Games like A Light in the Dark
Games like A Light in the Dark include Doki Doki Literature Club Plus!, LoveChoice, ATRI -My Dear Moments-, AI: The Somnium Files, and Tiny Snow. We matched them by the tags players give A Light in the Dark on Steam (Indie, Visual Novel, Casual, Violent, and Anime): closest matches first, and among equally close ones the better-known games.

Doki Doki Literature Club Plus!
Shared: Visual Novel · Anime · Gore

LoveChoice
Shared: Visual Novel · Story Rich · Multiple Endings

ATRI -My Dear Moments-
Shared: Visual Novel · Anime · Casual

AI: The Somnium Files
Shared: Visual Novel · Anime · Story Rich

Tiny Snow
Shared: Indie · Visual Novel · Casual

STEINS;GATE
Shared: Visual Novel · Anime · Story Rich

Undertale
Shared: Story Rich · Indie · Great Soundtrack

CLANNAD
Shared: Visual Novel · Anime · Story Rich

Tricolour Lovestory
Shared: Visual Novel · Anime · Casual

Senren * Banka
Shared: Visual Novel · Anime · Casual

Tiny Bunny
Shared: Visual Novel · Story Rich · Gore

Volcano Princess
Shared: Multiple Endings · Visual Novel · Anime

Raging Loop
Shared: Visual Novel · Indie · Story Rich

Magical Girl Witch Trials
Shared: Visual Novel · Story Rich · Anime

Mirror 2: Project X
Shared: Visual Novel · Anime · Multiple Endings

Marco & The Galaxy Dragon
Shared: Visual Novel · Anime · Casual

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

NEEDY STREAMER OVERLOAD
Shared: Visual Novel · Anime · Multiple Endings

七人杀阵 - Seven Sacrifices
Shared: Indie · Casual · Violent

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

Fox Hime Zero
Shared: Visual Novel · Indie · Anime

STEINS;GATE 0
Shared: Visual Novel · Anime · Story Rich

Zero Escape: The Nonary Games
Shared: Visual Novel · Story Rich · Multiple Endings

Hotline Miami
Shared: Indie · Violent · Great Soundtrack