Modern Offensive Workshop Maps Pack addon

Instalation Guide:

Extract maps foulder in Counter-Strike Global Offensive\csgo with that, what in archive, if you want to play as intended.
To launch any map, use the developer console (~) and type 'map [mapname]'

If you want to play on both official and mod's maps, then copy foulder to Counter-Strike Global Offensive\csgo
To launch map from mod, use the developer console (~) and type 'map [mapname]'

If you want to play official only maps and without mod-included maps, then delete that archive .-.
To launch any map, do all as usually.

Map collection for ModernOffensive: Steamcommunity.com