TOWER DEFENSE SPACE

Hold the orbit.
Break the swarm.

Play right in your browser — on PC and mobile. No downloads, no sign-up.

Orbital defense tower
Play
Rotate your phone to landscape for the best view!
Why it's effortless

Features

Built to launch anywhere and play just as well on every screen.

Instant launch

The game loads in seconds on any device — open a tab and you're straight into battle.

Smart controls

Tuned for taps on phones and clicks on PC — the controls feel native everywhere.

Unified progress

Start on PC, keep going in your mobile browser on the road — your progress follows you.

Eight battlefields

Worlds to defend

Six hand-built campaign worlds plus two endless trials — each with its own paths, tower slots and boss.

Lunar Outpost map
World 01
Lunar Outpost
Asteroid Loop map
World 02
Asteroid Loop
Listening Station map
World 03
Listening Station
Twin Lock map
World 04
Twin Lock
Crater Maze map
World 05
Crater Maze
Void Maelstrom map
World 06
Void Maelstrom
Boss Rush arena
Game mode
Boss Rush
Endless arena
Game mode
Endless

Campaign

Clear six worlds, unlock a new tower on each and topple every boss.

Boss Rush

Eight escalating boss-only waves. No filler — just the heavy hitters.

Endless

Waves scale forever. Chase your best round and hold the line.

Threat database

Know your enemy

A fresh alien horde pours in from deep space. Scout the invaders — and the bosses waiting at the end of every world.

Grunt
Frontline
Runner
Sprinter
Stalker
Phantom
Flyer
Air scout
Tank
Juggernaut
Warp Phantom
World boss
Ion Titan
World boss
Void Emperor
Final boss
Three simple steps

How to play on mobile

From link to first tower in under a minute.

  1. 1

    Open the link

    Open the game in any mobile browser — no install required.

  2. 2

    Rotate the screen

    Turn your phone to landscape for the full view of the battlefield.

  3. 3

    Build towers

    Place orbital turrets, repel the waves and hold the line.