AUTHENTIC RETRO SECRETS & PASSWORDS

Retro Game Cheats, Codes & Passwords

Before internet walkthroughs and digital updates, classic video games hid their greatest secrets behind controller button sequences, developer debug modes, and memory manipulation. Explore our curated vault of 105 verified cheat codes across 43 legendary editions.

Famicom / NES Cheats & Passwords

9 Games
Castlevania III cover1989

Castlevania III: Dracula’s Curse introduces branching path progression and three distinct companion partners to the classic whip-cracking Gothic quest.

Start with 10 Lives:
Name save file HELP ME
Start with Grant Danasty Spirit Partner:
Name save file FU FU
Sound Test Jukebox:
Name save file AKUMAJYO
Castlevania cover1986

Castlevania combines deliberate whip attacks, sub-weapons and dangerous jumps on Simon Belmont’s route to Dracula.

1,000 & 4,000 Point Hidden Money Bags:
Crouch on specific platform edges for 3 seconds
Holy Water Boss Lock Technique:
Throw Holy Water continuously beneath the boss
Contra cover1988

Contra on Famicom combines directional shooting, Spread Gun pickups and side-view and base stages.

30 Lives (The Konami Code):
Up, Up, Down, Down, Left, Right, Left, Right, B, A, Start
Stage Select:
Hold Up + Left + Select + A, then press Start
Sound Test:
Hold A + B, then press Start
Disney’s DuckTales cover1989

DuckTales sends Scrooge McDuck treasure hunting with a cane that doubles as a pogo stick and a tool for moving objects.

Hidden $10,000,000 Secret Ending:
Finish the game with exactly $10,000,000 or $0 in total wealth
Moon Stage Extra Health Capsule:
Pogo jump across the ceiling in the lunar spaceship
Kirby’s Adventure cover1993

Kirby’s Adventure turns swallowed enemies into Copy Abilities, giving the same stage several different approaches.

Unlock Extra Game & Sound Test:
Achieve 100% completion in the Story Mode
Retain the Rare UFO Ability:
Inhale UFO in World 2-4 and World 3-3, avoid losing power
Mega Man 2 cover1988

Mega Man 2 lets you choose eight Robot Master stages and reuse defeated bosses’ weapons in later encounters.

All Bosses Defeated & 4 E-Tanks Password:
A5, B2, B4, C1, C3, C5, D4, D5, E2
Optimal Boss Weakness Order:
Metal → Wood → Air → Crash → Flash → Quick → Bubble → Heat
Super Mario Bros. cover1985

Super Mario Bros. combines running jumps, power-ups and secret routes through eight worlds of platform stages.

Continue After Game Over:
Hold A, then press Start on Title Screen
Infinite 1-Ups (3-1 Koopa Shell Staircase):
Trap a green Koopa shell on the staircase in World 3-1
Minus World (World -1 Endless Water Stage):
Duck-jump backward through the pipe wall at the end of World 1-2
Super Mario Bros. 3 cover1990

Super Mario Bros. 3 adds world maps, stored items and suits that change how Mario crosses each stage.

Warp Whistle 1 (World 1-3):
Duck on the white block for 5 seconds, run behind the black goal curtain
Warp Whistle 2 (World 1 Fortress):
Fly up past the ceiling above the first skeleton door with Raccoon Mario
Infinite Lives (World 1-2 Goomba Pipe):
Stomp Goombas continuously as they emerge from the pipe using the Super Leaf
The Legend of Zelda cover1986

The Legend of Zelda links an explorable overworld with item-filled dungeons, hidden entrances and the Triforce quest.

Unlock the Second Quest Instantly:
Register name as ZELDA
Save Anywhere Without Dying:
Pause with Start, on Controller 2 press Up + A

Super Famicom / SNES Cheats & Passwords

6 Games
Contra III: The Alien Wars cover1992

Contra III: The Alien Wars leverages Mode 7 rotation, dual weapon slots, and devastating screen-clearing bombs against alien invaders.

30 Lives Code:
Down, Down-Left, Left, Down, Down-Left, Left + Select + Start
Stage Select & Sound Test:
Down, Down-Right, Right, Down, Down-Right, Right + Select + Start
Donkey Kong Country 2: Diddy’s Kong Quest cover1995

Donkey Kong Country 2: Diddy’s Kong Quest elevates Rare’s 16-bit platforming with pirate aesthetics, Dixie Kong’s helicopter spin, and the Lost World quest.

