Top similar games like a.sector:

Top-down science fiction space shooter game with story inserted into dark space of universe.

Fight for survival in ANOMONAUT, an experimental shooter where each player only has one chance--for real!

Geometry Nexus is a neon action roguelike where your weapons fire automatically. Dodge enemy swarms, collect upgrades, trigger Overdrive, grow stronger between runs, and survive ten minutes to defeat the Nexus Guardian.

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.

Engage in an intense space shooter that you can play in single-player or multiplayer with up to 6 players. Play a variety of different spaceships, each with their own unique stats, components, and playstyles!

Crush the enemy team with your allies or plunder the Gilded Spire alone in this 2D platform-shooter. Customize and play as one of seven characters with unique mechanics and items.

Frantic 4-player laser ricocheting top-down shooter. Keep it casual and enjoy the chaos, or master the surprisingly deep mechanics to obliterate your enemies. Duke it out locally in free-for-all or 2v2.

Children of Apollo is an exciting twin-stick shooter in a short, arcade style format using a blend of classic and modern gameplay elements. After the Apollo missions humans send an expedition to explore Mars but things go terribly wrong.

Fight by yourself or with friends to survive a gauntlet of enemies in set stages. Collect items to empower your character and take down enemies quicker. Play as multiple different characters with varying play styles. Fight strong bosses that reward you handsomely with more money than normal enemies.

Teeworlds is a free online multiplayer game, available for all major operating systems. Battle with up to 16 players in a variety of game modes, including Team Deathmatch and Capture The Flag. You can even design your own maps!

Cellosseum is a bullet heaven following the progress of a lone cell as it battles a variety of enemies on its quest to guide the evolutionary process of life itself. Upgrade your attacks, shields, health, and speed to understand your role in the creation of life on the planet of Ceres Prime.

Brutal twin stick shooter with fun and clever enemies. Also has roguelite and Sci-Fi stuff.

Wisp Catacombs is a creative top-down roguelike - play as Wisps, solo or with friends, and use their powers to explore worlds, defeat bosses, and uncover the mystery of your creator to fix everything in this chaotic universe...

A top-down action game like no other. Use asteroids to block enemy bullets and smash enemy ships in this physics-based test of skill. Conquer 25 levels, vanquish 5 bosses, and maneuver through 5 tricky bonus waves.

Co-operative multiplayer game and complete code base available for free.

Stake your claim, command your fleets, and wage epic war in space.

Cosmic Paradox: Noire is a 2D top-down shoot ‘em up adventure set in a world of two overlapping dimensions. Witness the battle between the Vex Accord and the Oronix Empire, increase your odds of survival with the right upgrades and choose a ship that is best suited to your playstyle.

Repel extraterrestrial entities!

After the Earth exploded, the fate of the Earth is in your hands. By creatively building your own spaceship, you'll fight your way through space against pirates. On your journey you will meet many different life forms, some with good, others with bad intentions.

Defend Spacebase 19 from the asteroids swarming down on the station! Shoot down waves of stones and equip different powerful weapons. How many waves can you last? A simple nostalgic retro arcade turret defense shooter.

Criminauts is a co-op sci-fi action game where a crew of misfits must build, maintain, and pilot a spaceship to survive in a hostile universe. As Criminauts, you have been tasked by the Conglomerate to combat the rising robot threat in an under-equipped spacecraft in exchange for your freedom.

A 3D Sci-Fi space shooter game where you fight against big flagships and bases to unlock the secrets of the world.

A physics-driven sci-fi destruction roguelite. Orbit hostile worlds, unleash devastating weapons, and carve real craters into fully simulated planets while escalating planetary defenses fight back.

AstroWar is a fast 2D multiplayer space arena shooter. Create quick lobbies, customize your ship, add bots, dodge meteorites, grab power-ups, and fight through chaotic battles across a wide starfield.

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.

A top-down, fast paced hero shooter. Kill tanks to upgrade yourself and become an undefeatable killing machine. Fight friends or foes in multiple engaging gamemodes and become the best of your kind.

Explore open space, discover mysterious planets, and clear intense space-shooter levels to gather resources. Upgrade your spaceship and harvest raw materials across the cosmos to build modules that unlock powerful special abilities.

Join four elite C.A.T. pilots in explosive 4-player co-op action! Fly through procedurally generated galaxies, unlock devastating weapons, combos, and upgrades, and fight to rid the cosmos of an ancient alien scourge!

Go on a quest to restore life to the world in this retro inspired shooter! You must be skillful and tactical as many will try to stop you! You are an exile after all which is a death sentence. But things may be as they seem on this journey.

NEON STORM is a fast-paced top-down Roguelite bullet hell shooter. Pilot your fighter, auto-fire through waves of enemies, dodge deadly attacks, and build powerful upgrades. Survive each run, unlock permanent upgrades, defeat bosses, and chase your highest score!

This is an interactive team play game. We could escape from the dragon. But unable to walk away from the suffering friends, we finally decided to return to the dungeon to save them all. Deep in the darkest shadows of the dungeon, we must put our powers together to rescue our friends…

Rock 'N Roll G.E.O.S. Wars is a completely new dimension of the original Rock 'N Roll game. In this game, players can work together to vanquish the space rocks that threaten Earth... or they can choose to face each other in a wide variety of duel modes!