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Master System
Invincibility
Press [U]+[R]+[1] on the title screen.
Button presses are replaced by images, when represented in the code by [U] [D] [L] [R] [1] [2] [Start] [Pause] [Reset]. '+' implies that the buttons are pressed and held in the order written.
Infinite lives
Hold [1]+[2] on controller 2 and press [D],[U]x20,[D] on controller 1.
State the controller number where necessary; if not mentioned, controller 1 is assumed. Multiple presses are represented as shown, using commas to make it clearer.
Action Replay codes
- 00123456
- Infinite time
- 00789ABC
- Infinite ammo
Use this definition list formatting for these codes. Codes should be as shown - no spaces or punctuation.
Game Gear
Sound Test
Press [U][D][L][R][2][1][Start] on the title screen.
Sequential button presses (without holding the button down) are shown by simply listing the buttons.
Game Genie codes
- 012 345 678
- Start with 10 lives
Same formatting as Action Replay codes, but this time spaces should be used.
Here is the basic template, in raw form without comments:
!!Master System
!!!Invincibility
Press [U]+[R]+[1] on the title screen.
!!!Infinite lives
Hold [1]+[2] on controller 2 and press [D],[U]x20,[D] on controller 1.
!!!Action Replay codes
:00123456:Infinite time
:00789ABC:Infinite ammo
!!Game Gear
!!!Sound Test
Press [U][D][L][R][2][1][Start] on the title screen.
!!!Game Genie codes
:012 345 678:Start with 10 lives
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