5 A Puzzle

The FinisAevumReddit led to a site with several games on 5-A:
https://fiveminusa.itch.io/

5-A Game

Dedicated to those I can trust.
Find me or find the truth.
The end of time.

Some kind of labyrinth game similar to old text adventures where you could move north, south, east and west

Solution

????

Friend

Those I trust

Solution

Words that lead to "Finis" or the next set of words. Selecting the ones the lead further down the word lists reveals

Let VERUM INANIS know the Failsafe has triggered via reddit/telegram

Cacophonie Summons

The game shows those words

DIU
inh
svw
ciw
otK
reG
d:F

read from top to down

Discord Invite: UhwwKGF

Which led to a live discord chat with Frances Austin