Oniken is a side-scrolling action platform video game developed and published by independent Brazilian studio Joymasher for Microsoft Windows, OS X and Linux.

The game was released worldwide for Microsoft Windows on June 21, 2012, on OS X and Linux on November 20, 2012, and on Nintendo Switch on February 1, 2019 as Oniken: Unstoppable Edition.

[1] The game has an 8-bit style and follows a classic slasher gameplay formula similar to Strider, Ninja Gaiden and Shatterhand.

A small resistance led by General Zhukov attempt to defend against the Oniken but are ultimately overwhelmed by their forces.

[3] Oniken was developed by the duo consisting of friends Danilo Dias (JoyMasher) and Pedro Paiva (then Arcaica, now Menos Playstation) as a means for them to pay homage to their favorite games from the 8-bit era, such as Ninja Gaiden, Contra, Kabuki Quantum Fighter, Shadow of the Ninja and Vice: Project Doom.