Instead of a 4-point cross, start by forming a 5-point star on the white face. Align each edge with its side center color.
While doing the final R' D' R D moves, the rest of your puzzle will look scrambled. As long as you finish the full sequence for every corner, it will magically resolve itself at the very end. megaminx-solver-cheat
This moves corners to their correct spots without rotating them. Repeat until every corner is in its home, even if the gray side isn't facing up yet. Algorithm: R' D' R D (Repeat 2 or 4 times) Instead of a 4-point cross, start by forming
Just like a 3x3, insert the white corners and their corresponding side edges. You can use the standard (R U R' U') "sexy move" to slot these in. As long as you finish the full sequence