Place a stone.
Take turns placing one stone on any empty space. Twenty-five spaces. Two colors. Your move.
MAKE YOUR MOVEA NEW TURN ON STRATEGY
A small board. A beautiful mind game.
Place a stone, shift the balance, and find your way to four.
Made for iPhone. Played your way.
01 — SIMPLE RULES. UNEXPECTED TURNS.
The move you see is only the beginning.
What will it change?
Take turns placing one stone on any empty space. Twenty-five spaces. Two colors. Your move.
MAKE YOUR MOVEThe first stone above, below, left, and right flips color. Empty spaces are skipped. Even your own stones can turn.


Connect at least four of your color in an unbroken horizontal or vertical line. Think carefully: your move can hand your rival the win.




02 — MEET YOUR NEXT CHALLENGE
Start with Nio. Earn your next challenge.
Win without hints or undo to unlock the next rival. Return to any familiar face for a rematch.

The Curious

The Challenger

The Composed

The Tactician

The Master
03 — MAKE ROOM FOR A RIVAL
Some rivalries are better in person.
Share a board in local Duo mode. Take turns, watch the balance shift, and pass the next move to a friend. No accounts. No connection needed.
YOUR NEXT MOVE
A little focus. A fresh challenge. A game worth coming back to.
Download on theApp StoreRIVOKO for iPhone