A memory and deduction card game to play online
3IO is a memory card game for 3 to 6 players. The deck has 36 cards, three copies of each number from 1 to 12. On your turn, reveal cards one at a time to gather three identical numbers: a trio. Remember what has been shown, deduce what the others are hiding, and play right in your browser with no download and no account.
How to play 3IO
Features
- 3 to 6 players, free-for-all or in teams of two (with 4 or 6 players).
- Simple and spicy modes, optional turn timer.
- Automatic reconnection if your connection drops.
- Available in English, French and Arabic, on desktop and mobile.
FAQ
- Is 3IO free?
- Yes, completely free, with no in-app purchases and no ads.
- How many players do I need?
- 3 to 6 players. It is at its best with 4 or 5.
- Can we play in teams?
- Yes, with 4 or 6 players: teammates swap one card at the start and combine their trios.
- Do I need an account?
- No. A nickname is enough: create a room and share its four-character code.