G:Super Mario World

C:Switch F/X On To Activate Infinite P-Switch Time|7E14ADFF|Aether Knight|
C:Lives Modifier|7E0DB40?<BR>7E0DBE0X|macrox|
C:Mario Status Modifier|7E00190?|macrox|0 - Small<BR>1 - Big<BR>2 - Caped<BR>3 - Fire<BR>4 - Suntanned and little<BR>5 - Green and little<BR>6 - Black and little<BR>7 - Blue and little
C:Timer Always 999 Sec.|7E0F3009<BR>7E0F3109<BR>7E0F3209<BR>7E0F3309|macrox|
C:Extra Item Window Modifier|7E0DC10?|macrox|00 - Empty<BR>01 - Mushroon<BR>02 - Fire<BR>03 - Star<BR>04 - Feather<BR>05 - Blue mushroom but drops extra lives<BR>06 - Grows vines<BR>07 - Firework confetti<BR>08 - Bars?
C:Timer Goes Real Fast|7E0F3099|macrox|
C:Number of Stars Modifier (Player 1)|7E0F48??|macrox|Must toggle off to acquire more at goal post.
C:Number of Stars Star Modifier (Player 2)|7E0F49??|Aether Knight|
C:Always Go To Bonus Level|7E1F1F00|macrox|Reset game when done.
C:Infinite P-Balloon Time|7E1891FF|Aether Knight|
C:Collect 1 Yoshi Coin For 1-UP|7E142005|Aether Knight|
C:Switch F/X On To Levitate|7E007DF0|Aether Knight|Switch f/x off after you complete one of the seven castle levels or else the Mario carrying the egg from the castle sequence might not play out right. You may have to switch f/x off at other points in the game to prevent freezing.
C:Mario/Luigi Only Face Left|7E007600|Aether Knight|
C:Mario/Luigi Only Face Right|7E007601|Aether Knight|
C:Mario/Luigi Are Invisible|7E00787F|Aether Knight|
C:Glide Walk|7E149602|macrox|turn off code to proceed to next level|
C:Always Be At Level 1 Yoshi's Island|7E13D501|macrox|
C:Infinite Coins|7E0DBF63|Koronix|
C:Can't Jump|7E0DAA80|Koronix|
C:Start 1 Player Game As Luigi|7E0DB301|Aether Knight|
C:FAKE Infinite Time|7E0F2509<BR>7E0F2609<BR>7E0F2709|Koronix|
C:Yoshi Coin Modifier|7E1422??|Koronix|
C:Score Modifier (Player 1)|7E0F34??<BR>7E0F35??<BR>7E0F36??|Koronix|
C:Score Modifier (Player 2)|7E0F39??|Aether Knight|
C:Halfway Point Always Crossed|7E13CE01|Koronix|
C:Duck When Jumping|7E007304|Koronix|
C:Mario Animation Modifier|7E13E0??|Koronix|
C:Jump Animation Modifier|7E0072??|Koronix|
C:Can't Get On Yoshi|7E00CA00|Koronix|
C:Always Have Yoshi|7E0DC101|Koronix|
C:Mega Jump/Float|7E0DAA00|Pika98765|Hold B to jump way up. Keep it held to float around as if you had the balloon thingie! This is a sweet code!
C:Keep Gaining Star Points After Level (Turn off to stop)|7E190002|HyperHacker|
C:Invincible (Star Effect)|7E1490FF|Aether Knight|
C:Invincibility (Uneffected)|7E1497FF|HyperHacker|This code makes Mario a ghost as if he'd just been hit. He won't flash but he can go through enemies.
C:Jump And You'll Automatically Fly (No Need To Run Anymore, Assuming You Have A Cape!)|7E13E470|MegamanX|Also, while flying, press and hold the jump button to make Mario or Luigi grab his cape.<br><br>This code works on the stand alone Super Mario World game and on the Super Mario Collection game
C:Enable Special Stages Extra Features|7E1F9283|MegamanX|You usually get this after completing the last of the Special stages.  Features included:<br><br>-Koopas will have "Mario head" shells, <br>-Piranha Plants will become pumpkin plants<br>-overworld map will have a different color<br><br>Turn the code ON before going on the overworld map for the first time after starting the game. 

