The boards are being split due content exclusivity

PS4 per their changelog only retains Difficulty Normal which you cannot change at this time. Any run showing Easy/Hard will be default change to Normal and Must be PS4

Switch/PC (Steam) - Have 3 difficulties Easy/Normal/Hard which are only Exclusive to these consoles - Each difficulty will have each their own sub-category boards.

All Trophies - Will remain the same Plat and can act the same as All Achievements. Must be timed RTA and show proof from First achievement to Final Achievement