Games like Super Amazing Wagon Adventure
Games like Super Amazing Wagon Adventure include Skul: The Hero Slayer, Voidigo, Enter the Gungeon, The Binding of Isaac: Rebirth, and Dead Cells. We matched them by the tags players give Super Amazing Wagon Adventure on Steam (Action Roguelike, Side Scroller, Shoot 'Em Up, Twin Stick Shooter, and Western): closest matches first, and among equally close ones the better-known games.

Skul: The Hero Slayer
Shared: Action Roguelike · Roguelite · Side Scroller

Voidigo
Shared: Action Roguelike · Twin Stick Shooter · Shoot 'Em Up

Enter the Gungeon
Shared: Action Roguelike · Difficult · Twin Stick Shooter

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

Dead Cells
Shared: Action Roguelike · Roguelite · Roguelike

Vampire Survivors
Shared: Action Roguelike · Roguelite · 2D

Nuclear Throne
Shared: Action Roguelike · Difficult · Roguelike

Dead Estate
Shared: Action Roguelike · Twin Stick Shooter · Shoot 'Em Up

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Star of Providence
Shared: Action Roguelike · Shoot 'Em Up · Roguelite

Dungreed
Shared: Action Roguelike · Roguelite · Roguelike

Noita
Shared: Difficult · Action Roguelike · Roguelike

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

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

Risk of Rain 2
Shared: Action Roguelike · Roguelite · Roguelike

Lost Castle
Shared: Action Roguelike · Side Scroller · Roguelite

BALL x PIT
Shared: Action Roguelike · Roguelite · Shoot 'Em Up

SYNTHETIK: Legion Rising
Shared: Action Roguelike · Roguelite · Twin Stick Shooter

Rogue Legacy
Shared: Action Roguelike · Roguelike · Side Scroller

Rogue Stormers
Shared: Action Roguelike · Side Scroller · Shoot 'Em Up

Nova Drift
Shared: Shoot 'Em Up · Action Roguelike · Roguelite

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

30XX
Shared: Action Roguelike · Side Scroller · Roguelite

Streets of Rogue
Shared: Action Roguelike · Roguelite · Roguelike