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?

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.

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.

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.

Inspired in mega drive, shmups, math and physics. Control kdV an artificial intelligence spacesand destroy all humans.

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.

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 !

Feel good traversal sci-fi explorative side scrolling ability upgrade shooter with no map system, large areas and action puzzle bosses.

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.

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

Slice, dice and blow up thousands of enemy ships! Spaceborne Survivors is a sci-fi casual game with rogue-lite elements, where your choices can allow you to become a mecha menace against huge enemy fleets invading your space system.

What do you do if you are the only one left aboard a spaceship? Your team has embarked on a mysterious expedition a few years ago, the ship’s machinery has started acting up and it seems there are ghosts wandering about. Luckily, the black hole above you doesn’t pose any problems…yet.

A fast-paced bullet heaven action roguelike set in a futuristic arena. Face overwhelming enemy waves, evolve your build with powerful upgrades, and survive escalating instability that constantly reshapes the battlefield.

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.

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.

To stave off the cold, crushing loneliness at the end of time, embrace eternity. Stellar Terminus is a combat-focused, hard sci-fi dungeon crawler set at the heat death of the universe. Scavenge for resources, robots, and knowledge in the procedurally generated ruins of long-gone civilizations.

A fast-paced, loot-driven sci-fi Action RPG where you are Earth’s last hope. Blast through enemies, hunt powerful gear, create powerful builds and take on the Swarm and the factions united under its banner in a desperate fight for humanity.

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.

Join Captain Rijk as he attempts to escape from the clutches of one of the most villainous species in the galaxy. Help to uncover the horrors that are being carried out on the fringes of the civilised galaxy and become the divine being prophesised to inspire an uprising and destroy The Domain.

Outpost Delta is a single player, 2-D side-scrolling sci-fi shooter for PC. Take on the role of Delta, the outpost’s emergency defense, who along with her AI companion must defend the space station against alien intruders.

Dynamic 2D retro, pixel-art, shooter. Fly fast, shoot accurately. Fight back the Rivanirs invasion. You are the Captain Jackson, you are their Doom.

Star Devil is a Sci-fi Station Survival Roguelike Game with dynamic alien infection. Playable in both single player and split-screen co-op.

The Citizen Kane of Super Crate Box clones - dance with death through randomised rooms to clear your space freighter of irradiated aliens in a brutal arcade platformer shooter stuffed to the brim with unlockable weapons, explosives, special abilities and defense moves.

Blast aliens to pieces and start a rebellion in this fast paced pixel art top down shooter where sprinting kills.

Voidwatch is a silky-smooth space shooter roguelike. Hop from planet to planet, facing off against the Cult of the Void as you fight to free the galaxy from their clutches. Collect new weapons and powerful modifications to improve your Voidhawk Infiltrator starship & lay waste to your foes!

Defeat enemies and get parts! Build your own spaceship!

FTL meets Vampire Survivors meets Superhot. Equipped with the one of a kind Time Engine, time only moves when your ship moves. Escape the doom impending swarm that is threatening the galaxy.

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!

Critical Point is a retro sci-fi casual strategy game. You have to make the particle count in reactor cells exceed 4, surpassing the critical point of fission to generate energy required for interstellar voyages.

You are a robot with the mindset of a child, but your advanced robotic body allows you to fight better than most humans. Your goal is to solve the mystery of how the aliens got aboard the spaceship and, more importantly, to find a new energy source to survive. A strange scientist will accompany you.

Dive into the Ocean Keeper – a cooperative roguelike where four survival miners defend their Mech Spider, fight with endless hordes of monsters, and dig for resources. Team up with your friends, upgrade between waves, and survive the deep caves, full of treasures… if you can.

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