Glitch in Raft Wars 2

There is a glitch in Raft Wars 2. Every time you hit your opponent or your opponent hits you, you turn into a Viking momentarily. Sometimes you keep the shield. There is a link to the game and a video of what happens.

Here is the link: https://sites.google.com/site/tyroneunblockedgame/raft-wars-2

Here is the video.

And here is another.