You cannot kill "Things" with just bullets.
Watch these walkthroughs to see how to handle the squad trust mechanics and alien encounters in high definition: The Thing: Remastered - FULL GAME walkthrough | Longplay YouTube · Global Gaming The Thing Inside UsHD
Characters can become paralyzed by fear or go "insane" if they see too many corpses or monsters. You cannot kill "Things" with just bullets
This is the game's most unique feature. Your squad members (Medics, Engineers, and Soldiers) won't follow your orders if they don't trust you. The Thing Inside UsHD