https://www.google.com/amp/s/www.ign...make%3Famp%3D1
A small studio is making a multiplayer only Spies vs Mercenaries game. It will release on steam in 2021 (very soon!) and will have three maps with classic CT 2v2 gameplay.
They have an active discord and are hosting chat rooms for gadget ideas.
Check it out.
https://youtu.be/qwjf74A2EBo
Here is one of the trailers.