The Gamepad keyboard layout has been in testing for some time, but has now arrived at the final channel (Release Preview), so ...

The First Descendant Gets New Hotfix for Sigma Sector, which should appear as update version 1.058/1.58 on consoles.

Note, however, that it is not normally possible to hold all four D-Pad buttons without specially modified controllers; standard NES/Famicom controllers will not work. To activate the CHR RAM ...