Games like Oldish Stuff
Games like Oldish Stuff include Dead Cells, Skul: The Hero Slayer, Noita, BlazBlue Entropy Effect, and Vampire Survivors. We matched them by the tags players give Oldish Stuff on Steam (Adventure, Action Roguelike, Pixel Graphics, Action, and 2D): closest matches first, and among equally close ones the better-known games.

Dead Cells
Shared: Adventure · Action Roguelike · Pixel Graphics

Skul: The Hero Slayer
Shared: Action Roguelike · Action · Pixel Graphics

Noita
Shared: Pixel Graphics · 2D · Action Roguelike

BlazBlue Entropy Effect
Shared: Action Roguelike · Action · 2D

Vampire Survivors
Shared: Action Roguelike · Pixel Graphics · 2D

The Escapists
Shared: Pixel Graphics · 2D · Strategy

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Pixel Graphics · Indie

Hero Siege
Shared: Pixel Graphics · Action Roguelike · Hack and Slash

Enter the Gungeon
Shared: Action Roguelike · Pixel Graphics · Adventure

SANABI
Shared: Pixel Graphics · Action · Adventure

Hyper Light Drifter
Shared: Pixel Graphics · Adventure · Action

Wizard of Legend
Shared: Action Roguelike · Pixel Graphics · Action

Death Must Die
Shared: Action Roguelike · Pixel Graphics · Action

Terraria
Shared: Adventure · Pixel Graphics · 2D

Hades
Shared: Action Roguelike · Action · Hack and Slash

Katana ZERO
Shared: Pixel Graphics · Action · 2D

Dungreed
Shared: Action Roguelike · Pixel Graphics · Action

UFO 50
Shared: Pixel Graphics · Action · 2D

Your Only Move Is HUSTLE
Shared: Action · Pixel Graphics · 2D

Blasphemous
Shared: Pixel Graphics · 2D · Action

UnderMine
Shared: Action Roguelike · Pixel Graphics · Adventure

ScourgeBringer
Shared: Adventure · Action · Pixel Graphics

Risk of Rain (2013)
Shared: Action Roguelike · Action · Pixel Graphics

DAVE THE DIVER
Shared: Pixel Graphics · Adventure · Simulation