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Sentry System is a tower defense roguelike where you collect, modify and upgrade your sentries while progressing through a network of challenging encounters.
Game modes: Single player
Right now the lowest price for Sentry System we're tracking is $7.99 at Steam. We compare 1 store and prices refresh every few minutes.
The lowest price we've recorded for Sentry System is $7.99 at Steam on August 21, 2026. The current best price matches that all-time low — historically a good time to buy.
Sentry System released on June 7, 2024.
Sentry System is available on PC (Microsoft Windows). It supports single player.
The cheapest Sentry System price right now is $7.99 at Steam.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 SteamBest priceAll-time low | — | $7.99 | Buy Sentry System at Steam |
All-time low: $7.99 at Steam on Aug 21, 2026 — the current best price matches it, a good time to buy.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
