1   Just for fun 2   Goal conquest 3   Criss-cross 4   The key 5   Triple lock 6   Candy sugar 7   Fallback 8   Ali Baba's cave 9   Fake doors 10   Eye of the storm 11   Home, sweet home 12   Concentration 13   Castle, sweet castle 14   Private yard 15   Wandering 16   Ordered chaos 17   X-file 18   Backdoor 19   Bubbles in a bottle 20   The octopus' hole 21   Cheops 22   Pythagoras' hobby 23   Pythagoras' quest 24   Another brick in the wall 25   The spine 26   The blockade 27   Back to tradition 28   Narrow passage 29   Ant-hill 30   Zen garden 31   Kare-san-sui 32   The Teotihuacan equation 33   Optimizer's challenge 34   Options Palace's contest 35   Vertical warehouse 36   Run, chicken! 37   Discharge 38   Scrabbleban 39   Crazy temple 40   Senate and Parliament 41   Tough rider 42   The galley 43   On-site parking 44   Excalibur 45   Random warrior 46   What a mess! 47   Storeman's work 48   Storeman's tricky work 49   Kheops' tomb 50   Mental connection