Here are some cheats and tips for the game Doshin the Giant.
Bonus levels:
After the villagers build all sixteen monuments an intermission
sequence will begin and a new level will start. Fulfill the
villagers wishes and the credits will start after they build their
monument. Several bonus levels will now be unlocked at the main menu.
Build the good and bad variations of the fifteen monuments in the
museum. Then, destroy one of the monuments. The villagers will
build a mystery monument., followed by an intermission sequence
and bonus levels.