I'm having similar troubles as others. I'm not able to jump high enough to get over the second jump at the start. Pressing up and dash and jump repeatedly almost gets me there, but I'm unable to make it work.
Viewing post in Sudden Darkness: Samurai’s Ascension jam comments
Sorry, I should have tried to make the mechanics more clear. There is variable jump height in the game, so holding the jump key sends you higher than lightly tapping it. To get over the second jump, you need to hold jump until you’ve reached the max jump height, then dash upwards to reach the top. It’s a communication error on my end but I hope that helps!