50 Extra Lives Code:
On Single Player, press Down, Down, Down, Down, Down, B, A, Right, Right, A, Left, A, X
75 Free Kremkoins Shortcut:
Pirate Panic: Enter K. Rool’s cabin with 0 bananas, backtrack over barrels
Donkey Kong Country cover1994

Donkey Kong Country combines pre-rendered 3D silicon sprites, momentum-driven barrel rolls, and animal buddies across Donkey and Diddy Kong’s quest.

50 Extra Lives:
Highlight Erase Data, press B, A, R, R, A, L
Jungle Hijinx Stage Warp:
Jump over the opening tree trunk and enter the upper-left barrel
Mine Cart Carnage Shortcut:
Jump over the entry barrel and hold Left against the entrance shaft
Super Mario World cover1990

Super Mario World redefines 16-bit platforming with secret keyhole exits, Yoshi companion riding, and the interconnected Star World transit system.

Instant Exit Level Shortcut:
Start, then Select
Infinite Power-ups (Top Secret Area):
Donut Plains 1 Keyhole -> Secret Area
Autumn Special World Palette Swap:
Clear all 8 Special World Stages
Super Metroid cover1994

Super Metroid establishes the non-linear exploration standard with atmospheric planet Zebes caverns, high-mobility beam upgrades, and intricate speed-boosting sequence breaks.

Crystal Flash (Full Energy Recharge):
Health < 50, lay Power Bomb, hold Down + Aim Down + Aim Up + Fire
Spazer + Plasma Murder Beam Glitch:
Highlight Spazer, press Left + A to activate alongside Plasma
The Legend of Zelda: A Link To The Past cover1991

The Legend of Zelda: A Link to the Past establishes the modern adventure blueprint with dual parallel worlds, tight dungeon puzzles, and multi-directional sword combat.

Chris Houlihan Secret Room:
Pegasus Dash south from Sanctuary entrance
Waterfall of Wishing Magic Upgrades:
Toss Boomerang & Shield into Waterfall
Free Full Magic Refills (Bee & Fairy):
Sprinkle Magic Powder on Anti-Faeries

Game Boy Cheats & Passwords

2 Games
Pokémon Blue Version cover1998

Pokémon Blue Version complements Red with exclusive wild encounters, tactical turn-based battle mechanics, and the search for all 151 monsters across Kanto.

MissingNo. & Item Duplication Glitch:
Old Man in Viridian -> Fly to Cinnabar -> Surf right coastline
The Legendary Mew Glitch (Trainer Escape):
Route 7 Gambler / Route 24 Jr Trainer Teleport trick
Bicycle Cutscene Skip / Free Cycling:
Get Bike Voucher from Vermilion Pokémon Fan Club
Pokémon Red Version cover1998

Pokémon Red Version kicked off a global phenomenon with 151 collectible creatures, elemental type matchups, and turn-based trainer battles across Kanto.

MissingNo. & Item Duplication Glitch:
Old Man in Viridian -> Fly to Cinnabar -> Surf right coastline
The Legendary Mew Glitch (Trainer Escape):
Route 7 Gambler / Route 24 Jr Trainer Teleport trick
Bicycle Cutscene Skip / Free Cycling:
Get Bike Voucher from Vermilion Pokémon Fan Club

PlayStation 1 Cheats & Passwords

4 Games
Castlevania: Symphony of the Night cover1997

Castlevania: Symphony of the Night redefines the gothic action genre with non-linear castle exploration, RPG gear progression, and Alucard’s vampiric abilities.

Play as Richter Belmont:
Clear game once, start new game with name: RICHTER
Keep Starting Alucard Equipment:
Unequip gear in first hallway; get knocked past Death by Warg
Reveal the Inverted Castle (200.6% Map):
Equip Holy Glasses, strike green orb above Richter
Crash Bandicoot 2: Cortex Strikes Back cover1997

Crash Bandicoot 2: Cortex Strikes Back refines Naughty Dog’s 3D platforming with the Warp Room hub, slide-jump mechanics, and elusive colored gem secrets.

10 Free Extra Lives in Warp Room 2:
Jump repeatedly on baby Polar Bear in Warp Room 2
Unlock Secret Warp Room 6 Portals:
Find hidden exit teleporters in Bear Down, Air Crash & Un-Bearable
The Secret Blue Gem (Zero Crate Challenge):
Turtle Woods without breaking any crates
Resident Evil 2 cover1998

Resident Evil 2 expands survival horror onto the streets of Raccoon City with dual Zapping scenarios for Leon S. Kennedy and Claire Redfield.

