You'll also be required to know the salt/index values of the unit you want control of, which is unfortunately very hard without being able to read the game memory, but speedrunners have put together numerous step-by-step guides that will let you turn into particular characters easily. For this reason, this glitch is most easily performed early in levels that don't spawn you in action from the immediate start. This can often be very tricky to perform, as any bullet fired by anyone will increase the salt, which can mess up the value you are attempting to reach. But how do you get a unit to spawn in with the same salt and index as the default spot biped? The game will attempt to teleport the model to give the player control of, but will select the newly spawned unit instead of the Master Chief/Arbiter model in the default spot. In order to trick the game into giving a player control of the wrong unit, you must load in a unit that has the same salt and index as the character model that appeared in the default spot, while that character is dead. The index represents the number of loaded items at the time of the spawn, while the salt is a number that increases by one with each new spawn.

How it works: Every item in the game that spawns, fired and thrown projectiles included, has both a salt and an index value. RELATED: Fifteen Scary Video Game Glitches That Will Freak You Out The trick works by confusing the game into thinking another unit (an enemy, a marine, a vehicle, etc.) is the model to be teleported and ascribed control to. Once the character is teleported, it simply ascribes control of the model to the respawning player. The game repeatedly tries to teleport this character to the other's position once the game deems the alive player to be safe from combat. When a player in co-op dies, the game creates a model of their character in a place out of sight, referred to by players as the 'default spot'. The workings of this glitch are rather simple. This glitch was discovered by speedrunners Harc The Shark and MisterMonopoli late last year and has since been perpetually explored and mastered by speedrunners and glitch-hunters alike, allowing players to play as any character or vehicle that you would ever encounter in-game, though some units are harder to possess than others.

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