Intro Level is the free part of the game. (20 levels sampled from the main game)
Story Mode requires a purchase of the DLC.

This guide features screenshots of the hints to help solve each level.

Intro Level (20 levels) and Story Mode (100 levels) need to be completed.

Several achievement are tied to spawning 100 of a specific animal in a single level.

To easily spawn 100 of an animal, hold the mouse down on a spawning circle to start then mouse along a straight line.

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