Infinite Ammunition (DualShock / Western Version):
In Key Config, highlight Aim, hold R1 and press Square 10 times
Brad Vickers Zombie & Special Locker Key:
Reach R.P.D. without picking up any items on Normal difficulty
Unlock The 4th Survivor (HUNK):
Complete Scenario A and B with an A Ranking
Tekken 3 cover1998

Tekken 3 revolutionizes 3D fighting on PlayStation with fluid sidestep dodging, grounded juggle physics, and unforgettable roster additions like Jin Kazama and Eddy Gordo.

Unlock Dr. Bosconovitch:
Clear Tekken Force Mode 4 Times
Unlock Gon (Secret Dinosaur Fighter):
Defeat Gon in Tekken Ball Mode
Alternate Outfits for Jin & Xiaoyu:
Press Triangle or Start when selecting character

Arcade Cheats & Passwords

12 Games
Golden Axe cover1989

Golden Axe pairs fantasy melee combat with magic potions and rideable beasts. Compare its three heroes before starting.

Arcade Level Select & 9 Continues:
Hold Down-Left + 2, tap 1 on character select screen
Campfire Magic Potion Farm:
Kick sleeping blue thieves multiple times before they drop items
Metal Slug cover1996

Metal Slug mixes infantry shooting, rescue bonuses and the SV-001 tank across six arcade missions.

Secret POW Hyakutaro Ichimonji (Hadouken Fighter):
Rescue hidden POW tied above the cliff in Mission 4 & 5
SV-001 Suicide Cannon Rush:
Press Jump + Attack simultaneously while holding Down
Metal Slug X cover1999

Metal Slug X revisits Metal Slug 2 with altered enemy placements, extra weapons and revised encounters.

Fat Player Super Transformation:
Consume 16 food items (meat, chicken, fruit) without dying
The Golden Metal Slug SV-001:
Board the golden tank in Mission 3 tunnel
The King of Fighters '95 cover1995

The King of Fighters ’95 adds custom team selection to three-on-three fighting and introduces Iori Yagami.

Play as Bosses (Saisyu Kusanagi & Omega Rugal):
Select Team Edit (Yes), hold Start, enter: Up + B, Right + C, Left + A, Down + D
The King of Fighters '96 cover1996

The King of Fighters ’96 changes the series’ movement with emergency rolls and more varied jump heights.

Play as Bosses (Chizuru Kagura & Goenitz):
Select Team Edit, hold Start, press: Up + B, Right + C, Left + A, Down + D
The King of Fighters '98 cover1998

The King of Fighters ’98 brings back a broad roster for a dream match with Advanced and Extra playing styles.

Select EX Alternative Move Sets:
Hold Start while picking Kyo, Terry, Andy, Joe, Ryo, Robert, Yuri, or Mai
Unlock Omega Rugal (Arcade Boss):
Hold Start while selecting Rugal Bernstein
Metal Slug 3 cover2000

Metal Slug 3 pushes Neo Geo hardware to its peak with multi-branching missions, diverse vehicle slugs, and memorable zombie transformations.

Mission Select (Arcade Service Mode):
Enable Dipswitch 1-2 / Soft Dip Option
Secret Elephant Battery Route (Mission 2):
Take Lower Cave Path in Zombie Valley
Street Fighter Alpha 2 cover1996

Street Fighter Alpha 2 introduces the flexible Custom Combo system, Alpha Counters, and expanded rosters to Capcom’s premier 2D fighting engine.

Play as Shin Akuma:
Highlight Akuma, tap Start 5 times, press Punch + Kick
Play as Evil Ryu:
Highlight Ryu, tap Start twice, confirm with Punch
Classic Chun-Li Outfit & Fireball:
Highlight Chun-Li, hold Start for 5 seconds, press any button
Street Fighter Alpha 3 cover1998

Street Fighter Alpha 3 perfects Capcom’s 2D fighting legacy with three distinct ISM fighting styles, air blocking, and an expansive roster of world warriors.

Play as Guile (Arcade Secret Code):
Highlight Karin, wait 3 seconds, move to Random, hold Start and press any button
Play as Evil Ryu:
Highlight Ryu, wait 1 second, move to Random, hold Start and press any button
Play as Shin Akuma:
Highlight Akuma, wait 1 second, move to Random, hold Start and press any button
The King of Fighters 2002 cover2002

The King of Fighters 2002 delivers lightning-fast competitive 3v3 action, celebrated for its MAX Mode cancel engine and polished dream match balance.

Select Kusanagi (Classic Kyo Clone):
On Kyo: Up, Down, Right, Left, Down, Up, Left, Right
Select Orochi Team (Awakened New Faces):
Highlight Yashiro, Shermie, or Chris, and hold Start
Select Omega Rugal (Boss Unlock):
Arcade operator dipswitch / Console cursor above Yashiro
The King of Fighters '97 cover1997

The King of Fighters ’97 offers Advanced and Extra styles, changing how your team moves and uses its power gauge.

