Games like Pulse Sweep
Games like Pulse Sweep include Plants vs. Zombies GOTY Edition, Bloons TD 6, Outhold, Zup!, and Digseum. We matched them by the tags players give Pulse Sweep on Steam (Incremental, Tower Defense, Point & Click, 2D, and Casual): closest matches first, and among equally close ones the better-known games.

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

Bloons TD 6
Shared: Tower Defense · Singleplayer · Casual

Outhold
Shared: Incremental · Tower Defense · Minimalist

Zup!
Shared: Casual · 2D · Short

Digseum
Shared: Incremental · Casual · Minimalist

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

Oik
Shared: Incremental · Casual · 2D

Zup! 2
Shared: Casual · 2D · Short

Zup! F
Shared: Casual · 2D · Short

Oik 2
Shared: Incremental · Minimalist · Casual

Zup! X
Shared: Casual · 2D · Short

Zup! Zero
Shared: Casual · 2D · Short

Zup! S
Shared: Casual · 2D · Singleplayer

Zup! 4
Shared: Casual · 2D · Minimalist

Zup! 3
Shared: Casual · 2D · Short

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

Space Rock Breaker
Shared: Incremental · Casual · 2D

Nodebuster
Shared: Incremental · Casual · 2D

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

Zup! 8
Shared: Casual · 2D · Short

Hook
Shared: Casual · Minimalist · Singleplayer

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

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

Cookie Clicker
Shared: Incremental · Casual · 2D