itch.io

First, I’ll just state the concept of the puzzle (if anyone is struggling with this part and wants less direct hints, let me know):

Concept

You can get both moths to pass over their respective buttons at the same time, letting the gate open just long enough for the moth at the bottom to move out of the way.

Setup Hint 1

First we need to make sure we can get the gate open at all. The moth on the left needs to travel farther, so what could we use to slow the moth on the right down?

Setup Hint 2

We also need to make sure the third moth is able to see our light. No matter which direction we approach from, there will always be at least one moth that sees it too early. What could we do to make it so this isn't an issue?

Setup Hint 3

We have a lot more options if we set things up with the light off, but we still need a way to turn the light back on once we're in position. There's a wall sticking out above where the moths are, but it is a little too far away. How could the extra snow block help?