I thought you might be interested in looking at ARMA 2 Free - For Combined Ops Lite.
https://forums.bohemia.net/forums/topic/122735-arma-2-free-for-combined-ops-lite/?do=findComment&comment=2059202
× Pasted as rich text. Restore formatting
Only 75 emoji are allowed.
× Your link has been automatically embedded. Display as a link instead
× Your previous content has been restored. Clear editor
× You cannot paste images directly. Upload or insert images from URL.