Complete the indicated task to unlock the Landscape:

Landscape	How to unlock
8-Bit Plain	Clear Challenge Stage 26 (Level 6)
Fairytale	Clear Challenge Stage 2 (Level 1)
Hanging Gardens	Clear Challenge Stage 27 (Level 6)
Horror	Clear Challenge Stage 11 (Level 3)
Magma	Clear Challenge Stage 7 (Level 2)
Outer Space	Clear Challenge Stage 16 (Level 4)
Persia	Clear Challenge Stage 6 (Level 2)
Snowfield	Clear Challenge Stage 21 (Level 5)
Yamato (Japanese landscape)	Clear Challenge Stage 3 (Level 1)