Parallelism (Remix of Octat)

Paral, Octat's younger brother, explore a weird world. Strangely, the way the tiles switches seems different.

Mobile friendly version :
https://www.puzzlescript.net/play.html?p=85d9474fbf3d143e0ddf742be9b8dcde

Also check out the original :
https://www.puzzlescript.net/play.html?p=7e1e5c5b3cd9de65085e46bfb0a8d002

Even though most of the game is made by me, I would like to thank Toombler for the help at the begining.