Top similar games like Unstable Star:

Become humanity's last hope. Gear up, upgrade, and unleash hell in a relentless third-person sci-fi shooter against a ruthless robotic army. The future is yours to forge in fire and steel.

Turbo Shot combines a puzzle-filled top-down adventure with exciting gun-based combat that plays out in regular seasons of free-to-play single player and PvP content.

Aliens are very fond of flex. This guy is no exception, he wants to dance for you. But for that he needs space drugs for aliens. You need to kill all the guards and steal drugs.

Shot down and stranded, Skywalker and his drone Wolly must fight to survive on a hostile alien world. Scavenge, craft, and defend against relentless robotic sentinels while uncovering the secrets of the Astra Portal and the mysterious force that brought them down.

It's time for a change in perspective! Explore an adventure full of tricky action and puzzles in this third-person and top-down shooter hybrid!

Kona, an ice artist with a reputation for mischief, and Snowrabbit, a white-furred snow rabbit full of desire. After hearing the story of Aquus, the mermaid goddess, the two down-on-their-luck artists break into the monastery of Aquus, nicknamed "the sea on land," to make a statue of a goddess.

Join Orin and The Rust Wanderers in their battle against the relentless forces of the Dominant Hand. Take the fight to The Baron and his Dominant Hand Forces to free The Slaglands from his cold iron grip! Gather Scrap and grow in power on your quest to rescue your friends and gain your independence.

Alpha Force Zero is an intense top-down bullet-hell adventure that requires skill and planning. Utilize multiple weapon systems including an Auto-Turret with adjustable firing modes and unlock upgrades that you can equip in your ship to give you the upper hand. Dodge, fight, survive!

Tempest Lost is a top-down Co-op Adventure shooter. You play as one of 4 commandos tasked with discovering the truth behind many of the events in Tempest Lost. Join with up to 3 other friends for action packed story told in the Tempest Lost Universe.

Dodge waves of bullets in cover shooter + shmup-inspired combat, as you strike back with powerful attacks of your own! Use clever cover spots to gain an advantage over your enemies, find treasures to make yourself stronger, and avoid taking damage to raise your score!

Choose your ship and command it against an army pitted against you in this wave-based arcade-style bullet hell space shooter. Fight for as long as you can with powerups acquired through the catalog, and blast through everything in your path.

A side-scrolling shoot'em up, original, with beautiful 3D graphics, intense and a little wacky. In line with classics such as R-Type but with its own style to make you live an adventure full of fun! A special spaciale adventure but not only in space and not only shoot'em up...

Pragmata is a unique, sci-fi action-adventure game from Capcom. Follow Hugh, a member of an ill-fated investigation team, and Diana, a young android, as they navigate a lunar facility taken over by rogue AI in search of a way to Earth.

A fast-paced mech arena shooter mixing arcade intensity with skill-based unlocks. Unleash powerful ultimate forms, mix and match skills to define your playstyle, and master each unique combat machine to unlock their signature abilities.

1959 - Olimpia, South Italy. Play as Giove Scadenza and save your fiancée from the Inferna mafia with your newfound powers. Can you survive the Folgore ?

Hexagonal Explods is a vertical shoot 'em up game where you need to defend the earth from aliens. Collect power ups, fight funny bosses and... well... SHOOT THEM UP!

Escape From BioStation is an quirky sci-fi comedy adventure game with fast paced combat and unusual puzzles. Take the role of Rob Bot armed with your deadly super squirrel you'll explore and uncover the secret of the BioStation!

Defender's Squad is a sci-fi vertical scrolling shooter 2D that combines 7 different levels. Play Solo and pick one of the 3 ships to kill enemies and save the earth from aliens.

Enter the cockpit of your spaceship and prevent the destruction of our homeland! You and your friends have to dodge various attacks and fight many enemies. But your Twitch chat can support you in your defense and your subscribers can even accompany you as wingmen!

Cowboy Hell is a top-down, bullet hell shooter following a recently deceased cowboy and his horse as he adventures through a vibrant open world. Shoot cows, dodge bullets, collect guns, solve puzzles, and befriend characters as you work towards defeating Jeff Bezos himself!

StarHunter is a virtual reality first-person adventure shooter game where players travel to interstellar space to hunt down robots, dragons, and monsters. You will engage in fierce combat using rifles, shotguns, rocket launchers, and other weapons.

"We’re elite, undefeated, and ready for anything. But UOOHHH~ zombies?! Nobody trained us for this!" Join Squad ACCIPITER in their story and face the chaos in this isometric zombie apocalypse!

Star Fox meets Touhou in this action-packed sci-fi shoot 'em up, set to a rockin' synthwave soundtrack reminiscent of the Hotline Miami series. Pick one of five mech pilots and wield the eponymous HeartLinks to defend the Hydra Galaxy from the Omni invasion. Master yourself, master the machine.

After an asteroid catastrophe, your rocket ship crash-lands in the wilderness of Mars. Explore the planet's mysteries, strategize your escape, and build a shelter to protect yourself!

Quantum of Hope is an action-packed Twin-Stick shooter game set on Earth overrun by aliens. Use your Fabricator and different weapons to shoot your way through alien swarms to rescue mysterious Princess in distress.

Cosmo Tales is a third person, action adventure inspired by the '70s retro sci-fi aesthetic mixed with modern looks and gameplay. Use the dimension shifting ability to change between realities as you fight your way through the outer space.

Explore and fight your way through an unknown solarpunk environment in this 3D isometric RPG. Uncover secrets as you go, encounter new enemies, and acquire upgrades from fallen foes.

Stickman Adventures is a 2D Stickman Action Shooter. Fight your way through various levels and dimensions, defeating challenging bosses and enemies along the way! This game is very hard.

Welcome to WI Corp, Moddie Operator! Proceed through various levels inside WI Corp's headquarters while defending it from a perilous threat to its secrets using M.O.D.D.I.E, an high tech modular rifle, in this new single player, low-poly style, Twin-Stick Shooter.

You are tasked with servicing Terraformer Ai cores. To do this you will have to blast your way through the automated defense system. Turn the bots you come across into slag and get what "res" you can out of them as you will need it to load out your tank with different weapon and mods systems.

In the distant future, after a brutal war with machines and AI, humanity is forced to retreat underground. The Supply Collector Team is kidnapped, and the future of mankind rests on one man: Cyne Rizerous.

As Robo, you will decide the destiny of Gear Town and its robot people. Make decisive choices, explore biomes, solve puzzles and mini-games, battle hordes of robotic enemies in this cute pixel-art Twin Stick Shooter RPG, and write the Robo legend.

H.I.M. - Hobo's Infernal Mayhem is a single-player, high-octane 3D wave shooter bullet hell set in neon-soaked near-future Italy. Make a pact with the Devil, stack risky Pact Boons, and shred the Syndicate's armies to get your stolen white cat back.

Play as a spy vying to stop unthinkable destruction. Sneak, fight and trick your way through countless grunts, guards and bosses. The 60s themed comical stealth experience will challenge you to foil the destructive plans of a malevolent overlord within pre-set in game hours.