Angband is a graphical dungeon adventure game that uses textual
characters to represent the walls and floors of a dungeon and the
inhabitants therein, in the vein of games like NetHack and Rogue. If
you need help in-game, press '?'.

Your user account will need to be a member of the "games" group in
order to play Angband with best results.

Angband (at least text version) needs UTF-8, listed by: locale -a.
Edit /etc/profile.d/lang.sh or export $LANG, or run such as (for USA):
LANG=en_US.UTF-8 angband.

Run the graphics/tiles version by: angband -msdl2

To restore old class definitions, backup class.txt and replace it
with the contents of the old_class.txt file.  Note that this will
break existing save files.