Games like Degraman: Act I. Vincent
Games like Degraman: Act I. Vincent include LoveChoice, Volcano Princess, Hatoful Boyfriend, ATRI -My Dear Moments-, and Amnesia™: Memories. We matched them by the tags players give Degraman: Act I. Vincent on Steam (Story Rich, Multiple Endings, Otome, Thriller, and Visual Novel): closest matches first, and among equally close ones the better-known games.

LoveChoice
Shared: Story Rich · Multiple Endings · Romance

Volcano Princess
Shared: Multiple Endings · Female Protagonist · Choices Matter

Hatoful Boyfriend
Shared: Story Rich · Visual Novel · Otome

ATRI -My Dear Moments-
Shared: Story Rich · Visual Novel · Multiple Endings

Amnesia™: Memories
Shared: Otome · Visual Novel · Multiple Endings

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

STEINS;GATE
Shared: Story Rich · Visual Novel · Multiple Endings

Senren * Banka
Shared: Visual Novel · Multiple Endings · Casual

CLANNAD
Shared: Story Rich · Visual Novel · Multiple Endings

Mirror 2: Project X
Shared: Visual Novel · Multiple Endings · Female Protagonist

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

My Vow to My Liege
Shared: Otome · Visual Novel · Romance

Love Is All Around
Shared: Visual Novel · Multiple Endings · Romance

The Coffin of Andy and Leyley
Shared: Story Rich · Multiple Endings · Visual Novel

Folie Fatale
Shared: Otome · Visual Novel · Female Protagonist

Undertale
Shared: Story Rich · Multiple Endings · Choices Matter

The Wolf Among Us
Shared: Story Rich · Multiple Endings · Visual Novel

Lucy -The Eternity She Wished For-
Shared: Story Rich · Visual Novel · Multiple Endings

Blood Code
Shared: Visual Novel · Otome · Romance

Florence
Shared: Story Rich · Casual · Romance

Far Away
Shared: Story Rich · Visual Novel · Singleplayer

Doki Doki Literature Club Plus!
Shared: Visual Novel · Story Rich · Multiple Endings

Hakuoki: Kyoto Winds
Shared: Otome · Visual Novel · Story Rich

BUSTAFELLOWS
Shared: Otome · Story Rich · Visual Novel