Take a look at Counter-Strike: Global Offensive Fan Remake in Source 2 Engine

A team of modders is currently working on a remake of Counter-Strike: Global Offensive in Source 2 Engine, and have shared the first gameplay video from it.

Valve hides 'Left 4 Dead 3' reference in 'Counter-Strike 2' files

Counter-Strike 2 (CS:GO 2) Beta might be coming this month

Valve unveiled Counter-Strike 2: no more Global Offensive, Source 2, updated maps and more - CS2 (CS:GO), Gaming Blog

Counter-Strike: Global Offensive reaches a new online player record due to Counter-Strike 2 - Neowin

PROOF Source 2 is coming to CS:GO

Why CSGO will be way better on Source 2 engine - Glass-DEV

Counter Strike: GO 2 may be in development, release as soon as this month

Counter-Strike: Global Offensive - Wikipedia

THIS IS WHAT CSGO SOURCE 2 GAMEPLAY WILL LOOK LIKE!!