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Master System
Temporary invincibility
Wait until 272, 267, 232, 222, 171, 161, 131, or 121 is displayed on the counter, then collect the boxes with the question marks from the ships.
Action Replay codes
- 00C05403
- Infinite lives (keeps showing 3)
- 00C07B06
- Infinite time (keeps showing 305)
- 00C07501
- Starts with only one hostage needed to open the exit
- 00C8ED01
- Flame weapon
Game Gear
Attach:GGAlienSyndromeConfigurationMenu.png Δ
Configuration menu
On the title screen, press [1][2][1][2].
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