Games like September 19
Games like September 19 include LoveChoice, The Life and Suffering of Sir Brante, Road to Empress I, Suzerain, and The Hungry Lamb: Traveling in the Late Ming Dynasty. We matched them by the tags players give September 19 on Steam (Visual Novel, Interactive Fiction, RPG, Romance, and Choices Matter): closest matches first, and among equally close ones the better-known games.

LoveChoice
Shared: Romance · Visual Novel · Choices Matter

The Life and Suffering of Sir Brante
Shared: RPG · Interactive Fiction · Choices Matter

Road to Empress I
Shared: Choices Matter · RPG · Visual Novel

Suzerain
Shared: Visual Novel · Interactive Fiction · Choices Matter

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

风信楼
Shared: Interactive Fiction · Visual Novel · Choices Matter

Love Is All Around
Shared: Visual Novel · Romance · Interactive Fiction

Lost Records: Bloom & Rage
Shared: Choices Matter · Romance · Story Rich

Slay the Princess — The Pristine Cut
Shared: Visual Novel · Choices Matter · Romance

Aliya: Timelink
Shared: Interactive Fiction · Visual Novel · RPG

I Wani Hug that Gator!
Shared: Visual Novel · Romance · Interactive Fiction

Minds Beneath Us
Shared: Visual Novel · Cinematic · Choices Matter

Roadwarden
Shared: RPG · Interactive Fiction · Choices Matter

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Story Rich · Atmospheric

Scarlet Hollow
Shared: Visual Novel · Choices Matter · Interactive Fiction

Detroit: Become Human
Shared: Choices Matter · Multiple Endings · Story Rich

The Three Kingdoms: Rebirth
Shared: Visual Novel · Romance · Interactive Fiction

Mirror 2: Project X
Shared: Visual Novel · Interactive Fiction · RPG

Neo Cab
Shared: Visual Novel · Interactive Fiction · Choices Matter

Volcano Princess
Shared: RPG · Choices Matter · Multiple Endings

Undertale
Shared: Choices Matter · Multiple Endings · RPG

Baldur's Gate 3
Shared: RPG · Choices Matter · Story Rich

Disco Elysium - The Final Cut
Shared: RPG · Choices Matter · Story Rich

Otaku's Adventure
Shared: Visual Novel · Multiple Endings · RPG