Gaming browser has issues in online games

Yea, it's irony So these side/bottom bars appears in online games are really annoying I wish it works as in classic Opera

Fireboy and Watergirl in the Forest Temple Free Online Math Games, Cool Puzzles, and More

I cant click on the play button. I wont let me click it, it's greyed out. This happens in every version of the game, browser, steam etc. Any idea whats going on?

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