Super Mario Bros. + Duck Hunt + World Class Track Meet nes (USA)

Max High Score (Hundred Thousands) by Rune

0314:09

Max High Score (Hundreds) by Rune

0317:09

Max High Score (Ones)/Note by Rune

0319:09

Max High Score (Ten Thousands) by Rune

0315:09

Max High Score (Tens) by Rune

0318:09

Max High Score (Thousands) by Rune

0316:09

Always Advance To The Next Round (Miss All Of The Targets To Get The Perfect Bonus) by Cheatmaster

ALSIPLEI

Always Clear The Level In Clay Shooting by megaman_exe

ZAKIPTAA

Always Clear The Level In Duck Hunt/Note by megaman_exe

ZAOKNTAA

Always Get The Perfect Bonus by Cheatmaster

AASIAUZA
ALSIPLEI

Always Hit The Duck In Single-Duck Mode/Note by Cheatmaster

ELXSLZEI

Ducks Fly Away Faster - Game A by rimsky82

EISGNZEY

Ducks Never Fly Away - Game A by rimsky82

IAVKKZVG

Fixes Duck Hunt Selection Palette To Match Super Mario Bros. / 2 by nensondubois

TLXVYZPZ
YPUTAZTZ
YAUTPZIZ

Game D "enabled"/Note by hybrid

GEOKTPLA

Hit Anywhere/Note by nolberto82

AAXSGZSY

Infinite Ammo by Lazy Bastard

00BA:03

Infinite Ammo by Cheatmaster

SZNIPPVG

Replaces Duck Hunt 'Upper-Left Brick' Tile With Unused Super Mario Bros. 2 Star Tile/Note by nensondubois

OYVTIVSZ

Round Modifier by Rune

00C1:??

Can Continue Jumping On A Squished Enemy/Note by Mezmorize

ESUISAEY

Can Continue Jumping On A Squished Enemy (Alt)/Note by Mezmorize

ESXSOAEY

Double Mushroom Enemies Are The Black Beetles by Mezmorize

EIXKLYEY

Enemies And Powerups Can't Move by Mezmorize

EIOTIPEY

Enemies And Powerups Don't Fall; Enemies Can Walk Thru Objects by Mezmorize

ENKISYEI

Enemies Are (Glitchy Looking) Bowsers by Mezmorize

ESNTSAEY

Enemies Are (Headless) Bowsers/Note by Mezmorize

EYNOLAEI

Enemies Are Bullet Bill by Mezmorize

ENKTEAEI

Enemies Are Powerups/Note by Mezmorize

ANEISAEI

Enemies Are Toad by Mezmorize

ENUTKAEI

Enemies Are Upside Down by Mezmorize

ENVVOAEI

Enemies Are Upside Down (Alt) by Mezmorize

EIVTNZEY

Enemies Can't Move by Mezmorize

ASNKSAEI

Enemies Don't Die When You Jump On Them & Enemies Can Walk Thru Objects & Powerups Fall Down Fast by Mezmorize

EYNTGAEI

Enemies Don't Die When You Jump On Them And Powerups Don't Fall by Mezmorize

ENVIOYEI

Enemies Fall Through The Floor by Mezmorize

ENEKEZEI

Enemies Fall Thru The Floor And Powerups Don't Fall by Mezmorize

EYNKSZEI

Enemies That Fall From One Platform To A Lower One Die by Mezmorize

ENEVTAEI

Invulnerability (Alt) by Mezmorize

EYOIVPEI

Jumping On An Enemy Gives You Points, But Does Not Kill Them by Mezmorize

ESETGAEY

Jumping On Enemies Are Worth 1000 Points by Mezmorize

ENOIKPEI

Jumping On Enemies Causes Them To Instantly Disappear by Mezmorize

ENVKSZEI

Less Enemies by Mezmorize

ENOGAPEI

Mushroom Enemies Are Black Beetles/Note by Mezmorize

VENEAXSE

Mushroom Enemies Are Black Beetles (Alt) by Mezmorize

AAEGIZZA
AAXKGYZA

Mushroom Enemies Are Super Fast by Mezmorize

EYKKALEI

No Enemies by Mezmorize

EYKKLPEI

No Enemies (Alt) by Mezmorize

ESVGLPEY

Pipes You Can't Go Down Contain Piranha Plants/Note by Mezmorize

AENOOELZ

Single Mushroom Enemies Are The Black Beetles by Mezmorize

EIEGGZEY

Squished Enemies Can Get Back Up by Mezmorize

ENNGUZEI

Squished Mushrooms Can Be Kicked Like Turtle Shells/Note by Mezmorize

ANSIOAEY

Turtles Are Toad by Mezmorize

EYOTEZEI

You Die If You're Hit Once (Alt) by Mezmorize

EIUIKPEY

Display unused Super Mario Bros. 2 Lost levels tiles at game select menu/Note by nensondubois

