Games like Whack-A-Monster
Games like Whack-A-Monster include Cookie Clicker, Nodebuster, Vampire Survivors, Dragon Cliff, and Scritchy Scratchy. We matched them by the tags players give Whack-A-Monster on Steam (RPG, Incremental, Roguelite, Idler, and Simulation): closest matches first, and among equally close ones the better-known games.
Cookie Clicker
Shared: Incremental · Idler · Pixel Graphics
Nodebuster
Shared: Incremental · Idler · Simulation
Vampire Survivors
Shared: Roguelite · 2D · Pixel Graphics
Dragon Cliff
Shared: RPG · Idler · Incremental
Scritchy Scratchy
Shared: Incremental · Idler · Roguelite
Shelldiver
Shared: Incremental · Idler · Arcade
Bills Must Be Paid
Shared: Incremental · Roguelite · Idler
Tower Wizard
Shared: Incremental · Idler · 2D
Swag and Sorcery
Shared: RPG · Incremental · Pixel Graphics
Click and Conquer
Shared: Incremental · Idler · Simulation
A Game About Feeding A Black Hole
Shared: Incremental · Idler · Simulation
(the) Gnorp Apologue
Shared: Incremental · Idler · Roguelite
Russian Life Simulator
Shared: Incremental · Simulation · Memes
Loot Loop
Shared: Incremental · Idler · Simulation
Touhou Mystia's Izakaya
Shared: RPG · Simulation · Pixel Graphics
Stardew Valley
Shared: RPG · Simulation · Pixel Graphics
Chinese Parents
Shared: RPG · Simulation · Memes
Idle Champions of the Forgotten Realms
Shared: Idler · Incremental · RPG
Undertale
Shared: RPG · Pixel Graphics · 2D
Digseum
Shared: Incremental · Idler · Simulation
Firestone – Idle Clicker Online RPG
Shared: Incremental · Idler · RPG
Keep on Mining!
Shared: Incremental · Idler · Arcade
DAVE THE DIVER
Shared: RPG · Pixel Graphics · Simulation
Space Rock Breaker
Shared: Incremental · Idler · Arcade