Games like BeeTD
Games like BeeTD include Plants vs. Zombies GOTY Edition, Bloons TD 6, Kingdom Rush Frontiers - Tower Defense, Kingdom Rush - Tower Defense, and Bloons TD 5. We matched them by the tags players give BeeTD on Steam (Strategy, Tower Defense, Incremental, 2D, and Colorful): closest matches first, and among equally close ones the better-known games.

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

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

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

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

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

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

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

Totally Accurate Battle Simulator
Shared: Strategy · Funny · Colorful

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

Geometry Dash
Shared: 2D · Difficult · Colorful

Cookie Clicker
Shared: Incremental · 2D · Funny

Tangy TD
Shared: Strategy · Tower Defense · 2D

Orcs Must Die!
Shared: Tower Defense · Strategy · Comedy

Outhold
Shared: Tower Defense · Strategy · Incremental

Battle Ranch: Pigs vs Plants
Shared: Strategy · Tower Defense · 2D

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

Lost in Play
Shared: 2D · Funny · Colorful

Thronefall
Shared: Strategy · Tower Defense · Colorful

GemCraft - Chasing Shadows
Shared: Strategy · Tower Defense · 2D

Rock of Ages
Shared: Strategy · Tower Defense · Comedy

Nodebuster
Shared: Strategy · Incremental · 2D

Game Dev Tycoon
Shared: Strategy · 2D · Singleplayer

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

Tower Wizard
Shared: Incremental · Strategy · 2D