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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 |
|---|---|---|
| Napoleon's Quagmire | Operational Studies Group | Andreas E. Gebhardt |
| Napoleon's Wheel | Operational Studies Group | Andreas E. Gebhardt |
| NATO | ||
| Nemesis | Legion Wargames | Peter Bennett |
| Nevsky | GMT Games | |
| Newtown | GMT Games | Rob Doane |
| Next War: India-Pakistan | GMT Games | Zhodani |
| Next War: Korea | GMT Games | Tim McCarron |
| Next War: Poland | GMT Games | |
| Next War: Taiwan | GMT Games | |
| Next War: Vietnam | GMT Games | |
| Nightfighter | GMT Games | Allan Cannamores |
| No Better Place to Die | The Gamers | Gary Krockover |
| No Middle Ground | Against the Odds | Dave Jones |
| No Retreat 4: The Italian Front | GMT Games | Bart de Groot |
| No Retreat! | GMT Games | Donald Stone |
| No Retreat: The North African Front | ||
| Norman Conquests | GMT Games | |
| Norman Conquests | GMT Games | |
| Normandy '44 | GMT Games | |
| North Africa '41 | GMT Games | |
| Not War But Murder | Against the Odds | Judd Vance |
| Not War But Murder | Against the Odds | Judd Vance, Tom Cundiff |
| Nothing Gained But Glory - Halmstad-Warksow | GMT Games | Knut Gruenitz |
| Nothing Gained But Glory - Lanskrona | GMT Games | Knut Gruenitz |
| Nothing Gained But Glory - Lund | GMT Games | Knut Gruenitz |
| Nothing Gained But Glory - Malmoe | GMT Games | Knut Gruenitz |
| Nothing Gained But Glory - Nyborg-Fehrbellin | GMT Games | Knut Gruenitz |
| Novi 1799 | Acies Edizioni | Andrea Magno |
| Obbedisco! | Acies Edizioni | Pierre Bulle |
| Onslaught | Simulations Publications, Inc., TSR | |
| Operation Battleaxe | Revolution Games | Peter Bennett, Judd Vance |
| Operation Dauntless | GMT Games | |
| Operation Edelweiss | Clash of Arms | Peter Dietrich |
| Operation Mercury | GMT Games | |
| Pacific Islands Campaign: Iwo Jima | Grognard Simulations Inc. | Antonio Pinar Peña |
| Pacific War | GMT Games, Victory Games | |
| Pacific War | ||
| Panzer | GMT Games | Rob Doane |
| Panzer | GMT Games | Rob Doane |
| Panzer North Africa | GMT Games | |
| Panzergruppe Guderian | Simulations Publications, Inc. | Mark Beninger |
| Parcel O'Rogues | Red Sash Games | Kevin Conway |
| Paris v.b.u. Messe - Dreux 1562 | Vae Victis | Knut Gruenitz |
| Paris v.b.u. Messe - Ivry 1590 | Vae Victis | Knut Gruenitz |
| Pas de Calais | Vanguard Games | Peter Dietrich |
| Paths of Glory | GMT Games | Joel Toppen, Mark Beninger |
| Patton's Vanguard | Revolution Games | Judd Vance |
| Paul Koenig's Fortress Europe | Paul Koenig Games | Steve Bradford |
| Paul Koenig's Market Garden: Arnhem | Victory Point Games |
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