Sentoki (戦闘機; fighter) is a fanmade series of 3D fighting games developed by S•T•K Project and published by ACS. The series began with the release of its first installment, Sentoki: The Strongest Warrior, in 1997, and has since spawned a number of sequels. Originally for Arcades, the series has been released for various consoles, including the PlayStation, PlayStation 2, Xbox, Nintendo Gamecube, PlayStation 3, Xbox 360, PlayStation 4, Xbox ONE, Nintendo Switch, PlayStation 5, Xbox Series X|S, Nintendo Switch 2, PC, PlayStation Portable, PlayStation Vita and the Samsung Zeo.