Top similar games like Cosmic Coliseum:

COMBINE WEAPONS in the microscopic shooter with macroscopic depth. BUILD YOUR NANOBOT from hundreds of parts. SURVIVE the microbial onslaught once more in this psychedelic dive to the Abyss, full of mutations, minerals, anomalies and powerup polyps. SHMUP mode turns it into a vertical shoot 'em up!

Launch into a fierce roguelite action in this top-down twin-stick shooter with bombs! In a robotic world, control Lizzy and their team of unlockable beasty bots in a quest for upgrades. But beware, needed resources are guarded by swarms of Steel Sentinels. Survive them to craft synergistic builds.

In Deadline: Aphelion, you play as a mercenary tasked with defending the research facility from the hordes of alien spiders that have been drawn to it. 

Pilot disposable combat drones through the Primal Portal in a sci-fi action roguelike. Customize your drone, fight through various missions, recover research data and alien technology to enhance your drone setup for the next session.

CIPHER 61 is a fast-paced, action-packed top-down-shooter, with tons of temporary and permanent upgrades. Can you make it through all 61 rooms?

A broke bounty hunter. A sarcastic robot. 1,000,000 credit debt. Star Scrap is a chaotic twin stick space roguelite. Blast through increasingly difficult waves of enemies to pay it off.

Flood the arena with bullets. Dash, shockwave, and mow down endless robot hordes at breakneck speed.

Create your own combat style and challenge 56 bosses in a fast-paced robot action roguelite. Upgrade your weapons and combine skills to complete powerful builds.

Tankmageddon is a fast-paced roguelike tank game where you play as Ed, a pilot and mechanic on an Earth facing invasion. A ruthless A.I. has built a tank factory on the Moon and plans to wipe out humanity. Face hordes of enemy machines and use their parts to defeat them.

Consume the civilization of the fools who unleashed you upon the universe. Become the Empire Ender.

A new threat arises! Will you stand up and protect the planet?It’s time to SUIT UP, survive an alien invasion and protect your loved ones in a world where Wave Survival, Twin Stick Shooters, RPG and Roguelite come together in one epic mashup!

Core Breach is a fast-paced, twin-stick arcade shooter in a pixel art style. Play as a Trojan worm virus, outmaneuvering and destroying antivirus enemies. Upgrade your worm with powerful attacks and skills as you fight to breach the CPU core and uncover its secrets

A fast-paced twin-stick extraction shooter where you fight through procedurally generated space stations, grab Tech Cores, stack perks, and race to escape before the threat overwhelms you.

Chickenauts is a companion based, action roguelite game where you battle evil Alien Chickens who've abducted your beloved flock. Free and mutate your chickens to defeat a myriad of foes, explore various spaceship environments and unravel secrets of the Chickens from outer space!

Code of Shadows is a fast-paced roguelite where you don't just deploy drones, you command them. Switch modes mid-fight, fuse drones into stronger ones, and cut through rift-spawned hordes across collapsing dimensions.

Wukong 2088 is a survival rogue-like game where you play as the secret weapon of Sun Wukong in futuristic Journey to the West. You will resist the invasion of the Cyber TianGong, face endless waves of enemies and bosses, defeat them, and strengthen yourself to fight against the powerful Mega-Corp.

Shatter overwhelming cube swarms in a fast arena-survival roguelite. Aim your evolving arsenal, conquer five hazardous zones, destroy their Guardians, and climb five Fracture difficulty tiers—solo or in two-player local co-op.

Defend your base on Mars from invaders in Residuum. A thrilling mix of tower defense and shooter gameplay, upgrade weapons and choose your crew for a unique experience each time. Play with a friend for even more excitement!

Gun Garden is a dungeon crawler top-down shooter with roguelike elements. Explore rooms, find gear, fight enemies, and level up your stats as you progress through the various floors, attempting to find what lies at the end of the Gun Garden.

lone.AI is a space RPG roguelite. With challenging, relentless gameplay, each run has the potential to boost your ship's power, speed, and more. As a lone AI, fight your way through the solar system and uncover the secret behind the ZOSMA, an alien race that holds power over the system.

Defend your Lifenode from waves of Scrollers, Trolls, and Doomscrollers in this chaotic 2D arena shooter. Upgrade, survive, and beat the algorithm.

Vault Apocalypse is a top-down, roguelite twin-stick arena shooter where you fight hordes of monsters while assembling powerful, synergistic builds. Pick your weapons, refine your build and destroy the keepers of the vault.

You are a friendly-but-deadly Mech on a journey searching for your missing pilot in this action-packed roguelite shooter. Choose your missions and rewards, research skills, equip expansions, mod your weapons, install plugins, customize your looks and stylishly cut your way through hordes of evil AI.

Mother Nature has no mercy! Turn bug swarms into fertilizer as a mutated plant. Take root, evolve, and create your garden of death with unique combos. You are the top of the food chain in this chaotic arena!

Echoes of Elpis is a twin-stick shooter sci-fi roguelike. Upgrade weapons, discover new tech, and uncover a secret past as you battle through Elpis on an epic treasure hunt.

"Epsilon Zero" is a fast-paced top-down action roguelike shooter where every mission is an all-out assault. Use devastating weapon combinations, unlock powerful upgrades, adapt your tactics, and exterminate everything standing in your way.

You are a tiny security agent inside a hacked corporate network. Blast through server rooms infested with worms, botnets, trojans and ransomware, pick upgrades, and reach the Core Server in this fast top-down roguelite.

Space Ace is a 2D top-down shooter that focuses on upgrading your ship to fight through levels of Bosses and smaller enemies. Play with keyboard + mouse or Xbox controller.

Collect synergizing items to create an overpowered character to fight hordes of cyclops monsters. Cyclo Chambers is a fast-paced, top-down arena shooter with light rogue-like elements. 150 items to choose from to create frantic combinations. Different runs every time.

One bathroom break doomed you to work forever. Recruit employee clones, merge them into stronger coworkers, build your ever-growing office train, collect powerful ID badges, and escape the endless corporate death loop.

CYBRID: Survivor - is a single-player shooter with survival elements. Use your entire arsenal, fight hordes of robots, mine resources and unlock powerful upgrades as you clean up the streets at night. You are alone, against everyone!

A fast-paced roguelike top-down shooter. Take control of a badass in a wheelchair in this post-apocalyptic combat arena. Master the game's unique controls and upgrade your weapons to become the champion.

JERONIMO is a roguelite shooter where you play as the Eraser against your eternal enemy: the Drawer, a frantic pencil who summons waves from his rolling lab. Wield up to 6 unique weapons, stack broken builds, and crush the hordes. Every enemy is a drawing from my 6-year-old nephew's notebook.

"You're Invading My Space" is a fast paced, space themed, wave survival game where every run is unique. Fight off endless procedurally generated enemy swarms, upgrade and unlock your ships and weapons, and push your limits as this angry galaxy throws everything it has at you.

Zap, blast, loot, repeat in this procedurally generated twin-stick arcade-shooter. Fight aliens, fight robots, fight anything that moves and a few that don't. Then loot them all.

The aliens have arrived. It's your time to defend the planet. Shoot the aliens, upgrade, be faster, stronger, smarter. Repeat.