Intricate

easy 4

Fun. I bet you could do a lot more with this kind of concept too

Crying cube

Helped me understand hole board logic
EDIT: GDI

Longest classic 2x9

easy 2

Good KG - have to think about what the problem is

Puffler

Cursed Key

3x10 Challenge

3x10 is hard to compose puzzles for. You might find it useful to look at the hardest puzzles in this restriction and see if they inspire you:
Insular Dwarfism, Swan Song, Typhus Fever Shananagans, Vanilla Extract, Vanilla Extract II

Phantom Phase

Had to do a big think to resolve my 2 off. Satisfying

Patashu

✍️ Review Chronicles