Top similar games like Isotopia:

Vault-Tec engineers have worked around the clock on an interactive reproduction of Wasteland life for you to enjoy from the comfort of your own vault. Included is an expansive world, unique combat, shockingly realistic visuals, tons of player choice, and an incredible cast of dynamic characters.

Immersive first-person roleplaying adventure with a focus on exploring a rich handcrafted fantasy open-world filled with interesting places to find, powerful items to collect, challenging enemies to defeat, ancient mysteries to solve and, ultimately, good friends to make along the way.

Bethesda Game Studios, the award-winning creators of Fallout 3 and The Elder Scrolls V: Skyrim, welcome you to the world of Fallout 4 – their most ambitious game ever, and the next generation of open-world gaming.

Within the Cosmos is a sci-fi RPG. After awakening in a secluded star system, you soon discover a fractured human society grappling with an emerging android threat. Explore planets, uncover mysteries, and navigate differing philosophies. Your choices will shape how the story unfolds.

HIRAETH is a sci-fi, first-person survival game set on a desolate, alien planet. Adapt to various threats while discovering the secrets of the abandoned, dystopian colony. You can choose between two distinct game modes that share common gameplay mechanics - sandbox and story.

Land with your friends on the surface of various planets, gather resources, create items and buildings, defeat enemies and move to other planets to discover their secrets and secrets

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!

Sail across a vast ocean in this first-person survival shooter. Craft, explore, and battle rogue machines. An atmospheric, open-world adventure where every discovery and upgrade brings you closer to humanity’s rebirth.

EVE Vanguard is an MMOFPS set in the deep, persistent, far-future universe of New Eden. As an elite mercenary directly influence the massive player-driven conflicts taking place in New Eden.

Tesera is a sci-fi sandbox game in a mysterious alien world. Explore an endless voxel world, defend yourself against aggressive creatures and drones, building your dream settlement alone or with friends.

Heat Death is a sci-fi survival game where you can build, upgrade, and customize your battle train to explore and survive a frozen world! This train is not only your shelter and vehicle, but also your weapon and ally to face hostile drones, deadly storms, and hidden mysteries of an unknown world!

In the distant future, the X universe faces a period of profound and irrevocable change. While the universe stumbles towards an uncertain future, countless adventures await as new enemies rise in search of power.

You will find yourself on the edge of space, on one of the space stations. A place where travelers, research scientists, traders and adventurers from all corners of the galaxy gather. But is everything so safe?

After a mysterious accident you are left are stranded, floating through space on a piece of a space station. Craft supplies and Hubs to expand what is now your home. But be warned space is a dangerous places where one mistake can mean certain death. Can you defy the odds and survive in space?

NEX:OS is a community driven Ability/Movement focused Looter-Shooter style FPS game set in a war torn future. You play as a Centurion, a Biologically and Cybernetically enhanced near-immortal super soldier.

Explore a vast universe, uncover the mystery of humanity's demise, gather resources, build bases, and scan the unknown. Your journey awaits in this post-apocalyptic sci-fi adventure.

LOST CONTACT is an exciting realistically designed space station shooter. As the main character of unflinching Nil Heard you will experience soul grabbing horrors of facing the mutant monsters of the Universe.

Survive in a hostile space environment with randomized damage, drop and enemy strength. Adjust difficulty yourself dynamically with upgrading weapons, but be careful not always the upgrade succeeds.

Over The Ruins is a post-apocalyptic blacksmith simulator with retro graphics. The player can explore the world, collect resources, create machines, upgrade your house and of course, forge incredibly customizable weapons.

Prepare for the Future™ With Fallout 3: Game of the Year Edition, experience the most acclaimed game of 2008 like never before. Create a character of your choosing and descend into an awe-inspiring, post-apocalyptic world where every minute is a fight for survival.

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.

Voidless is a sci-fi space survival sandbox set in the near future within a realistic scale solar system. In first or third person, players can explore planets and asteroids, collect resources, and craft items. As well as building bases and ships, all with physics based flight and combat.

Anipocalypse is a humoristic post-apocalyptic first-person shooter. Use an arsenal of guns to shoot your way through hordes of zombies and mutated animals to complete your mission in this first-person "bullet-hell" shooter!