 It currently holds a score of 66 on Metacritic, indicating "generally favourable reviews".Billboard gave the album 4.5/5 stars stating "Sprawling, ambitious and mostly well-executed, "While(1<2)" may confuse his fan base's Ultra-attending electro house contingent, but Deadmau5's double album undoubtedly marks his most mature and forward-thinking release to date".All Music also reviewed positively expressing "While(1<2) is a very good, very restrained, and very inspired Deadmau5 effort.