Games like Wickshore
Games like Wickshore include Plants vs. Zombies GOTY Edition, Tower Wizard, Cookie Clicker, (the) Gnorp Apologue, and Zero Stress King: Idle Defense. We matched them by the tags players give Wickshore on Steam (Incremental, Tower Defense, PvE, RTS, and Strategy): closest matches first, and among equally close ones the better-known games.

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

Tower Wizard
Shared: Incremental · Strategy · 2D

Cookie Clicker
Shared: Incremental · Casual · 2D

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

Zero Stress King: Idle Defense
Shared: Tower Defense · Incremental · Strategy

Bloons TD 6
Shared: Tower Defense · Strategy · Casual

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

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

Shelldiver
Shared: Incremental · Casual · 2D

Mindustry
Shared: Tower Defense · RTS · Strategy

Age of Darkness: Final Stand
Shared: Tower Defense · RTS · Strategy

Nodebuster
Shared: Incremental · Strategy · 2D

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

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

GemCraft - Frostborn Wrath
Shared: Tower Defense · RTS · Strategy

A Game About Feeding A Black Hole
Shared: Incremental · Strategy · 2D

Cluckmech Oasis
Shared: Tower Defense · Strategy · Cute

Outhold
Shared: Incremental · Tower Defense · Strategy

Dungeon Warfare
Shared: Tower Defense · Strategy · 2D

Bloons TD 5
Shared: Tower Defense · Strategy · 2D

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

Desktop Defender
Shared: Incremental · Tower Defense · 2D

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

Infested Planet
Shared: Tower Defense · Strategy · RTS