Freeware/Gaming

From Lunarsoft Wiki

America's Army - In the America's Army game, players are bound by Rules of Engagement (ROE) and grow in experience as they navigate challenges in teamwork-based, multiplayer, force versus force operations. In the game, as in the Army, accomplishing missions requires a team effort and adherence to the seven Army Core Values. Through its emphasis on team play, the game demonstrates these values of loyalty, duty, respect, selfless service, honor, integrity and personal courage and makes them integral to success in America's Army.

BZFlag - BZFlag is a free online multiplayer cross-platform open source 3D tank battle game. The name originates from "Battle Zone capture the Flag". It runs on Irix, Linux, *BSD, Windows, Mac OS X, and many other platforms. It's one of the most popular games ever on Silicon Graphics machines and continues to be developed and improved to this day. It's one of the most popular open source games ever.