[macmac]

I am not sure how to play the game. The intro messages reads:

{"success":false,"error":"DuplicateEntryException","message":"\u0027Anonymous1900\u0027 already exists."}

[benjamincburns]

$20 says it's a race condition being caused by multithreaded access to a nonatomic auto incrementing ID...

[ben0x539]

Hm, I thought asm.js didn't expose shared memory (yet(?)).

[sp332]

More likely in a back-end database.

[ben0x539]

Duh. Good point.