Games like Protect the Earth

Astebreed is a single-player Science Fiction Shooter game with a spectacular story, stunning gameplay, and awesome graphics. The Definitive Version includes major updates such as new "Arrange Mode," improved graphics and 3D models, additional episodes and music, and optimized controls, available for PC and priced at $19.99. As Roy Becket, a young pilot, experience a thrilling story with intense shoot-em-up action, beautiful visuals, and a spectacular soundtrack.

Steredenn: Binary Stars is an award-winning rogue-like shoot'em up game with intense boss battles, randomly generated environments, and a vast arsenal of weapons. Experience quick, challenging sessions with upgrades and space events, available now on PC, Xbox One, PS4, Nintendo Switch, and iOS. Receive critical acclaim with user ratings around 90% on Steam and an average press rating of 8/10.

Sodaman is a sensational single-player science fiction RPG with a good plot, marvelous gameplay, and humor that will make you laugh. Play as Sodaman, who must recover the last fresh sodas after the Sodacalypse caused by Entity-X, using diverse soda powers, customizable weapons, cybernetic augments, and power-up cards to build unique strategies and defeat alien foes.

Space Elite Force II is a fast-paced, space-themed shooter game that offers intense combat and strategic gameplay. Players take on the role of a pilot fighting against an alien invasion, using a variety of weapons and abilities to take down enemies and protect humanity. The game features a single-player campaign and online multiplayer mode, with stunning visuals and customizable ships to enhance the player's experience.

"Aqua Kitty: Milk Mine Defender" is a fast-paced, retro-style shoot-em-up game. Players protect a school of cat milkmen from robotic enemies while they extract milk from the ocean floor. With upgradeable weapons, power-ups, and multiple levels, it's a challenging and fun experience for fans of classic arcade games.

"Titan Attacks!" is a classic arcade-style shoot 'em up game with modern features. Protect your planet from hordes of invading aliens, using a variety of upgradable weapons and power-ups. Experience the thrill of survival as you battle through increasingly difficult levels, with boss fights at the end of each stage. The game features retro pixel art graphics and a chiptune soundtrack that heightens the nostalgic feel.

"Project Nimbus" is a high-speed mech action game set on a futuristic Earth devastated by war. Players control a weaponized Battle Frame, engaging in battles against enemy units, huge bosses, and unique ace pilots. With over a dozen playable Battle Frames, 26 missions, and various weapons, experience the story of a young ace pilot fighting in a war between three different factions.

"Enemy Mind" is a side-scrolling space shooter for PC with a classic 8-bit art style and 8 levels of challenge across 70 waves. As a being of pure psychic energy, you can take over and control any of the 20+ unique ships you encounter, each with their own power and ability. The game features an adaptive story system that changes with your play style and offers multi-player co-op for up to four players. The soundtrack is an original chiptune-inspired creation by Rainbow Kitten.

"Fly and Destroy" is a fast-paced bullet hell shoot 'em up where you pilot a spaceship to destroy asteroids and face off against a final boss. Navigate through treacherous traps, collect power-ups, and combine abilities to pull off skill shots and devastating combos. Compete against friends, challenge yourself on the highest difficulty, and prepare for frustration and broken keyboards.

"Star Command" is a single-player casual game with an intriguing story and ingenious game mechanics. Its marvelous visuals and compelling soundtrack, along with plenty of grinding, will keep you engaged. Despite some bugs, the game's humor will make you laugh, and it's currently celebrating the winter holidays on Google Play.