Overview
Build a squad of cheerful aliens and defend five lanes against comets, crystals and meteors. Your defenders shoot automatically, while you decide who to recruit, where to place them and when to merge.
Combine two matching defenders into a stronger one and develop your squad up to rank eight. Each wave brings a tougher challenge, and every enemy that breaks through costs a life.
Spend earned coins on permanent upgrades to damage, income and health. Your upgrades and best wave carry over between runs. Find your formation and see how long you can survive!
Videos and screenshots
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How to play
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Open the game
Press Play now and the game opens on its own screen.
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Follow the in-game instructions
The controls and goals are shown inside the game as you play.
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Use the game menu
The floating button over the game reloads it, saves it to your favourites, or takes you back out.
