I guess you could add Eastern Front (1941)as a Construction set with it's
Eastern Front (1941) Scenario Editor
Eastern Front (1941) Source Code
http://www.atarimania.com/game-atari-400-800-xl-xe-eastern-front-1941-scenario-editor_12207.html
http://www.atarimania.com/game-atari-400-800-xl-xe-eastern-front-1941-source-code_1792.html