Clonium is a free online multiplayer game you can play right here in your browser, with no download and no sign-up. Clonium works because it is social. Winning feels better and losing is funnier when there is a real person on the other side.
About Clonium
Capture your opponents cells, think through every move, and use strategy to be the last one standing. The more explosions, the more spectacular the game! Simple rules, but an endless number of combinations and tactics make Clonium incredibly addictive.
Judged as a multiplayer game, Clonium hits the notes you would hope for: quick matchmaking or shared-screen setup, bragging rights and simple rules everyone can grasp fast. Under the surface it is a test of reading opponents and reading opponents, dressed up in chaotic presentation.
How to play Clonium
- Press the play button above and wait for Clonium to finish loading. On first load this can take a few seconds while the game files are fetched.
- Follow the on-screen prompts. The developer describes the controls like this: The board is divided into cells each capable of holding multiple pieces - Players take turns filling their cell - When a cell is full it explodes scattering the pieces into adjacent cells - If the pieces land in your…
- Try a round against the computer or alone first so the controls are familiar before you bring in another player.
- When you are comfortable, set a target: a score to beat, a level to clear or a time to shave. Small goals are what make Clonium stick.
Controls
The controls in Clonium are straightforward once you have seen them written down:
| Input | What it does |
|---|---|
| Mouse | Point and click to play; the game shows its own prompts on screen. |
| Keyboard | Some actions may use the arrow keys or space bar — check the in-game hints. |
It is designed for desktop play with a keyboard and mouse.
Tips and tricks
- Short, frequent matches build skill faster than marathon sessions.
- Be a good winner. Rematches are how multiplayer games stay fun, and nobody replays a gloater.
- Use the first round to test. Try something unusual and see how the opponent reacts; the information is worth more than the round.
- Play the opponent, not the game. Notice what your rival keeps doing and punish that habit.
Who will enjoy it
Clonium is a good fit for friends on one screen, online competitors and anyone who finds bots boring. A typical session is matches of two to ten minutes, best played in a series. Difficulty-wise it is entirely dependent on who you are playing against. It is designed for desktop play with a keyboard and mouse.
Game details
| Category | Multiplayer Games |
|---|---|
| Tags | Arcade, 1 Player, 2d, Skills, Best Games, Android, 2 Player Games, 2025 Games, Unity Games For Your Site, Free Html5 Games For Your Website, Clash, Unity Games For Your Website, Ai Games |
| Platform | Browser (desktop) |
| Controls | Mouse |
| Technology | HTML5 — no download or plugin required |
| Frame | Landscape (800×600) |
| Added | 7 March 2026 |
| Plays | 2 |
| Price | Free to play |
Frequently asked questions
Is Clonium free to play?
Yes. Clonium is completely free to play on Diemakora. There is no download, no account and no payment — the game runs in your browser.
Can I play Clonium on my phone?
Clonium is best played on a desktop or laptop. It relies on keyboard and mouse input, and while it may load on a phone, the controls will not be comfortable.
What are the controls for Clonium?
The developer did not publish detailed controls, but the game follows genre conventions: Mouse — Point and click to play; the game shows its own prompts on screen; Keyboard — Some actions may use the arrow keys or space bar — check the in-game hints. The full list is in the controls section above.
Does Clonium save my progress?
Progress in Clonium is kept by the game itself inside your browser storage. It will normally be there when you come back on the same device and browser.
How do I play Clonium in full screen?
Use the full-screen button just below the game frame. Press Esc on your keyboard to leave full-screen mode again.
What kind of game is Clonium?
It is a multiplayer game with the tags Arcade, 1 Player, 2d, Skills. Entirely dependent on who you are playing against, and matches of two to ten minutes, best played in a series.
Games similar to Clonium
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