Games like Magic defense
Games like Magic defense include They Are Billions, Oxygen Not Included, Plants vs. Zombies GOTY Edition, Factorio, and Frostpunk. We matched them by the tags players give Magic defense on Steam (Strategy, Tower Defense, Idler, Survival, and Zombies): closest matches first, and among equally close ones the better-known games.

They Are Billions
Shared: Strategy · Survival · Zombies

Oxygen Not Included
Shared: Survival · Resource Management · Base Building

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

Factorio
Shared: Strategy · Resource Management · Base Building

Frostpunk
Shared: Strategy · Survival · Resource Management

Mindustry
Shared: Tower Defense · Strategy · Resource Management

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

7 Days to Die
Shared: Survival · Zombies · Base Building

Grim Nights
Shared: Strategy · Tower Defense · Survival

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Building

RimWorld
Shared: Strategy · Survival · Base Building

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

Tower Wizard
Shared: Idler · Strategy · Resource Management

Rise to Ruins
Shared: Tower Defense · Strategy · Survival

Sheltered
Shared: Survival · Strategy · Base Building

Manor Lords
Shared: Strategy · Base Building · Building

Diplomacy is Not an Option
Shared: Resource Management · Zombies · Base Building

This War of Mine
Shared: Survival · Strategy · Base Building

IXION
Shared: Strategy · Survival · Resource Management

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

Against the Storm
Shared: Strategy · Building · Base Building

Ratopia
Shared: Strategy · Survival · Building

Until We Die
Shared: Strategy · Survival · Tower Defense

Prison Architect
Shared: Strategy · Building · Base Building