Pinpon - The ping pong bot for Slack
PlayPlay.io - Chess and Ping Pong tracking in Slack
PongUp - The ping pong leaderboard for awesome offices
Ranked.Fun - An online leaderboard with your friends for your favorite games (Ping Pong, Foosball, Smash Ultimate, Chess, etc.)
Slack Poker Bot - A bot that turns Slack into a Texas Hold'em client
Leaderboard - Keep track of your office games in Slack