Click on edit menu. 1-7 - groups e - eyedropper / - settings 8-9 - increment/decrement brush by 0.5 n - +1 brush 0 - not helpful, just don't press o - save level in decimal l - load level in decimal h - set both hues r - rotate & ceiling brush r b - +0.05 brush r c - -0.05 brush r v - +0.1 brush r f - -0.1 brush r q - +0.5 brush r t - random brush r y - ceiling brush r j - block that looks solid but is not i - transparent solid block k - normal brush 2 x - place (or down) w, z, space, ↑ - up a, ← - left d, → - right s, x, ← - down