If you want a Mars survival loop that leans science and logistics instead of fantasy loot tables, Sol One is the Early Access drop to watch this week. Solo developer yeetgench unlocks the game on Steam on July 30, 2026. You wake alone on the red planet, keep oxygen, power, and food online, and work toward building a rocket home. That rocket is not finished in the build that ships now.
What Early Access actually includes
The Steam page is unusually honest about the cut line. Core systems are playable: life support, three crafting tiers from raw materials to finished parts, pressurized base building, farming, mining, vehicles, surface points of interest, a procedural Mars with a physically based sky and day/night cycle, and dust storms that cut solar power and visibility. The endgame escape is the missing piece.
It's a playable, stable survival game with its main systems working: life support to manage, three crafting tiers from raw materials to finished parts, base building, farming, mining, vehicles, points of interest to explore out on the surface, a full-scale procedural Mars with a real-feeling sky and day/night cycle, and dust storms that change how you play. It's not finished — some systems are still shallow, and the end of the game, getting off Mars, isn't in yet.
That is the developer writing on the Steam Early Access FAQ, not a marketing blur. Buy if you want to pressure-test the survival loop and steer a solo project. Wait if you only care about the launch sequence.

The Martian vibe, with one hard fork
The pitch language will feel familiar to anyone who has read Andy Weir or watched The Martian. Crew gone. Suit warnings. Grow food from what you can scrape together. Scavenge older mission sites. The fork is the escape plan: you are not waiting for a pickup. You mine iron, copper, silica, ice, and uranium, push materials through smelters and fabricators, and eventually assemble a rocket yourself. Automation and an autonomous rover sit in the design so the base can keep working while you scout.




