Games like Biota Swarm

Assault Android Cactus is a vibrant, arcade-style shooter where players control android heroes fighting against waves of robotic enemies. With a variety of distinctive characters, each with unique weapons and abilities, the game offers a dynamic and engaging experience. The game features a campaign mode with high replay value, as well as local co-op for up to four players, making it a great choice for fans of frantic, action-packed gameplay.

An old robot named H-34-RT wakes up in a derelict space station orbiting his home planet. His civilization was destroyed long ago by evil O'Xelg, but he has yet to figure that out. After an initial shock, he decides to follow his old defense routines: that means fighting the invaders, even if he is alone now. Lazy Galaxy: Rebel Story is a challenging, squad-based shoot-em-up/bullet hell rogueli…

"Uragun is a single-player Science Fiction Hack and Slash game with stunning visuals. As a Mech unit, you must navigate through a world overrun by corrupted AI, with the goal of finding your missing pilot friend. Levels feature handcrafted design and randomized enemy placement, providing unique challenges in each playthrough, and allowing you to research new skills, mod your Mech and its weapons, and customize your Mech's look."

"Swarm Grinder" is a fast-paced, procedurally generated game where you navigate an alien mining system filled with hostile bugs. Your goal is to collect upgrade parts and extract valuable resources while avoiding being overwhelmed by the constantly changing and evolving swarms. With a variety of skills and upgrades to choose from, you can customize your playstyle and build unique synergies to help you survive and thrive.

Cryptark is a 2D sci-fi shooter with single-player and local co-op modes for up to 2 players. Board and neutralize procedurally generated alien starships to earn income, with over 70 weapons and items to help you on your mission. The game features an intriguing story, great graphics, and an outstanding soundtrack, but beware of grinding and bugs that may hinder your experience. High-score leader boards allow you to compete against other players.

"Stellar Interface" is a rogue-like space shooter with ever-changing space battles and a synergistic perk system. Explore the randomly-generated galaxy, collect over 100 perks and consumables, and complete over 100 missions for the StellarNET Entertainment System lottery. Your journey will be unique each time, as no two plays are the same. The goal is to find the most outrageous perk combination to defeat the Last Overlord.

In "Tesla vs Lovecraft" , play as Nikola Tesla, harnessing static energy to power up your Tesla-Mech and combat Lovecraft's monstrous army. Utilize your inventions, such as Quantum Teleportation, to turn the tables on his nightmarish creatures and prevent their reign of terror. This intense top-down shooter promises a challenging and exhilarating experience.

"XenoRaptor is a Science Fiction Shooter game where players control cyberdragons, annihilating enemies in high-speed, skill-based action. The game features 2-player local co-op and up to 8-player online multiplayer. Design your own weapons and engage in strategic combat against cunning AI enemies, with the ultimate challenge of taking down massive bosses."

Whisker Squadron: Survivor is a rogue-like action game where you play as a cat fighter pilot facing off against an alien invasion. You'll upgrade your plane and captain, battle through randomly generated stages, and take on giant bosses in intense bullet hell combat. With procedurally generated content weaved into a campaign, no two runs are the same in this feline-themed shoot 'em up.

Syder Arcade is a fast-paced, old-school shoot 'em up game that pays homage to Amiga games of the 90s. It offers a challenging and uncompromised experience with no coins or grinding, focusing on player skill and dodging a barrage of enemy fire. With its fierce action and classic design, Syder Arcade provides a nostalgic trip back in time for seasoned players and a benchmark for newcomers to the genre.