Games like Lost in Secular Love
Games like Lost in Secular Love include The Hungry Lamb: Traveling in the Late Ming Dynasty, Hatoful Boyfriend, 月华辉映之刻, Love Is All Around, and LoveChoice. We matched them by the tags players give Lost in Secular Love on Steam (Otome, Female Protagonist, Dating Sim, Romance, and Visual Novel): closest matches first, and among equally close ones the better-known games.

The Hungry Lamb: Traveling in the Late Ming Dynasty
Shared: Visual Novel · Multiple Endings · Dating Sim

Hatoful Boyfriend
Shared: Dating Sim · Female Protagonist · Visual Novel

月华辉映之刻
Shared: Female Protagonist · Otome · Dating Sim

Love Is All Around
Shared: Dating Sim · Visual Novel · Romance

LoveChoice
Shared: Dating Sim · Romance · Visual Novel

Amnesia™: Memories
Shared: Otome · Female Protagonist · Visual Novel

Tricolour Lovestory
Shared: Dating Sim · Visual Novel · Romance

私のリアルは充実しすぎている フルボイス版
Shared: Otome · Female Protagonist · Romance

Blood Code
Shared: Female Protagonist · Romance · Otome

Sweet Home
Shared: Female Protagonist · Visual Novel · Dating Sim

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

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

灾厄黑龙与谎言公主
Shared: Otome · Visual Novel · Dating Sim

Volcano Princess
Shared: Female Protagonist · Multiple Endings · Dating Sim

Mirror 2: Project X
Shared: Female Protagonist · Visual Novel · Interactive Fiction

Lay a Beauty to Rest: The Darkness Peach Blossom Spring
Shared: Visual Novel · Multiple Endings · Interactive Fiction

Senren * Banka
Shared: Dating Sim · Visual Novel · Romance

Hakuoki: Kyoto Winds
Shared: Otome · Female Protagonist · Visual Novel

Gaokao.Love.100Days
Shared: Dating Sim · Visual Novel · Romance

Knowledge, or know Lady
Shared: Dating Sim · Romance · Visual Novel

My Vow to My Liege
Shared: Female Protagonist · Otome · Romance

The Weeping Swan: Ten Days of the City's Fall
Shared: Multiple Endings · Interactive Fiction · Visual Novel

1 to 1 humanoid edible toys
Shared: Female Protagonist · Dating Sim · Visual Novel

Lucy -The Eternity She Wished For-
Shared: Visual Novel · Dating Sim · Romance