Oxygen Train is an open-world survival and construction train game. You wake up in a world severely lacking oxygen for unknown reasons, and start from scratch building your own train—chopping trees, mining, gathering resources to expand and upgrade your unique train. Ensure your survival through planting, fishing, farming, exploration, combat, and more, while gradually building a train kingdom. Supports 1–8 players online co-op.

Oxygen
In this anoxic world, you must constantly search for oxygen sources or unlock advanced technologies to solve the oxygen problem entirely. As you progress, you can ensure that all players, plants, and animals on the train are free from oxygen deprivation.

Cooperation
Supports 1-8 player co-op. Join a friend's room for a fishing competition? Race them to the top of a mountain? Steal the train and leave your friends chasing after you? Drink all the water on board and leave your friends passing out from thirst? It's all up to you.

Exploration & Collection
Explore snowfields, grasslands, deserts, islands, berry forests, farmlands, volcanoes, and other unique terrains. Different areas contain special items for various purposes. Collect these exotic resources to aid life and operations on your train. Always be wary of hostile creature attacks.

Cooking
Ingredients can be eaten raw, grilled, or cooked. Special ingredients can undergo unique processing—for example, fresh fish caught or farmed can be sliced at the fish cutting station to make sashimi. Cooking requires finding recipes for corresponding ingredients. Different cooked foods provide various buffs.

Planting
Collect strange seeds or vegetable seeds and plant them in soil pots of different levels. Care for your plants diligently to reap a bountiful harvest. You can even plant towering trees on your train—a truly satisfying achievement.

Fishing
Unlock fishing rods to conquer lakes, oases, and oceans. Fish for different species in various locations. Not only can you make sashimi or cook fish dishes, but you can also keep rare fish for display and breeding.

Construction
Gather and fire various building materials to transform your train into a rolling kingdom. Build all kinds of carriages, each serving different purposes—it's a true test of your design inspiration. Continuously upgrade train materials and build defenses to withstand more attacks.

Farming
Nothing feels safer than the contrast between a disaster-ravaged world outside and the warm glow of a chicken coop inside your train. Not only can you raise chickens for eggs and breed fish, but they also provide companionship in this lonely, post-apocalyptic world. More farming system content awaits your discovery.

Combat
The anoxic apocalypse brings greater dangers. You must not only guard against animal attacks but also the barbaric acts of oxygen bandits. Unlock clothing and armor, craft more powerful weapons, and fight back. Upgrade cannons, heavy crossbows, and other large vehicle-mounted weapons to ensure the safety of your entire train kingdom.

Research
At the research table, you can unlock new technologies and items. Simply gather and process the required materials to unlock them. Continuously research better technologies to make life on your train more convenient, even achieving light automation.

Entertainment
Life on the train can get dull. Then your friend suddenly plays a moving tune on a makeshift piano. You pick up a guitar and join in. Someone beats a makeshift drum, someone sings—and suddenly, life feels a little brighter.

Trading
Not all oxygen bandits are purely evil. Bandit merchants often appear on the map—sometimes in a small shop, sometimes in the most unexpected places. You can trade rare resources with them for Oxygen Coins, the currency of this post-apocalyptic world, which can be used to buy various supplies. Rumor has it that someone spotted a mysterious merchant riding a camel in the desert, but I've never seen them myself.