Top similar games like Perihelion: Rogue Orbit:

Build your ship, escape the swarm, survive for as long as you can. When you are finally defeated, upgrade your technologies to survive longer next time. Escape from Zeta Aurigae is a sci-fi ship builder with rich meta progression.

Fight as the owner of Hookscrap in a thrilling 2D rogue-like. Unleash the power of your Harpoon, by launching ships & asteroids at enemies. Upgrade your ship with loot from your foes, and become even stronger. Explore 5 unique levels in a randomly generated map & take down the fearsome SC Judgement!

A top-down twin-stick shooter roguelite blending frenetic spaceship combat with deep base-building and tower defense. Fight through hostile territory, scavenge hardware, upgrade your ship, then build up your station to further empower your runs... as long as you can defend it. Godspeed, Commander.

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

Gravity Slugger is an arcade-style wave defense game where you use gravity and orbital mechanics to fling projectiles at attacking enemy spaceships. Dodge enemies, gather salvage, and upgrade your skills with chaotic and deadly abilities in this physics-based 2D game.

Fight to survive in this intense twin-stick shooter! Hold off against increasingly dangerous waves of enemies by equipping yourself with items, sentries, and drones. Piece together ridiculously powerful builds by finding creative item synergies and unleash hell to defend the outpost at all costs!

Survive in space in this action roguelike with RPG elements where you use your strategy to combine design, weapons and passive skills, shaping your ship in your style, facing increasingly powerful enemies.

In Invaders Loop, which combines classic arcade spirit with roguelite mechanics, survive relentless waves of enemies raining down from the depths of space, dodge bullets, equip yourself with various items from the market, and defeat epic bosses.

BAFTA award winning fleet-based RTS meets rogue-lite. In Distant Star: Revenant Fleet, build your fleet of up to 5 ships from a choice of 8 classes and traverse a randomly generated galaxy to defeat the Erebus Platform. NOW AVAILABLE ON MAC AND LINUX

Nightsteel Survivors is a 2D shooter with "roguelite" elements set in a dangerous robot-filled laboratory. Choose from various characters with unique abilities and face challenging bosses. Upgrade your skills and equipment to survive and escape the Nightsteel labyrinth.

A top-down space survival roguelite. Harvest crystallized spacetime, build your arsenal from 40+ absurdly named weapons, and hold off increasingly hostile void entities until the universe runs out of things to throw at you. It usually doesn't.

Tribe of Werewolves is a rogue-lite survival game where you fight against hordes of creatures using various weapons and spells. Survive as a bloodthirsty werewolf and save all the tribe members!

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.

A first-person space sim and persistent career roguelite where you build your own ship and live in it. Take contracts from human and alien factions in a procedural galaxy at war, grow from a micro-vessel to a capital ship, and make one life count.

Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.

This roguelike spaceshooter pits waves of enemies against you in your pursuit to reach the end of the galaxy. Improve your ship with permanent upgrades and select temporary upgrades during a run to pursue achievements and and kill bosses.

Try to survive in infinite asteroid cloud as long as possible in reworked tower defence style. FInd your own playstyle and beat your own records or chillout with original ambient soundtracks. Build, explore, think - everything to create your own colony in this cold space.

Command a fleet of customizable ships in this roguelite strategy autobattler. Liberate planets to unlock new ships and powerful upgrades. Engage in strategic battles, manage your fleet, and face escalating challenges as you fight to free the universe through increasingly difficult galaxies.

Sci-fi RTS and Top-Down

Thetawave is a physics-based space shooter with procedurally generated levels, diverse foes, and distinct characters.

SURVIVE the swarm in this rogue-lite + survivors + asteroids mashup! Exterminate as many alien drones as you can. Upgrade your ship from the crafted deck of equipment and power-ups. You are the Last ship against the Endless... Will your choices be enough to overcome the thousands hunting you?

Mystic Labyrinth is a top-down 2D twin stick shooter rogue-lite game. Choose from multiple starting classes and use swords, spears, axes and magic to conquer the many themed floors of the labyrinth.

This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.

Kuiper belt survivor is an arcade style bullet heaven, where every run is endless. It brings a unique spin to the bullet heaven genre by making every part of the players weapon arsenal customizable with well over 10,000 unique weapons to build, and unique stats for every enemy.

Turn-based spaceship battles in a tense fight for survival

Sisyphus Paradox is a fusion of roguelike tactical elements with classic side-scrolling shoot 'em up gameplay. Explore and fight your way across the galaxy as you try to get back home to Earth in this hand drawn indie game.

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

Architect autonomous battleships. Send them on a campaign against deadly opponents. Watch and cheer as they dominate, or cry as they explode. Obliterate dreadnoughts. Configure intelligences. Master weaponry. Free the Great Skies. THE OPPRESSOR MUST FALL.

A broke bounty hunter. A sarcastic robot. 1,000,000 credit debt. Star Scrap is a chaotic twin stick space roguelite. Blast through increasingly difficult waves of enemies to pay it off.

A tactical extraction roguelike where every raid is a high-risk decision. Infiltrate hostile sectors, evade adaptive security, secure valuable tech, and extract before lockdown hits. Push deeper for bigger rewards, or escape before everything collapses.

Everything moves when you do in Enter the Chronosphere, the turn-based roguelike. Each chronosphere is procedurally generated with defenders and biomes from the worlds it has consumed. Break in, find exotic weaponry and gadgets, outsmart hostile aliens, and fight your way to the core.

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.

Use ships to attack and destroy enemy space stations in real time.  Navigate through different randomly setup star maps to get to the exit and win.  It's a 2D single player space game that's massively replayable.

Command your starship through a galaxy-spanning conspiracy in this real-time tactical roguelike. Manage power, shields, weapons and more. Featuring permadeath progression, seamless portal travel, and intense capital ship combat using Newtonian Physics with Damped Velocity.

Pirate Patrol is a hardcore tactical simulation/RPG with procedurally generated battles, endless replayability, and infinite items/loot, where mastery comes from precision, planning, and smart command decisions. Your pilots are ready for your orders, Captain!

Pilot disposable combat drones through the Primal Portal in a sci-fi action roguelike. Customize your drone, fight through various missions, recover research data and alien technology to enhance your drone setup for the next session.