Beware Planet Earth is a tower defence Game developed by Lightmare Studio and published by Bandai Namco Entertainment. It was released on Microsoft Windows and Mac OS X and made available on iOS and Android devices afterwards.

The Game takes place on a distant planet where the player takes control of a farmer named John, who must defend his crops from a group of aliens trying to steal them. The Game features a unique cartoonish art style with a charming and humorous tone.

Gameplay 

Beware Planet Earth revolves around setting up various defence mechanisms to stop the invading aliens. The player can place towers that shoot projectiles, traps that slow down enemies, and other gadgets that can help to protect the crops. It has 18 levels, each with unique challenges and enemy types.

As the Game progresses, the player can upgrade their defences and unlock new gadgets that can help them to survive against the increasingly difficult waves of aliens. Boss battles require players to think creatively and develop new strategies to defeat powerful enemies.

Story 

Beware Planet Earth is told through a series of humorous cutscenes that introduce the various characters and set up the Game's premise. John, the main character, is a farmer tasked with defending his crops from the alien invasion. He is assisted by a group of quirky characters, including a mad scientist who provides him with gadgets, a talking cow that serves as his advisor, and a group of loyal sheep that help him to collect resources.

Key Features 

• A unique cartoonish art style that gives the Game a charming and humorous tone.
• Various defence mechanisms and gadgets allow the player to devise creative strategies to stop the invading aliens.
• Eighteen levels provide a decent amount of content for players to enjoy.
• Boss battles offer a significant challenge and require players to think outside the box.
• Humorous cutscenes and quirky characters add personality to the Game.
• Exclusively to Steam: a slew of new Levels and adversaries based on Valve's universe!
• Unlimited Fun: complete narrative mode with 46 levels spread across four seasons, plus 28 additional missions!
• Accessible platformer: many difficulty options, including "Veteran Mode" for seasoned professionals and "Normal Mode" for newcomers
• Exciting activity: use your Zapper to strike the Martians and destroy their weapons!
• Crazy machines: Choose from 20 strange machines, ranging from the traditional defence tower to the Helicopter!
• Over 20 unique Martians, from the Metalhead and the Mad Professor to the Ninja, pose as formidable foes!

With its charming art style, variety of defence mechanisms, and entertaining story, it will surely provide hours of entertainment for players of all ages.