Games like Automon
Games like Automon include Balatro, Kingdom Rush - Tower Defense, Vampire Survivors, Plants vs. Zombies GOTY Edition, and Legend Creatures(传奇生物). We matched them by the tags players give Automon on Steam (Strategy, Casual, Auto Battler, Roguelite, and 2D): closest matches first, and among equally close ones the better-known games.

Balatro
Shared: Strategy · Roguelite · Pixel Graphics

Kingdom Rush - Tower Defense
Shared: Strategy · 2D · Casual

Vampire Survivors
Shared: Roguelite · 2D · Pixel Graphics

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · 2D

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

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · 2D · Casual

Bloons TD 6
Shared: Strategy · Casual · Cartoony

How Many Dudes? The Roguelike Autobattler
Shared: Strategy · Casual · Roguelite

Slots & Daggers
Shared: Strategy · Casual · Roguelite

Relic Guardian - Tower Defense
Shared: Strategy · 2D · Casual

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

Kingdom Rush Origins - Tower Defense
Shared: Strategy · 2D · Casual

Luck be a Landlord
Shared: Strategy · Roguelite · Pixel Graphics

Ballionaire
Shared: Casual · 2D · Strategy

Kingdom Rush 5: Alliance TD
Shared: Strategy · 2D · Cartoony

Zero Stress King: Idle Defense
Shared: Strategy · Auto Battler · Casual

Endgame of Devil
Shared: Casual · Strategy · Pixel Graphics

Super Fantasy Kingdom
Shared: Strategy · Auto Battler · Roguelite

9 Kings
Shared: Strategy · Auto Battler · Roguelite

Meme Mayhem
Shared: Auto Battler · Strategy · Roguelite

The WereCleaner
Shared: Casual · Strategy · Cartoony

Oaken Tower
Shared: Strategy · Auto Battler · 2D

CHUCHEL
Shared: Casual · Comedy · Colorful

Loop Hero
Shared: Roguelite · Pixel Graphics · Strategy