Buggy.
If you play with no cooldown and end up having a crewmate walk in the room with a body, but you kill them before they report the body, they'll just report the body anyways even if they're dead.
Most of the time the crewmates will be able to walk through walls and also get stuck in areas and then you won't be able to kill them.
Most times even if you kill in secret with no one in the area and no cameras there, you'll still be voted off.
Other moments, the game breaks and you can't move.
Speaking of moving, the fact that the player has acceleration, making it annoying