Games like Happy Wagon
Games like Happy Wagon include Vampire Survivors, UFO 50, Undertale, Timberman, and Razortron 2000. We matched them by the tags players give Happy Wagon on Steam (Retro, Casual, 2D, Pixel Graphics, and Minimalist): closest matches first, and among equally close ones the better-known games.
Vampire Survivors
Shared: Pixel Graphics · 2D · Casual
UFO 50
Shared: Retro · Pixel Graphics · 2D
Undertale
Shared: Pixel Graphics · 2D · Choices Matter
Timberman
Shared: Casual · Pixel Graphics · 2D
Razortron 2000
Shared: Casual · Retro · 2D
To The Core
Shared: Casual · 2D · Arcade
DAVE THE DIVER
Shared: Casual · Pixel Graphics · Singleplayer
Click and Conquer
Shared: Casual · Pixel Graphics · Minimalist
Shovel Knight: Treasure Trove
Shared: Retro · Pixel Graphics · 2D
Planes, Bullets and Vodka
Shared: Casual · Retro · 2D
Papers, Please
Shared: Pixel Graphics · Retro · Indie
Melvor Idle
Shared: Casual · 2D · RPG
To the Moon
Shared: Pixel Graphics · 2D · Indie
Nodebuster
Shared: Casual · 2D · Arcade
Sonic Mania
Shared: 2D · Retro · Pixel Graphics
Cookie Clicker
Shared: Casual · Pixel Graphics · 2D
Shelldiver
Shared: Casual · Arcade · 2D
Stardew Valley
Shared: Pixel Graphics · RPG · Casual
Cyberhunt
Shared: Casual · 2D · Retro
Boneraiser Minions
Shared: Pixel Graphics · 2D · Casual
Baba Is You
Shared: Pixel Graphics · 2D · Singleplayer
Megabonk
Shared: Loot · Pixel Graphics · Indie
Impostor Factory
Shared: Pixel Graphics · 2D · Singleplayer
Touhou Mystia's Izakaya
Shared: Casual · Pixel Graphics · 2D