Games like Swarm Slasher
Games like Swarm Slasher include Kingdom Rush - Tower Defense, Nodebuster, Cookie Clicker, Plants vs. Zombies GOTY Edition, and Idle Champions of the Forgotten Realms. We matched them by the tags players give Swarm Slasher on Steam (Tower Defense, Strategy, Incremental, Idler, and Combat): closest matches first, and among equally close ones the better-known games.
Kingdom Rush - Tower Defense
Shared: Tower Defense · Strategy · Action
Nodebuster
Shared: Incremental · Strategy · Idler
Cookie Clicker
Shared: Incremental · Idler · Casual
Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · 2D
Idle Champions of the Forgotten Realms
Shared: Strategy · Idler · Incremental
Shelldiver
Shared: Incremental · Idler · Strategy
A Game About Feeding A Black Hole
Shared: Incremental · Strategy · Idler
Bloons TD 6
Shared: Tower Defense · Strategy · Casual
Outhold
Shared: Tower Defense · Incremental · Strategy
Zero Stress King: Idle Defense
Shared: Tower Defense · Strategy · Idler
Bills Must Be Paid
Shared: Incremental · Strategy · Idler
Keep on Mining!
Shared: Incremental · Idler · Relaxing
Kingdom Rush Origins - Tower Defense
Shared: Tower Defense · Strategy · 2D
Russian Life Simulator
Shared: Incremental · Strategy · Action
Chef Knight
Shared: Strategy · Incremental · Idler
Bloons TD 5
Shared: Tower Defense · Strategy · Action
Sir, We Have an Orc Problem
Shared: Tower Defense · Incremental · Strategy
Rock 'N' Roll Defense
Shared: Tower Defense · Strategy · Action
Timber Rush
Shared: Idler · Strategy · Incremental
Thronefall
Shared: Tower Defense · Strategy · Action
GemCraft - Chasing Shadows
Shared: Tower Defense · Strategy · Action
(the) Gnorp Apologue
Shared: Incremental · Strategy · Idler