Click to play
x
Controls
Controls
- Click once to change state
- Click and drag to mark multiple cells as empty
- Zoom with mouse scroll wheel
- Pan with right button
Hidden Oxygen
Click to play
This game is not available on mobile.
Play Hidden Oxygen Online Free
Instructions
Controls
- Click once to change state
- Click and drag to mark multiple cells as empty
- Zoom with mouse scroll wheel
- Pan with right button
Hidden Oxygen is a logical grid-based puzzle game that is inspired by Sudoku. You need to figure out the correct placements of oxygen atoms.