Top similar games like Pay Your Space Debt:

Space Mine Raider is a mining and bullet hell incremental game with a focus on strong power progression and combat. Warp in, mine resources, fight enemies and bosses, and extract with your spoils to upgrade your ship.

An incremental / idle action adventure game where you must battle foes, mine rocks, defeat bosses, and grow stronger in your quest to conquer the mountain and defeat the Evil Geomancer.

Inspired by the classic browser game. Race through a 3D field of cubes in Cube-Field+, a fast-paced endless runner with incremental mechanics. Or Fly through a Voxel field filled with enemies, powerful pickups and items. Discover new items and synergies

A short incremental game about space mining. Walk around your ship, physically interact with it's systems, blast asteroids, collect resources, upgrade your gear and watch numbers go up.

Outlast the onslaught in a sci-fi survivors-like where your decisions matter as much as your firepower. Command customizable starships, enhance your arsenal with 100+ strategy-defining upgrades, and annihilate endless fleets of cosmic combatants! Carve your legacy among the stars or die trying!

Dustdrifter is an incremental bullet heaven arena shooter. Venture into dangerous ruins, blast through overwhelming hords of enemis and collect valuable relics. Return home to upgrade your drifter and grow your village.

A bullet hell roguelite where you move by flapping. Battle waves of enemies, upgrade unique and unexpected abilities and become immensely powerful!

Pit Wizard is an incremental bullet hell game where you blast your way through hordes of monsters while dodging brutal hazards to collect loot, grow a massive skill tree, become the ultimate wizard, and save the day.

Ogre Stampede is an incremental bullet hell with lots of physics. Tons of stupid trolls and ogres are running wild in a mosh pit. Knock them away with your shield! Be the last one standing.

A cosmic survivors-like where every upgrade brings you closer to becoming a living superweapon. Burn through alien hordes, rupture pocket dimensions, escape black holes, and survive the cosmic war for the Moon.

An incremental bullet hell about shooting orbs at enemies, collecting resources, and becoming powerful!

Trapped after being sucked into a black hole, your only hope is to gather resources from the passing debris, upgrade your ship and survive long enough to find a way to escape. A unique blend of bullet-heaven action and incremental upgrading, will you find your way back home in Black Hole Surfers?

Incremental game about protecting solar system. Destroy asteroids with a huge arsenal of weapons, upgrade your skills through a massive skill tree, and defend the solar system from hostile alien fleets. How far can you go?

Plug and Slay is a short incremental game about outgrowing your machine cage. Purchase anomalous PC parts and traverse a massive skill tree to overwhelm your wardens with automated neon firepower.

Fight through endless hordes in trials bestowed by constellation patrons. Upgrade skills, collect relics, and craft broken builds in true roguelite fashion! Rediscover the fantasy behind the words hack and slash and bullet heaven. Will you survive the densest monster Survivor-like ever created?

Your ship is stranded and cannot move. Something out here has woken up, and it breeds faster than you can kill it. All you can do is upgrade your arsenal and fight back, wave after wave, for as long as you can hold.

Slay Goblins is an arena roguelite where you play a knight fighting off hordes of goblins. Choose from a variety of perks, weapons and items to create unique builds and defend your castle.

Spin the slot machine. If luck is on your side, your power explodes. Level up fast, collect items, and build your loadout. Hunt down “Spawners” that endlessly create monsters, survive the bullet hell, and clear stages. Overwhelm enemies with insane growth driven by luck and choice.

Rock Crusher is an incremental game with a massive skill tree. Control a little rock-crushing machine stranded on a mysterious planet. Crush rocks, collect materials, evolve through upgrades, uncover the planet’s secrets - and maybe, just maybe, find a way to escape.

Feel invincible. Until you're not. A dark 3D space survivor-like with deep build-crafting and auto-firing abilities. Outlast the swarm and face the Sovereign. If you can reach it.

NERMIUS combines sci-fi roguelite bullet hell survival with an incremental clicker mode. Deploy as a Shell, a corporate combat unit, fight alien fauna, collect upgrades, grow stronger, and uncover what Saturn Acme Corp won't tell you.

Together, Against Mork is a fast-paced single-player game that combines action-roguelike combat with tower-defense strategy. Slay the hordes, build smart defenses, and protect The Crystal at all costs. With every weapon, every hero, every defense—against Mork.

Planetfall: Endless Wave is an idle incremental base-defence game with a classic RTS look. Survive endless waves of alien invaders by upgrading turrets, fortifications, and troops as the battlefield grows more hostile with every wave.

Cut down the infinitely tall Tree to grow stronger. Timber Fever is an action, incremental roguelike where you create chaos with wacky tools while surviving enemy waves.

Mechgrave Overdrive is a sci-fi arena shooter where you pilot a mech, fight enemy waves, collect materials and credits, extract your resources, and upgrade weapons and equipment to survive increasingly dangerous runs.

Welcome, hackers, you're being transferred to Eden City to defend its citizens against the alien threat! Eden Survivors is a single-player survivor-like auto-shooter where players must defeat hordes of alien invaders until the extraction time.

You're broke, smash piggy banks, bills must be paid. A short active incremental game. Get money, upgrade, and get debt free!

A Bullet-Heaven roguelike in the Approaching Infinity universe with both spaceship and away team missions. The exit of the galaxy's dominant races left a power vacuum that everyone wants to fill. Survive, pick a side, or kill'em all. No time to think when the horde's advancing.

Can you become the most skilled diver capable of reaching the deepest depths in the world? Every breath you take and every meter you descend will become more dangerous. Upgrade your diver with 30 different abilities and skill trees, and try to survive.

Primordio is an action incremental extraction roguelite with a novel-yet-familiar movement mechanic and deep, layered, and esoteric metaprogression systems.

Start as a tiny mech, spread as a cosmic parasite, or rewrite reality as a living cursor. Destroy enemies, unlock hundreds of upgrades, evolve through massive transformations, and grow from scrapyard survivor to universe-shaping power.

Vital Shell is a single player top-down arena shooter that puts you in control of mechs inspired by classic fantasy archetypes. Unlock powerful synergies with unique weapons, traits, and abilities as you take on increasingly challenging waves of enemies in a shattered realm.

Mining Away! is a short incremental game in which you mine ores, collect resources, progress through the vast skill tree, and unlock powerful pickaxes!