Top similar games like UJO Invasion:

Autopanic Zero is a challenging minimalist twinstick shooter survival game designed for those who enjoys a sweat. A quick 10 minute fun.

Dead End Job sends you into a madcap, Ren & Stimpy-esque world to bust up ghosts. It’s a procedurally generated, couch co-op, twin-stick shooter that straps a vacuum pack to your back and puts a plasma blaster in your hand. For you, it’s just another day in the office.

Blast your way through relentless swarms of insect robots in this fast-paced top-down 3D arcade shooter inspired by classic twin-stick legends like Robotron. Fight your way through increasingly dangerous levels packed with waves of deadly robotic insects, massive bosses, and non-stop action!

Fight gigantic hordes of goblins with a supercharged vehicle and arsenal of crazy weapons, in a chaotic physics-based battle for survival

Cheftastic!: Buffet Blast is a new exciting top-down arcade shooter! Take back the Isle of Verdura from swarms of mutant vegetables and climb your way to the top of the leaderboard!

A twin-stick arena shooter set in an arctic wasteland. Fight through a cult swarm, break the guardians, and kill the leader before the ritual completes. One continuous battle. No second chances.

Spinwave Survivors is a fast-paced survival shooter with roguelike elements. Scoot, shoot and boost your way through hordes of drones as you upgrade your weapons and unlock new abilities, all while attempting to survive the chaos.

Bugs attack. You eat tenth breakfast. Bugs attack. Bureaucracy kills half the bugs. Bugs attack. Mom reminds you to take your vitamins. Bugs attack. Yoga is worth the pain. Or is it? Bugs attack. Bugs attack.

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. 

We are now going into open beta, free to play. This is a 5 year long project by 1 developer. Local 4 player shared screen and Controller support is still early, and results may vary. Internet play has been added, and offers different modes of play like battle royal, timed, etc..

In this action-packed twin-stick shooter, construction worker Ron Mayhem's beloved pet, Puffy, a rather round and yellow puffer fish, has been captured by the forces of evil. Slay the hordes, collect mad loot, and bring Puffy back!

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.

Veterans Online is a thrilling top-down twin-stick shooter suited for both casual and hardcore players, featuring fun warfare with easy to learn but hard to master mechanics.

Tomb of the New God is an isometric action shooter roguelite. Explore a vast underground cave network long forgotten since the apocalypse. Collect items, weapons and powerful abilities to combat the inhabitants of the forgotten caves as you attempt to reach the source of a mysterious energy source.

Sarge is BACK. Tactical roguelite top-down shooter. Infiltrate bases, plant flags, choose your loadout, and hunt Racabat. High replayability. Free demo available.

Fight in an arcade arena against tons of enemies with weaknesses to be exploited. Progress through a campaign of 75+ levels each presenting a new challenge with different win and fail conditions. Gameplay so tight and colorful it will bring tears to your eyes.

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.

Single-player 3rd-person action heist game. Infiltrate banks, outmaneuver enemies, execute high-stakes heists. Engage in intense shootouts, utilize diverse weapons, navigate dynamic environments. Can you become the ultimate Heist Force?

A casual arena tank shooter where you clear stages as quickly as possible, collect and upgrade unique tank parts, and master dual‑weapon combat with tactical map interactions and AP management.

Pixel Breach is a competitive 2D top-down pixel shooter built around tense bomb-defusal rounds. Manage your economy and loadout, use smoke, sound, and shared sightlines to gather information, and coordinate with your team to plant or defuse the bomb.

Frantic Dimension is a retro twin-stick shooter inspired by the earliest twin-sticks, 'Space Dungeon' and 'Robotron 2084'. Never stop moving and shooting... or you'll die.

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.

TV Boy is an action packed top-down shooter. Blast waves of weird and whacky enemies with even weirder weapons to rescue the captured citizens of TV Topia and restore peace to the galaxy!

Survive increasingly difficult rounds in a floating arena. Use weapons and powerful abilities to knock enemies into the void before they launch you off the edge, build your loadout during each run, and beat your highest score.

An action roguelike set in sci-fi space where dinosaurs, dino-tech weapons, and chaos collide. Reclaim your honor as Captain TTT, fight deadly Brocolites, rescue your crew, and conquer the Inner Space.

Rabengeist : The Tale of Lizzie Ulm is a Top-Down Action-Adventure where you journey through a world inspired by the writings of Edgar Allan Poe and use the enchanted Book of Ravens as a weapon against hordes of demonic creatures and enemies in a quest for revenge.

WE ARE DOOMED is a twin-stick shooter where you zap polygon baddies with an absurdly overpowered laserbeam. Dive head-first into the action with reckless ambition, charge the SUPERBEAM, and zap everything out of existence in an instant.

A sci-fi top-down score chaser where score multipliers stack up the faster you eliminate.

Warix is a fast-paced 1v1 territory capture fighting game set in a dark, microscopic world. Control a glowing cybernetic nanobot, draw trails to claim turf, and destroy your rival in high-speed combat. Parry bullets, steal boost, and outsmart players online or battle a relentless solo AI.

This is a flight shooting game that is extremely exciting and intense! Use the powerful firepower to suppress the enemy and fully enjoy the fun of the intense battle!

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.

Poly-Vinyl Pests! takes place many years in the future, where humans are long gone but plastics still litter the earth. Play as two ants from rival colonies in this twin-stick shooter to both squash plastic-laden pests and to prove the superiority of your colony!

Pilot through relentless waves of hostile forces in this fast-paced space-themed, bullet hell, survival shooter. Build your own UFO in the Ship Creator, Survive through a 100-wave campaign, or test your limits in Endless Mode. How long can you survive?

Hot Stuff is a casual action oriented party game, with procedural elements and simple controls, suitable for different types of players to quickly pick up and play together, achieving cooperation within the chaos.