Games like Colonies Online

"Grav" is a Science Fiction Shooter game that combines frenzied combat with gorgeous visuals and procedurally generated planets for a unique and immersive experience. Play in single-player, multi-player, or co-op modes, with plenty of humor, grinding, and a beautiful soundtrack. However, expect some bugs in this early access game.

"Nether" is a survival game set in a post-apocalyptic urban environment, where players must make quick decisions to stay alive. The game has been rolled back to 2014, with single-player mode, no micro-transactions, and multiplayer on player-hosted servers. Custom server settings and modding tools are in development. Bug fixes, including for the Nether character, are also planned.

"Tree of Life" is a sandbox game that allows you to build and manage your own village in a beautiful, procedurally generated world. You can create and customize your character, choose your role and allegiance, and explore diverse environments such as deserts and snowy fields. The game encourages creativity, freedom, and discovery, with the potential to build grand castles or a village for wanderers.

"Fragmented" is a Sci-Fi Shooter game with exceptional visuals, featuring single-player, multi-player, and co-op options. After a failed colonization mission, you must survive on an alien planet, harvest resources, craft weapons, and regain lost skills to ensure humanity's survival. Players can host their own servers, adjust settings, and choose between easy or harsh gameplay modes, with a focus on survival and skill progression.

Project Genom is an Alpha stage open-world sci-fi MMORPG set on a renewed world with new characters, enemies, NPCs, and artificial intelligence. The game features a hundred square kilometers of explorable terrain, 10 instances, customization options, and initial character skills upgrades, with frequent updates planned leading to its full release. Please note that the game is still in its Alpha stage, so many mechanics are yet to be introduced.

"The Black Death" is a medieval multiplayer game set in a plague-infested 14th century Europe. Players must survive by fighting for scarce resources, learning new crafting techniques, and avoiding the plague. The game encourages cooperation with other players, but also the risk of betrayal in a land ravaged by disease and scarce resources.

"Osiris: New Dawn" is a sci-fi survival game where players explore and colonize alien planets. Gather resources, build bases, and advanced technology to survive against the harsh environment and alien creatures. Fight solo or with friends in online multiplayer mode to expand your territory and uncover the mysteries of the galaxy.

Planet Explorers is an open-world sandbox adventure game set on a distant planet. Players can build and customize their own tools, vehicles, and structures, while also gathering resources, completing missions, and fighting alien creatures. The game features a dynamic story generation system, allowing for a unique experience with each playthrough.

Valnir Rok is a Norse-inspired survival RPG that lets you explore a vast open world, build and upgrade your own Viking settlement, and fight brutal clan wars against other players. Hunt, harvest, and forage for resources to craft weapons, armor, and structures, all while immersed in a rich and detailed narrative. Battle mythical beasts, form alliances with fellow Vikings, and prove your worth in epic quests to become a legendary warrior.

"Memories of Mars" is a survival game set on the abandoned mining operations of Mars. Explore the Martian terrain, build a habitable homestead, and uncover the events leading to the withdrawal from the Red Planet. The game features a large open world, cooperative and competitive multiplayer, upgradeable skills and items, and various NPCs and competing players to combat. Join in-game events and follow the "Emergency Protocols" system to learn about the downfall of the colonization efforts.