Alto's Odyssey

You’re a surfer sliding down slopes in the desert. You gain points by doing backflips and other tricks. You can buy power-ups using picked-up coins. You level up across runs by hitting milestones like “do 2 backflips in one run”.

I enjoyed the experience until I unlocked the first two hidden characters. Then I read online that the best character is the last one you unlock and my mind started telling me to rush through the runs so that I could get the final character. Because you need to complete a lot of milestones to get to the last character, and those milestones felt like more of the same, it felt pointless to play and I uninstalled it.