Games like Welcome to Bummertown
Games like Welcome to Bummertown include Undertale, DELTARUNE, To the Moon, OneShot, and There Is No Game: Wrong Dimension. We matched them by the tags players give Welcome to Bummertown on Steam (Indie, Adventure, Casual, Pixel Graphics, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Undertale
Shared: Story Rich · Pixel Graphics · Indie

DELTARUNE
Shared: Pixel Graphics · Story Rich · Singleplayer

To the Moon
Shared: Indie · Story Rich · Adventure

OneShot
Shared: Indie · Pixel Graphics · Story Rich

There Is No Game: Wrong Dimension
Shared: Indie · Adventure · Pixel Graphics

Impostor Factory
Shared: Adventure · Pixel Graphics · Story Rich

Finding Paradise
Shared: Adventure · Pixel Graphics · Story Rich

Firewatch
Shared: Adventure · Story Rich · Singleplayer

A Bird Story
Shared: Indie · Pixel Graphics · Adventure

Celeste
Shared: Indie · Pixel Graphics · Singleplayer

SANABI
Shared: Pixel Graphics · Adventure · Story Rich

Papers, Please
Shared: Indie · Pixel Graphics · Singleplayer

The Hex
Shared: Indie · Singleplayer · Story Rich

DAVE THE DIVER
Shared: Pixel Graphics · Casual · Adventure

Thimbleweed Park™
Shared: Adventure · Indie · Pixel Graphics

DISTRAINT: Deluxe Edition
Shared: Indie · Pixel Graphics · Adventure

Broken Age
Shared: Adventure · Indie · Story Rich

Vampire Survivors
Shared: Pixel Graphics · Indie · 2D

Shovel Knight: Treasure Trove
Shared: Pixel Graphics · Indie · Adventure

The Darkside Detective
Shared: Adventure · Pixel Graphics · Story Rich

FEZ
Shared: Indie · Pixel Graphics · Adventure

Donut County
Shared: Indie · Casual · Adventure

The Rewinder
Shared: Adventure · Pixel Graphics · Singleplayer

Rhythm Doctor
Shared: Pixel Graphics · Indie · Story Rich