T:Miscellaneous Codes

C:Start With 99 Lives|009E2562
C:Mario Has A Halo On The Map Screen, F1 Lives, And The Game Is Over When You Die Once|009E2596
C:Mario Has A Halo On Map|009E25E6
C:Time Doesn't Countdown|008E2888
C:Time Never Runs Out|008E2899
C:Infinite Time|008E28AD
C:Super-Fast Clock|008E28CC
C:Start As Red Spasms Mario|009E3585
C:Start As Super Mario|009E35E6
C:Start Button Has No Effect|00A223A9
C:Start And Select Button Combo Makes The Game Pause Forever|00A273A9
C:Whenever You Land Hard On The Ground Via The Cape, You Die|00A2C3A9
C:At The Beginning of A Level You Go To The Yoshi Bonus Stage And  When You Fall The Level Is Beaten!|00A70649
C:Can Repeatedly Hit Some Blocks, Some Coins Don't Disappear When  Collected (Switch Off For Some Special Blocks To Work As Normal)|00BECE6B
C:Keep Powerups When You Fall And Die|00D0B6A9
C:Get More Lives When You Die|00D0D80E
C:Die After Losing One Life|00D0D80F
C:Lose Every Life Except One When You Die|00D0D899
C:Says "Game Over" After Every Life|00D0D8A4
C:Infinite Lives|00D0D8AD
C:Runs Super Fast Without Holding Down Run; Turn Around With Spin Jump|00D6B6FF
C:Run Super Fast One Direction; Hard To Control|00D706FF
C:Floating Mario|00D7A5FF
C:Holding B Allows You To Fly To The Top of The Screen, Sometimes Off  Screen (Good Code But, Can Be A Problem In Caves)|00D7A600
C:Mega-Jump|00D7A601
C:Super Jump|00D7A602
C:Low Jump|00D7A604
C:Bogus Jump|00D7A60F
C:Mario Shakes Repeatedly And If You Hold A Or B And Down You Can Go Through The Floor Sometimes|00D7A67C
C:Fiying Ability|00D7A6A1
C:Skitz Jumps|00D7A6B2
C:Mario Shakes|00D7A6C7
C:Jackhammer Jump|00D7A6DE
C:Wierd Jump (Doesn't Work With A Cape)|00D7A6E0
C:Bunny/Moon Jumps|00D7A6E6
C:To-The-Moon Jump, Flying Helicopter Spin|00D7A6FF
C:Mario Can Only Jump About An Inch High|00DBA629
C:You Can Climb And Fall Just Like The Original Except Much Faster|00DBA6FB
C:Invincibility|00E2D300
C:Low Gravity In Levels Over Water|00E2D303
C:Phony Invincibility|00E2D304
C:No Music|00E2D307
C:Dragon Coins Change Little Mario Into Luigi|00E2D30E
C:Fake Fire Mario (Red Suit, No Fireballs)|00E2D333
C:Black Mario|00E2D350
C:Invisibility|00E2D37E
C:After You Get A Powerup, Mario's Head Will Always Face Left, Even While Walking/Flying/Jumping Right!!|00E3D32B
C:You Can Swim In Every Level|00F2C3A9
C:Extra Life With Every Dragon Coin|00F37F0D
C:Keep Powerups When Hit|00F600A9
C:Keep Powerups When Hit; Invincible Shellless Turtle Drops From Item box If Anything Is In It|00F601A9
C:Instantly Shrink When You Get Hit|00F602A0
C:Glitched Graphics When Shrinking|00F603A9
C:One Hit Kills Even When Large|00F604A9
C:Super Stomp - Run Into Any Enemy From The Side When Small And You Will Be Propelled Upwards And Stomp Them!|00F616A9
C:Shrink/Die Instantly|00F61FA9
C:Shrink When Hit Ultra Fast|00F620A9
C:Regular Nighttime|00F70440
