Games like Project: Celestial Ark

"STAR-BOX: RPG Adventures in Space" is a retro-styled open-world RPG set in a sandbox universe in the year 4135. Players can explore alien worlds, abandoned cities, and space-stations while collecting items, weapons, and armors. The game features dynamic events and tactical combat, with players having the opportunity to lead a rebellion against a corrupt government and capture enemy vessels. The choices made by players will impact the story and gameplay experience.

Curious Expedition 2 is a turn-based roguelike that takes you on a thrilling adventure to discover mysterious islands filled with treasures, dangers, and opportunities. Manage your resources, party members, and sanity to find glory in the 1889 World's Fair in Paris. Experience procedural storytelling that ensures every adventure is unique, as your characters form relationships, acquire illnesses, and more.

"Potato Flowers in Full Bloom" is a narrative-driven visual novel centered around the theme of memory loss. You play as a young woman who wakes up with no memories, trying to uncover the truth of her past and reconnect with her loved ones. The game features multiple endings based on your choices throughout the story.

"Interstellaria is a single-player Science Fiction Real Time Strategy game with a good plot and fabulous gameplay. Manage your crew, customize your ship, and navigate through a dangerous galaxy filled with hostile aliens and anomalies. Enjoy its pretty visuals, great soundtrack, and the humor, but be prepared for lots of grinding and some bugs."

"Impact Winter" is a single-player Role Playing Game with a good plot and compelling atmosphere, but can be buggy. As Jacob Solomon, lead a team of survivors after a devastating asteroid collision and strategize to lower the rescue timer, enduring an unpredictably hostile winter environment until help arrives in 30 days. Provide for your team and unite your skills to keep your companions alive in this immersive struggle for life.

"Starship Traveller" is a sci-fi PC game where you captain the starship Traveller, thrown into an unknown universe after passing through a black hole. Your mission is to find a way back to Earth while encountering alien races and planets. The game features physics-based dice rolling for battles, auto-mapping, and an auto-updated adventure sheet to keep track of your progress.

"Mewnbase is a single-player Simulation game with cute, 2D visuals where you play as a space-cat building and managing a base on an uncharted planet. Gather resources, construct modules, and upgrade technology to survive day/night cycles and weather hazards. Despite some grinding and bugs, Mewnbase offers ingenious and cozy gameplay."

"Potions: A Curious Tale" is an adventure game where you play as Luna, a young alchemist in training. Use strategy and puzzle-solving to resolve conflicts and gather rare ingredients for potion-making. Explore seven unique biomes, discover over 100 potion combinations, and experiment with deep crafting systems. Manage resources carefully and use your environment to defeat enemies.

GearStorm - Armored Survival is a story-driven science fiction survival game where you must survive a deadly virus, establish your settlement, and explore the alien planet of Apollyon. Play the campaign solo or with friends, build defenses, interact with local factions, and uncover the mysteries of ancient alien ruins. As an Exomarine, it's up to you to ensure humanity's survival and prosperity on this new world.

"Wildmender is an open-world, single-player and multiplayer co-op game with outstanding story and mechanics, set in a deserted world. Craft tools, grow gardens, delve into mysteries, befriend creatures, and defend the land from wraiths. Despite its wonderful visuals, exceptional soundtrack, and immersive gameplay, Wildmender is poorly optimized and buggy, with lots of grinding required."