enemies frozen
- Unknown author
- Super Mario Bros. 2
- EEPOEP
- No sound when killing enemies
- Jay McGavren
- SULUIS
- Enemies float
- Jay McGavren
- ISPANK
- Messed up levels
- Jay McGavren
- PPPPPG
- Sky is grey; Ninjis can't jump
- Jay McGavren
- YPPPPP
- Can't pick up POW blocks
- Jay McGavren
- YIKOAP
- Fall from sky after going through red doors; don't pick up potions!
- Jay McGavren
- ANNNIE
- Disappear after picking up life mushroom
- Jay McGavren
- YAZESO
- Multiple enemies appear in one spot. You can pull multiple items from the place a piece of grass was, multiple POW boxes from the place a POW box was, and get multiple cherries from the place a cherry was. Also warps you to another place in the same area when you go through a door or up the vine to the next area.
- Jay McGavren
- PGAOKK
- Enemies and items are either grey and dead-looking, transparent (no kidding!), or glow with spectral energy. All act strangely.
- Jay McGavren
- KGAOKK
- Enemies all glow, many are out of place, like Pansers in world 1.
- Jay McGavren
- YAZYIZ
- When you throw an item, it appears a few sprites away and drops straight down; discoloration
- Jay McGavren
- PGOOKK
- Enemies flash; can't stand on them
- Jay McGavren
- AGOOKK
- Enemies glide around
- Jay McGavren
- IAZENG
- Multi-jump possible while rising
- u40915
- OTAOTA
- Can't pick up cherries
- u40915
- PINAAO
- Throw a potion anywhere and all enemies will freeze; alters music
- u40915
- EKIEPS
- Sound effects mixed in with music
- u40915
- EPOPPI
- Wart's music plays in first stage
- u40915
- KAAEPK
- Music altered
- u40915
- KOTAGE
- Some instruments missing
- u40915
- XZZOEK
- Some notes sustained longer
- u40915
- KEZEKZ
- Teleport to top of screen every time you pick up an item
- u40915
- UOZEAZ
- Most enemies missing; some areas altered
- u40915
- OPEOPE
- Character always acts as if climbing, often falls through floors
- u40915
- EKAEPS
- Thrown items/enemies change into hearts
- u40915
- EPKEPK
- Character retains control of last thrown item, can redirect its path with B button
- u40915
- PKKEPK
- Button A makes some enemies jump instead of your character
- u40915
- KAKEPK
- Characters appear to change into other characters when shrunk
- u40915
- EPAPPI
- Pink Shyguys can fall off ledges
- u40915
- ELKELG
- Can't kill enemies
- u40915
- USSUSS
- Intangibility
- u40915
- LEGOIO
- All uprooted grass turns into coins even in light world
- u40915
- NNEULV
- Enemies bounce higher when killed
- u40915
- TELPOT
- Enemies walk through walls and off ledges
- u40915
- POPAET
- Thrown objects travel unpredictable distances
- u40915
- YPYPYP
- Pow blocks change into bombs when picked up
- u40915
- APAPAP
- Characters carry and throw all items with their feet
- u40915
- TEAPOT
- Enemies and items frozen in place even when thrown
- u40915
- EPOPPK
- Sky is purple
- u40915
- ATEOAG
- Strange effects on color and when pulling up grass
- u40915
- KUZETZ
- Enemies from later levels appear in World 1-1
- u40915
- KXZETZ
- Enemies in different places and in larger numbers
- u40915
- KAZETZ
- Some platforms sunk lower than normal
- u40915
- KEZETZ
- Level altered in many strange ways
- u40915
- KZZETZ
- World 1-1 drastically rearranged
- u40915
- EEEEEE
- Background sprites swapped around
- u40915
- EKKELV
- Jumping sound effect constantly changes tone; any attempt to scroll left adversely affects background graphics
- u40915
Super Mario Bros. 3
- AVLLLI
- Items appear in strange places; may crash game
- Jay McGavren
- IIIIII
- Enemies float in midair and may change altitude unexpectedly
- Unknown author
- XOKXGLIA
- Start and stay as grey Mario, can't power up, kill even invincible enemies with one stomp
- thespook
- KPILNE
- View ending
- Unknown author
- SOIKET
- Can enter finished levels
- Unknown author
