Games like Conquistador
Games like Conquistador include The Binding of Isaac: Rebirth, Spelunky, Skul: The Hero Slayer, The Binding of Isaac, and Dead Cells. We matched them by the tags players give Conquistador on Steam (Platformer, Roguelike, Action Roguelike, Indie, and Difficult): closest matches first, and among equally close ones the better-known games.

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

Spelunky
Shared: Platformer · Roguelike · Action Roguelike

Skul: The Hero Slayer
Shared: Indie · Action Roguelike · Roguelike

The Binding of Isaac
Shared: Roguelike · Action Roguelike · Indie

Dead Cells
Shared: Roguelike · Action Roguelike · 2D

Risk of Rain (2013)
Shared: Roguelike · Action Roguelike · Platformer

Rogue Legacy
Shared: Platformer · Roguelike · Action Roguelike

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

Noita
Shared: Roguelike · Difficult · Indie

Vampire Survivors
Shared: Action Roguelike · Indie · Roguelike

Rogue Legacy 2
Shared: Platformer · Indie · Arcade

Caveblazers
Shared: Platformer · Action Roguelike · Roguelike

Downwell
Shared: Action Roguelike · Platformer · Indie

Dungreed
Shared: Action Roguelike · Roguelike · Indie

Enter the Gungeon
Shared: Roguelike · Action Roguelike · Difficult

Neon Abyss
Shared: Platformer · Roguelike · Procedural Generation

Spelunky 2
Shared: Platformer · Difficult · Indie

Hades
Shared: Action Roguelike · Indie · Roguelike

Celeste
Shared: Difficult · Platformer · Indie

Realm of the Mad God Exalt
Shared: Roguelike · Action Roguelike · Difficult

ScourgeBringer
Shared: Indie · Action Roguelike · Roguelike

Hollow Knight
Shared: Platformer · Difficult · Indie

Super House of Dead Ninjas
Shared: Platformer · Action Roguelike · Roguelike

Super Meat Boy
Shared: Platformer · Indie · Difficult