Unlock Orochi Iori:
Hold Start, press Left, Right, Left, Right, Left, Right + A + C
Unlock Orochi Leona:
Hold Start, press Up, Down, Up, Down, Up, Down + B + D
Unlock Awakened Orochi Team (Chris, Shermie, Yashiro):
Hold Start, press Up, Left, Down, Right, Up, Down + B + C

Master System Cheats & Passwords

1 Game
Sonic The Hedgehog cover1991

Sonic The Hedgehog on Sega Master System is a distinct 8-bit adventure crafted specifically for 8-bit hardware with unique zones, exploration puzzles, and hidden Chaos Emeralds.

Stage Select & Sound Test:
Up, Down, Left, Right, Hold 1 + 2, then press Start
Hidden Chaos Emerald in Green Hill Act 2:
Leap from upper loop spring to high secret ledge

DOS Cheats & Passwords

7 Games
Doom cover1995

Doom

DOSfirst person shooter
Full Dossier & Controls →

Doom combines fast first-person combat with coloured keys, secret rooms and carefully managed health and ammunition.

Invulnerability (God Mode):
IDDQD
All Weapons, Keys & Ammo:
IDKFA
No Clipping Mode (Walk Through Walls):
IDSPISPOPD
Full Automap & Monster Tracking:
IDDT
Doom II: Hell On Earth cover1994

Doom II adds the Super Shotgun and new enemy types to classic Doom’s fast combat and maze-like level exploration.

God Mode (Degreelessness Mode):
IDDQD
All Weapons, Keys & Full Ammunition:
IDKFA
No Clipping (Walk Through Walls):
IDCLIP
Level Warp (Stages 01 - 32):
IDCLEV## (e.g. IDCLEV31 for secret Wolfenstein stage)
Prince of Persia cover1989

Prince of Persia turns careful steps, running jumps, ledge grabs and sword duels into a timed escape.

Developer Debug Shortcuts (Megahit Mode):
Start game with "prince megahit", press Shift + L, Shift + T, or Shift + K
Quake cover1996

Quake

DOSfirst person shooter
Full Dossier & Controls →

Quake combines fully 3D levels, vertical combat and projectile weapons across a sequence of dark single-player episodes.

God Mode (Invulnerability):
Press ~ then type god
All Weapons & Full Ammunition:
Press ~ then type give all
No Clipping Mode (Pass Through Walls):
Press ~ then type noclip
SimCity cover1989

SimCity lets you zone land, connect power and transport, and balance a growing city’s budget and services.

$10,000 Emergency Treasury Grant:
Type funds in the budget / disaster menu
WarCraft II: Tides of Darkness cover1995

Warcraft II combines base building and army control with naval warfare, oil resources and an expanding fog of war.

10,000 Gold, 5,000 Lumber & 5,000 Oil:
Press Enter, type glittering prizes, press Enter
Invulnerability & God Mode:
Press Enter, type it is a good day to die, press Enter
Reveal the Full Map (Clear Fog of War):
Press Enter, type on screen, press Enter
Instant Construction & Unit Training:
Press Enter, type make it so, press Enter
Wolfenstein 3D cover1992

Wolfenstein 3D centres on corridor navigation, keys, ammunition and hidden rooms behind movable wall sections.

Full Health, Ammo & Both Keycards:
Hold M + L + I simultaneously during gameplay

Retro Gaming Cheat Codes: A Brief History

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Why do old games have cheat codes?

During the 8-bit and 16-bit console eras, cartridges contained limited read-only memory (ROM). Video game testers had no save states or rewind tools to inspect late-game stages. Developers like Kazuhisa Hashimoto (creator of the Konami Code for Gradius on NES in 1985) programmed quick controller bypasses so QA engineers could test final bosses with 30 lives or full armaments without restarting from World 1.

Passwords vs. Battery Backup Saves

Before battery-backed SRAM became standard in home cartridges, developers designed complex alphanumeric password systems (such as in Metroid, Mega Man, or Castlevania). These password algorithms mathematically encoded stage progression, weapon inventories, and health stats into strings of letters and numbers that players could copy down in notebooks.

How to enter codes in our browser emulator

Our in-browser players map classic gamepads directly to your computer keyboard or plugged-in USB controller. For example, on NES titles, directional inputs correspond to your Arrow keys, Button B maps to Key X, and Button A maps to Key Z. Click directly inside the game screen before entering sequences to ensure your keyboard focus is captured.