Nightfall Easter Egg - Cheat Codes (Semi-Egg)

Hidden in the final, secret level, "Totality", there are three separate walls with cheat codes written on them.

To activate these codes, blindly type them as you see them here. The words in parenthesis to the right of the codes are what the particular code does.

[FLY] (fly mode)

[GRN] (walk mode)

[BIG] (become larger)

[SMA] (become smaller)

[FAS] (move faster)

[SLO] (move slower)