The best replacement for big boss is solid snake.

The best alternatives to big boss are rated as following:
★★★★★  solid snake
★★  sam fisher
★★  snake
★★  raiden
★  nick fury
★  nuwave
★  solidus
★  kbc
★  old snake
★  nuwave oven
  big boss ii
  magic bullet
  ocelot
  rcbs rock chucker

Your alternative for big boss is not listed? Suggest!
Speaking about big boss, one probably shouldn't forget about veena.

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



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big boss
solid snake
sam fisher