Top similar games like Sisyphus Paradox:

Survive the Rift is a roguelike shoot 'em up with procedurally generated levels, unlockable ships, and plenty of items to make each run unique. Inspired by classic 16-bit era scrolling shooters with modern roguelike game mechanics.

Repel extraterrestrial entities!

ASTRO: The Beginning is a dynamic side scrolling shoot 'em up about a close-knit space team caught in a clusterf*ck of epic proportions.Unravel the evil plans of your foes and secrets of world order while taking down various types of enemies and engaging in crazy boss battles.

Operation STEEL is a roguelike shoot-em-up rendered in hand-drawn art. Blow up loads of enemies, destroy huge bosses, find weapons, and upgrade your load-out between levels. Combat the electronic legion across 20+ procedurally generated levels!

You’re being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter.

Start a Rebellion! Lead your ships to take down the evil O'Xelg base in this squad-based shoot-em-up!

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.

Progressively insane side scrolling roguelike shooter adventure that gets crazier and crazier the more the player plays.

The UNFP's been kicked in the teeth by a G'ell invasion force and their last and only hope is a planetary outpost and its fleet of experimental DSP MkI Forward Assault Fighters and anyone marshal enough to strap into one and forcefully accept some apologies.

Fast-paced roguelike where you mine and explore procedurally-generated asteroids. Collect unique stackable upgrades to aid you in your quest for riches! (and freedom...)

Play as an intelligent cloud with powerful weather abilities like rain, lightning, and snow to defeat aliens who are causing natural disasters on prehistoric earth. Restore the environment and help the primitive earthlings in randomly generated levels

Can you create the raddest spaceship? Captain Forever Remix is the spaceship builder roguelike. Voyage across the Solar System and blast apart randomly-generated enemies for spare parts. This is an officially-licensed re-imagining of the indie classic Captain Forever.

Take control of a heavily armed squid and blast through destructible worlds in Freedom Squid Fighter. Soar through the air, tunnel through dirt and rock with powerful weaponry, and outmaneuver enemies across towering, fully destructible landscapes.

Starship Architect is a high-octane roguelike where every decision counts. Battle relentless enemies, choose from a dynamic arsenal of weapons and upgrades, and strategically assemble your ship. Unlock powerful new parts after each run and craft the perfect starship.

In the game,you can assist your allies in occupying and protecting resource-rich strongholds to strengthen their technology and develop more powerful weapons,attack other camps,prevent friendly strongholds from being invaded,assist your camps in developing technology. Strengthen your own technology.

Stranded in Starlight is a top-down roguelite where you pilot a spaceship armed with a variety of unique weapons and utilities. Battle relentless enemy hordes and powerful bosses as you upgrade your ship, adapting to each challenge in an ever-changing fight for survival.

Take control of the body’s defense system in this fast-paced action shooter. Step into the role of a powerful immune cell and use precise touch controls to target and eliminate waves of invading bacteria and viruses.

Wrenched from your world by a rift, you awaken in a hostile arena. Your only defense is an ethereal shield that evolves with each wave of foes you vanquish. With no memory and no way home, you must master the shield's power to survive and uncover the secrets of this strange dimension.

MERGE blocks to get ammo... BLAST the alien horde... and BUILD the ultimate fighting drone! Not gonna lie, this game is a PARTY!

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!

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

Contract Work is a cyberpunk action rogue-like where you infiltrate high-rises to steal corporate secrets. Do you go in guns blazing or take a more stealthy approach? Every contract earns you credits which you use to buy new cybernetic enhancements and modifications for your next mission.

HIVE JUMP is a sci-fi action platformer for 1-4 players blending run ‘n gun gameplay with roguelike elements.

AlphaLink pits players in a dystopian intergalactic arena multiplayer battle to shift the tides in the war of factions!

Stardawn Heroes is a rogue-lite action adventure RPG set throughout the stars. Explore, battle, harvest, and craft your way through procedurally generated planets on your journey to the Gateway of the Ancients.

A roguelike survival game in space. Stranded in space, you must fight to survive as long as you can! Dodge or destroy asteroids, collect ice shards to survive. Find power ups in from your ship, get out before they destabilize and explode! How long can you survive in space?

Rick Henderson is an endless horizontal-scrolling shoot 'em up with infinite replayability, a true homage to 16-bit shooters wrapped in graphics we all loved. Twitch your fingers through five enemy factions and their bosses, upgrade your ship and try to survive through unpredictable space events.

Escape Space is a classic arcade space shooter with RPG mechanics. Fight for various factions against swarms of enemies or bosses and improve your standings, level up your rank, unlock new gear and weapons, and upgrade your spaceship.

Roguelike bullet hell shooter, where you fend off waves of attacking monsters in a constantly transforming arena. You are rewarded with upgrades to your vulnerable spaceship if you survive long enough.

Shoot aliens, fly around and make everything explode, alone and with friends, in this frenetic 2D run and gun roguelite. Survive the procedurally generated environment, collect weapons, level up and defeat planetary bosses. Improve between runs and discover new planets as you win.

Hyperspace Dogfights is a juicy jet-combat roguelite in which you blast, dodge and slice your way through masses of technologically inferior baddies. Your jet evolves differently on each run and becomes stronger and weirder by gathering some of the 300+ available items.

Astro Sailor is a hand-drawn action-adventure game with rogue-like elements and a unique gravity-based movement system. On your journey to explore the galaxy, you’ll meet new friends and foes, discover hidden treasures and face dangerous obstacles.

A very unique group of farm animals that tired of the abuse of the big chains of fast food decide to oppose them; Armed and trained to fight, our heroes must make their way through every restaurant and fight to stop their evil machinations... or be cooked in the attempt.

Outnumbered and outgunned in deep space? No problem! Turn your enemies' attacks into pure bullet heaven with your shield tech and absorb projectiles to power up your ship and score big! But when your shield expires and it's danger time, you better switch up your strategy fast...

A sci-fi roguelike about a lone pilot on a forbidden mission through his galaxy. Piece together his story as you scavenge to build your loadout in this procedurally generated space shoot'em-up.