Here is where to post about the latest Commander Keen fangame or modification you've finished, a new website you've made, or another Keen-related creation.
Oooh this looks like a great program, however I can't get past what I can only assume is a window that wants me to open a tileset of some sort. The Helpfile mentions something about having to use ModKeen to extract something but I tried downloading the most recent version of ModKeen from the modding forum, ran it and got the same error I get with Keenedit.exe