An entire shooter based solely upon the principles of fy_iceworld & gun game would wipe the floor with most other AAA titles on offer right now.
I've even stumbled upon fy_pool_day recreation in Roblox.
Almost anything your nostalgia can think of is available "current" games like Fortnite and Roblox.
I did try playing CS more serious for some time but I just couldn't stand it and I never had the patience. Got to respect that.
Quake requires more skill btw.
Competitive Quake is to CS, like bowling is to basketball btw