Games like Machinery Defense
Games like Machinery Defense include Bloons TD 6, Plants vs. Zombies GOTY Edition, Bloons TD 5, Mindustry, and Kingdom Rush - Tower Defense. We matched them by the tags players give Machinery Defense on Steam (Strategy, Tower Defense, Futuristic, Mechs, and Family Friendly): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Family Friendly

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

Bloons TD 5
Shared: Strategy · Tower Defense · Family Friendly

Mindustry
Shared: Tower Defense · Strategy · Resource Management

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

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

Dungeon Warfare
Shared: Strategy · Tower Defense · 2D

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

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

GemCraft - Chasing Shadows
Shared: Strategy · Tower Defense · Top-Down

Minimalist Tower Defense
Shared: Strategy · Tower Defense · Top-Down

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

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

Dungeon Defenders
Shared: Tower Defense · Strategy · Family Friendly

Legion TD 2 - Multiplayer Tower Defense
Shared: Tower Defense · Strategy · PvE

Defense Grid: The Awakening
Shared: Strategy · Tower Defense · Futuristic

Infested Planet
Shared: Strategy · Tower Defense · Top-Down

Super Sanctum TD
Shared: Strategy · Tower Defense · 2D

Tangy TD
Shared: Strategy · Tower Defense · 2D

BattleTech
Shared: Strategy · Mechs · Singleplayer

Rise to Ruins
Shared: Tower Defense · Strategy · 2D

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

GemCraft - Frostborn Wrath
Shared: Tower Defense · Strategy · Top-Down

Anno 2070™
Shared: Strategy · Futuristic · Resource Management