The age of silent, stealthy, deadly ninjas is not over! Become one of them in Mark of the Ninja, a Klei Entertainment action adventure. An immersing story coupled with awe-inspiring animation and scenery is sure to have you loose track of time and sense of reality while you’re playing the game! You have a choice of becoming a silent assassin or an invisible ghost as you make your way through the story, gathering the perfect toolset for your style of play.

Mark of the Ninja is a side-scrolling action stealth video game developed by Klei Entertainment and published by Microsoft Studios. It was announced on February 28, 2012 and later released for the Xbox 360 via Xbox Live Arcade on September 7, 2012. A ...   more on Wikipedia

This game is not what you usually see on Steam. In Garry's Mod, you enter a physics sandbox which provides you with tools to make what you want happen and leaves you to it. You can play alone or join thousands of other players kidding around and playing with physics. If you do try this game, do check out its Steam Community Workshop

Garry's Mod or GMod (stylized as garry's mod) is a sandbox physics game using a modified Source engine, created by Garry Newman. Garry's Mod was originally a modification, a "mod", for Valve's Half-Life 2, but was later made into a standalone game. I ...   more on Wikipedia

War for the Overworld is a management strategy game developed by Subterranean Games. Tired of being a Hero that must go to a dark and stinky dungeon? Constantly risking your life for a few shillings is not worth it? The demon slaying business gives you nightmares? Well then friends, prepare for quite an opposite experience with War for the Overworld! Control an almighty and malevolent Underlord, with limitless power and potential, and create your own dark dungeon, one no Hero could survive in! Punish the foolish attempts of mere mortals with your ingenious designs, mazes, numerous rooms and devilish fiends within your creation! You have your dungeon, and your minions, and if a trespassing hero proves to be one of an outstanding strength, you have your rituals and spells to show who's the real boss!

War for the Overworld is a real-time strategy video game developed by Subterranean Games. The game started as a Kickstarter campaign, which ran from November 29, 2012 to January 3, 2013. In the game, players build dungeons containing deadly traps to ...   more on Wikipedia