Top similar games like Ships That Fight Underground (STFU):

Take on the role of an adventurous archaeologist who stumbles upon clues leading to a mythical underground civilization believed to hold immense knowledge and power.

Exodomia is a narrative-driven, action-adventure game set on the robotic world of Salakar V! In this fast-paced combat experience, you will encounter many dangerous creatures and enemies as you navigate a story of struggle and survival.

Subdivision Infinity is an immersive and pulse pounding sci-fi space shooter featuring stunning graphics and tight spaceship game play. Hunt down and destroy enemy spacecraft, crush capital ships, mine asteroids for rare minerals, and find blueprints to craft amazing new vessels!

Shot down and stranded, Skywalker and his drone Wolly must fight to survive on a hostile alien world. Scavenge, craft, and defend against relentless robotic sentinels while uncovering the secrets of the Astra Portal and the mysterious force that brought them down.

Skin Deep is an immersive first-person shooter. We got sneezing. We got things getting stuck in your feet. Stalk through a vast non-linear starship and sneak, subvert, and sabotage to survive in this stellar sandbox. You're outnumbered, outgunned, and have no shoes. Welcome to Skin Deep!

A gritty first-person space sim where you mine, trade, fight, and salvage across a procedurally generated universe—then breach derelicts in tense FPS missions with permadeath and full ship customization.

Mayhem's World, a fighter game, a adventure game, a relaxing game, a farming game. Play how you want in Mayhem's World!

Alone in a hostile universe, you're the last of your kind. Team up in a crew of up to 4 players, gather vital resources, upgrade your gear, and defend your spacecraft with the help of intelligent robots. But beware, in the dark, something is watching - and it won't stop until it finds you.

The cult game that marked MercurySteam's origins returns; a sci-fi adventure with memorable characters, powerful ships and humor! Enjoy intense Multiplayer battles and races with ships you build.

Explore the vastness of space, dig deep into planets to find resources, upgrade your ship and survive against alien life in this 2D open-universe space mining adventure! How far are you willing to travel into the dark unknown?

Next Day is a multi-player SURVIVAL game with elements of RPG, in an imaginary country in Eastern Europe. Carry out an array of tasks, learn skills, and develop your character. Have shootouts with opponents and earn a reputation.

Can you survive this unforgiving prehistoric world? Experience the life of 65+ prehistoric species. Emerge as a hatchling and survive to reach adulthood. Evolve, gain talents and traits, and eat a healthy diet to gain powerful buffs. Collect a hoard of items to customize your dinosaurs.

Beyond reason is a knowledge-based time-loop game about surviving a tiny open world. Master fluid first person combat, while uncovering the island's secrets. When you die, you take nothing but your knowledge of the world into the next loop.

Pilot your advanced Trident fighter through a mysterious frontier, where survival hinges on skill, strategy, and an inexplicable alien bond. XERXES:SHADOW - Your mind is the battlefield.

It's about to go down! All the way down! Challenge your friends and see who'll come out on top as you race to the centre of the Earth through a series of chaotic puzzles and challenges!

Astral Horizon is a first-person space opera adventure featuring combat with six degrees of freedom. Give orders to your squadmates and find creative ways to approach combat in zero-gravity. Explore epic sci-fi locations as you fight a war to uncover a perspective-shattering discovery.

In the vastness of space, you are a lone robot desperately trying to survive. Build, explore, and fight for your life as you face deadly threats in the asteroid belt. This hardcore game shows no mercy—dangers lurk at every step, ready to destroy you at any moment.

Travel through an overgrown megastructure, and discover what lies beyond it. Metal Garden is a short, atmospheric singleplayer FPS game.

Alone, unarmed, and surrounded by the dead—you’ve just woken up in a world that’s collapsed. Stylized, surreal, and crawling with infected and hostile wildlife, every moment is a fight to stay alive. Explore crumbling ruins, scavenge what you can, and craft the tools you need to survive.

In Anthèse, an Action Light RPG, you explore a ruined world alongside your faithful companion. On a mission on a flying island, Emöke must eliminate a particularly dangerous predator that threatens a village under his protection.

A realistic open-world survival experience. After a harrowing plane crash, you find yourself stranded in the wilderness. Battling freezing temperatures and hunger, you face an unknown virus that slowly paralyzes muscles, leaving its victims motionless and at the mercy of the unforgiving cold.

Settlement Zero is a first-person VR adventure using free movement, mixing open exploration with frantic combat as you defend yourself against autonomous spacecraft and robots.

Untamed is a planned multiplayer creature survival game that takes place in a post apocalyptic world full of overgrown ruins.

Fight off The Inventors as you search for answers in a world once shepherd by Ancient Giants in this first person game inspired by BioShock.

Farpost 44 is an Action-Adventure taking place in a 44-hour time loop. Unlock multiple story-paths and endings to unravel the mystery of the Farpost 44 catastrophe where each playthrough is based on your choices and actions.

Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!

A director of a large biomedicine company offers you a great contract to recover two notebooks seized at a military base.