Killer Instinct is a 2013 free-to-play fighting game by Double Helix Games, published by Microsoft Studios, a reboot of the 1990s arcade series and an Xbox One launch title. It's built around a deep, accessible combo system, with characters and content released in seasons. It later came to Windows.
The Vault · 2013
Killer Instinct
A superb combo system, released a piece at a time.
Killer InstinctXbox OneFighting
Screenshots
How to Play TodayYour options for running this game in 2026
Original Hardware
An Xbox One; free-to-play with a rotating character, or buy the combo packs.
Modern Re-release
Available on Xbox and Windows (Steam / Microsoft Store) with all seasons.