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Ben 10 Alien Onslaught

Move through Bellwood with WASD or the arrow keys, aiming your attacks with the mouse as waves of aliens close in. Survive each run long enough to face one of three bosses, then spend coins on permanent upgrades in the Plumber Shop. It runs in the browser on desktop, with landscape orientation, and offers three arenas, six playable aliens, and fourteen enemy types.

Ben 10 Alien Onslaught — play free online

About this game

Ben 10: Alien Onslaught is a fast-paced arcade survival game. Aliens are pouring into Bellwood by the hundreds, and the only thing standing between them and the town is a kid with a watch. Survive long enough and the boss shows up: Vilgax in Bellwood, Kevin 11 in the Canyon, and ZsSkayr waiting in the Null Void. Beat them to unlock powerful artifacts, spend your coins in the Plumber Shop on permanent upgrades, and chase 35 achievements. Three arenas, six aliens, fourteen enemy types and three bosses. Easy to pick up, hard to master, and different every single run.

How to play

Desktop Move with WASD or Arrow Keys and use mouse for attack direction Mobile Use your thumbs to move and attack direction Follow more instructions inside the game

Questions people ask

Can I play Ben 10 Alien Onslaught online for free?
Yes. Open Ben 10 Alien Onslaught in this browser and press Play. There is no download or account required.
Do I need to install Ben 10 Alien Onslaught?
No. The game runs inside the browser page, so there is nothing to install.
Does Ben 10 Alien Onslaught work on mobile?
This game does not list touch controls. For the best experience, use a keyboard and mouse.