The Unfrigginbelievable medal is awarded to players after killing 40 opponents in a row without dying in multiplayer and Halo 4 Spartan Ops or after killing 1000 opponents in a row without dying in Firefight or Campaign in Halo: Reach. It is the final of the spree medals and one of the legendary medals in Halo: Reach and Halo 4 and Halo 5: Guardians . This medal can be awarded in any gametype as long as the kill limit is above 40.