Pinpon - The ping pong bot for Slack
PlayPlay.io - Chess and Ping Pong tracking in Slack
Papio - Friendly foosball scorekeeper and stats tracker for Slack
PongUp - The ping pong leaderboard for awesome offices
Slack Poker Bot - A bot that turns Slack into a Texas Hold'em client
Slack Connect 4 Bot - A bot that allows you to play Connect 4 on slack!