Games like Slime Pandemic TD
Games like Slime Pandemic TD include Bloons TD 6, Kingdom Rush 5: Alliance TD, Dungeon Warfare, Mindustry, and Kingdom Rush - Tower Defense. We matched them by the tags players give Slime Pandemic TD on Steam (Strategy, Tower Defense, 2D, Cartoony, and Colorful): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Cartoony

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · 2D

Dungeon Warfare
Shared: Strategy · Tower Defense · 2D

Mindustry
Shared: Tower Defense · Strategy · Base Building

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

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

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

Creeper World 3: Arc Eternal
Shared: Strategy · Tower Defense · Indie

Kingdom Rush 6: Genesis TD
Shared: Strategy · Tower Defense · 2D

Rise to Ruins
Shared: Tower Defense · Strategy · Pixel Graphics

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

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

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

The Escapists
Shared: Strategy · Pixel Graphics · 2D

Oxygen Not Included
Shared: Base Building · 2D · Strategy

Minimalist Tower Defense
Shared: Strategy · Tower Defense · 2D

Emberward
Shared: Tower Defense · Strategy · Base Building

GemCraft - Chasing Shadows
Shared: Strategy · Tower Defense · 2D

Tangy TD
Shared: Strategy · Tower Defense · 2D

Factorio
Shared: Strategy · Base Building · Resource Management

Sir, We Have an Orc Problem
Shared: Tower Defense · Strategy · 2D

Zero Stress King: Idle Defense
Shared: Tower Defense · Strategy · 2D

Tower Wizard
Shared: Strategy · 2D · Pixel Graphics

Prison Architect
Shared: Strategy · Base Building · 2D