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Vassal
VASSAL is an open-source game engine which allows users to both play in real time (over a live Internet connection) and as PBeM ( via email). It runs on all platforms, and is free for personal use.
The files that are created/used for each individual game title are known as 'mods'.
Vassal is extremely popular amongst wargamers and, of all the games engines, probably has the greatest number of games supported. Creating 'mods' is more technical than for either Cyberboard or ZunTzu.
The software can be download from the VASSAL Website.
| Title | Publisher | Author |
|---|---|---|
| The British Way: Counterinsurgency at the End of Empire | GMT Games | |
| The Bulge: FAB #1 | GMT Games | Mark Beninger |
| The Burning Blue | GMT Games | |
| The Campaign for Vicksburg 1863 AD | Turning Point Simulations | Dave Jones |
| The Campaigns of Robert E. Lee | Clash of Arms | Dave Rubin |
| The Caucasus Campaign | GMT Games | Kryzystof Chadaj |
| The Coming Storm | Operational Studies Group | Andreas E. Gebhardt |
| The Conquerors: Alexander the Great | GMT Games | John Bowers |
| The Dark Sands | GMT Games | |
| The Dark Valley | GMT Games | |
| The Day is Ours (Princeton 1777) | War Diary, Lock 'N Load Publishing | Tom Cundiff |
| The day of Waterloo | Turning Point Simulations | |
| The Day Was Ours | Richard Handewith | |
| The Deadly Woods | Revolution Games | |
| The Devil's to Pay | Clash of Arms | Lee Trowbridge |
| The DragonLords | Fantasy Games Unlimited | Phillip Weltsch |
| The Emperor Returns | Clash of Arms | John Gant |
| The Fall of the Third Reich | Compass Games | Dave Jones |
| The Fords of Isen | Ken Demyen & LYG | Ken Demyen |
| The Grand Campaign | Schroeder Publishing & Wargames | Peter Dietrich |
| The Great Game | Legion Wargames | Peter Bennett |
| The Great Invasion | Clash of Arms | Judd Vance |
| The Hunters | Consim Press, GMT Games | Joel Toppen |
| The Hunters | Consim Press | Joel Toppen |
| The Invasion of Russia | Europa Simulazioni | Peter Bennett |
| The Invincible Armada | Turning Point Simulations | |
| The Last Hundred Yards | GMT Games | |
| The Last Hundred Yards | GMT Games | |
| The Last Hundred Yards Vol 3: The Solomon Islands | GMT Games | |
| The Last Hundred Yards Volume 2: Airborne Over Europe | GMT Games | |
| The Last Success | Operational Studies Group | Knut Gruenitz, Andreas E. Gebhardt |
| The Last Victory | Clash of Arms | Peter Dietrich |
| The Mighty Endeavor | Multi-Man Publishing | Gary Krockover |
| The Next War | Simulations Publications, Inc. | Richard Lee |
| The Plum Island Horror | GMT Games | |
| The Russian Campaign | ||
| The Russian Campaign (3rd & 4th Ed) | Avalon Hill | |
| The US Civil War | GMT Games | |
| The War for the Union | Compass Games | Jim Pyle, Carl Ise |
| Thirty Years War | GMT Games | Joel Toppen |
| Thirty Years War Quad | Simulations Publications, Inc. | Phillip Weltsch |
| This Accursed Civil War I: 1st Newbury | GMT Games | Knut Gruenitz |
| This Accursed Civil War II: Edgehill | GMT Games | Knut Gruenitz |
| This Accursed Civil War III: Naseby | GMT Games | Knut Gruenitz |
| This Accursed Civil War IV: Marston Moor | GMT Games | Knut Gruenitz |
| This Accursed Civil War V: 2nd Newbury | GMT Games | Knut Gruenitz |
| This Accursed Civil War VI: Cheriton | GMT Games | Knut Gruenitz |
| This War Without an Enemy | Nuts! Publishing | |
| Three Days of Gettysburg | GMT Games | |
| Thunder at Dawn | Revolution Games | Richard Handewith |
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