XiStrat (aka 'Extended Strategy') is in particular about turn-based, networked multiplayer, non-cooperative, zero-sum, abstract strategy board games (e.g., Chess, Go, Reversi variants, etc.) on 3D-visualized polyhedra and contains a server, client GUI, autoplayer engine, utilities, and documentation. Related recreational modern mathematics (single agent, cellular automata, graph/group/complexity/knot theory, discrete geometry, algebra, combinatorics, and mathematical physics) is also dealt with.
Solar Empire is a browser-based strategy game (BBS). Users control fleets, planets, and equipment to conquer the galaxy. Almost limitless variation is given by advanced customization options. Master the arts of colonization and exploration while playing a noble but precarious game of warfare to ensure survival.