Games like Beware Planet Earth

"Ancient Planet" is a Tower Defense game where you defend an ancient civilization's stronghold from invasive alien hordes using upgradable towers and diverse strategies. The game features 40 unique levels, a variety of enemy types, and improvements that can be reset and redistributed at will. The game's storyline and setting are based on the memories of intergalactic war veterans and were created with input from the High Council of Intelligent Civilizations of the Galaxy.

"Go Home Dinosaurs!" is a tower defense game where you must defend your barbecue from hungry dinosaurs. Unlock powerful weapons and use strategic placement to stop the dinosaur hordes in their tracks. With 60 levels, varied characters, and easy-to-learn mouse-only controls, this game offers fun for all ages. Protect your steak and send those dinos packing!

"Kingdom Rush" is a defense strategy game where players protect their kingdom from invading forces across various landscapes. Players can utilize a variety of tower upgrades and abilities, as well as command troops and summon reinforcements, to fend off 61+ types of enemies. The game boasts hand-drawn cartoon art and promises hours of addictive gameplay.

"Revenge of the Titans" is a real-time strategy and tower defense game where you must defend Earth's bases from relentless Titan attacks across the solar system. Assemble defensive positions with turrets, droids, barricades, and mines, while managing funds by mining nearby resources. The game features a 50-level campaign, endless and survival modes, and numerous buildings and technologies to research.

Defense Grid: The Awakening is a tower defense game where players protect their base by building fortification towers against incoming enemies. With 8 hours of main storyline and many more in challenge modes, each level is highly replayable and can be solved in various ways. The game features 15 different enemy types that increase in strength over time, providing a wide variety of challenges.

"Super Sanctum TD is a retro-styled Tower Defense game that focuses on strategy, customization, and replayability. Carefully plan your maze and build advanced structures to defend against alien hordes, using active abilities to tilt the battlefield in your favor. Level up and gain access to Perks, allowing you to specialize your strategies and master the game on all difficulties."

Hero Defense is a fantasy tower defense game where players summon heroes and build defenses to protect their kingdom from invading hordes. Players can upgrade heroes and towers, collect loot, and complete quests to unlock new content. With various game modes, including a story-driven campaign and survival mode, Hero Defense offers a challenging and engaging experience for strategy fans.

"2112TD: Tower Defense Survival" is a futuristic tower defense game with strategic base building elements. Defend your refinery from alien invaders across procedurally generated levels with a variety of turrets and special abilities. Upgrade and customize your arsenal to survive increasingly challenging waves in this intense, sci-fi tower defense experience.

Sanctum 2 is a Tower Defense/FPS hybrid game where you protect oxygen-producing Cores from hordes of aliens. Choose from four character classes, customize your loadouts, and utilize elements from multiple gameplay genres to succeed in this intense and strategic game. Build defenses and then jump into the action to take out enemies in the FPS mode.

"MarZ: Tactical Base Defense" is a strategy game that challenges you to build a defense base and fight off zombie hordes on Mars. The game features a 20-mission story campaign, skirmish mode with customizable waves of enemies, and an intense "Outbreak" mode. Utilize powerful terraforming tools to create custom maps and share them via Steam Workshop, and research new upgrades for your towers. Recently updated with increased technology options and reworked balancing.