Strider

1. ZAUXEYPE More energy from small capsules (10)
2. GPUXXNZA More energy from big capsules (20)
3. ZAUXKYPE Health from small capsules (10)
4. GPUXVNZA Health from big capsules (20)
5. ZAEXVNAO Double health and energy from all capsules

Street Fighter 2010: The Final Fight

1. AAEETAGA Start with 1 life
2. PAEETAGE Start with 9 lives
3. SZUATPVG Infinite lives
4. AEUIPGZA Become invincible!
5. PEUIPGZA Take less damage
6. LEUIPGZA Take more damage
7. GZOAZPSA Keep power-ups after losing a life
8. AEKIYGZA Keep power-ups when hit
9. ZESESPPA Faster Ken

Street Cop

1. TAOVTXPA Less time on the timer
2. ZPOVTXPA More time on the timer
3. SZSNTAVG Stop timer
4. GXESTZST Immune to damage
5. AONGNAAU Start with less energy
6. AVNGNAAL Start with more energy
7. PAXTPPAA Start at level 2
8. ZAXTPPAA Start at level 3
9. LAXTPPAA Start at level 4
10. OVESTZSV + PEESYZAP Take minimum damage

Stinger

1. GZNGNLSP Keep weapons after death
2. PAXKPGLA Start with 1 life
3. TAXKPGLA Start with 6 lives
4. PAXKPGLE Start with 9 lives
5. OZVKKLVS Infinite lives
6. YGNGAKTL + PAVKTGAP Start with Dual Cannons
7. YGNGAKTL + ZAVKTGAP Start with Laser
8. YGNGAKTL + GAVKTGAP Start with Shoot Right
9. YGNGAKTL + AAVKTGAO Start with Shoot Left
10. YGNGAKTL + APVKTGAP Start with Five Direction Firing
11. YGNGAKTL + AZVKTGAP Start with Three Direction Firing
12. YGNGAKTL + AGVKTGAP Start with Force field
---For the last five codes, you must wait for the "demonstration game"
to start by itself before pressing "Start". The display will read "Stage 1," but each code does warp you to the correct stage
13. GZOGIGSA + PAEGPLPA Start at stage 2
14. GZOGIGSA + ZAEGPLPA Start at stage 3
15. GZOGIGSA + LAEGPLPA Start at stage 4
16. GZOGIGSA + GAEGPLPA Start at stage 5
17. GZOGIGSA + IAEGPLPA Start at stage 6

Stealth ATF

1. SZVZSSVK Infinite missiles
2. AOUXXEAA Start with double missiles
3. SZVPXNVV No damage taken from enemy's bullets
4. AVUXNAVP Start with less fuel
5. AEKZZLZE More enemy planes on the screen

Star Wars

1. AAXAGAZA Start with 1 life
2. IAXAGAZA Start with 6 lives
3. AAXAGAZE Start with 9 lives
4. SZEAYXVK Infinite lives
5. GZSYLSSO Immune to spikes, you can get stuck on them
6. SLVUYNSO Immune to most bullets
7. AAKLNGZA Full energy on big energy pick-ups
8. AAKLUGAX Less energy on big energy pick-ups
9. AGKLUGAZ More energy on big energy pick-ups
10. ZEOKOIPA + ZEKKXIPA Always running
11. GXNUZIST + SLKLYVSO Immune to most collisions

Star Voyager

1. GZSZSTVG Infinite life support pods
2. GPKIASZA Start with double life support pods
3. TPKIASZE Start with triple life support pods
4. AASLSLLA Barrier won't take damage
5. AOKLVLEI Radar won't take damage
6. ENXLXLEI Cannon won't take damage
7. AAXUXLLA Engine won't take damage

Star Tropics 2: Zoda's Revenge

1. PAVTTZLA Start with 1 life - only work on first life, battle mode
2. TAVTTZLA Start with 6 lives - only work on first life, battle mode
3. PAVTTZLE Start with 9 lives - only work on first life, battle mode
4. SXKVPKVK Infinite lives
5. SLUZTSVS Infinite weapons
6. ZAUXKAPA Walk faster--battle mode
7. PAUXKAAA Jump faster and further--battle mode
8. AVKULAAG Throw Tink's axe further
9. PASZPTIA + PASZITIA 1 star gives energy

