pi@raspberrypi:/usr/games/adom $ ./adom

Ancient Domains Of Mystery -- Version 3.3.3
(C) Copyright 1994-2019 Thomas Biskup.
All Rights Reserved.

Error opening terminal: xterm-256color.

So this is what it says, im running raspberry pi 2 on a fresh install, zero experience with linux. I loaded up the terminal and try to run it anyone know what the problem is and how to fix it? this is the ascii version of the game, Thanks.