Top similar games like OnSlaught:

Join the war in the depths of space with Space Shooter 24! Customizable ships, realistic graphics, and breathtaking action await you. Take action now to save the galaxy.

Cratered is an open-world planet exploration game with a distinct illustrative style. Explore a star system, land on planets with your ship and walk around in first-person. Use tools to dig into the surface to find hidden items. Meteors, explosions and collisions make craters on the surface.

Starcom: Unknown Space is an action RPG of space exploration and adventure. Build your own starship while discovering an epic story in a universe of strange mysteries, alien factions and uncharted worlds.

Subdivision Infinity is an immersive and pulse pounding sci-fi space shooter featuring stunning graphics and tight spaceship game play. Hunt down and destroy enemy spacecraft, crush capital ships, mine asteroids for rare minerals, and find blueprints to craft amazing new vessels!

Be NEARLY vaporized, crushed, blown to pieces, flame broiled, and electrocuted using your incredible targeting skills and class 1 fancy flying to keep you alive in this SHMUP that brings back the essence of the classic arcade shmups!

Star Spectre is a single player space combat game with tons of exploration and numerous RPG elements. You will be free to explore and trade, as well as fight in a vast galaxy.

As Subject 247 of a mysterious laboratory, you are tasked with stepping through time portals to retrieve requested artifacts. Hunt dinosaurs, survive empire of Middle Ages, gather critical materials in streets and navigate a neon lit dystopia. Will you obey scientists or start your own rebellion?

Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.

Far Horizon is an action-adventure RPG set in the far reaches of space where floating islands, beautiful vistas, and alien creatures await. Embark on an epic adventure of exploration, ingenuity, and survival as you loot, shoot, and craft to forge your destiny among the stars.

Revival is a third-person sci-fi action-adventure where you explore a massive hub world, hunt colossal bosses, solve environmental puzzles, and salvage alien technology to repair your ship and escape a hostile planet.

Experience large space ship battles. Uncover the secrets of the mysterious alien race. Upgrade your ship or even start a fleet. Survive

Deliver Us The Moon is a Sci-Fi thriller set in an apocalyptic near future where Earth's natural resources are depleted. In an effort to solve the energy crisis, global powers created the World Space Agency and secured a promising new source of energy on the moon.

A sci-fi rpg where you are a robot that flies a ship and fights on foot to save the solar system and humanity from an artificial intelligence known as I.I.I. Has a story where you try to save the solar system or you can play waves mode where you fight waves of enemy ships.

Android Simulator: Prologue is just part of the amazing adventure that awaits you in the full version of the game. Take charge of a spaceship colony, flight route and manage the right water balance for plants, oxygen level, and spacecraft parameters to securely deliver the colonizers.

In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.

The Outer Worlds is an award-winning single-player RPG from Obsidian Entertainment and Private Division. As you explore a space colony, the character you decide to become will determine how this player-driven story unfolds. In the colony's corporate equation, you are the unplanned variable.

Alkahest is an Action-Adventure RPG set in a murky medieval world. Where satisfying melee combat with highly interactive environments takes center stage. Explore realistic locations, learn alchemy and make a name for your family.

You are stuck in an unknown place, completely alone for eternity. Every decision you’ve made, will make, and could have made somehow rattling around your head. The only thing you can understand is a rock, with a gratified picture and some text that reads ‘Kilroy Was Here’!

A single-developer passion project. A seamless full scale solar system. Thrilling action. Be part of an incredible journey as a Universe is built from the ground up!

Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.

MICROVERSE is a sci-fi action/adventure game. It includes weapons such as laser pistols, melee weapons and a 'merchant center' where you use in-game credits to buy new weapons and upgrades.

Decide between bad and worse options as you try to keep an abandoned spacecraft together long enough for a safe enough landing.

Take on the role of Nora Harwood, member of Everreach’s Security Division, on a mission to secure the colonization process of Eden and investigate mysterious incidents! Everreach: Project Eden is a fast-paced, story-driven action-RPG set on the visually stunning Planet Eden.

Precursors, predecessors, the legend of galaxy… Who are carrying the forebear’s genes among existing races, we can suppose only… Worlds of galaxy are everlasting, beautiful, unique and dangerous. Some of them are inhabited, some ruined and deserted, other - just a smugglers trans-shipment stations.

Embark on an odyssey beyond the stars in "Further," a spellbinding virtual reality adventure that defies the limits of space and imagination. Assume the role of Alex, a fearless protagonist thrust into an interstellar realm of trials, puzzles, and encounters with extraterrestrial entities.

A fallen world. A forgotten prophecy. And a stranger who was never meant to survive. Explore a vast mythical planet where alien technology and divine magic collide. Face legendary beasts and uncover the truth behind a cosmic plan written long before your birth.

Pilot your way through the deadly remains of derelict spacecraft, solve their mysteries, and get out with everything that isn't nailed down.

A hand-crafted open-world Adventure RPG set in a sci-fi colony. Explore, take on quests, fight hostile creatures in real time, and shape a branching mystery through dialogue choices. The Maroon heroine signals the Frog People with a vital tongue gesture — bridging worlds on the edge of the unknown.