Free HTML5 browser game

SMod: Sandbox in Backrooms

SMod: Sandbox in Backrooms is a mod-style game based on the sandbox and the Backrooms. It is a real-time simulator with enemies spawning and levels to complete. In this game, you can spawn enemies using a portal gun, complete quests, and search for weapons.

Game description provided by Playgama.

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Current source controls: Your task is to destroy as many monsters as possible😎! Save your points and get to the top of the leaderboard🏆! Have fun playing😉! On PC: Left mouse button: shooting. Tab: opening the monster spawn panel. WASD: moving the character. Mouse movement: controlling the camera. Spacebar: flying and jumping. On phone: Left joystick: moving. The jump button on the right side of the screen: flight and jump. The right side of the screen: camera control. The box icon: opening the monster spawn panel. The gun icon: shooting.

Quick facts

Game details

Channel: Action Games
Subcategory: Fighting Games
Provider: Playgama
Platform: Web Browser
Orientation: landscape
Updated: July 20, 2026

About SMod: Sandbox in Backrooms

Game description provided by Playgama.

How to play

Your task is to destroy as many monsters as possible😎! Save your points and get to the top of the leaderboard🏆! Have fun playing😉! On PC: Left mouse button: shooting. Tab: opening the monster spawn panel. WASD: moving the character. Mouse movement: controlling the camera. Spacebar: flying and jumping. On phone: Left joystick: moving. The jump button on the right side of the screen: flight and jump. The right side of the screen: camera control. The box icon: opening the monster spawn panel. The gun icon: shooting.

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