Find your way to the mothership "Twinkling Star".

Restore communication between the Colony and the Earth.

Activate the Cargo Teleportation System.

Locate the experimental portal.

Activate the chronosphere.

Visit the guts of a strange creature.

Destroy all the security turrets of the Perimeter.

Destroy a turret using an explodable barrel.

Arrange a murder of an enemy by his partner's rocket.

Pass by the laser trap without getting damaged.

Discover the super-secret corridor from the good old game.

Decapitate an enemy with your firearms.

Cut off 15 enemy's heads with a disc.

Cut off both limbs of an enemy trooper.

Disarm an enemy with a disc by depriving him of his gun... and the claw!

Kill 10 enemies with disc's ricochets.

Smash 20 cockroaches.

Kill 25 small predatory fish.

Kill 50 scorpions.

Find all the secrets on a game level.

Kill all the enemies on a game level.

Find and use 6 mega-health items.

Collect an arsenal of all weapon types.

Upgrade one of your weapons.

Install all available weapon upgrades.

Collect all the keys in the game.

Use all available power-ups.

Beat the game on the "Easy" skill level.

Beat the game on the "Medium" skill level.

Beat the game on the "Hard" skill level.

Read all the datacubes in the game.

Kill 500 enemies.