Games like Numgeon
Games like Numgeon include Vampire Survivors, Banana, The Binding of Isaac: Rebirth, Dead Cells, and UnderMine. We matched them by the tags players give Numgeon on Steam (Incremental, Casual, Roguelite, Indie, and Replay Value): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Roguelite · Indie · Casual

Banana
Shared: Incremental · Casual · Family Friendly

The Binding of Isaac: Rebirth
Shared: Indie · Replay Value · Pixel Graphics

Dead Cells
Shared: Adventure · Roguelite · Pixel Graphics

UnderMine
Shared: Roguelite · Indie · Pixel Graphics

Hades
Shared: Roguelite · Indie · Replay Value

Skul: The Hero Slayer
Shared: Indie · Roguelite · Pixel Graphics

DAVE THE DIVER
Shared: Casual · Adventure · Pixel Graphics

Balatro
Shared: Roguelite · Replay Value · Indie

Cookie Clicker
Shared: Incremental · Casual · Indie

Legend Creatures(传奇生物)
Shared: Roguelite · Indie · Replay Value

Home Behind
Shared: Casual · Adventure · Indie

To The Core
Shared: Incremental · Casual · Indie

Melvor Idle
Shared: Casual · Indie · RPG

Dragon Cliff
Shared: Incremental · Casual · RPG

Megabonk
Shared: Roguelite · Indie · Casual

Dungreed
Shared: Roguelite · Indie · Pixel Graphics

Rogue Legacy
Shared: Indie · Roguelite · RPG

Death Must Die
Shared: Roguelite · RPG · Pixel Graphics

The Binding of Isaac
Shared: Indie · Replay Value · Roguelike

Swag and Sorcery
Shared: Incremental · Indie · RPG

Idle Champions of the Forgotten Realms
Shared: Incremental · Adventure · Indie

Streets of Rogue
Shared: Roguelite · Indie · Pixel Graphics

Moonlighter
Shared: Roguelite · Pixel Graphics · RPG