Sale has ended but you can still get this app.
Download Penguins Invasion Now

Official Description

Global warming has ousted the penguins from their home and they are now invading using explosive fish! You are humanity's last hope…
Test your skill and receive a 25% discount voucher when you purchase the game Penguins Arena for Mac OS X and Windows.

Features:
– online scores
– achievements
– quick and exciting games
– easy and intuitive controls
– excellent graphic and sound quality
– increasing difficulty levels

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An update is in the work! Stay tuned…