The listing, Mark of the Ninja [Steam Key] has ended.
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. Will you be an unknown, invisible ghost, or a brutal, silent assassin?
Upgrade new tools and techniques that suit your playstyle and complete optional objectives to unlock entirely new ways to approach the game. Finish the main story to unlock a New Game Plus mode with even more options and challenges.
More info: http://store.steampowered.com/app/214560
------------------------------------------
Get amazon gift cards and steam games just for play flash games ;D http://www.tremorgames.com/?ref=4043
------------------------------------------
This game works on Mac and Linux too, also include Steam Trading Cards!
Good Luck!