1st - click on storage house
2nd - click on the top row middle resource
3rd - try to form a inverted v from the resource to the almost right and left side.
4th - then try to form a house shape without the door and windows
5th - click on the crossbow to add 10 extra resources to all types and click on horses to win the level
Cheat mode
Open the inventory window by clicking on a Storage House. Then, click once on the following items. A red triangle will appear in the item's square as each is selected.
Then, click on Row 6, item 1 (crossbow) to add 10 of each item to your inventory or on Row 6, item 2 (horses) to complete the current level.
Unlimited stones
For unlimited stone's in all levels all you must do is build two quarry's,it will not show that you have unlimited stones in the store house but you do.