is a fast-paced multi-player stock trading game that uses analog telephones as game controllers. Watch a terminal full of charts, graphs and breaking news and make split second decisions to buy or sell stocks like, pizza, candy and gold. Dial the number for a stock and shout Buy! or Sell! into your phone before your competitors do. Their transactions will affect the stock price. The player with largest portfolio at the end of the trading day wins.

Buy! Sell! was developed by泭and Lisa Bethancourt and泭Danny Rankin泭in the泭Whaaat!? Lab泭of the泭 and was featured at the 2020泭, a coveted showcase of alternative game controller schemes and interactions.

Whaaat!? Lab