Today's price by store
| Store | Price | Discount | Sale ends | View in store |
|---|---|---|---|---|
| Steam | Free | — | — | View in store |
Lowest price today: Free on Steam.
Prices updated on Oct 31, 2026. The store's price is the one that counts.
Lowest recorded price
R$0.00 on Steam, on Oct 26, 2026. It is the lowest price since Oct 26, 2026, when Game Fellow started tracking this game.
Price history (last 90 days)
- Steam: R$0.00 today; low of R$0.00 and high of R$0.00 in the period.
- Steamavg. R$0.00
Game details
- Genres
- Tactical, Music, Puzzle, Indie, Strategy
- Platforms
- PC (Microsoft Windows), Mac, Linux
- Release
- Apr 21, 2014
- Developer
- Matthew Brown
- Publisher
- Matthew Brown
About the game
Sentinel is an interactive audio tower defense game. It mixes strategic game play with a dynamic music system. The game takes place on a sequencer-like grid. As you add defenses, collect resources and destroy enemies, musical elements are triggered in time to the music. Fight through 31 levels to clear the virus from the system.
Summary from IGDB.