Beware Planet Earth!
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About Beware Planet Earth!
Beware Planet Earth! combines tower defense with time management. You defend your cows from a Martian invasion by building defenses with towers, traps and objects, and by firing your Zapper directly at the invading green men.
Story and challenges
The story mode has 46 levels across four seasons, with 28 bonus challenges. You can choose between Normal Mode for beginners and Veteran Mode for experienced players.
Defenses and enemies
You can choose from 20 machines, ranging from the classic defense tower to the Helicowpter, and face over 20 quirky Martians, including the Metalhead, the Mad Scientist and the Ninja. Use your Zapper to attack Martians and overpower your machines.
The Steam version includes new levels and enemies inspired by Valve’s universe.
Frequently asked questions
The best price for Beware Planet Earth! is $0.41 at Kinguin. That is 91% less than on Steam, where it costs $4.99. 10 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and Beware Planet Earth! stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for Beware Planet Earth! are: Windows XP, 512 MB RAM, 350 MB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Beware Planet Earth! is a single-player game.
Mostly, yes. Valve rates Beware Planet Earth! as Playable on the Steam Deck: it runs, but may need some manual setup.
Buy Beware Planet Earth! 91% cheaper than on Steam.
Beware Planet Earth! is available for 91% less in shops such as Kinguin, Gameseal, or K4G.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.
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