PLANET DEFENSE SPACE TD
Build towers. Crush aliens. Save the galaxy. The tower defence game you have been waiting for is almost here.
What is Planet Defense?
Planet Defense: Space TD is a tower defence game set across the stars. You command Earth's last line of defence against alien waves.
Place towers on alien planets. Upgrade your weapons. Use special abilities to wipe out entire fleets. Each level brings new enemies and new tactics.
Made by CyberJoy Games, a small studio in Australia. We love classic tower defence games and wanted to build something fresh for modern players.
The game runs on mobile and desktop. Cross-platform saves mean you can play anywhere. Start on your phone, finish on your PC.
See the Action
Why Play Planet Defense?
47 Unique Towers
From laser turrets to gravity wells. Each tower has its own upgrade tree and special attack.
120+ Levels
Fight across 8 alien planets. Each planet has new terrain, new enemies, and new rules to master.
Boss Fights
Giant alien bosses at the end of each planet. Learn their patterns. Find their weak spots. Win.
Cross-Platform
Play on mobile or desktop. Your progress syncs across all your devices. Pick up where you left off.
Co-op Mode
Team up with a mate. Share the map. Split the towers. Take on harder waves together.
Weekly Events
New challenges every week. Compete on global leaderboards. Win rare skins and tower upgrades.
Get Early Access
Sign up now and be the first to play Planet Defense: Space TD. Free early access for all who register.
What You Get
- [+] Free early access before public launch
- [+] Exclusive beta tester badge
- [+] 3 rare tower skins at launch
- [+] Direct feedback channel to the dev team
- [+] Your name in the game credits
Common Questions
Your Safety Matters
SSL Encrypted
All data sent to and from our site is encrypted with 256-bit SSL. Your info stays safe.
GDPR Compliant
We follow EU and Australian privacy laws. You control your data. Delete it any time you want.
No Gambling
Planet Defense has zero gambling elements. No loot boxes with random rewards. What you buy is what you get.
Age Verified
All signups require age confirmation. We take responsible gaming seriously and follow Australian standards.