Games like Slot Machine Defence
Games like Slot Machine Defence include Plants vs. Zombies GOTY Edition, Bloons TD 6, Zero Stress King: Idle Defense, Kingdom Rush - Tower Defense, and Kingdom Rush Frontiers - Tower Defense. We matched them by the tags players give Slot Machine Defence on Steam (Casual, Strategy, Auto Battler, Tower Defense, and Incremental): closest matches first, and among equally close ones the better-known games.

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

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

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

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

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

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

Cookie Clicker
Shared: Casual · Incremental · Indie

Nodebuster
Shared: Casual · Strategy · Incremental

Rock 'N' Roll Defense
Shared: Strategy · Casual · Tower Defense

Slots & Daggers
Shared: Casual · Strategy · 1990's

Game Dev Tycoon
Shared: Strategy · Casual · Indie

A Game About Feeding A Black Hole
Shared: Casual · Strategy · Incremental

Bloons TD 5
Shared: Strategy · Tower Defense · Casual

Zup! S
Shared: Casual · 2D · Indie

Shelldiver
Shared: Casual · Incremental · 2D

Plague Inc: Evolved
Shared: Strategy · Casual · Indie

Legion TD 2 - Multiplayer Tower Defense
Shared: Tower Defense · Auto Battler · Strategy

Russian Life Simulator
Shared: Incremental · Strategy · 2D

Keep on Mining!
Shared: Casual · Incremental · Indie

Loot Loop
Shared: Casual · Incremental · Auto Battler

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

To The Core
Shared: Casual · Incremental · 2D

(the) Gnorp Apologue
Shared: Strategy · Incremental · Casual

Legion Breaker
Shared: Strategy · Casual · Incremental