Without box&manual : Penguin problem. The World.

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Penguin World is full of secrets.
Building cities and bases, gathering people, gathering secret weapons, raising living creatures and making them fight, fishing, composing items, playing in amusement arcades, going to the toilet. The world expands so much that you can't play every day.
Let's create the ultimate secret base life "Penguin World" that you can enjoy every day for 365 days!