Booby trap

Boobytraps are traps that are designed to catch unsuspecting Enemy Soldiers

Pits
simply a disguised hole that your enemies can fall into.

Tripwire
Tripwires can be used to activate different devices. Bells to attract guards, spiky logs or darts to injure them.

Claymore Mine
If you step in front of it, it explodes. Works well on paths your enemies will use.