2.2.0
2020-12-28
Fix bugs and optimize game features.
2.1
2018-11-18
New designed scene improves usage experience.
Most importantly, it's totally FREE now! All levels can be accessed without limit.
2.0
2017-12-14
New ranking board available.
1.3
2017-09-18
1.More detailed instructions.
2. Operation simplified, easier to play.
1.2
2017-06-07
1. Interface optimized.
2.More detailed instructions for beginners.
1.1
2017-04-13
Fixed some bugs.