Sega Classics Collection Cheats

Sega Classics Collection cheats, and Codes for PS2.

Cheats

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Unlock Additional Game Modes in Alien Syndrome
To unlock Time Attack mode in Alien Syndrome, play and complete the Story game.

To unlock the Retro difficulty level, complete Story on Easy and Medium skill levels. Retro makes you rescue all trapped people in a level before you can exit to the boss.
Unlock Additional Game Modes in Alien Syndrome
To unlock Time Attack mode in Alien Syndrome, play and complete the Story game.

To unlock the Retro difficulty level, complete Story on Easy and Medium skill levels. Retro makes you rescue all trapped people in a level before you can exit to the boss.
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