Mark of the Ninja

Side-scrolling stealth platformer about sneaking past or killing guards

Klei Entertainment · Published by Microsoft Studios · Released TBA

Reviews: Overwhelmingly Positive; 97% of 16K
Recent reviews: Not enough recent
Players: 3; daily peak, Nov 7, 2026
Steam Deck: Verified
Last update on Steam: 5 years ago; Dec 1, 2020
Minimum PC: HD 3000; 2 GB RAM · 2.5 GB disk; Full requirements

What is Mark of the Ninja?

A 2D side-scrolling stealth platformer about a ninja whose cursed tattoos heighten his senses. You move through guarded levels, sneaking past or killing enemies with unlockable tools and techniques. Levels also have optional objectives and hidden collectibles, and finishing the story unlocks New Game Plus.

For you if...

+you enjoy patient stealth with multiple ways through levels
+you like replaying levels with different tools and tactics

Not for you if...

−you want combat without having to hide or wait

What players say

97% of 15,872 reviews are positive

Players praise the varied stealth approaches, controls, and replayability. Those who dislike stealth say the game does not change their minds about the genre.

How many players finish Mark of the Ninja?

22% of Steam players have unlocked «Fated», the achievement for finishing the main story.

Share of everyone who owns the game on Steam, including those who barely played it. Updated weekly.

Screenshots and trailer

Mark of the Ninja system requirements

Minimum: HD 3000, 2 GB RAM, 2.5 GB of disk space.

As published by the developer.

Can my PC run Mark of the Ninja?

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Minimum

OS: Windows XP SP3, Windows Vista SP2, Windows 7 SP1
Processor: AMD Phenom 9750 or Pentium D 800+
Graphics: NVIDIA® GeForce® 7800 GT or ATI Radeon™ HD 3000+ or better
Memory: 2 GB RAM
Storage: 2.5 GB HD space

Does Mark of the Ninja have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Mark of the Ninja run on Steam Deck?

Verified Yes, Verified by Valve: it works on Steam Deck out of the box.

All functionality is accessible with the default controller configuration
Shows Steam Deck controller icons
In-game text is legible on Steam Deck
Default graphics settings perform well on Steam Deck

PC version details

DRM: None declared on Steam
Controller: Full controller support
Platforms: Windows, macOS, Linux
Achievements: 38
Steam features: Cloud saves, Family Sharing, Trading cards
Age rating: 17+
Languages: Full audio: English. Text only: German, French, Italian, Spanish - Spain, Japanese.

Does Mark of the Ninja use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 25, 2026. How to filter AI games on Steam