Arx Fatalis is a first-person action role-playing game released in 2002. The game takes place in a world where the sun has failed and the player must explore a series of underground caverns to uncover a sinister plot.
The game title "Arx Fatalis" most probably features Abaddon, a decorative typeface created by David Nalle, which draws inspiration from the lettering style of Alphons Mucha - a Czech Art Nouveau painter and decorative artist. You can find more details about the typeface here.