Mark of the Ninja

Mark of the ninja is a side-scrolling stealth-action. The game follows an unnamed ninja who is tasked to revenge a private military company that attacked ninja’s clan dojo.
The gameplay can be described as a mix of 2D platformer and stealth-action. Throughout the whole game, it is much more useful to neutralize enemies silently. The ninja protagonist has different abilities and tools which allow him to kill enemies from hiding spots, distract enemies, slow them down, and so on. They can be unlocked in exchange for honor – points that you get for performing different types of silent kills, completing tasks, challenges, finding collectibles.
The enemies are sensitive to sound, they interact with each other and can be terrified if the witness an assassination of their allies. There are different types of collectibles in the game and few secret challenge rooms in each level. Usually, they consist of some puzzles which can be solved by using the ninja’s unique abilities and items.