Blood Gulch is a multiplayer map in the first-person shooter Halo video game series. It first appeared in Halo: Combat Evolved, and was remade for Halo 2 as "Coagulation", as well as for Halo: Reach as "Hemorrhage" and Halo: The Master Chief Collection as "Bloodline". It also had spiritual successors in Halo 3's "Valhalla", in Halo 4 and Halo Wars as "Ragnarok", and in Halo 5's "Basin". Taking place in a canyon on the Halo ringworld that resembles the American Southwest, it was designed for the Capture the flag game mode but can also be used for other modes, such as deathmatch. Blood Gulch was one of Halo's most critically acclaimed and influential multiplayer maps, and played a significant role in the machinima series Red vs. Blue. Level content Blood Gulch takes place in a box canyon on a Halo ring that is enclosed on all sides by high natural walls. The canyon's interior is a "vast expanse of undulating landscape and scattered pieces of natural cover", with a base on each end for the Red and Blue teams. The map is balanced but asymmetrical in terms of tactical advantage, with the Red team having access to a ridge, while the Blue team is located near a tunnel system in the canyon wall. Each base is conducive to traditional FPS gameplay, with "two entrances, an open ceiling, and sloping paths to the roof". On top of each base, a teleporter can transport players (from either team) to the midst of the valley's no man's land, leaving them vulnerable to snipers. Warthog jeeps can easily traverse the landscape, making them ideal for escaping with the flag. In the Halo 2 variant of the map, each base has a third, below ground level, in which a Banshee can be found. When playing the gamemode “Rocket Slayer”, the Warthogs are replaced with Scorpion tanks. Development Jaime Griesemer, the designer of Halo: Combat Evolved, stated that the design of Blood Gulch was responsible for the Scorpion tank remaining in the game, saying that the developers wanted to remove it, as it was not used in the game's campaign mode enough, but found it fun enough to drive around Blood Gulch that it was left in the game. He also stated that the game's sniper rifle was given a scope due to the distance between Blood Gulch's two bases. Reception Wes Fenlon from PC Gamer