Games like Otaku's Adventure
Games like Otaku's Adventure include The Hungry Lamb: Traveling in the Late Ming Dynasty, LoveChoice, Undertale, Senren * Banka, and ATRI -My Dear Moments-. We matched them by the tags players give Otaku's Adventure on Steam (Funny, Multiple Endings, Dating Sim, Visual Novel, and Indie): 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

LoveChoice
Shared: Dating Sim · Multiple Endings · Visual Novel

Undertale
Shared: Multiple Endings · Funny · Story Rich

Senren * Banka
Shared: Dating Sim · Visual Novel · Multiple Endings

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

Volcano Princess
Shared: Multiple Endings · Dating Sim · RPG

Love Is All Around
Shared: Dating Sim · Visual Novel · Multiple Endings

The NOexistenceN of you AND me
Shared: Multiple Endings · Visual Novel · Anime

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

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

CLANNAD
Shared: Visual Novel · Multiple Endings · Dating Sim

Magical Princess
Shared: Multiple Endings · RPG · Dating Sim

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

他人世界末 On-looker
Shared: Multiple Endings · Dating Sim · Visual Novel

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

Hatoful Boyfriend
Shared: Dating Sim · Visual Novel · Anime

Fox Hime Zero
Shared: Visual Novel · Indie · Anime

There Is No Game: Wrong Dimension
Shared: Indie · Funny · Adventure

OneShot
Shared: Indie · Story Rich · Multiple Endings

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

To the Moon
Shared: Indie · Story Rich · Adventure

小白兔电商~Bunny e-Shop
Shared: Dating Sim · Visual Novel · Anime

Legend of Mortal
Shared: Multiple Endings · RPG · Dating Sim

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