 In combat , players have several attacks at their disposal , depending on the head Fred is equipped with . These attacks include combos , head @-@ specific counterattacks , and ranged attacks . During a counterattack , the player can complete a Quick Time Event to instantly kill an enemy by removing its head , which gives Fred " Rage " points . Rage energy builds up over time , and the player can use it to unleash powerful attacks on multiple foes . Dealing a large amount of damage to an opponent will stun them , during which time Fred can remove their head . Collected heads can be traded at " Head Shops " for a usable version . 
