Cheat codes for Astyanax – Nintendo (NES)

Invincibility: At the title screen, press Up, Up, Up, Up, Down, Left Right, Up, then press start.

Level / Stage Select: At the title screen, press Up, Down, Left, Right, B, B, B, B, then press start. Use the select button to choose a stage and press A to start the stage.

Continue after game over: At the game over screen, hold down A, B and select and press start.

Cheat codes for Teenage Mutant Ninja Turtles IV – Turtles in Time – Super Nintendo (SNES)

10 Lives – On the title screen, highlight Options and press Up, Up, Down, Down, Left, Right, Left, Right, B, A on controller 2 and press start on controller 1.

Theme song remix – Enter the options menu from the title screen, select the song STAFF in the sound test, start the song by pressing B and then repeatedly tap Y for a remix of the song

Cheat codes for Dragon’s Curse – TurboGrafX 16

Ultimate Passwords:
3YHURYW7Y7LL8C – Start game at beginning with Max.Gold(983,040)/All Equipment/Full Health(8 Hearts)/Max.Stones(99)/All Items/Hawk-Man Status

3YHURYW7Y7LRBW – Start game at beginning with Max.Gold(983,040)/All Equipment/Full Health(8 Hearts)/Max.Stones(99)/All Items/Lizard-Man Status

3YHURYW7Y7LM80 – Start game at beginning with Max.Gold(983,040)/All Equipment/Full Health(8 Hearts)/Max.Stones(99)/All Items/Mouse-Man Status

3YHURYW7Y7LN84 – Start game at beginning with Max.Gold(983,040)/All Equipment/Full Health(8 Hearts)/Max.Stones(99)/All Items/Piranha-Man Status

3YHURYW7Y7LK88 – Start game at beginning with Max.Gold(983,040)/All Equipment/Full Health(8 Hearts)/Max.Stones(99)/All Items/Tiger-Man Status

NODEGOSOOOOOOO – Start as HU-MAN

RMAYTJEOPHALUP – Doors don’t have sound effect.

Change Characters at any time – Equip the Tasmanian Sword, press and hold select, press and hold I, and press II while in mid air from the jump.

Cheat codes for Abadox – Nintendo (NES)

Invincibility – At the “Press Start” screen press A, A, UP, B, B, DOWN, A, B, START

View Ending / Credits – At the “Press Start” screen press A, A, UP, B, B, DOWN, A, B, B, START

Stage Select – At the “Press Start” screen press LEFT UP RIGHT DOWN UP RIGHT LEFT DOWN then press the following for the stage you want:
Stage 2: UP
Stage 3: LEFT
Stage 4: DOWN
Stage 5: RIGHT
Stage 6: SELECT
Stage 7: B

Cheat codes for Golden Axe – Sega Genesis

Stage Select – Choose arcade mode, at the character selection screen, while holding down/left and B press start and you should see the stage select number appear on the upper left hand corner of the screen, use up and down to select a stage, select your character and press start.

9 Credits / Continues – Choose arcade mode, at the character select screen, while holding down/left A and C, press start. Select a character and press start.

Cheat codes for Super Valis IV – Super Nintendo (SNES)

Play as Yuko – While holding L and R on controller 1, reset the game and continue to hold down L and R until the game starts.

Easy Mode – On the Start Game and Options selection screen, select options and press LEFT, LEFT, RIGHT, RIGHT, B, B, Y, Y and then enter options and you can now select EASY MODE.

Level / Stage Select – Wait for PUSH START BUTTON to appear on the title screen then press UP, DOWN, LEFT, RIGHT, UP, DOWN, LEFT, RIGHT, UP, DOWN, LEFT, RIGHT, SELECT, SELECT, Y, B, START.

Cheat codes for Castlevania III – Nintendo (NES)

10 Lives – Enter “HELP ME” as your name (without quotes)

Expert Mode – Enter “AKAMA” as your name (without quotes)

Start with Alucard – Enter “OKUDA” as your name (without quotes)

Start with Syfa – Enter “URATA” as your name (without quotes)

Start with Grant – Enter “FUJIMOTO” as your name (without quotes)

Sound test – At the title screen, hold A, B and press start.