Welcome to John Tiller Software

John Tiller Software has been developing quality computer wargames for both commercial and military customers since 1995. In that time, John Tiller Software has developed over 70 commercial wargames and successfully performed over a dozen research and development contracts for the Air Force and Navy. Wargames developed by John Tiller Software have received many awards including Wargame of the Year from industry media on multiple occasions. In military education, over 21,000 officers of the United States Air Force have used John Tiller Software's Modern Air Power in the Air University at Maxwell Air Force Base. Wargames developed by John Tiller Software are known for both their user-friendliness and accuracy. They cover the range of military conflict from the time of the musket and pike to present day and the future.

Modern Air Power Android App Available for Playtest

A Modern Air Power Android app is available for download from the Demos page. If you have an Android tablet or large screen smartphone, you may want to try it out and let us know what you think.

Help Veterans of the Iraq and Afghanistan Wars

Visit the IAVA website to see how you can help veterans of the Iraq and Afghanistan wars get the benefits they deserve from the VA.

Napoleonic Battles: Campaign Bautzen Released!

Napoleonic Battles: Campaign Bautzen covering Napoleon's Spring Campaign of 1813, including the massive Battle of Bautzen, is available from The Store.

Civil War Battles: Campaign Overland Released!

Campaign Overland covering the brutal battles in Virginia that started in the fall of 1863 and continued through the campaign between Grant and Lee in the summer of 1864 has been released and is available from the John Tiller Software Store.

Squad Battles: First World War Released!

Squad Battles: First World War covering tactical actions of World War I from the Somme to Gallipoli has been released and is available from the John Tiller Software Store. Covering battles at the tactical level, Squad Battles: First World War allows you to experience the evolution of weapons and tactics over the course of the war from the early Napoleonic-like fighting of 1914 through the first introduction of tanks and later the German Stormtrooper tactics of 1918.

Windows 8 Support

We are in the process of testing our software with Windows 8. So far we have not found any issues but we want to spend more time testing Windows 8 before announcing support for it. If you have any concerns about our software under Windows 8 or if you have any experience with Windows 8 you'd like to share, please contact John Tiller Software Support.

Panzer Campaigns: Moscow '42 Released!

Panzer Campaigns: Moscow '42, covering both the historical Soviet 1941/42 winter counter offensive that almost destroyed Heeresgruppe Mitte in front of Moscow and the hypothetical Fall Kreml (Operation Kremlin in English) in the summer of 1942, is available from The Store.

Air Force Contract Awarded for Modern Air Power Refinements

John Tiller Software has been awarded a 9-month contract by the Squadron Officer College at Maxwell Air Force Base for refinements to Theater Airpower Visualization (TAV), the military professional version of Modern Air Power used in the curriculum there.

Campaign Leipzig 1.03 and Campaign 1814 1.02 Updates Released

The Campaign Leipzig 1.03 and Campaign 1814 1.02 updates have been released.

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