What are some tricky to reach areas in the game? Like for example there's this 'ladder' at the top right of this level: With like a really precise bomb jump I can get onto the ladder, and I've been able to climb up one rung, but couldn't reach the top before blowing up. The trickiest part is jumping up without going into the door lol. I wonder if you could reach the top rung and if it'd be possible to go off the top edge of the screen by somehow bomb jumping up from the top rung of that 'ladder'.