Games like Galaxy for Dummies
Games like Galaxy for Dummies include Mewgenics, 9 Kings, Slay the Spire 2, Peglin, and Legend Creatures(传奇生物). We matched them by the tags players give Galaxy for Dummies on Steam (Roguelite, Auto Battler, Cute, Creature Collector, and PvE): closest matches first, and among equally close ones the better-known games.

Mewgenics
Shared: Roguelite · Turn-Based Strategy · Cute

9 Kings
Shared: Auto Battler · Strategy · Roguelite

Slay the Spire 2
Shared: Roguelike · Strategy · Roguelite

Peglin
Shared: Roguelite · Roguelike · Cute

Legend Creatures(传奇生物)
Shared: Roguelite · Auto Battler · Roguelike

RACCOIN: Coin Pusher Roguelike
Shared: Roguelike · Roguelite · Strategy

Balatro
Shared: Roguelike · Roguelite · Strategy

Super Fantasy Kingdom
Shared: Auto Battler · Roguelite · Strategy

Dicefolk
Shared: Roguelite · Creature Collector · Turn-Based Strategy

Ballionaire
Shared: Roguelite · Roguelike · 2D

He is Coming
Shared: Auto Battler · Roguelite · Roguelike

FTL: Faster Than Light
Shared: Roguelike · Strategy · Space

Into the Breach
Shared: Turn-Based Strategy · Strategy · Roguelite

Just King
Shared: Roguelite · Auto Battler · Strategy

Luck be a Landlord
Shared: Roguelite · Strategy · Roguelike

Monster Train
Shared: Roguelite · Turn-Based Strategy · Roguelike

Batomon Showdown
Shared: Auto Battler · Creature Collector · Strategy

Meme Mayhem
Shared: Auto Battler · Roguelite · Roguelike

Slay the Spire
Shared: Roguelite · Roguelike · Strategy

Vampire Survivors
Shared: Roguelite · 2D · Roguelike

Legends of Kingdom Rush
Shared: Roguelite · Turn-Based Strategy · Roguelike

Tavern of Gods
Shared: Roguelite · Auto Battler · Creature Collector

Slots & Daggers
Shared: Roguelite · Strategy · Roguelike

Inkbound
Shared: Roguelite · PvE · Turn-Based Strategy