Intergenerational/evolutionary game, passing along donations to future players, in a chain. Scheduling players to arrive at the same time Supergames of an indefinitely repeated prisoner's dilemma Wait page implemented from scratch, using live pages. Fast consensus: Reach a consensus with your group before your payoffs shrink to 0. Bots playing against a human participant Card game (crazy eights) Word search game (multiplayer) Public goods with punishemnt Continuous-time public goods game with slider Asynchronous 2-player game (no waiting for another player) Wisconsin Card Sorting Test Iowa Gambling Task Mini-Twitter Social Value Orientation Measure (SVO) Image annotation Image rating Live coordination (voting with chat/negotiation) Shopping app (online grocery store) Double auction market dollar_auction eBay style auction stroop Attention test (Go/No-Go) Choice list (Holt/Laury, equivalence test, etc) Live bargaining between 2 players Demo of different stimulus randomizations Big 5 personality test PANAS (positive and negative affect schedule) Race game / Nim (take turns adding numbers to reach a target) Reading the Mind in the Eyes Test (Baron-Cohen et al. 2001) Rock/Paper/Scissors Tic-Tac-Toe Strategy Method