Games like UFO!

"Iron Sky: Invasion" is a single-player Historic Real Time Strategy game with excellent game mechanics and stunning visuals, set during the movie's main conflict. As a pilot of a prototype spaceship, defend Earth from the Nazis' space armada in thrilling dogfights, with good music and humor to boot. The ultimate goal is to protect humanity from falling under the Nazi yoke.

"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.

Eterium is a single-player Science Fiction Shooter game, reminiscent of 90's classics like Wing Commander and X-Wing. As a pilot in the United Earth Alliance, battle against the vicious Revi alien race in over 50 story-driven missions with advanced AI, customizable joystick support, and 3D cockpits. Experience intense space combat with dynamic difficulty, ship damage system, and asteroid fields in this modern take on space flight sims.

Super Captain 3D is a shoot-em-up game where you become a Super Hero ready to fight the Pixel Invaders. It features an art style that combines 3D pre-renders with 2D pixel art. Use your Superpowers to protect the Universe!

Strike Suit Zero is a space combat game that places you in the cockpit of a transforming fighter jet. Engage in fast-paced aerial battles, switch between hover and flight modes, and utilize advanced weaponry to defeat your enemies. With a variety of missions and intense space combat, it's a must-play for fans of the genre.

"Terminal Velocity" is a high-speed combat flight game with 9 planets and 27 levels, offering full 360-degree movement and realistic environments. It features 7 destructive weapons, power-ups, and intense air-to-air and air-to-ground combat. Developed by the former lead programmer of Microsoft Flight Simulator, it provides a fast frame rate and easy-to-learn controls.

"Reassembly" is a single-player Science Fiction Strategy game with good mechanics, fantastic visuals, and exceptional music, but a lackluster story and heavy grinding. Players craft and customize their own spaceship, battling a variety of alien races in a procedurally-generated universe. The game offers high replayability and unique atmosphere, but can be buggy. Growth and evolution of your ship adds a fresh twist to the strategy genre.

Space Pirates and Zombies is a top-down, open-world action game set in space. Assemble your own fleet of ships and engage in strategic combat against space pirates, zombie-infested ships, and other threats. Explore the galaxy, mine asteroids, complete missions, and upgrade your ships to build a powerful armada. The game features a dynamic campaign, procedurally generated galaxies, and a rich, emergent gameplay experience.

"Inbound is a single-player Science Fiction Action game with amazing graphics, bringing 80's missile defense arcade games into the modern era. As a defense commander, protect asteroid colonies from saboteurs by timing volleys of phaser fire and using a time distortion button to slow down attacks. Experience non-stop, 2-handed arcade action in a beautifully immersive VR landscape, perfect for fans of Space Pirate Trainer."

"Asteroid Bounty Hunter" is a space shooter centered around the veteran hero John and his AI spaceship. The game features unique boss fights, defense of nearby planets from asteroids, and battles against other bounty hunters. The concept revolves around farming experience for upgrades and collecting mastery points from rival ships. — NO RELEASE DATE OR DEVELOPER/PUBLISHER MENTIONED.