COSMOS 404

Explore the galaxy in Cosmos 404! Run across procedurally generated tiny planets, collect coins, and dodge hostile aliens. Use power-ups like Speed Boost and Magnet to survive longer.

Arcades like this live on records: every round ends, but the score stays to be beaten.

Difficulty rises in steps: what looks impossible today becomes routine after a few evenings.

Why COSMOS 404 is hard to put down

• How far can you go in this addictive low-poly space adventure?

Difficulty rises in steps: what looks impossible today becomes routine after a few evenings.

Nothing to install: play COSMOS 404 right now, for free, here on PermainanSeru.

How to control the game

Only a few commands, and they work the same on desktop and mobile:

• Desktop
• Use Arrow Keys WASD or Mouse to move
• Mobile
• Use the on-screen Joystick to run

On desktop, the mouse drives the main action and the keyboard covers shortcuts. On mobile, virtual buttons appear at the edges of the screen.

Frequently asked questions

Do I need to pay for COSMOS 404?

Yes. COSMOS 404 is 100% free on PermainanSeru — you play right in the browser, with no payment.

How do you start playing COSMOS 404?

Desktop Use Arrow Keys WASD or Mouse to move

Does it work on mobile?

It runs in the phone browser with touch controls, plus keyboard and mouse on desktop.

Do I need an account or a download?

Session progress stays while the tab is open; this page reopens in seconds whenever you come back.

New titles join PermainanSeru every week — worth coming back tomorrow.

How to improve fast

• How far can you go in this addictive low-poly space adventure?