Space Tower Defense
Defend your base in Space Tower Defense, a free online tower defense game. Build towers, upgrade your defenses, and survive every wave.
How to Play
Play Space Tower Defense - protect your territories and main tower from waves of enemy attacks in a sci-fi setting. Position turrets and hold the line.
Controls & Strategy
Mouse click or tap to play
- • Place high-damage turrets where enemies cluster or slow down
- • Upgrade existing turrets before building new ones when short on resources
- • Save up for stronger defenses ahead of tougher waves
- • Watch enemy paths and cover every approach to your main tower
Why Play Space Tower Defense?
- •Free to play instantly in your browser — no download or install required.
- •Sci-fi tower defense strategy: position turrets, upgrade your defenses, and hold the line against waves of enemy attacks.
- •Easy to pick up for a quick session, with enough depth to keep you coming back.
- •Works on desktop and mobile browsers alike.
