Compared with CSGO, "CSGO2" uses the Valve Source 2 engine, with better graphics, and all maps have been renovated and remade. The following is the effect of CSGO2 map renovation for everyone.
Completely revamped map
Completely overhauled maps have been rebuilt from the ground up, taking full advantage of all new Source 2 tools and rendering features.
Point A Avenue
CSGO:

CSGO2

Lower level of tunnel
CSGO

CSGO2

lounge
CSGO

CSGO2

bomb placement area
CSGO

CSGO2
