Here is the full list of all 44 Kawaii Rainbow Portal achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Version 2.0
steamcommunity.com/id/_MontyS_
steamcommunity.com/id/catalystexecallmehero/
steamcommunity.com/id/faketrump1337
steamcommunity.com/id/leyslive/
steamcommunity.com/id/s_mrzv/
steamcommunity.com/id/lewombatesd
steamcommunity.com/id/progamerstirex
steamcommunity.com/profiles/76561198352540505
steamcommunity.com/id/BGBPEEDOOR/
steamcommunity.com/id/gqz1337
Watch anime 24/7
steamcommunity.com/profiles/76561198381760629/
Click
⊙_⊙
Walkin Dead D1gaTel: steamcommunity.com/id/d1gatel
Stormtrooper
Team NAMA'NA
steamcommunity.com/id/carapa44/
I'm a rabbit...
One love <3
Make your first move
steamcommunity.com/id/mastabombom/
steamcommunity.com/id/programmist6996/
steamcommunity.com/id/taz_s_pelmenyami/
Play Rhythmically
Start!