Play on nethack.alt.org with graphical tiles
pip install pygame
git clone https://github.com/alexandrelaplante/nethacktiles.git
cd nethacktiles/
python nethack.py
You'll have to edit a bit of Python. Take a look at constants.py to make changes to screen resolution, tilesets and telnet host.
I've been manually adding tiles that I thought were unambiguous. If you want a certain character to appear as a certain tile, add it to symbols.py. Also consider contributing your changes here!