Challenging
Response from developer
Appreciate the feedback! I’ll try to make the rivals a bit easier :)

A turn-based strategy game on a 5x5 board where placing stones flips others. Aim to create lines of four or more to win, but be mindful of your opponent's opportunities. Features solo challenges, local multiplayer, and interactive lessons.
1.1
October 4, 2026
A cleaner look for your next challenge. - Refreshed Home screen with a compact rival card and softer visuals. - Clearer rival names and progression details. - New black and white victory indicators to track your path to mastery. - Improved layouts for larger text sizes.
MoreAppreciate the feedback! I’ll try to make the rivals a bit easier :)
Rivoko is a turn-based strategy game played on a 5x5 board. Players place stones, which flip adjacent stones, with the goal of creating a line of four or more.
You win by making a line of four or more of your stones horizontally, vertically, or diagonally. However, be cautious as your move might inadvertently create a winning line for your opponent.
Yes, Rivoko offers a local two-player mode on a single iPhone, allowing you to challenge a friend directly. You can even switch colors for a rematch.
No, Rivoko is designed for quiet focus and does not contain any advertisements.
Yes, Rivoko works entirely offline, meaning you can enjoy the game without an internet connection. No accounts are required.
Currently, Rivoko is supported on iPhone devices.
The latest version is 1.0, released on September 10, 2026. Further updates will depend on the developer's plans.
Rivoko has an age rating of 4+, making it suitable for a wide range of players.