Unlock New Mission Modes
When you clear a mission for the first times 3 new modes with various changes in the gameplay parameters for that mission will become unlocked when it is replayed.
Intuition:
No HUD (HP Bars, Steam Gauge).
Merciless:
Enemies are much stronger.
No Return:
Backtracking does not replenish steam.
More tricks, tips and cheats for this game are right here - Code Name: S.T.E.A.M. cheats
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