The difficulty does need to be ramped up faster (no challenge at all until you get to about 50), and when the game puts the yellow dots on top of the red ones so that you cannot get them without losing life, it is *very* annoying.
Try it, it looks simple but it's not! 4#ce3,457.00,420.05|ce3,456.85,356.70|rvm2,437.85,267.20|rvm4,562.05,370.50|em3,439.25,181.85|l,79.10,358.10|mr,623.45,382.90|ph,364.25,442.10|
 "The Idle RPG"){kind=icon}
 "Zombie vs Knights"){kind=icon}
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 "Dummy Never Fails"){kind=icon}
 "Tealy & Orangey"){kind=icon}
 "Pop Them All"){kind=icon}
 "Wild Allure"){kind=icon}
 "The Magic Box"){kind=icon}
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