Alien Breed 3: Descent Trophies
More Speed, Less Haste
Complete 'Vengeance' single player level on Veteran mode in 17 minutes or less.
You must beat Level 4 - Vengeance on Veteran in 17 minutes or less. Despite meeting the time requirements in Recruit or Elite, the trophy will not unlock; it must be done on Veteran.

If you're attempting this on your first Veteran playthrough, keep your end level save from Level 3. Play through this level as you normally would, looting from corpses and lockers and whatever else you can find while keeping in mind the level layout and the quickest way in getting to the next objective. Once you beat this level for the first time, save the game on a different save file, and reload the end level save of Level 3. Since you should be familiar with the layout as you just gone through it all, you should have no problem getting to the end in less than 17 minutes. Continue with the story from your previous save, so you get to keep the things you earned from lockers/corpses.

Rush through this level with a Damage Boost enabled Assault Rifle, Stun Grenades, and the Flamethrower, and you should make it with at least a minute to spare. Make sure you pick up any ammo that you come across but purposely go out of your way because you can't afford to. They are essential in keeping your ammo supply up since you won't be visiting Terminals. What makes the Flamethrower particularly useful is it holds enemies into place and when you're firing it, enemies like the Larvals can't explode and damage you.

If you played on Elite, you can replay the fourth level in Free Play, and complete it under 17 minutes to unlock the trophy.