The best replacement for cs go is css.

The best alternatives to cs go are rated as following:
★★★★★  css
★★★  insurgency
★★★  1.6
★★★  bf4
★★  tf2
★★  dota 2
★  crossfire
★  cs source
★  cod4
  cs 1.6
  mw3

Your alternative for cs go is not listed? Suggest!
Speaking about cs go, one probably shouldn't forget about bots.

Other search terms related to cs go and their ratings are:
★★★★★ bots
★★ friends against bots
You have in mind a companion for cs go and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of cs go in all years. Click on graph for more.
cs go
css
insurgency