0 A.D. (pronounced "zero ey-dee") is a free, open-source, cross-platform
real-time strategy (RTS) game of ancient warfare.

To include the Atlas editor, which requires wxPython3
    ATLAS=enable ./0ad.SlackBuild

v0.0.23b is the last version to run on stock slackware 14.2 as newer
versions require at least gcc 7 or newer to compile.