2.4 Version Released

Game updated to version 2.4. This update mainly focus on some significant bugs.  The update log is attached at the end of this post.

-- update 2.4 --
1. Bug fixed
a. bug: abnormal magnet phenomenon under extreme speed
b. bug: out of range objects are not deleted
2. Syntax optimization
a. delete useless functions
3. Function added
a. add elixir
4. Function modified
a. optimize botton protection
b. optimize magnet algorithm