The best replacement for airsoft is paintball.

The best alternatives to airsoft are rated as following:
★★★★★  paintball
★★★★★  bb
★★★★  nerf
★★★  bb gun
★★  pellet
★★  real gun
★★  airgun
★  paintball pain
★  paintball which is better
★  air rifle
★  bb guns
★  pellet gun
★  bb pellet gun
★  paintball range
★  paintball which hurts more
  paintball hurt more
  rc planes
  co2
  real steel
  paintball accuracy
  softair
  paintball more accurate
  archery
  nerf which is better
  real guns
  paintball youtube
  simunition
  paintballing
  gas airsoft
  aeg

Your alternative for airsoft is not listed? Suggest!
Speaking about airsoft, one probably shouldn't forget about highest rate of fire.

Other search terms related to airsoft and their ratings are:
★★★★★ highest rate of fire
★ m203
You have in mind a companion for airsoft and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of airsoft in all years. Click on graph for more.
airsoft
paintball
bb