This week, 80 - 20 = <<80-20=60>>60 people watched the first game.
While 80 + 15 = <<80+15=95>>95 people watched the third game.
A total of 80 + 60 + 95 = <<80+60+95=235>>235 people watched the games this week.
Thus, 235 - 200 = <<235-200=35>>35 more people watched the games this week than last week.
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