The best replacement for go is chess.

The best alternatives to go are rated as following:
★★★★★  chess
★★★  goes
★★  python
★★  come
★★  rust
★★  erlang
★★  no go
★★  scala
★★  stay
★★  psp 3000
★  club car
★  dart
★  node
★  d
★  quickoffice
★  node.js
★  should i stay
★  contract
★  goes grammar
★  dsi
★  othello
★  jenkins
★  psp
  sarah geronimo
  go
  xango
  clojure
  not to go
  danball senki w
  let\u0027s go
  go ahead rufus wainwright
  quick office
  should i stay lyrics
  bistro md
  haskell
  ramos
  pages
  netflix
  not go
  ergo
  c++
  psp slim
  nintendo dsi
  shogi
  iwork
  giving up
  havertys
  went

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

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



Google Trends

Scale is based on the average worldwide traffic of go in all years. Click on graph for more.
go
chess
goes