wesnoth-1.12-tools 1:1.12.6-1build2 (s390x binary) in ubuntu bionic

 This package contains various tools for Wesnoth that are especially useful for
 campaign developers, including but not limited to scripts supporting the
 generation and checking of WML (Wesnoth Markup Language). You can find them
 in the directory /usr/share/games/wesnoth/1.12/data/tools
 after installation of the package.
 .
 Battle for control of villages, using variety of units which have advantages
 and disadvantages in different types of terrains and against different types
 of attacks. Units gain experience and advance levels, and are carried over
 from one scenario to the next in a campaign.