The Recreational Dentists

Puzzle	Incorrect guesses	Time to solve	Solve time (EST)
Hexagon	0	5m52s	Jan 27, 11:35
In Peter's Garden	7	37h59m	Jan 29, 01:29
Stargazing	1	12h58m	Jan 31, 00:28
Snake on Nine Keys	0	28h7m	Jan 31, 15:37
Pirate Treasure Map	0	84h47m	Feb 1, 00:17
The Password Game	2	130h26m	Feb 3, 21:56
A Real Thinker	6	155h44m	Feb 3, 23:14