Quick look at the demo for NeverAwake. upcoming twin stick from the Vritra devs - https://store.steampowered.com/app/1727180/NeverAwake/
You clear the stages when you've collected enough souls, and they loop if you get to the end, so it looks like you have to kill everything and get all the souls as quick as you can, and beat your previous time.
At present, clippa has 451 views spread across 1 video for NeverAwake, with his channel publishing less than an hour of NeverAwake content. This is less than 0.08% of the total video content that clippa has uploaded to YouTube.