Each fifteen seconds of a match of competitive FPS Quantum League repeats, creating its own timeline of player actions which persist until the end of the third run, or until that timeline is interrupted by the actions of a player in a subsequent run. It’s Clock Blockers, basically. Sometimes, you pull off supremely tactical synchronized plays with versions of your past self. Sometimes, you have to spend your third run killing your second run to stop yourself accidentally blowing up your first run with a grenade launcher. I like it a lot, even if I’m not sure I can adequately explain it.

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