Here is the full list of all 13 Alien Breed 2: Assault achievements.
Stay alive for 8 minutes on any of the Survivor mode single player levels
Find all ‘secret’ collectibles
Complete all single player levels 1-5
Complete all single player levels 1-5 on elite difficulty
Collect all logs through out the game
Finish ‘Primed’ single player level with 300000 or more overall score
Achieve a balance of 20000 credits or more
Finish multiplayer ‘Cargo’ level without taking any damage
Complete ‘Cargo’ multiplayer level in 10 minutes or less
Complete any multiplayer level
Kill 1000 aliens in single player
Without the player taking damage kill 50 aliens in single player
Complete 3 Co-op Assault multiplayer games