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Hidden Oxygen
Play Hidden Oxygen online for free on crazygames.cv. As one of the most popular Puzzle games, Hidden Oxygen combines fast-paced gameplay, challenging levels, and skill-based mechanics to keep players entertained for hours. Whether you're searching for "Hidden Oxygen CrazyGames", "play Hidden Oxygen online", or the best Puzzle games, this game delivers smooth performance and instant browser-based action. No download or installation is needed—just click and start playing instantly.
- Developer
- Meek Bits
- Rating
-
9.2(144 votes)
- Released
- November 2020
- Last Updated
- Technology
- HTML5 (Unity WebGL)
- Platforms
- Browser (Desktop-only), App Store (Android)
Rules
- Oxygen atoms cannot be adjacent to each other, even diagonally
- Numbers next to rows and columns tell how many oxygens should be in them
- Each carbon atom needs 2 adjacent oxygens
Release Date
June 2020 (Android). November 2020 (WebGL).
Developer
Meek Bits developed this game.
Platforms
- Web browser
- Android
Last Updated
Dec 30, 2025
Controls
- Click once to change state
- Click and drag to mark multiple cells as empty
- Zoom with mouse scroll wheel
- Pan with right button
