Games like Natural - Beyond Nature - Original Ending Theme
Games like Natural - Beyond Nature - Original Ending Theme include Mirror 2: Project X, Far Away, Lay a Beauty to Rest: The Darkness Peach Blossom Spring, The Hungry Lamb: Traveling in the Late Ming Dynasty, and The Wolf Among Us. We matched them by the tags players give Natural - Beyond Nature - Original Ending Theme on Steam (Indie, Casual, Adventure, Visual Novel, and Anime): closest matches first, and among equally close ones the better-known games.

Mirror 2: Project X
Shared: Anime · Visual Novel · Singleplayer

Far Away
Shared: Visual Novel · Singleplayer · Indie

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

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

The Wolf Among Us
Shared: Adventure · Visual Novel · Multiple Endings

Florence
Shared: Indie · Casual · Adventure

Senren * Banka
Shared: Visual Novel · Casual · Anime

Vampires' Melody
Shared: Casual · Visual Novel · Adventure

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

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

Tiny Snow
Shared: Indie · Visual Novel · Casual

Fox Hime Zero
Shared: Indie · Visual Novel · Anime

Raging Loop
Shared: Visual Novel · Adventure · Indie

STEINS;GATE
Shared: Visual Novel · Anime · Multiple Endings

The Test
Shared: Multiple Endings · Choose Your Own Adventure · Singleplayer

Fluffy Store
Shared: Indie · Visual Novel · Adventure

Emily is Away <3
Shared: Indie · Casual · Multiple Endings

Fox Hime
Shared: Casual · Visual Novel · Indie

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

Coffee Talk
Shared: Visual Novel · Casual · Interactive Fiction

Sixtieth Kilometer
Shared: Indie · Casual · Visual Novel

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

The Life and Suffering of Sir Brante
Shared: Visual Novel · Indie · Interactive Fiction

Suzerain
Shared: Visual Novel · Choose Your Own Adventure · Interactive Fiction