---The last three codes can't be combined

10. OYUUAAPG Throw Tink's axe faster
11. LGUUAAPG Tink's axe splits into 3 little ones when thrown
12. UYUUAAOY Throw Tink's splitting-axe faster

Star Tropics

1. SXETAKVK Infinite lives
2. PASTYZLA 1 life with a new character
3. TASTYZLA 6 lives with a new character
4. PAUTGILA 1 life after continue
5. TAUTGILA 6 lives after continue
6. SUXXPSVS Infinite weapons
7. ZUVLZEPP Gain 50 fire weapons on pick-up
8. ZUSUYETP Gain 50 bat weapons on pick-up
9. IEUZZNGA Only 3 hearts needed to use shooting-star
10. AEOZPYTO Only 8 hearts needed to use super-nova
12. SZNZGPAX + VZVZLOSV Infinite energy
13. PEXXYTIA + PEUZLTIA Only 1 star needed to restore energy
14. PEXXYTIE + PEUZLTIE 9 stars needed to restore energy

Star Trek 25th Anniversary

1. LEOOVGYE Kirk has more energy
2. GEOOVGYA Kirk has less energy
3. LAUXYAYE McCoy has more energy
4. GAUXYAYA McCoy has less energy
5. LAUZTAYE Spock has more energy
6. GAUZTAYA Spock has less energy
7. LAVZLAYE Security has more energy
8. LAKXAAYE Geologist has more energy
9. GAKXAAYA Geologist has less energy
10. LASXZAYE Biologist has more energy
11. GASXZAYA Biologist has less energy
12. LASZPAYE Historian has more energy
13. GASZPAYA Historian has less energy
14. YEKUYPGA McCoy gives full energy to injured party

Star Trek: The Next Generation

1. OUXTPYOP All systems are immune to damage--shields down
2. SXUVTNSE Shields are immune to damage--shields up
3. AGKVTTEP Quicker damage repair
4. APKVTTEP Very quick damage repair
5. EGKVTTEP Slower damage repair
6. ZKNVLEZE Enemy does less damage
7. ATETISVT Stop game time ticking over
8. AAUZPAGY Photon Torpedoes always work
9. AAEXTPNY Phasers always work
10. AAOXPOKT Phasers fire for longer
11. AAVTZVIL Damage is repaired immediately
12. SXVUSTVG Transporter power does not decrease most of the time
13. IANUXTAZ Less transporter power required most of the time
14. GVNZOZIT Stardate does not advance

Star Soldier

1. SZOEAPVG Infinite lives
2. PEOAPPAA Start with laser
3. GXVPXTVG Infinite shield power
4. ZAOOOYIE + ZENOGLIE Double shield power

Starship Hector

1. SZKIOGVG Infinite lives
2. AANSOGZA Start with 1 life
3. IANSOGZA Start with 6 lives
4. AANSOGZE Start with 9 lives
5. GEVVGIPA Extra energy from capsules
6. PENYGIAA Start at stage 2
7. ZENYGIAA Start at stage 3
8. LENYGIAA Start at stage 4
9. GENYGIAA Start at stage 5
10. OVUYEGSV + PEUYOGTA Take minimum damage

Starforce

1. SZKEVTVG Infinite lives
2. AEUAUIZA Start with 1 life
3. IEUAUIZA Start with 6 lives
4. AEUAUIZE Start with 9 lives
5. VYVEGONN Turbo speed

Squoon

1. AEEAAIPA Infinite lives
2. AEUESLZA Start with 1 life
3. IEUESLZA Start with 6 lives
4. AEUESLZE Start with 9 lives
5. LASEXLPA Start at phase 3
6. IASEXLPA Start at phase 5
7. AASEXLPE Start at phase 8
8. SZEEOSVK Never lose your special weapon
9. ZEOOEYPA Gain main weapon on rescuing 9 humans
10. GXEAKKSE + GXSUZXSE Never lose humans on dying

