Top similar games like Onslaught on the Solar Frontier:

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.

Enter the chaotic world of Exo Helljumper: Descent X, filled with mutated foes and lurking dangers. Combine items and strategy to conquer relentless levels. Face unique foes and formidable bosses, test your cunning and skills, and feel the thrill of battle as you push beyond your limits!

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.

Blast aliens to pieces and start a rebellion in this fast paced pixel art top down shooter where sprinting kills.

Mow down the alien hordes, scout for resources and survive. Dreadnought is a mix of Action Tower Defense Survival and Shoot 'Em Up Bullet Hell where you control the ships turrets & defend against waves of enemies. Choose your weapons, upgrade your ship & brace yourself, the horde is coming.

Bullet hell meets auto-shooter in this roguelike color-matcher where RGB itself is your weapon! The Maiden of Light has been captured by the forces of entropy. Six challenging bosses stand in your way and only you can save her!

Stellar Space is a new take on a classic arcade game with a modern, rogue-like, form for new players to enjoy!

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.

A sci-fi wave-based shooter with roguelite elements. Collect powerful upgrades and unique combinations to wipe out hordes of bloodthirsty creatures and make your way into the Abyss.

Starshot is a difficult space shoot-em-up with rogue-like elements and randomly generated levels. Will you be able to upgrade your ship and pilot it to safety, or be destroyed in your search for stardust inside the automated production facility?

This is an endless interstellar war. You are sent to the battlefield by the mysterious organization to test the combat capability of the latest experimental spacecraft, and help collect as much battlefield information about the major factions as possible.

A twin stick shooter without the twin stick, Gunlocked is a sci-fi action roguelike about careful positioning and upgrade selection. Manage unique targeting systems across multiple weapons and upgrades, as you battle legions of alien ships, and then do it all over again!

A top-down space shooter roguelike set in a handcrafted, procedurally-enriched galaxy. Coming soon.

Tower Tactics Arena is a fast-paced action roguelite set in the Tower Tactics: Liberation universe. Battle relentless enemy waves in a closed combat arena, level up your towers strategically, and gather powerful trinkets and potions! Will you claim victory in the arena?

This is a rogue-like top-down shooter where you control a spaceship that is sent out to explore the caves on the Moon. Once you enter the caves, you find out that there are enemies. It is up to you to survive against them while also trying to find the path down to the next level of the caves.

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.

Astro Miners is a thrilling space action game: blast meteors to harvest resources, battle rival factions in their airspace, and survive anomalies and black holes. Exchange fragments for Credits to upgrade dual-weapon ships and unlock powerful modules. Purchase now and conquer the void!

An unknown signal pulses across the edges of deep space. Drive, shoot. Dodge, destroy!

Blast through waves of chaos in this retro inspired space shooter. Simple mechanics, high energy rock/electronic soundtrack, and a gloriously goofy tone make Nova Rebellion a cosmic throwback Back when space shooters were all the rage.

Saving scientists from silence cosmic station. Action in retro-pixel art style.

Regulators is a tactical top-down shooter where you lead a team of mercenaries to clear the city from mutating villains using your weapons, gadgets, special super powers and intelligence.

Explore a cyberpunk universe where monkeys rule. Challenge the fearsome Cyber Monkeys as you take on the role of a hero armed with a living shark weapon.

Consume the civilization of the fools who unleashed you upon the universe. Become the Empire Ender.

Become an agent of vengeance in this bullet-heaven action roguelite! You are the lone survivor of your squad, on an alien planet with just your weapon, a jetpack, and the courage to keep fighting. Kill off alien swarms and transform their valuable guts into explosive upgrades and vital utilities.

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.

You are a KING - a being with the power to travel through dimensions to save corrupted realms. Fight hordes of enemies, find the HEARTS of the KINGS, unlock new characters and discover the secrets of each dimension.

lone.AI is a space RPG roguelite. With challenging, relentless gameplay, each run has the potential to boost your ship's power, speed, and more. As a lone AI, fight your way through the solar system and uncover the secret behind the ZOSMA, an alien race that holds power over the system.

Blast your way through an endless horde of enemies in this pixel art top-down shooter. Collect their remains in order upgrade your character for increased combat abilities. Tekla is a top-down shooter with roguelite elements.

Blast through chaotic dungeons and unleash powerful weapons as you journey through the multiverse in search of a way home. Dodge, loot, and survive against deadly foes, extracting hard-won treasures to repair your ship and make it back!

Unleash hell as a xeno-hating soldier aboard a ship being hijacked by a hitherto undiscovered alien race. Xenoterrestrial is a top-down technical shooter that combines skill and strategy for a fast-paced, challenging experience offering customizable weapons, complex mechanics, and diverse enemies.

A fast-paced survivors-like shooter with roguelite elements and round-based progression. Blast your way through demonic hordes in a futuristic post-apocalyptic world, fight bosses, upgrade your weapons and abilities, and survive the chaos of the NEOHELL

Experience Celestial Contact, a captivating fusion of shooter and rogue-lite genres set in a mysterious arena adorned with beautiful 2D pixel art. Battle through waves of enemies, gather gear, conquer bosses, and enhance your character to strive for the highest score and lasting survival!

---Red---Tether--> is an action-packed “combat-puzzle” roguelite. You will tear apart massive space fleets, using nothing but your advanced tether harpoons. Pull and crash ships into another, rip their components off, then grapple-swing your way out of danger.

Extinction 1306 is a top-down roguelike shooter. You are the sole survivor after a failed experiment. You must fight off mutant insects, explore the abandoned lab, level up and find upgrades to improve your skills, and defeat bosses to reach a final threat standing in between you and saving Earth.

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!