You need to unblock this content by setting your broser.
ブラウザーはこの内容をブロックしないように設定してください。

INFO:
2D Video Game With C# on Unity: This project began when I first got my PC in November. It began as a fun way to learn a new skill, and quickly became one of my favorite hobbies. I've been working on it ever since, and have clocked in at more than 75 hours of total programming time…
2D Video Game With C# on Unity : 4 Steps - Instructables