This is my first game in construct 2, read a few of the tutorials here. Have been using rpgmaker for years now.
When ever I use this while event the screen is completely black when run. But other wise it is exactly as it should be.
Score variable is 0 in the beginning.
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C2 already runs in a loop, so you don't want to use While. Try "Every 3 seconds" with your conditions under that instead.