Top similar games like Astrotester:

Sanctum Arcadia is a game where you must fight your way through increasingly dangerous zones filled with enemies, hazards, and mystery. Sanctum Arcadia has a unique but still familiar progression system, challenging and engaging combat, all in a smooth Arcade-like experience.

Set in the year 2078, CYBERDAD is a 2D cyberpunk gunfight dungeon crawler following a disgruntled father seeking to rescue his daughter, and exact his revenge.

Join Captain Rijk as he attempts to escape from the clutches of one of the most villainous species in the galaxy. Help to uncover the horrors that are being carried out on the fringes of the civilised galaxy and become the divine being prophesised to inspire an uprising and destroy The Domain.

Join the fight against alien invaders in Pink Devil. Pilot an upgradable fighter jet through diverse environments, from oceans to deserts. Face unique bosses with distinct tactics and use weapons like machine guns, lasers, and rockets. Become the unstoppable Pink Devil and save the planet.

A planet hopping sci-fi based adventure game filled with fighting enemies, solving puzzles and platforming.

When the Stars Threw Down Their Spears is a story-rich, retro space shooter inspired by DOS-era space games. Blast your way through fast-paced arcade combat, build out modular, upgradable ships, and explore a galaxy torn by war.

Fast-paced vertical scrolling space shooter featuring intense boss battles, challenging enemy waves, and score-driven arcade gameplay.

Battle through hordes of enemies in intense space combat! Conquer 30 challenging stages, explore 3 unique galactic systems, upgrade your ship, and unlock over 30 exclusive skins as you test your reflexes and strategy in fast-paced arcade action.

Experience the thrill of a shmup game like the arcade classics. With just the right amount of story, lots of action, and many, many bullets.

Space Waver is an action-adventure-shooter space game, with a strong bind to comics. Become a space mercenary and experience his life through multiple contracts.

Become a nameless detective in a cyberpunk city of the future. Explore an open world, face dynamic action, make moral choices, and uncover a dark, gripping story.

Asteroid is an open world action adventure RPG set in space! Explore the universe to save planets, upgrade your ship and equipment, and defeat increasingly fearsome enemies!

Lead an elite squad of heroines in this high-energy vertical shmup! Blast through enemy waves, dodge deadly patterns, and take down epic bosses as you fight to free the galaxy from the grip of the Merlian Empire.

A sci-fi top-down shooter set in the world of The Herem Saga. Fight your way through nine distinct game levels in an attempt to wrest Planet Vidalo from the Herem. Find or buy new weapons, armor, and upgrades, complete the tasks at hand, and work your way up the chain of command.

Cyberforge: First Light is a FREE developers build for our top-down cyberpunk adventure, Cyberforge! Control a trio of cyber-enhanced dwarves each with unique skills and weapons as the strive to survive this endless mode challenge. If you enjoy the Dev Build please Wishlist the Full Version.

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.

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!

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.

Galactic Explorers is a top-down 2D retro space shooter inspired by early games such as Galaxian, and Asteroids.

A warm welcome to a fresh take on classic Asteroids — blast through escalating waves of rocks, mines, drones, and alien fleets, chain combos for huge scores, and dive into a story-driven mining campaign. Full controller support. Local co-op & online multiplayer coming soon!

DRONE SMUGGLER is an old-school, top-down space shooter with ship customization, randomly generated levels & obstacles to navigate/destroy, and thematic sounds that seek to capture some of the magic of classic video game music & effects. Battle shadespace hazards and fight for the HIGH SCORE!

A challenging and action-packed 2D survival shooter. Defend yourself from dangerous enemies by piloting ancient starships, each armed with unique and powerful weaponry.

Soda Sabotage is a Sci-fi 2D top-down shooter, where the player guns his way through 25 levels and 5 bosses belonging to a soda weapon factory using their own weapons against in order to disable the evil soda weapon making factory. Shoot, dash but most importantly survive!

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.

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!

Explore the depths as you drill, craft, and fight to escape from a mysterious asteroid deep in the Veridian Expanse!

Reality is collapsing into the Null, a digital void that consumes entire sectors of existence. As the last surviving pilot, you dive into corrupted space to fight through hostile anomalies, recover lost data, and uncover the force behind the collapse before everything is erased.

Escape from Andromeda is an overhead 2D sci-fi spaceship looter shooter based in a procedurally generated galaxy. In Escape from Andromeda, every planet is a level, and every star is a part of your story.

Reclaim your empire as a Sci-fi cyberpunk syndicate.

Karma Flow 2 - Tears of a Ghost is a Noir Action Stealth game which focuses on narrative and freedom of action. Play as Florien Kealborn and uncover the truth in a game that lets you carry out missions in a way that most suits your own playstyle, making you plan things out and act as you wish.

A constant‑motion arcade shmup where you dodge meteors, blast space junk, and solve quick math puzzles — all with pure keyboard controls.

an action-packed arcade shooter that takes you deep into the heart of a computer under siege.You're the system's last line of defense.

Collection of a few arcade classics, remade with a fresh and friendly looking art style and a beautiful soundtrack.

Work, eat and survive. In a dystopian future where corporations make the rules of society, SO-108 needs to earn money to survive, until a strange phenomenon happens and completely turns his life around.

An infectious retro hardware classic from 2006 has been revived. Only you can save the world from the deadly virus known as Scurge.