Spy vs Spy

1. SZVAYUVK Stop black spy's clock
2. SXUELUVK Stop white spy's clock
3. PUEAPLIU Black spy has 100 seconds in a minute
4. PUSAILIU White spy has 100 seconds in a minute
5. ONVZYNUT Black spy has deadly punches
6. IEVZLYIE White spy has deadly punches

Spy Hunter

1. SXKAYOVK Infinite lives
2. SZKUANVK Infinite missiles
3. VXELTVSE Infinite smoke
4. ZEEXKIAA Start with 2 extra lives
5. TEEXKIAA Start with 6 extra lives
6. TEEXLILA Double missiles on pick-up
7. YAEZNIYE Slow down timer
8. GXSAKUSE + GXSANUSE Keep special weapons

Spelunker

1. IXOOPSVK Infinite lives
2. AANATPZA Start with 1 life
3. IANATPZA Start with 6 lives
4. AANATPZE Start with 9 lives
5. AEXAYTAP Become invisible!
6. ATKPAIAZ + TUEEYKNN + GXOAPKIX Become invincible

Solstice

1. SZSESXVK Infinite lives
2. PAKAVIGA Start with 1 life
3. AAKAVIGE Start with 8 lives
4. PAXELPLA 1 life after continue
5. AAXELPLE 8 lives after continue
6. GAOEUIZA Start with full flasks of potions
7. AAOEUIZA Start with no potions
8. SUSPIXVS Never use up potions
9. SXUXYGAX Multi-jumping

Solomon's Key

1. XTKKKEXK Infinite lives
2. GZOXLAAX Indestructible fireball
3. AAXZIALZ Continuous fairies
4. KAXOOEVE Start with 40,000 life points
5. GZUPTOSE Start on last level reached
6. VTUPTOSE Start on next level
7. SZUOPOSE + UPUOLPGA + PAUPIPAE Start on level 10
8. SZUOPOSE + UPUOLPGA + LPUPIPAA Start on level 20
9. SZUOPOSE + UPUOLPGA + IPUPIPAE Start on level 30
10. SZUOPOSE + UPUOLPGA + YZUPIPAA Start on level 40

Solar Jetman

1. PAKSZLGA Only 1 ship and 1 life
2. AAKSZLGE 8 ships and 8 lives
3. SZXONIVG Infinite lives
4. AEXXAVNY Minimum damage taken from walls
5. ZASSTLAA Start on level 3
6. IASSTLAA Start on level 6
7. AASSTLAE Start on level 9
8. ZASSTLAE Start on level 11
9. AASSZLPE Start with more money
10. SVEKOVON Weapons use up no energy
11. UNSPLSLE Reversed gravity for planet 1
12. VTSOZVTO Reversed gravity for planet 2
13. KVOPATGP Reversed gravity for planet 3
14. XNVOTSZE Reversed gravity for planet 4
15. ETXPGTAZ Reversed gravity for planet 5
16. OTUOYVPX Reversed gravity for planet 6
17. UTEOPTLZ Reversed gravity for planet 7
18. AOXOLVEV Normal gravity for planet 8
19. AEXZGVSY + AEXXAVNY No damage taken from walls
20. AEUIOXYA + GXKSOZSA Items for free

Soccer

1. APOOKZIP Each half lasts only 10 minutes
2. AIOOKZIP Each half lasts for 50 minutes!
3. PASLVTAA + KASUOTSA + KASUUVSE Player 1 starts 1 goal up
4. LASLVTAA + KASUOTSA + KASUUVSE Player 1 starts 3 goals up

Snow Brothers

1. SXNEUYVI Infinite number of chances
2. PAXXPLZE Start game with 10 chances instead of 3 (count starts at 9 instead of 2)
3. AAXXPLZA Start game with 1 chance (count starts at 0)
4. PAOAYLZE Always get 10 chances after a continue (count restarts at 9)
5. AAOAYLZA Always get 1 chance after a continue (count restarts at 0)
6. OUOOGEOO Don't lose super ability after you lose a chance
7. YAEEYAAE Start with Speed Skates, Power Shots and super snow-throwing

