Top similar games like The Planetologist:

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.

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.

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

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.

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.

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.

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 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.

lone.AI is an upcoming 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.

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

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.

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.

You are the robot with mindset of a kid, but your robotic body allowing you to fight better than most humans. Your goal is to solve the mystery how aliens got into spaceship and, most importantly to discover "who YOU are for real?" A strange scientist will accompany you during the exploration

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

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

Pilot a lunar lander through 100 unique, alien-infested caves! Rescue astronauts, gather crates, and collect gems to unlock powerful upgrades. Navigate treacherous terrain, face hostile creatures, and deliver your precious cargo to the surface in this thrilling 2D adventure.

Solitarius is a 2D top-down wave shooter set in a sci-fi space environment. It is a free minigame that contains six different levels, eight different enemies and nine different weapons. Instead of surviving as long as possible you have to make it through each level.

Xeno Crisis is an arena shooter in which up to two players take control of battle-hardened marines embarking on a deadly mission to confront an alien menace! Run and gun your way through thousands of adversaries, searching for survivors, and ultimately facing the origin of the outpost's demise.

Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.

RATOMON 2 is a continuation of medieval top-down adventure to stop the Plague. Investigate random generated dungeons, eliminate rat hordes and other villains, who stand behind the disease.

NeuroVoider is a twin-stick shooter RPG set in a cyber futuristic world about brains shooting around evil robots with nuclear rocket launchers. Battle through the horde of vigilant robots, boost your character with the smoking remains of your victims, and defeat the master NeuroVoider.

A top down, action bullet hell roguelike with customizable weapons, perks and seed based random generated runs! Can you shoot your way home?

Move, shoot. Dodge, destroy! How long will you survive ?

Grid-based action roguelike where you face chaotic encounters against computer viruses. Build and upgrade your antivirus using a vast array of commands and add-ons in order to survive.

In a world where a robot revolution failed, the last humans search for a way to survive and escape. Beacon of Neyda is a side-scroller strategy game where you have to survive waves of enemies while creating and upgrading your base. Build where you want - Defend what you can.

Combine chemicals, prepare potions, and battle hordes of zombified scientists in this action-packed, chemistry-themed roguelike. You'll fight your way through a procedurally generated lab, exploding enemies and vaporising various vermin in order to purchase upgrades and drill for new elements.

Far from Earth, mankind hasn't changed in the centuries since we've reached the stars. Across this wide-open galaxy, you'll find merchants, builders, and explorers. The more adventurous are colonizers, conquerors, and even space pirates. And you, Voyager? What will you be?

ExoFrontier: Venus is a RogueVania with RPG elements and procedurally generated levels. Follow the story of Doug who has become an Explorer and help him make Venus a better place for humans!

Starshot is a difficult space shoot-em-up with rogue-like elements and randomly generated levels. Will you be able to upgrade your ship and pilot it to safety, or be destroyed in your search for stardust inside the automated production facility?