YPSTLGPA

Fixes Duck Hunt selection palette to match Super Mario Bros. / 2 by nensondubois

TLXVYZPZ
YPUTAZTZ
YAUTPZIZ

Fixes World Class Track Meet selection palette to match Super Mario Bros. / 2 by nensondubois

TLUTLZYL
YPUTGXZZ
YAUTIZPZ

Replaces Duck Hunt 'upper-left brick' tile with unused Super Mario Bros. 2 star tile/Note by nensondubois

OYVTIVSZ

Replaces Duck Hunt 'upper-left brick' tile with unused Super Mario Bros. 2 tile./Note by nensondubois

E665:??:AD

Enemies Die When They Touch You/Note by Mezmorize

ESESSAEY

Invincibility (Enemies Die On Contact)/Note by Mezmorize

AEESVATA

Invulnerability (Walk Through Enemies) by Mezmorize

EYXSNPEI

Invulnerability (Walk Thru Enemies)/Note by Mezmorize

ENOSSAEI

Walk Thru Enemies And Powerups/Note by Mezmorize

EYVIEAEI

Walk Thru Enemies And Powerups (Alt) by Mezmorize

EYVVTZEI

You Die If You're Hit Once by Mezmorize

AIUIKPEY

You Never Die When Hit/Note by Mezmorize

AYUIKPEY

Max High Score (Billions) by Radical Hacker

07D8:09

Max High Score (Hundreds) by Radical Hacker

07DB:09

Max High Score (Millions) by Radical Hacker

07D9:09

Max High Score (Tens) by Radical Hacker

07DC:0?

Max High Score (Thousands) by Radical Hacker

07DA:09

Max High Score (Trillions) by Radical Hacker

07D7:09

Disable Audio by Mezmorize

ENSYLZEI

Song Modifier by Mezmorize

F6D5?00:??
F6D9?85:84

Theme Song Sounds Remixed by Mezmorize

AESYITAE

All ? Boxes Give 1ups by Mezmorize

ESNUUIEY

Automatically Shoot Fireballs (Unless holding B)/Note by Mezmorize

EIXUYTEY

Can Always Shoot Fireballs/Note by Mezmorize

AAXUZTLG

Can't Powerup From Little Mario/Note by Mezmorize

AAXIKELP

Don't Flash Colors When Getting Firepower/Note by Mezmorize

SXOLLXSE

Fireballs Don't Bounce by Mezmorize

ENSVTPEI

Fireballs You Throw Cycle Back To Other Side Of Screen/Note by Mezmorize

ANVLTTEI

Invincibility Star Does Not Bounce, Firepower Plant Moves Like Mushroom Powerups by Mezmorize

