The Portable Wargame concept has continued to evolve since the first book was published in 2017, and the First and Second Portable Wargame Compendia were published in 2022 and 2023 respectively. The Third Portable Wargame Compendium has been compiled and edited by Bob Cordery, and contains contributions from Archduke Piccolo, Bob Cordery, Mark Cordone, Arthur Harman, Nick Huband, Paul Leeson, Mike Lewis and Professor Gary Sheffield. This is the third Portable Wargame Compendium, and it contains the following: Modifications to the Ancients rules in Developing the Portable Wargame for fighting medieval battles Constantinople Beleaguered... a PW3x3RW campaign idea A simple English Civil War campaign system for Portable Pike and Shot Simple English Civil War 8 x 8 Campaign Rules Some suggested improvements to the Brigade-level Portable Napoleonic Wargame Rules Developing the Napoleonic Brigade-level Portable Wargame Ideas for developing the Portable Napoleonic Big Battle or FP3x3PW Rules Wargaming the Flagstaff War – New Zealand 1845 – 1846 Towards a Portable Gettysburg Sham-Battle and the Portable Wargame: Melding two concepts to produce a set of mini-campaign rules Some well-known scenarios revisited Big Battles, Small Armies A simple framework for narrative campaigns 6 x 6 Portable Wargames