Official /u/ recommendations, as voted on by posters

CLASSIC YURI

  Kindred Spirits on the Roof
  Fatal Twelve
  The FLOWERS series
  The Sono Hanabira series
  Yumeutsutsu Re: Master + After
  Aoishiro
  Nurse Love Addiction

FREE GAMES

  Embric of Wulfhammer's Castle
  First Snow
  her tears were my light

RPGS

  Nights of Azure
  HEARTBEAT
  Fire Emblem Three Houses
  Persona 3 Portable
  Digimon Story Cyber Sleuth
  Virgo VS the Zodiac

GAMEPLAY

  Nights of Azure
  Life is Strange
  Rabi Ribi
  Valkyrie Drive Bhikkuni
  Stardew Valley

NOT FROM JAPAN

  A Summer's End — Hong Kong, 1986
  Highway Blossoms
  A Little Lily Princess
  Sakura Dungeon
  Love Ribbon

CHOICE OF LOVE INTERESTS

  Nurse Love Addiction
  Nurse Love Syndrome
  A Little Lily Princess
  Yumeutsutsu Re:Master + Re:After
  The FLOWERS Series
  Lilycle Rainbow Stage

TEXT ONLY GAMES

  The Ghost of You
  Samurai of Hyuga
  Fallen Hero
  Degrees of Lewdity

ERO CONTENT

  The Sono Hanabira series
  Tsui Yuri (Sisterly Bliss)
  A Summer's End: Hong Kong 1986
  Anaheim Girl's Love Story
  Oshirabu

NON-PC GAMES

  Fire Emblem: Three Houses
  Persona 3 Portable
  Summon Night: Swordcraft Story