Games like Planetary Defense: An Orbital Turret Defense System

"Utopia Must Fall" is a vector-style base defense arcade shooter with rapid progression and procedural attack waves. Players must defend the city's turret and choose upgrades wisely from a sizable tree, with options ranging from beefing up weapons to strengthening shields and deploying automated turrets. The game is easy to learn, with automatic firing, and offers fast-paced progression to suit various playstyles.

In Siege of Centauri, you assume the role of protector for Earth's first interstellar colony, located in the Proxima Centauri system. Faced with a ruthless alien invasion, you must strategically deploy defense structures and utilize orbital abilities to repel the attackers. With a variety of customization options, adjustable difficulty, and multiple game modes, this real-time strategy game offers an engaging and immersive experience within the Ashes of the Singularity universe.

"Beat Blast" is a rhythm-based bullet hell roguelite where you create your own abilities through music. Fight against big bosses, unlock items, and try to escape the MIDIverse, a virus-ridden technical realm with a soundtrack generated by you. Compete against other players in weekly high score and speedrun competitions, and see how far you can go with your own beats. No two runs are the same, offering a unique musical journey every time.

In "The Blue Flamingo," players navigate a pastel-colored world as a flamingo with a propeller hat, completing whimsical tasks and solving puzzles. Using unique movement mechanics, such as flapping and dashing, players traverse various levels filled with charming visuals and quirky characters. With no set objectives or time limits, this game encourages exploration and creativity at one's own pace.

"DubWars" is a single-player shooter game with excellent graphics and a phenomenal soundtrack. The game syncs music with gameplay, where each beat of the EDM/Dubstep songs fire unique weapons. With 10 custom-built levels, players can discover and support musicians while upgrading their weapons and surviving the rhythm. The game is best played with a Steam Controller, Xbox, or PS4 controller.

"Nienix is a Sci-Fi Shooter game with physics-based bullet hell combat and action RPG progression. Play single-player, co-op with up to 6 players, or PvP with up to 40 players. Experience an epic journey through procedurally generated galaxies in search of the mythical artifact Nienix, with character progression systems and unique items to suit various playstyles."

"Starr Mazer: DSP is a single-player Science Fiction Action game with outstanding gameplay, awesome graphics, and a wonderful soundtrack. In this side-scrolling shoot'em up, you control a squadron of pilots with diverse skills and weapons, battling through nine intense levels to take down the G'ell Super Ship. The roguelike twist on the lives/continues system, combined with the ever-evolving SK:ORE system, ensures that the fight never ends."

"Battlevoid: Harbinger is a hard sci-fi space exploration game, combining turn-based strategy, real-time space battles, and roguelike elements. As a young commander, lead your fleet to unknown galaxies, making decisions about fleet and equipment while dealing with surprising elements and battling for survival. Strategy, tactics, and resource management are crucial in this challenging space adventure."

Galactic Glitch is a twin-stick roguelike shooter featuring physics-based combat where you manipulate the battlefield with a gravity gun. Sling asteroids, deflect enemy rockets, and launch foes into each other while exploring hostile space, unlocking new abilities, and discovering secrets. Smart strategy and build crafting are key to overcoming permadeath challenges.

"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.