Hidden Oxygen is a brain-teasing grid-based puzzler that takes a leaf out of the Sudoku playbook. Your mission, should you choose to accept it, is to crack the code on where to plop down those sneaky oxygen atoms.
How to play Hidden Oxygen?
- Click once to change state
- Click and drag to mark multiple cells as empty
- Zoom with mouse scroll wheel
- Pan with right button
Can I play Hidden Oxygen on mobile devices and desktop?
Hidden Oxygen can be played on your computer.