Realtime Multiplayer Pauli Test
Pauli & Kraepelin test (sometimes called Pauli Test or Tes Koran in Indonesian) is a test that measures the Speed, Accuracy, Consistency, and Endurance when one computes a simple summation mathematical problem, then interprets it into a measure of the personality of a person undergoing a test. This test is commonly used as one of psycological test in recruitment process in Indonesia.
I turned this test into a realtime multiplayer game using socket.io which lets you race against your friends. But be careful. Don't make a mistake!