Ninja

Sekiro: Shadows Die Twice is an action-adventure game played from a third-person view.Compared to FromSoftware's Souls series, the game features fewer role-playing elements, lacking character creation and the ability to level up a variety of stats, as well as having no multiplayer elements. It does, however, include gear upgrading, a skill tree, and limited ability customization.

The sequel to 2003's updated beat 'em up, Teenage Mutant Ninja Turtles 2: Battle Nexus sets the turtle quartet on another adventure from the series' second season, this time allowing the entire team to work together via a 4-player multiplayer mode.

Shadow Tactics is a hardcore tactical stealth game set in Japan around the Edo period.

Shadow Warrior 2 is the stunning evolution of Flying Wild Hog’s offbeat first-person shooter following the further misadventures of former corporate shogun Lo Wang. Now surviving as a reclusive mercenary on the edge of a corrupted world, the formidable warrior must again wield a devastating combination of guns, blades, magic and wit to strike down the demonic legions overwhelming the world.

Mini Ninjas is a game that combines furious action with stealth and exploration for an experience that appeals to a wide audience across age groups and preferences. It’s an action-adventure with a strong focus on allowing the player freedom to explore the world and has the depth to allow for very varied gameplay and approaches to getting through the game.

Teenage Mutant Ninja Turtles is a beat 'em up video game. The game is based on the 2003 TV series.

In Mark of the Ninja, you'll know what it is to truly be a ninja. You must be silent, agile and clever to outwit your opponents in a world of gorgeous scenery and flowing animation. Marked with cursed tattoos giving you heightened senses, every situation presents you with options.
(source: steam store page)