Top similar games like The Planetologist:

Beyond Lost Planets is an intense Roguelike Dungeon Crawler Bullet Hell. Fight through enemies and bosses across procedural worlds. Everything from weapons and bullets to powerup and companions is represented with cards. Grow absurdly powerful and create wild, unique synergies every run!

STEEB is a sci-fi exploration adventure game. You are a bio-robot scout, sent to explore dangerous Earth-like planets. Gain unique abilities by extracting samples from alien organisms. Choose upgrades to progress and survive the planet's threats. Will your discoveries save humanity?

a bullet heaven type game inspired by retro shoot'em up games of the 90s. Survive and defeat waves of enemies in an infinite space arena, acquire power ups and defeat the final boss !

Kholin Echo is an space action rogue like. Find a way to stop the Oblivion wave, liftoff with your ship, explore procedurally generated planets, fight enemies and collect energy to improve your abilities and weapons, while discovering the secrets of an ancient civilization

Explore, mine, and fight your way through the galaxy in this 2D space mining adventure! Unearth the relics of ancient civilizations and face the horrors that linger beneath alien worlds.

Sci-fi rogue-like mining/tower defense game. Mine through a procedurally generated world to discover artifacts. Defend your spaceship from waves of enemies. Discover and spend resources to improve your mining and spaceships combat ability.

Annihilate endless hordes of aliens in this action-packed sci-fi rogue-lite. Acquire a variety of firearms and upgrade your equipment to fulfill your mission.

Deploy your turrets and defend against an ever-growing mechanical horde! Upgrade your turrets separately in unique ways, use unique character abilities, and create powerful synergies.

A sci-fi shoot'em'up game with heavy focus on upgrades experimentation, featuring two unlikely heroes that must work perfectly together, despite their share of secrets, to surpass their limits and succeed in eliminating a threat that might destroy both Earth and Andraxia if left unchecked.

Escape from a tyrant government and save the planet Shambala. Be the resistance! Starexcess is a retro-looking vertical shoot 'em up inspired by the 16-bit era. Take on enemy armies and dodge frenetic shots in this shoot 'em up for one or two players in a local ofline co-op.

lone.AI is a space RPG roguelite. With challenging, relentless gameplay, each run has the potential to boost your ship's power, speed, and more. As a lone AI, fight your way through the solar system and uncover the secret behind the ZOSMA, an alien race that holds power over the system.

Shoot, smash and explode your enemies in this space shooter inspired by the golden age of arcade games.

Space Bot is a strategic action roguelite where your environment is fully desctructable, and out to get you. Destroy planets with your giant mining drill, and fight off dangerous alien lifeforms

An unknown signal pulses across the edges of deep space. Drive, shoot. Dodge, destroy!

Defeat enemies and get parts! Build your own spaceship!

Grow. Defend. Survive, land on deadly alien worlds where every day is a race to gather resources, and every night becomes a desperate fight for survival in this action-packed tower defense roguelike.

Night Wish is a 2D top-down roguelite action game combining subculture aesthetics with the core thrills of a twin-stick shooter. Experience the double life of Nia—an ordinary student by day, and an elite agent by night. Breach through relentless bullet hell and shape the story through your choices!

An old-school, frantic roguelike action platformer with tower defense gameplay and light RPG elements.

move fast → build weapon evolutions | crack elites + bosses | chase a high score | pixel-art bullet heaven | free updates forever

Find your way through alien planets made of fully destructible, procedurally generated terrain. Shoot, fly, collect weapons, level up, and defeat planetary bosses. Improve between runs and discover new planets as you progress. Play alone or with friends, from your couch or online!

Mine, build, and fight your way through a starless graveyard of stranded ships. Follow ancient alien superstructures toward the Iron Reach, the only rumored way home.

The SPELP program needs YOU to annihilate thousands of aliens with a variety of weapons, members and unique capacities. Unlock characters and make up your own team to fit your playstyle.

Welcome to Solitary Sentinel, a captivating modern reimagination of Space Invaders and Missile Command, where you must defend against constantly evolving enemies by upgrading a single Sentinel. Enjoy simple controls, and deep strategic gameplay as you fend off the relentless onslaught!

Fight through dangerous space stations in this 2d Bird's eye rougelike dungeon crawler! Clean up as many stations as you can!

This is a rogue-like top-down shooter where you control a spaceship that is sent out to explore the caves on the Moon. Once you enter the caves, you find out that there are enemies. It is up to you to survive against them while also trying to find the path down to the next level of the caves.

A free-to-play sci-fi action roguelike game set in an alien world where the sun never shines. Explore the world as a ‘Planet Adventurer’. Fight hostile creatures, gather ore, and interact with the local community in your downtime. Upgrade your gear with resources earned during your expeditions.

Play as a lone rabbit sent to the outer space on the journey back home. Defend the ship against relentless alien waves, harvest precious resources, upgrade under pressure, and survive the crushing energy deficit. Every warp brings you one step closer to home… or to ruin.

Microscopic SurvivalEmbark on a microscopic survival journey where you eat or be eaten.Simple controls meet strategic evolution in this unique roguelike RPG._Hunt the weak, flee the strong, and evolve your way to become the apex predator of this endless micro universe.

Defend your tower for as long as you can from the aliens invading your space! Level up, earn money and new units, and strategically place them in the grid!

Embark on a fast-paced action journey through space, discovering new weapons and abilities through acquisition and research to better each run. Invite friends to experience it with you!

Voidrunners is a space bullet heaven where you combine unique weapons, equipment, and upgrades to create powerful builds. Explore maps filled with secrets, unlock new ships, and survive endless hordes of enemies.

Renegade Rush is a survivor-style roguelike featuring deep upgrade systems, strategic exploration, and dynamic weapon builds. Stay aware of your position in the universe—venture out to hunt and discover, but don’t stray too far from home unless you're prepared for the dangers ahead.

Combine chemicals, prepare potions, and battle hordes of mythical monsters in this action-packed, chemistry-themed roguelike. You'll fight your way through a procedurally-generated science lab, exploding endless enemies and solving various puzzles, all to earn coins and upgrade your equipment.

Upgrade your combat robot, survive endless enemy waves, discover powerful weapon synergies, and free different planets from evil clones in this fast-paced survivor-like action game.

Microbes and Machines is a roguelite action game where you control a little bubble robot that fights against the forces of evil.