Pick a map and press Start. Build towers on free tiles to stop the invaders reaching the starport.
Register once to post verified scores. Without a name you play practice games.
Playing as
Grok Tower Defense
Guard the starport! Press Start, Enter or tap here.
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Points: 10 per credit of bounty, 5 per second when you call a wave early, and on victory a map bonus plus 100 per life left. Every game is replayed and checked by the server.