ESOUUGEY

Invincibility Star Moves Horizontally by Mezmorize

EINTGPEY

Invincibility Star Stay's Put by Mezmorize

ENOUNGEI

Invincibility Stars Give Extra Live Instead/Note by Mezmorize

EIOIKAEY

Mushroom Powerups Don't Travel by Mezmorize

AEOUEGPP

Mushroom Powerups Give Temporary Invincibility Instead/Note by Mezmorize

AAOIOETA

Mushrooms Give 1ups Instead/Note by Mezmorize

IPXIKELP

Mushrooms Give Firepower/Note by Mezmorize

ZAKIOAPA

Powerups Don't Fall by Mezmorize

ESVSKYEY

Powerups Don't Move by Mezmorize

ENOLUGEI

Powerups Move Slower After Bouncing Off Of An Object by Mezmorize

EYUTIPEI

Shoot 2 Fireballs At Once/Note by Mezmorize

EYULLTEI

Some Powerups Don't Move by Mezmorize

ESOLNGEY

Unpause For 9 Lives/Note by Mezmorize

PEXEGOLX
ZSXETPYN

Unpause For ?? Background Modifier/Note by Mezmorize

81AC?2B:0?
81AE?77:42

Unpause For ?? Music Modifier/Note by Mezmorize

81AC?2B:??
81AE?77:F4
81AF?07:00

Unpause For Firepower/Note by Mezmorize

ZEXEGOLZ
TSXETPYY

Unpause For Hard Mode/Note by Mezmorize

PEXEGOLZ
ZVXETPYN

Unpause For Stage Type Modifier/Note by Mezmorize

81AC?2B:0?
81AE?77:4E

Unpause To Become Big Mario (Visually)/Note by Mezmorize

AEXEGOLZ
GSXETPYY

Unpause To Swim In The Air/Note by Mezmorize

PEXEGOLZ
GEXETPYY

Unpause To Transform Visible Powerup Into ?? Modifier/Note by Mezmorize

81AC?2B:0?
81AE?77:39
81AF?07:00

Fall From The Sky To The Stage Starting Area/Note by Mezmorize

0710:01

Mushroom Enemies Are Black Beetles/Note by Mezmorize

076A:01

Beat World 1-1 And World 1-2 Is An Underwater 'Castle' Stage/Note by Mezmorize

VGOLIUVV

Start On A Glitch World 1/Note by Mezmorize

GXEPYENY
AVEOPAEZ
YEEOZALA

Start On A Glitch World 2/Note by Mezmorize

IXEPYENY
AVEOPAEZ
YEEOZALA

Start On A Glitch World Modifier/Note by Mezmorize

9087?FF:??
9089?A0:60
908A?03:07

Start On World 1-2 by Mezmorize

PEEPYENY
AVEOPAEZ
YEEOZALA
PEXAGIAA
GSXATITS

Start On World 1-3 by Mezmorize

LEEPYENY
AVEOPAEZ
YEEOZALA
ZEXAGIAA
GSXATITS

Start On World 1-4 by Mezmorize

GEEPYENY
AVEOPAEZ
YEEOZALA
LEXAGIAA
GSXATITS

Start On World 2-1 by Mezmorize

PEXAGIAA
YSXATITS

Start On World 2-2/Note by Mezmorize

TEEPYENY
AVEOPAEZ
YEEOZALA

Start On World 2-3/Note by Mezmorize

AEEPYENN
AVEOPAEZ
YEEOZALA

Start On World 2-4/Note by Mezmorize

PEEPYENN
AVEOPAEZ
YEEOZALA

Start On World 3-1 by Mezmorize

ZEXAGIAA
YSXATITS

Start On World 3-2/Note by Mezmorize

LEEPYENN
AVEOPAEZ
YEEOZALA

Start On World 3-3/Note by Mezmorize

GEEPYENN
AVEOPAEZ
YEEOZALA

Start On World 3-4/Note by Mezmorize

IEEPYENN
AVEOPAEZ
YEEOZALA

Start On World 4-1 by Mezmorize

LEXAGIAA
YSXATITS

Start On World 4-2/Note by Mezmorize

YEEPYENN
AVEOPAEZ
YEEOZALA

Start On World 4-3/Note by Mezmorize

POEPYENY
AVEOPAEZ
YEEOZALA

Start On World 4-4/Note by Mezmorize

ZOEPYENY
AVEOPAEZ
YEEOZALA

Start On World 5-1 by Mezmorize

GEXAGIAA
YSXATITS

Start On World 5-2/Note by Mezmorize

GOEPYENY
AVEOPAEZ
YEEOZALA

Start On World 5-3/Note by Mezmorize

IOEPYENY
AVEOPAEZ
YEEOZALA

Start On World 5-4/Note by Mezmorize

TOEPYENY
AVEOPAEZ
YEEOZALA

Start On World 6-1 by Mezmorize

IEXAGIAA
YSXATITS

Start On World 6-2/Note by Mezmorize

AOEPYENN
AVEOPAEZ
YEEOZALA

Start On World 6-3/Note by Mezmorize

POEPYENN
AVEOPAEZ
YEEOZALA

Start On World 6-4/Note by Mezmorize

ZOEPYENN
AVEOPAEZ
YEEOZALA

Start On World 7-1 by Mezmorize

TEXAGIAA
YSXATITS

Start On World 7-2/Note by Mezmorize

GOEPYENN
AVEOPAEZ
YEEOZALA

Start On World 7-3/Note by Mezmorize

TOEPYENN
AVEOPAEZ
YEEOZALA

Start On World 7-4/Note by Mezmorize

YOEPYENN
AVEOPAEZ
YEEOZALA

Start On World 8-1 by Mezmorize

YEXAGIAA
YSXATITS

Start On World 8-2/Note by Mezmorize

PXEPYENY
AVEOPAEZ
YEEOZALA

Start On World 8-3/Note by Mezmorize

ZXEPYENY
AVEOPAEZ
YEEOZALA

Start On World 8-4/Note by Mezmorize

LXEPYENY
AVEOPAEZ
YEEOZALA

All Blocks Give Coins by Mezmorize

EYULOTEI

Always Run/Note by Mezmorize

EYKLLIEI

Always Start From Beginning Of Stage After Death/Note by Mezmorize

AAEOGZZA

Always Swim (Land Or Water)/Note by Mezmorize

AYSPAPEI

Always Walk Slowly/Note by Mezmorize

EIULPIEY

Automatically Jump On Enemies/Note by Mezmorize

ASNSSAEI

Automatically Jump On Enemies (Alt) by Mezmorize

EYOIOPEI

Coins Modifier (Seconds Digit) by Rune

07EE:??

