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SMod: Sandbox in Backrooms

You move with WASD, aim with the mouse, and shoot on the left button, while Spacebar handles jumping and flying. A Tab key opens the monster spawn panel, letting you call up enemies at will. It runs in landscape on desktop, phone, or tablet, with touch controls substituting for keyboard and mouse, and there is no installation needed.

SMod: Sandbox in Backrooms — play free online

About this game

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.

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.

Questions people ask

Can I play SMod: Sandbox in Backrooms online for free?
Yes. Open SMod: Sandbox in Backrooms in this browser and press Play. There is no download or account required.
Do I need to install SMod: Sandbox in Backrooms?
No. The game runs inside the browser page, so there is nothing to install.
Does SMod: Sandbox in Backrooms work on mobile?
This game does not list touch controls. For the best experience, use a keyboard and mouse.