Starvoxel: Defender
Co-op merge tower defense with shared health, solo AI and online play.
by Starvoxel
About the game
Starvoxel: Defender is a cooperative merge tower defense built around one shared star. Play solo with an AI ally or team up online. Each player protects one lane, every leak damages the same shared hearts, and matching defenders can be merged from Common to Legendary before evolving into specialized final forms.
Features
- Solo play with an AI ally
- Real-time online co-op
- 15 defender families with seven-family loadouts
- 60 waves across five battlefields
- Merge and Evolution systems
- Free with no ads
How to play
- Summon defenders into open cells
- Merge matching family and rarity pairs
- Upgrade defenders and evolve Legendaries
- Protect both lanes and the shared star through 60 waves
Why play it
It turns tower defense into a shared co-op problem: two lanes, one health pool, and meaningful build decisions from random summons, merges, upgrades, and final-form Evolutions.