GLIBCXX_3.4.15

LiTE

Greetings ...

Doomsday.deb :
doomsday: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found (required by doomsday)
doomsday: /usr/lib/libstdc++.so.6: version `GLIBCXX_3.4.15' not found (required by /usr/lib/libdeng2.so.2)

http://murga-linux.com/puppy/viewtopic.php?t=85877

skyjake

The .deb packages offered on dengine.net are meant for Ubuntu 12.04 and therefore are not guaranteed to work on other Linux distros.

The safest bet for you is to get the source package and build it yourself: http://dengine.net/dew/index.php?title=Compilation