Top similar games like System of Sentinels:

A pixel-art action RPG and independent spiritual successor inspired by Metal Max on the Famicom. Pilot a transforming ferry-mech, explore Mars and nine other worlds, customize weapons and skills, and uncover the mystery of pilot 404.

A space action-adventure unlike any other: navigate your spacecraft through a galactic-scale mystery. Make sure to loot, craft and upgrade your space fleet. Play the story campaign or test your skills in vicious arena modes against AI opponents.

Control your Hero to aid your Turrets and Traps in battle in this grim, dark Tower Defense & Action RPG with a scifi-grindhouse aesthetic. Create deadly weapon barrages and fuse together Bleed, Burn, Shock, Freeze, Stun and many more elements to annihilate your enemies.

Landinar: Into the Void is a top-down space-adventure-RPG. You are recruited as a rookie bounty hunter in the oppressive Landinar Empire. On your journey through the quadrant you will meet diverse characters, build your own spaceship and choose your battles.

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.

Explore the farthest reaches of Human Space in this open-world space adventure. Compelled to journey to the Galactic Core by a mysterious hyperintelligence, you must fight your way through dozens of star systems teeming with clashing empires, expansionist AIs, and fearsome xenophobes.

Take control of Nara on a quest to destroy the dark cult that created her. Unlock devastating weapons & mind-bending abilities in an evolution of the space-combat shooter. Along with Forsaken, her sentient starfighter, explore ancient temples, engage in zero-g combat & venture beyond waking reality.

Twenty years ago, the paradise was revived. After the signing of the "Tide City Peace Agreement", the Atlantic United States and the Blazing Sun Empire hired desperate individuals to delve into the cursed inner islands in search of those lost angels.

Blast your way through an Isometric Open World Galaxy. Fly seamlessly to space. Lead your chosen faction in ground and space battles. Stop the imminent Collapse of civilization... Or let it all fall into ruin.

Travel through space in your own spaceship, land on planets and moons, talk to NPCs, perform various tasks, collect scientific data, gather minerals, acquire better equipment, upgrade your ship, advance your skills, and delve into the main storyline.

An underground adventure with magic and fantasy-like monsters with a story where actions affect the outcome

Suddenly thrown into an unknown galaxy, you must explore, fight or befriend aliens and transform your ship from a small survey vessel into a powerful battlecruiser to unravel the mystery of the forces that brought you here and find your way home.

You are a pilot, seeking revenge on your deceitful father who threw you into unknown space. Can you find your way back and get revenge? Experience a mix of 2D topdown space adventure and explore planets to discover quests, negotiate trades, mine, hunt and survive in an expanding universe.

◼️Fragments, an action-adventure RPG where puzzle-solving and survival take center stage. Your mission is to uncover elusive fragments of your memories, unraveling the intricacies of your current existence and the extraordinary nature of being a mnemonist

Explore a vibrant world in this action adventure RPG where you get embroiled in a war between the 7 major races of the rainbow world.

BlazeSky is a space opera action RPG that tells the story of one person changing the fate of an entire galaxy. Explore stunning hand-crafted star systems, fight against strange alien races, and negotiate with key allies in this fully voice acted epic adventure.

The One: Am I? is an adventure Top-down RPG. Born in the heart of an experimental machine, you become a being extraordinary and unknown to the world. Embark on a dangerous journey, flee from enemies, uncover the secrets of your nature, and explore hazardous areas.

Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.

Oldschool action open-world sci-fi with a unique storyline, frenetic battles, crude humor, loose morals and cows.

Liberty Fighters is a fast-paced top-down extraction shooter with mixed RPG elements. Explore the vast open world space, loot gear or materials and sell it for the best price. Upgrade ships or buy new ones to fight in action tense space combat missions.

Locked away in the most secure prison in the galaxy, with little hope of escape, Gail Pilgrim faces the most difficult ordeals of her life. Her only hope lies in trusting those who she has come to regard as her friends.

A lo fi space salvage game. Strip dead warships for parts, fuel and gear. Fit your ship, manage your heat, and fight the machines that still hunt out here. Two hundred star systems, thousands of rolled drops, stations to build up. Made by one person. Trust nothing. Stay adrift.

Volatile is a space exploration adventure game which, at its core, plays with the importance of actions and consequences.

SpikerMan is an RPG with a large explorable world, colorful characters, and uses the LMBS (Linear Motion Battle System), a combat system that takes place in real time. Use a variety of attacks that can be equipped at once by using a combination of one button and holding down the movement buttons. 

3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.

A Gameboy Color and Anime inspired adventure game with RPG elements. Find magic powers on the go and obtain special ones to defeat your enemies and clear puzzle-filled dungeons in a semi-open world of dreams and nightmares. The Story of a NEET guy who suddenly acquired magical girl powers.

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!

Repair your spaceship, explore mysterious planets, battle strange creatures, and survive in this sci-fi sandbox RPG where every journey becomes a new adventure.

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!

Rise of Sectors is a top-down sci-fi action RPG about exploration, real-time spaceship combat, quests and progression. Play solo or in online multiplayer PvP, manage your equipment, adapt your loadout and uncover what awaits across the sectors.

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.

Lead a squadron against the Drone invasion in a top-down space shooter with RPG depth. Take contracts across three galaxies, outfit and upgrade your ship, recruit wingmen, and push the story through to the Nexus.