It's preloaded with 90 puzzles in 3 difficulty levels, more puzzles can be downloaded from the web and it also allows you to enter your own puzzles.

它预装90在3个难度级别的谜题，更多的难题，可以从网上下载，它也允许你输入自己的难题。

youdao

It's preloaded with 90 puzzles in 3 difficulty levels, more puzzles can be downloaded from the web and it also allows you to enter your own puzzles.

它预装90在3个难度级别的谜题，更多的难题，可以从网上下载，它也允许你输入自己的难题。

youdao