C:No Background|00F70443
C:Nighttime For Pros|00F70444
C:Screen Is Upside Down When You Play|00F7065F
C:Sickening|00F7A424
C:Motionless|00F7A4FF
C:Little Yoshi Grows After Eating Just 1 Enemy|01A2FB01
C:Little Yoshi Doesn't Grow Big|01A3FB0F
C:Always Have Fire Suit|7E001903
C:Item Window Modifier|7E0DC2??|Aether Knight|00 - Nothing<br>01 - Mushroom<br>02 - Fire Flower<br>03 - Starman<br>04 - Feather<br>05 - 1UP Mushroom<br>C2 - Takes Yoshi Into Castle
C:Always Have A Flying Yoshi|7E0DFC10
C:Press Select To Release An Extra Life From The Power-Up Box|7E0DFC20
C:Get 8000 Points From Each Enemy You Stomp|7E169706
C:Get 1-Up From Each Enemy You Stomp|7E169707
C:Every Berry Makes Yoshi lay an egg|7E18D409
C:Every Pink Berry Makes Yoshi Lay A Cloud Egg|7E18D501
C:Extra Life At One Coin|008F2C01<br>008F3701|Most by ?|
C:Extra Life At 50 Coins|008F2C32<br>008F3732 
C:Start As Cape Mario|009E32A9<br>009E3302 <br>009E34EA <br>009E3585 
C:Start As Fire Mario|009E32A9<br>009E3303 <br>009E34EA <br>009E3585 
C:Start As A Red Faced Mario In Need of A Chiropractor|009E32A9<br>009E3304 <br>009E34EA <br>009E3585 
C:Start As Sub-Zero Mario - Grab A Mushroom To Become Invincible|009E32A9<br>009E3309 <br>009E34EA <br>009E3585 
C:Start As Nodding Mario - Grab A Mushroom To Get 1-Up|009E32A9<br>009E3310 <br>009E34EA <br>009E3585 
C:Start As Mario - Grab A Mushroom And It Turns Into A Pirahna Plant|009E32A9<br>009E3323 <br>009E34EA <br>009E3585 
C:Start As Hovercraft Mario, Get Any Item To Become Invincible|009E32A9<br>009E3375 <br>009E34EA <br>009E3585 
C:Start As Hovercraft Mario, Get Any Item To Put A Shelless Turtle In Reserve|009E32A9<br>009E3377 <br>009E34EA <br>009E3585 
C:Start As Hovercraft Mario, Get A Mushroom To Turn It Into A Pirahna Plant And Get A Giant "Bullet Blob" In Reserve|009E32A9<br>009E3379 <br>009E34EA <br>009E3585 
C:Start As Hovercraft Mario, Get A Mushroom To Put A Flying Key In Reserve|009E32A9<br>009E3380 <br>009E34EA <br>009E3585 
C:Start As Hovercraft Mario, Or A Mushroom To Turn Invincible And Get A Football Koopa In Reserve|009E32A9<br>009E34EA <br>009E3585 
C:Start As Hovercraft Mario, Get A Fire Flower To Put A Magic Squished Dinosaur In Reserve Which Will Let You Clear The Round Instantly If Collected|009E32A9<br>009E3383 <br>009E34EA <br>009E3585 
C:Start As Sub-Zero Mario, Get A Fire Flower Or Mushroom To Put A 1-Up Mushroom In Reserve, Use That Or Any Other 1-Up Mushroom To Put A Yoshi In Reserve|009E32A9<br>009E3388 <br>009E34EA <br>009E3585 
C:Start As Mario With A Strange Walk, Get A Mushroom For Yoshi's Thank-You Message|009E32A9<br>009E3389 <br>009E34EA <br>009E3585 
C:Mario Drives Without Benefit of A Car|009E32A9<br>009E33A5 <br>009E34EA <br>009E3585 
C:Start As Mario With An Extremely Strange Walk, Get A Fire Flower To Put A Glitched Ghost In Reserve|009E32A9<br>009E33D0<br>009E34EA <br>009E3585 