Sentinel
Tower defense with music that responds to building and fighting
Matthew Brown · Released Apr 22, 2014
- Reviews
- Mixed
- 66% of 118
- Recent reviews
- Not enough recent
- Players
- 0
- daily peak, Oct 31, 2026
- Steam Deck
- Verified
- Last update on Steam
- Unknown
- no patch notes on Steam
What is Sentinel?
Sentinel is a tower defense game where you clear a virus from a system across 31 levels. On a sequencer-like grid, you place defenses, collect resources, and destroy enemies.
For you if...
- +you enjoy strategy challenges that work like puzzles
Not for you if...
- −you dislike replaying levels to work out a solution
What players say
66% of 118 reviews are positive
Players praise the music and visual presentation. Common complaints include heavy micromanagement, distracting background effects, and poorly explained mechanics.
Screenshots and trailer
Sentinel system requirements
Minimum: Shader Model 2.0+, 2 GB RAM, 0.7 GB of disk space.
As published by the developer.
Can my PC run Sentinel?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows XP or later
- Processor
- 2.0Ghz+
- Graphics
- Shader Model 2.0+
- Memory
- 2 GB RAM
- Storage
- 750 MB available space
- Notes
- Widescreen monitor required.
Does Sentinel have co-op or multiplayer?
No: single-player only, no multiplayer modes declared.
Does Sentinel 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
- Keyboard and mouse
- Platforms
- Windows, macOS, Linux
- Achievements
- 7
- Steam features
- Family Sharing
- Languages
- Text only: English.
Does Sentinel 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 27, 2026. How to filter AI games on Steam