Coins Modifier (Tens Digit) by Rune

07ED:??

Death Takes You Inside Of Pipes (But You Can Get Stuck)/Note by Mezmorize

ENOLZPEI

Demo Mode/Note by Mezmorize

PENEGZAA

Enable Hard Mode/Note by MegamanX

07FC:01

Infinite Lives/Note by Mezmorize

SXSOPOVK

Infinite Time by Parasyte

0787:0C

Infinite Time/Note by Mezmorize

EISLZYEY

Infinite Time (Alt)/Note by Mezmorize

OLNASNOO
EIOSLLEY

Instantly Go Down Pipes/Note by Mezmorize

EYEUTZEI

Invincible (Kill Enemies On Contact) by Viper187

079F:18

Invincible (Walk Through Enemies) by Viper187

079E:06

Jump Normal In Water/Note by Mezmorize

ASSUZGEY

Jump Through Blocks by Mezmorize

ESUINGEY

Jump Through Blocks (Alt) by Mezmorize

AEUSEGPA

Level Text Modifier (i.e. 1-1, 1-2) by Rune

075C:??

Mario Always Moves As If He Has Gotten A Running Start by Gary G.

0700:1C

Mario Modifier/Note by Parasyte, Viper187

0754:00
0756:0?

Play unused Game Over variation everywhere/Note by nensondubois

ZPSNALAA
PZSYYUOX

Section Of Stage To Start At After Death Modifier/Note by Mezmorize

920C?02:00
920E?00:??

Skip Entering Castle After Flagpole/Note by Mezmorize

ENNULZEI

Start With 9 Lives/Note by Mezmorize

AAVOZAZE

Super High Jump/Note by Mezmorize

UOVLIGGX

Swim On Land/Note by Mezmorize

AASPPPPA

Swim On Land (Alt)/Note by Mezmorize

EYSPAPEI

The Very First Pipe In The Game Takes You To World 3-1 by Mezmorize

EIESNYEY

Walk On Air (After Jumping)/Note by Mezmorize

EYESNIEI

Walk On Air After Jumping (Alt)/Note by Mezmorize

ESXIUYEY

Walk Thru Objects (Right Direction) by Mezmorize

ENOSOIEI

Walk Thru Walls, Pipes Etc. by Mezmorize

ESOSNIEY

World Select Enabled/Note by Mezmorize

AANAAXZG

World Select Enabled (Alt)/Note by Mezmorize

EIVEYZEY

Always Have Red Overalls On by Mezmorize

AIEAZTEI

Always Have White Overalls On/Note by Mezmorize

AAEALTZA

Always Have White Overalls On (Alt) by Mezmorize

AYEAZTEI

Black Background Is Blue Sky by Mezmorize

EYOEGTEI

Blocks Turn Invisible After Hitting Them by Mezmorize

ESVLETEY

Breakable Blocks Are Non-Breakable Clouds by Mezmorize

EIUPKZEY

Bubbles Come Out Of Mario/Note by Mezmorize

AANLZTLP

Bubbles Come Out Of Mario (Alt) by Mezmorize

EYNLPTEI

Change Stage Layout by Mezmorize

ENVOLIEI

Clouds, Trees, Fences In Underground Stages; Clear Skys On Stages That Normally Have Clouds, Trees, Fences by Mezmorize

EIOPPGEY

Enemies Look Like Spring Boards by Mezmorize

ENSTNAEI

Fire Flower Looks Like Mushroom Powerup by Mezmorize

EPVUNGEL

Jump Like Your Swimming by Mezmorize

ENNVSYEI

Little Mario Wears Fire Suit, Fire Mario Wears Normal Suit by Mezmorize

EYEAZTEI

No Hills Or Clouds In First Level by Mezmorize

SXOPEKSE

Pipes, Trees, Shrubs and Hills Are Red Instead Of Green by Mezmorize

EYKEATEI

Start Off As Big Mario And Mushrooms Make You Small/Note by Mezmorize

ESOYGAEY

The Ground Is Clouds by Mezmorize

ESEPGGEY

Vines Grow Inside And Outside Pipes After Going Thru Them by Mezmorize

ESOOZPEY