У вашего броузера проблема в совместимости с HTML5
Euclidea: Geometric Construction Game with Compass and Straightedge. This video show you how to pass and complete Gamma Level 4.3. Hope this will help you!
Don't forget to subscribe for more puzzle games solutions!
You can request what game you want to solve to me in comment!
I will update the content for this channel almost every day, stay tune! :)
Go here to get your all walkthrough about Euclidea: https://www.youtube.com/playlist?list=PLQLevnjli9l-k1AEDJJZeeHrGHVa8-L37
Delta Picture Thumbnail by: http://rafechisolm.com/img/citgo-logo-iso-1.gif