Reefkeeper

Keep a reef aquarium healthy. Light grows coral, but spare light grows algae. Fish turn food into waste, and snails and shrimp keep the water clear. Healthy fish and coral drop shells on the sand, and shells buy more fish, coral, cleaners, a brighter lamp, a bigger tank or an auto-feeder.

Three meters show what is happening, with the numbers: how much light the coral uses and how much is spare, how many seconds of food are left and how much waste comes in and goes out, and the water quality and where it is heading. Feed before the food runs out, change the water when it turns, and grow the tank without tipping it over.

The biggest tank takes about 50 minutes of steady play. Mouse or touch.

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Strategy guide: aquarium game tips from Reefkeeper’s own code
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Made by GamesLink Studio.