Encrypted peer-to-peer messaging

Five in a Row multiplayer game

P2P maze race with items & power-ups

Speed arithmetic challenge

Count 3D blocks before they vanish

Shared-clock duel of charge, strike, guard, and break

Heads-up P2P poker, blinds escalate

Solo or P2P race — same puzzle, fastest wins

Reaction speed test — click numbers in order

Click 1, A, 2, B... alternating sequence

F1-style starting-light reaction time test

Simon Says — repeat the color sequence

Ring the bell when any fruit totals exactly 5!

Audio → subtitles, runs in your browser