Games like Lily's Lil Barn Yard!
Games like Lily's Lil Barn Yard! include Death and Taxes, That's not my Neighbor, Sally Face - Episode One, Fran Bow, and Slay the Princess — The Pristine Cut. We matched them by the tags players give Lily's Lil Barn Yard! on Steam (Adventure, Casual, Simulation, Horror, and Strategy): closest matches first, and among equally close ones the better-known games.

Death and Taxes
Shared: Simulation · Psychological Horror · Strategy

That's not my Neighbor
Shared: Adventure · Casual · Horror

Sally Face - Episode One
Shared: Horror · Psychological Horror · Adventure

Fran Bow
Shared: Adventure · Psychological Horror · Horror

Slay the Princess — The Pristine Cut
Shared: Horror · Psychological Horror · Visual Novel

Who's Lila?
Shared: Horror · Psychological Horror · Point & Click

Tiny Bunny
Shared: Horror · Psychological Horror · Visual Novel

Milk inside a bag of milk inside a bag of milk
Shared: Horror · Psychological Horror · Adventure

Storyteller
Shared: Adventure · Interactive Fiction · Point & Click

There Is No Game: Wrong Dimension
Shared: Adventure · Casual · Point & Click

Endacopia
Shared: Adventure · Horror · Psychological Horror

Rusty Lake Paradise
Shared: Adventure · Horror · Point & Click

Little Nightmares II
Shared: Adventure · Horror · Psychological Horror

The Test
Shared: Simulation · Psychological Horror · Choose Your Own Adventure

Lobotomy Corporation | Monster Management Simulation
Shared: Simulation · Psychological Horror · Horror

[Chillas Art] Stigmatized Property
Shared: Adventure · Casual · Horror

Vampires' Melody
Shared: Casual · Adventure · Interactive Fiction

Detention
Shared: Horror · Adventure · Psychological Horror

Dagon: by H. P. Lovecraft
Shared: Horror · Psychological Horror · Visual Novel

Little Misfortune
Shared: Adventure · Psychological Horror · Horror

The Room Two
Shared: Adventure · Horror · Puzzle

[Chillas Art] The Convenience Store
Shared: Adventure · Horror · Simulation

MiSide
Shared: Psychological Horror · Horror · Adventure

MOLE
Shared: Adventure · Simulation · Horror