Games like Dustbowl
Games like Dustbowl include Terraria, The Final Station, To the Moon, Organ Trail: Director's Cut, and Dungeon Munchies. We matched them by the tags players give Dustbowl on Steam (Adventure, Indie, RPG, Post-apocalyptic, and Pixel Graphics): closest matches first, and among equally close ones the better-known games.

Terraria
Shared: Adventure · Survival · Pixel Graphics

The Final Station
Shared: Indie · Post-apocalyptic · Pixel Graphics

To the Moon
Shared: Indie · Adventure · Pixel Graphics

Organ Trail: Director's Cut
Shared: Indie · Post-apocalyptic · Retro

Dungeon Munchies
Shared: Indie · Adventure · Pixel Graphics

Rain World
Shared: Indie · Survival · Pixel Graphics

UFO 50
Shared: Indie · Pixel Graphics · Retro

Evoland
Shared: Indie · Adventure · RPG

Tales of the Black Forest
Shared: RPG · Indie · Adventure

SKYHILL
Shared: Adventure · Indie · Survival

Forager
Shared: Indie · Pixel Graphics · Survival

LISA: The Painful
Shared: RPG · Indie · Post-apocalyptic

7 Days to Die
Shared: Survival · Post-apocalyptic · Adventure

Fallout 4
Shared: Post-apocalyptic · Adventure · RPG

Necesse
Shared: Pixel Graphics · Adventure · Indie

Last Oasis
Shared: RPG · Adventure · Survival

Hyper Light Drifter
Shared: Indie · Adventure · Pixel Graphics

Eastward
Shared: Adventure · Pixel Graphics · RPG

Sheltered
Shared: Post-apocalyptic · Survival · Pixel Graphics

Evoland 2
Shared: Adventure · RPG · Indie

OMORI
Shared: Indie · Pixel Graphics · RPG

Stoneshard
Shared: RPG · Pixel Graphics · Survival

Don't Starve Together
Shared: Adventure · Survival · Indie

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