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Complete DNA Sequence 1.

Finish the game in Normal Mode

Defeat 30 enemies with the Tau Sniper

Defeat 20 enemies by blind-firing while in cover (without aiming with L1/R1)

Throw back a grenade and defeat two enemies at once

Play in the swimming pool on the Cruise Ship

Defeat 30 enemies with the Mk-NDI

Defeat 30 enemies with the KAL 7

Defeat 30 enemies with the G-MAL

Defeat 50 enemies with hand-to-hand combat

Gather five mines on an asteroid.