The best replacement for diablo 3 is torchlight 2.

The best alternatives to diablo 3 are rated as following:
★★★★★  torchlight 2
★★★★★  wow
★★★★  path of exile
★★★  diablo 2
★★★  skyrim
★★★  guild wars 2
★★  marvel heroes
★★  world of warcraft
★  elder scrolls online
★  dark souls 2
★  dark souls
★  reaper of souls
★  starcraft 2
★  torchlight
★  borderlands 2
★  eso
★  gw2
★  final fantasy 14
★  lol
  gta 5
  dungeon siege 3
  dota 2
  league of legends
  swtor
  kingdom of amalur
  guild wars
  tera

Your alternative for diablo 3 is not listed? Suggest!
Speaking about diablo 3, one probably shouldn't forget about reaper of souls.

Other search terms related to diablo 3 and their ratings are:
★★★★★ reaper of souls
★★★ controller
★★★ battlenet
★★ steam overlay
★ friends like these achievement
intel hd graphics
You have in mind a companion for diablo 3 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of diablo 3 in all years. Click on graph for more.
diablo 3
torchlight 2
wow