Walking on the Walls Bug [?]

KoGaMa Profile: www.kogama.com/profile/4859915/
Web Browser: Chrome
Client: Standalone
AboutMyBrowser.com Link: aboutmybrowser.com/X_HDpchm

Steps to Reproduce
1. Go to any project with similar construction as in the video
2. Just try 'walk' through the wall
3. Now you can walk on it.

Video: youtu.be/_g_hjy4ESOs

Additional Information (Optional)
Game from the video: kogama.com/games/play/2335845/