Toxic Arena: Biological Threat
Toxic Arena: Biological Threat is a shooting game you can play unblocked right here on Physics Shark.
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Play Toxic Arena: Biological Threat unblocked
Toxic Arena: Biological Threat is a shooting game you can play unblocked right here on Physics Shark. It runs in your browser with no download, no install and no account, so you can play it on a school Chromebook, a laptop, a phone or a tablet.
What is Toxic Arena: Biological Threat?
Toxic Arena: Biological Threat is a thrilling action-roguelike "survivors" game where your only goal is to survive in the heart of a global biological catastrophe. You are a fighter trapped on an arena with endless hordes of mutants. Test your nerves and your reaction time!
What awaits you:
Insane Drive: Fight against ever-growing waves of enemies. Every minute on the arena is a new challenge and a test of your tactics.
Deep Mutation System: Choose unique upgrades with each level! Increase damage, fire rate, or unlock abilities like ricochet and armor penetration.
Survivor's Arsenal: Collect weapons of various rarities — from 'Common' to 'Legendary'. The cooler your gun, the less chance the monsters have.
Diverse Locations: Fight your way through gloomy forests, abandoned military bases, and secret laboratories.
Become a legend of the "Toxic Arena: Biological Threat" and top the global leaderboards. Are you ready for the challenge?
How to play Toxic Arena: Biological Threat
Survive the harsh conditions of "Toxic Arena: Biological Threat," repelling endless mutant attacks. Collect biological experience, unlock unique mutations, and upgrade your arsenal to last as long as possible and set a new record!
PC Controls:
WASD or Arrow Keys — Move character.
Mouse movement — Aim and look around.
Left Click (LMB) — Fire at enemies.
R Key — Reload (don't forget to watch your magazine!).
Space — Dash for a quick evade or to escape surrounded areas.
Mobile Controls:
Left Joystick — Character movement.
Right Joystick — Aiming and auto-fire.
Reload Button icon — Manual reload.
Tips:
Use Dash to dash through groups of enemies if you get cornered.
Study mutation descriptions: the right combination of skills (synergy) will make you practically invulnerable!
Always stay on the move — a standing target is an easy meal for mutants.
Toxic Arena: Biological Threat controls
- WASD or Arrow Keys: Move character
- Mouse movement: Aim and look around
- Left Click (LMB): Fire at enemies
- R Key: Reload (don't forget to watch your magazine!)
- Space: Dash for a quick evade or to escape surrounded areas
Toxic Arena: Biological Threat FAQ
Is Toxic Arena: Biological Threat free to play?
Yes. Toxic Arena: Biological Threat is free on Physics Shark, with nothing to download and no account to make. The game has optional in-game purchases, but you never need them to play.
Can I play Toxic Arena: Biological Threat unblocked at school?
Toxic Arena: Biological Threat 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 Toxic Arena: Biological Threat 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#1818 of 2870
- PlaysBe the first!
- UpdatedNovember 2026
Gameplay
About this game
- Controls
- WASD or Arrow KeysMove character
- Mouse movementAim and look around
- Left Click (LMB)Fire at enemies
- R KeyReload (don't forget to watch your magazine!)
- SpaceDash for a quick evade or to escape surrounded areas
- Supported devices
- Desktop, phone and tablet
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