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