MEX6, MEX4, MEX1, MEX2, MEX5

Puzzle	Incorrect guesses	Unlock time (AEST)	Time to solve	Solve time (AEST)
Circular Reasoning	0	Jul 16, 13:00	10h45m	Jul 16, 23:45
My Windmill Has A Pencil	0	Jul 16, 13:00	10h47m	Jul 16, 23:47
Sudok-IMO: A Unique Performance	0	Jul 16, 13:00	11h20m	Jul 17, 00:20
Decomposition	0	Jul 16, 13:00	11h27m	Jul 17, 00:27
Tri-Alphametic	0	Jul 16, 13:00	11h58m	Jul 17, 00:58