- NLLLXZ
- Fire plants don't shoot
- Unknown author
- YVZZZS
- Run faster
- Unknown author
- POYZZG
- Finish all levels on world instantly
- Unknown author
- ZOTZZE
- Strange music
- Unknown author
- PPPSSS
- No enemies (Makes it impossible to finish the level)
- Unknown author
- YEUXKGAA
- Start and stay as cloud on map
- Unknown author
- AIZOAI
- Press A on Start square for hidden level
- Professor Falken
- PGTIPS
- Most enemies stuck on left side of screen
- u40915
- AOSUZI
- Hold B to pull throwable blocks out of thin air; can create
holes in floor or walls
- u40915
- EAOXUN
- Enemies die as soon as they appear onscreen
- u40915
- POPUPO
- Hammer Bros. on map always asleep
- u40915
- KOZZYV
- Fire breathing plants don't shoot; piranha plants do
- u40915
- IOZZVV
- Mario's arms always stick out; crashes at Stage 3
- u40915
- OEPZXZ
- Earn a 1up for each enemy killed
- u40915
- SEUXKGAA
- Start as a variation on Tanooki Mario that looks like Raccoon Mario
- u40915
- SSASSA
- Intangibility
- u40915
- TTTXUN
- Mario constantly spins; may freeze game
- u40915
- POEISO
- Can hit enemies far off to either side of where they actually appear
- u40915
- ATIXXL
- Mario runs uncontrollably at high speed
- u40915
- ATVXXL
- Hold B and Mario will continue moving in the same direction at the same speed
- u40915
- AOZXVL
- Rainbow effects on graphics; turns map screen invisible
- u40915
- EPYXXL
- Pressing B slows Mario to a halt
- u40915
- EAYXXL
- Mario accelerates to full speed much faster
- u40915
- AOLXUU
- Mario keeps accelerating when you try to turn around
- u40915
- ZTZUYS
- Mario can pass through walls
- u40915
Teenage Mutant Ninja Turtles II
- YLTEAG
- Handicap code
- Unknown author
- IPGATO
- Infinite lives - Player 2
- Unknown author
Tetris (Tengen)
- OOEAKZ
- Every line cleared eliminates 6
- Unknown author
- PPAEPO
- Press Down to rotate block very fast
- Unknown author
- POSEGK
- Blocks pass through placed pieces
- Unknown author
- GAAEPP
- Press down to stop blocks from falling
- Unknown author
- ZZEAGI
- Blocks invisible once placed
- Unknown author
- AEKOOX
- Higher score when blocks placed
- Unknown author
- YNKOOX
- Blocks invisible once placed
- Unknown author
Starforce
- TATTTT
- Diving enemies much faster
- Unknown author
Zanac
- KTAOTA
- When killed, a glitched version of the credits is displayed, with music that sounds terrible when played at the same time as the current music.
- Jay McGavren
- ETAOTE
- When killed, warp to Area 0
- Jay McGavren
- KGGPAK
- Multi-direction shot much more powerful
- Jay McGavren
- POIISK
- Ground is covered with powerups; some will freeze game
- Jay McGavren
- POEISO
- Ground covered with a long string of antimatter holders followed by a string of all types of powerups at the start of this level
- Jay McGavren
- PGOPGO
- Vibrator shield appears as one of the midbosses
- Jay McGavren
- ULLOAG
- Shoot vibrator shield as often as you need
- Jay McGavren
- ULLOZG
- Disappear when you shoot an enemy with the multi-direction shot; screen keeps scrolling
- Jay McGavren
- ASAOPE
- Strange new weapons; A-button inactive until a powerup pod is collected
- Jay McGavren
- AOAPYA
- Extremely strange weapons- most are useless
- Jay McGavren
- ISPANK
- Powerup locations jumbled; don't collect symbols or any numbering over 7
- Jay McGavren
- KTIOTA
- Normal bullets frozen in place
- Jay McGavren
- KTLOTG
- Normal bullets can't hit enemies
- Jay McGavren
- KTLOTV
- Can't power up normal bullets
- Jay McGavren
- KTLOVP
- Some enemies cloaked
- Jay McGavren
- KTPOTA
- Keep standard cannon power when killed
- Jay McGavren
- STUPIT
- Blue boxes indestructible
- Jay McGavren
- YEEEEK
- Frozen in place
- Jay McGavren
- KEEEEK
- Move slowly
- Jay McGavren
Zelda II-The Adventure of Link
- AAUOLIAL
- Mega jump
- Unknown author
|
