Games like Hello Love: 18 Again
Games like Hello Love: 18 Again include Love Is All Around, Knowledge, or know Lady, Heartbeat in Thailand, Road to Empress I, and 咸鱼殿下 / My journey. We matched them by the tags players give Hello Love: 18 Again on Steam (Sexual Content, FMV, Dating Sim, Cinematic, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

Love Is All Around
Shared: Sexual Content · Dating Sim · FMV

Knowledge, or know Lady
Shared: Sexual Content · FMV · Dating Sim

Heartbeat in Thailand
Shared: FMV · Sexual Content · Dating Sim

Road to Empress I
Shared: FMV · Story Rich · Immersive Sim

咸鱼殿下 / My journey
Shared: FMV · Dating Sim · Cinematic

Tricolour Lovestory
Shared: Sexual Content · Dating Sim · Visual Novel

Tomorrows Love Puzzle
Shared: FMV · Cinematic · Dating Sim

The Three Kingdoms: Rebirth
Shared: FMV · Dating Sim · Multiple Endings

Dating 4 Girls
Shared: Sexual Content · Dating Sim · FMV

失业了,我获得了亿万游戏财产!
Shared: Sexual Content · FMV · Dating Sim

魔女的夜宴
Shared: Sexual Content · Dating Sim · Multiple Endings

Road to Empress Ⅱ
Shared: FMV · Sexual Content · Story Rich

SIFU Kidnapped! Adventure in the Women's Kingdom
Shared: FMV · Sexual Content · Immersive Sim

Love is All Around 2
Shared: FMV · Dating Sim · Cinematic

Dispatch
Shared: Sexual Content · Story Rich · Nudity

美女,请别影响我成仙
Shared: FMV · Cinematic · Visual Novel

LoveChoice
Shared: Dating Sim · Multiple Endings · Story Rich

恋爱单选题
Shared: Dating Sim · FMV · Cinematic

我只是想让她们都幸福
Shared: FMV · Dating Sim · Immersive Sim

Doki Doki Literature Club Plus!
Shared: Sexual Content · Dating Sim · Visual Novel

ATRI -My Dear Moments-
Shared: Dating Sim · Visual Novel · Story Rich

Love Begins With Goodbye
Shared: FMV · Dating Sim · Multiple Endings

Half Billion: Love Choice
Shared: Dating Sim · FMV · Cinematic

Superscout
Shared: FMV · Dating Sim · Immersive Sim