Cheats for Alien Syndrome

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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

Configuration menu

On the title screen, press .

Action Replay codes

00C01504

Infinite Health

00C113FF

Infinite Time

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