Oxygen.not.included.v544793-p2p.iso -

Build an Oxygen Diffuser . It consumes Algae to pump breathable oxygen into your base.

As Algae and Dirt resources dwindle, you must transition to renewable systems. Oxygen.Not.Included.v544793-P2P.iso

Upgrade to Flush Toilets and Sinks. This requires a Water Sieve to clean polluted water, creating a closed-loop system. Build an Oxygen Diffuser