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(Moderators: william wu, Eigenray, SMQ, Grimbal, towr, Icarus, ThudnBlunder)
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  Subject Started by Replies Views Last post
Moved: 10x10 Vending Machine mattian 0 4067 Jul 17th, 2012, 8:54am
by Grimbal
Seating Couples william wu 6 11837 Jul 19th, 2012, 6:33am
by nakli
Variation to the sum - product riddle Altamira_64 11 4368 Jun 25th, 2012, 4:24am
by N/A
Mosquitoes and new repellent Altamira_64 7 4763 Jun 17th, 2012, 1:52am
by Altamira_64
Fitting Circles In A Rectangle SWF 17 12603 May 29th, 2012, 11:13am
by Grimbal
CHECKING ROBOTS karlpa 7 5142 May 26th, 2012, 4:02am
by rmsgrey
Sprinting event Altamira_64 2 3331 May 17th, 2012, 3:30am
by Altamira_64
NIM game Altamira_64 3 3109 May 8th, 2012, 12:12pm
by towr
The Rubix Cube: a match challenge ! drakebr 2 2813 Apr 20th, 2012, 1:12pm
by brac37
Possible-Solution -to the- "Three-Way-Pistol-Duel" Talabeh 1 4671 Apr 8th, 2012, 1:54am
by towr
"Moving" Binary Search Riddle k2xl 2 4050 Sep 16th, 2011, 4:27pm
by Hippo
TopSwops nakli 1 6656 Oct 28th, 2010, 9:06am
by towr
Lazy hunter catch the rabbit.
« Pages 1 2 »
ERIC H. ZENGULUS 29 13864 Mar 26th, 2012, 7:02am
by rmsgrey
Combinations of Pi and Sqrt(2)
« Pages 1 2 3 »
william wu 60 19483 Mar 15th, 2012, 2:26pm
by Mickey1
NEW PROBLEM:  The Gods of Gibberland
« Pages 1 2 3 4 5 »
Eric Yeh 103 15598 Jan 19th, 2012, 10:13am
by towr
100 prisoners & a lightbulb: Technical SMQ 17 24846 Feb 29th, 2012, 7:52am
by Hippo
Group existence k505rst 7 2592 Feb 13th, 2012, 8:30pm
by Michael Dagg
Two-Person Traversal of a Sequence of Cities S4T4N 7 6405 Jan 10th, 2012, 9:46am
by towr
Moved: expected number of hoops and loops inexorable 0 1835 Jan 8th, 2012, 5:44am
by SMQ
Peano, Godel and Goldbach Mickey1 2 2448 Dec 29th, 2011, 2:01am
by Mickey1
THE MIRRORED MAZE atgdax 17 3875 Nov 29th, 2011, 4:46am
by SMQ
HARD: GREEDY PIRATES
« Pages 1 2 3 4 5 »
Frank Gevaerts 122 34718 Aug 9th, 2010, 4:13pm
by Hippo
Hard: BUTTON TRAP ROOM Viorel Canja 10 9079 Jan 23rd, 2011, 1:08am
by Mickey1
SINGLE-FILE HAT EXECUTION oneself 23 15497 Nov 24th, 2011, 8:45am
by rmsgrey
Cope-atz Conjecture aicoped 5 4501 Nov 6th, 2011, 11:01am
by aicoped
Alien Abduction Enigami 4 5627 Feb 15th, 2010, 12:53pm
by Enigami
Moved: challange puzzle RajivG 0 2196 Oct 21st, 2011, 12:07am
by Hippo
Differentiation Disaster
« Pages 1 2 »
-D- 48 32378 Dec 8th, 2008, 3:59pm
by Gary
Moved: Hard 1, need answer ASAP! Infernal_Max 0 2328 Sep 5th, 2011, 1:37pm
by Infernal_Max
CRIMINAL CUPBEARERS with 3 Prisoners 3point1415 0 2276 Aug 22nd, 2011, 7:13am
by 3point1415
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