Games like Sentry System
Games like Sentry System include FTL: Faster Than Light, Balatro, Backpack Battles, Bloons TD 6, and Dungeon of the ENDLESS™. We matched them by the tags players give Sentry System on Steam (Tower Defense, Roguelike, Strategy, Auto Battler, and Tactical): closest matches first, and among equally close ones the better-known games.
FTL: Faster Than Light
Shared: Roguelike · Strategy · Singleplayer
Balatro
Shared: Roguelike · Strategy · Singleplayer
Backpack Battles
Shared: Auto Battler · Strategy · Roguelike
Bloons TD 6
Shared: Tower Defense · Strategy · Singleplayer
Dungeon of the ENDLESS™
Shared: Roguelike · Tower Defense · Strategy
Emberward
Shared: Tower Defense · Strategy · Roguelike
Tower Dominion
Shared: Tower Defense · Strategy · Roguelike
Slay the Spire
Shared: Roguelike · Strategy · Roguelike Deckbuilder
XCOM 2
Shared: Strategy · Tactical · Singleplayer
9 Kings
Shared: Strategy · Roguelike · Auto Battler
Kingdom Rush - Tower Defense
Shared: Tower Defense · Strategy · Singleplayer
Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Singleplayer
Rogue Tower
Shared: Tower Defense · Roguelike · Strategy
Poly TD
Shared: Tower Defense · Roguelike · Tactical
Slay the Spire 2
Shared: Roguelike · Strategy · Roguelike Deckbuilder
The King is Watching
Shared: Roguelike · Tower Defense · Strategy
The Last Flame
Shared: Roguelike · Auto Battler · Strategy
Warpips
Shared: Tower Defense · Strategy · Auto Battler
Bad North: Jotunn Edition
Shared: Tower Defense · Real Time Tactics · Roguelike
Mechabellum
Shared: Auto Battler · Strategy · Tactical
Shadow Tactics: Blades of the Shogun
Shared: Strategy · Tactical · Singleplayer
Legion TD 2 - Multiplayer Tower Defense
Shared: Tower Defense · Strategy · Auto Battler
Dome Keeper
Shared: Roguelike · Singleplayer · Tower Defense
DG2: Defense Grid 2
Shared: Tower Defense · Strategy · Tactical