More info about SubBase and links to TWI Forums and Steam Workshop can be found here:
Ever wondered how we, level designers, create a game level and how they change during the development? If so, blocktober is right for you.
First beta of dense jungle map for Rising Storm, RSTE-Anhill is available on Steam Workshop and this site.
Early beta version of a custom map for Rising Storm, Yonabaru is available on Steam Workshop and ro2rs_maps page. See links below for more info.
New version of RSTE-SubBase, a custom map for Rising Storm, is available.
Second version of RSTE-Yonabaru is available on Steam Workshop.
Sixth beta is available on Steam Workshop and this site. See links below for more info.