---Don't use the last three codes together.
8. PAEEYAAA Start with Speed Skates
9. ZAEEYAAA Start with Power Shots
10. GAEEYAAA Start with super snow-throwing ability

Snake Rattle 'N Roll

1. SXEYOZVG Freeze timer
2. AGNNVXTT Faster timer
3. EPNNVXTT Slower timer
4. AEXAYZZA 1 life, both players
5. IEXAYZZA 6 lives, both players
6. AEXAYZZE 9 lives, both players
7. AEUAETZA 1 life, both players, after continue
8. IEUAETZA 6 lives, both players, after continue
9. AEUAETZE 9 lives, both players, after continue
10. PEUEGXNY Start at level 2
11. ZEUEGXNY Start at level 3
12. LEUEGXNY Start at level 4
13. GEUEGXNY Start at level 5
14. IEUEGXNY Start at level 6
15. TEUEGXNY Start at level 7
16. SLOUSVVS Infinite lives, both players
17. ZAXOSGPA Super jump
18. LAXOSGPA Mega-jump

Snake's Revenge

1. AXXVGYAG Start with half bullets for Beretta M92
2. EEXVGYAG Start with double bullets for Beretta M92
3. SZEEOUSE Infinite Beretta ammo
4. SXOASKSE Infinite Shotgun ammo
5. SZKAKKSE Infinite Grenades
6. SXVEOKSE Infinite Missiles
7. XTNTZVEE Infinite ammo for all weapons
8. SXKVKASA Infinite energy
9. AEUVOAYA Reduce your injuries by up to 50%
10. XVUYTUZE + XTKZXKZE Play with less energy
11. ZEOVAYPA + XKXVTYEG Start with Machine Gun instead of Beretta
12. GEOVAYPA + KKXVTYEG Start with Shotgun instead of Beretta
13. AXOVAYPA + VKXVTYEG Start with Grenades instead of Beretta
14. EEOVAYPA + EKXVTYEK Start with Missiles instead of Beretta

Smash T.V.

1. UIVYGXVS Infinite lives
2. OPNXVTTE Get a lot more grenades
3. OXXUUYVS Infinite grenades
4. EAOZPZEY Touch and kill most enemies

Slalom

1. PAOULZAA Ski super fast!
2. AAEPLIPA No track obstacles
3. XZXPATVZ + PAXPPVPN Timer at 5 minutes for all tracks

Sky Shark

1. OZNEAAVS Infinite lives
2. GXUEALVI Infinite bombs
3. GZNEIOVS Infinite credits
4. GZXATEOZ Start with 1 life--player 1
5. AAUALAGA Start with 1 life--player 2
6. AAUALAGE Start with 9 lives--player 2
7. AAEELOGI Autofire
8. TAVPSTLA Double bombs
9. TAUAYALA Double credits
10. AANEZPGA 1 life after continue--both players
11. AANEZPGE 9 lives after continue--both players
12. TAXEZAXZ + PZXELENY Start with 9 lives--player 1
13. EZXAPPKZ + TAXAZOIL Start with maximum firepower

Sky Kid

1. SXEKGZVI Infinite lives
2. PANYNZLA Start with 1 life--both players
3. TANYNZLA Start with 6 lives--both players
4. PANYNZLE Start with 9 lives--both players
5. VANNVZSA Player 1 has more lives than player 2
6. AAOKIZPA Shoot more bullets
7. IAVNNZPA + GAVNUZAA Start at level 5
8. ZAVNNZPE + PAVNUZAE Start at level 10
9. APVNNZPA + YAVNUZAE Start at level 15
10. GPVNNZPA + LPVNUZAA Start at level 20

Skull and Crossbones

1. SZNOTNVK Infinite continues
2. PEXPTYIA 1 continue
3. PEXPTYIE 9 continues
4. SUOEIVVS Infinite weapons
5. SZONGXVK Stop timer
6. AZONAXGL Faster timer
7. AYONAXGL Slower timer
8. POVPLYZU + POEPZYZU Half energy for Red Dog and One Eye
9. LVVPLYZL + POEPZYZU Double energy for Red Dog and One Eye
10. EUVEYNEK + EUVAGNEK Better super jump