PlayPlay.io - Chess and Ping Pong tracking in Slack
Ordinary Puzzles - A minimalistic puzzle game inspired by Picross and Sudoku.
PongUp - The ping pong leaderboard for awesome offices
Two Dots - Sharpen your puzzle solving skills with a challenging game of dot connection.
Pongbot - Slack bot for ping pong tracking.
PH Builds a Puzzle - A realtime, collaborative jigsaw puzzle.