The best replacement for odst is spartan.


The best alternatives to odst are rated as following:
★★★★★  spartan
★★★  halo 3
★★  reach
★★  cog
★★  spartan 3
★★  n7
★  arc trooper
★  spartan 4
★  borderlands
★  republic commando
★  stormtrooper
★  noble team
  clone commando
  brutes
  halo reach
  kasrkin
  arc troopers

Your alternative for odst is not listed? Suggest!
Speaking about odst, one probably shouldn't forget about halo 3.

Other search terms related to odst and their ratings are:

★★★★★ halo 3
recon
You have in mind a companion for odst and it is not yet here? Propose!



Google Trends

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odst
spartan
halo 3