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.

Infiltrate a classified research facility and unleash the Razorform, a time-warping entity from a dimension of nightmares and chaos. Spray gunfire, uncover military secrets, and slice through enemies with electrified blades. The Razorform is a single player atmospheric sci-fi action game.

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.

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.

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 ?

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?

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.

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!

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!

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.

Razor Squadron is a vertical arcade shoot 'em up set inside a colossal fleet war. Shift power between machine guns, lasers, and missiles, rescue wingmen in battle, switch formations on the fly, and push through the MAW's invasion.

The bug menace is here! Select your weapons and enter your mech to fight off the endless hordes in that action packed top-down shooter!

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.

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.

VOID SKIRMISHER is an arcade co-op shooter for up to 8 players: jump the gate before the front line even exists, and face down hostile fleets as the first wave out where nobody's been before.