The best replacement for mgs is splinter cell.

The best alternatives to mgs are rated as following:
★★★★★  splinter cell
★★★  gta
★★  scgs
★  mls
★  twin snakes
★  rgs
  scotch
  mgs4
  mcgs

Your alternative for mgs is not listed? Suggest!
Speaking about mgs, one probably shouldn't forget about methotrexate 2.5 mgs.

Other search terms related to mgs and their ratings are:
★★★★★ methotrexate 2.5 mgs
You have in mind a companion for mgs and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of mgs in all years. Click on graph for more.
mgs
splinter cell
gta