SMod: Sandbox in Backrooms
Looking for a first-person shooter you can play at school? SMod: Sandbox in Backrooms loads straight in your browser on Physics Shark: free, unblocked and nothing to install.
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Play SMod: Sandbox in Backrooms unblocked
Looking for a first-person shooter you can play at school? SMod: Sandbox in Backrooms loads straight in your browser on Physics Shark: free, unblocked and nothing to install. Play it on a school Chromebook, a laptop, a phone or a tablet.
What is 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.
How to play SMod: Sandbox in Backrooms
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.
SMod: Sandbox in Backrooms controls
- Left mouse button: shooting
- Tab: opening the monster spawn panel
- WASD: moving the character
- Mouse movement: controlling the camera
- Spacebar: flying and jumping
SMod: Sandbox in Backrooms FAQ
Is SMod: Sandbox in Backrooms free to play?
Yes. SMod: Sandbox in Backrooms is free on Physics Shark, with nothing to download and no account to make.
Can I play SMod: Sandbox in Backrooms unblocked at school?
SMod: Sandbox in Backrooms runs in a normal browser tab with no install, so it plays on school Chromebooks and laptops, with nothing to install and no account.
Does SMod: Sandbox in Backrooms work on phones and tablets?
Yes. It works with touch controls on phones and tablets, and with a keyboard and mouse on computers.
- LikedNo votes yet
- Rank#1055 of 2870
- PlaysBe the first!
- UpdatedNovember 2026
Gameplay
About this game
- Controls
- Left mouse buttonshooting
- Tabopening the monster spawn panel
- WASDmoving the character
- Mouse movementcontrolling the camera
- Spacebarflying and jumping
- Supported devices
- Desktop, phone and tablet
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