Fate/tiger colosseum​ ( フェイト/タイガーころしあむ Feito/taigā koroshiamu ) is a 3D fighting game based on the eroge Fate/stay night, released for the PlayStation Portable by Capcom and cavia, inc. in cooperation with TYPE MOON. The characters are all rendered in a super deformed style.
(source: Wikipedia)

Related to:
Fate/Stay Night
Fate/Hollow Ataraxia
Fate/Unlimited Codes