Games like Winter's Trumpet
Games like Winter's Trumpet include There Is No Game: Wrong Dimension, Storyteller, To the Moon, Florence, and That's not my Neighbor. We matched them by the tags players give Winter's Trumpet on Steam (Adventure, Supernatural, Romance, Fantasy, and Casual): closest matches first, and among equally close ones the better-known games.

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

Storyteller
Shared: Adventure · Point & Click · Fantasy

To the Moon
Shared: Adventure · Romance · Indie

Florence
Shared: Adventure · Romance · Casual

That's not my Neighbor
Shared: Adventure · Casual · Point & Click

Unavowed
Shared: Adventure · Supernatural · Point & Click

Baldur's Gate 3
Shared: Adventure · Choices Matter · Fantasy

Papers, Please
Shared: Point & Click · Indie · Pixel Graphics

DAVE THE DIVER
Shared: Adventure · Casual · Pixel Graphics

The Darkside Detective
Shared: Adventure · Point & Click · Pixel Graphics

Evoland
Shared: Adventure · Fantasy · Indie

Melvor Idle
Shared: Adventure · Casual · Indie

Coffee Talk
Shared: Dialogue Heavy · Pixel Graphics · Casual

Tails Noir
Shared: Adventure · Dialogue Heavy · Pixel Graphics

Kingdom Rush Frontiers - Tower Defense
Shared: Fantasy · 2D · Adventure

Shovel Knight: Treasure Trove
Shared: Adventure · Pixel Graphics · 2D

The Blackwell Legacy
Shared: Adventure · Supernatural · Point & Click

Beat Cop
Shared: Adventure · Pixel Graphics · Indie

Little Misfortune
Shared: Adventure · Point & Click · Choices Matter

Lil' Guardsman
Shared: Adventure · Casual · Point & Click

The Rewinder
Shared: Adventure · Pixel Graphics · Point & Click

Superbrothers: Sword & Sworcery EP
Shared: Adventure · Point & Click · Fantasy

Until Then
Shared: Romance · Adventure · Pixel Graphics

A Bird Story
Shared: Adventure · Indie · Pixel Graphics