Here is the full list of all 13 Alien Breed 3: Descent achievements.
Complete 'Vengeance' single player level on Veteran difficulty in 17 minutes or less
Complete all single player levels 1-5
Complete all single player levels 1-5 on Elite difficulty
Find all secret collectibles
Collect all the logs throughout the game
Kill 1000 aliens in single player
Take 500 damage on 'Determination' single player mission without dying
Kill 10 aliens with one Frag Grenade
Stun 10 aliens with one Stun Grenade
Stay alive for 8 minutes on any single player Survivor level
Complete any multiplayer level
Kill 250 aliens on any multiplayer Survivor level
Complete 3 Co-op Assault multiplayer games