Rn I am thinking about all answers to speedrun whole game. If you know how to beat level fast or optimise run you are allowed to comment them (also you'll be thanked) :) -=-=-=-=-=-=- U - Up L - Left.
D - Down R - Right -=-=-=-=-=-=- Beach 1: LRUUDRRLDD 2: LUURLDDRUUDRULU 3: DRULULURRRURDLDLULDD 4: DLLUDRRULULLLDLDRRRRUULDRDL 5: DRDLLRRDDLLUDRRUULUULLLDDDRULUURRRDDLLRRRDDLLULURRUULLDURRDRDDULLDLLURUULDRDRRURD 6: DLLRUULDLDLDDRUURRDRUUUDDLLLLUUDRRRDRU 7: LDDUURRDDLRRDDLLULUUDDRDRRUULLRUULLLDLDDRRURRRDDLLULURLULURR 8: Unknown

Dark Dimension 1: Unknown 2: Unknown 3: Unknown 4: Unknown 5: Unknown 6: Unknown 7: DRDDLLDDRUDRUUUDL 8: Unknown

Jungle 1: Unknown 2: Unknown 3: Unknown 4: Unknown 5: LLRDDLLUULDRDDLLURDRUULURRRDRU 6: Unknown 7: Unknown 8: Unknown

Thanks https://www.speedrun.com/user/Fulano for helping :-)