Games like Particula
Games like Particula include Bloons TD 6, Plants vs. Zombies GOTY Edition, Bloons TD 5, Plague Inc: Evolved, and Orcs Must Die! 2. We matched them by the tags players give Particula on Steam (Strategy, Indie, Tower Defense, Casual, and Singleplayer): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

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

Bloons TD 5
Shared: Strategy · Tower Defense · Co-op

Plague Inc: Evolved
Shared: Strategy · Indie · Singleplayer

Orcs Must Die! 2
Shared: Tower Defense · Strategy · Co-op

Mini Motorways
Shared: Strategy · Casual · Indie

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

Warstone TD
Shared: Strategy · Tower Defense · Indie

Game Dev Tycoon
Shared: Indie · Strategy · Casual

Kingdom Rush Frontiers - Tower Defense
Shared: Strategy · Tower Defense · Singleplayer

Sanctum 2
Shared: Tower Defense · Strategy · Co-op

ISLANDERS
Shared: Strategy · Indie · Relaxing

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

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

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Singleplayer

Zup! S
Shared: Indie · Casual · Singleplayer

Golf With Your Friends
Shared: Casual · Indie · Co-op

Mini Metro
Shared: Strategy · Indie · Casual

Hexcells
Shared: Indie · Casual · Strategy

Sanctum
Shared: Strategy · Tower Defense · Indie

Orcs Must Die! 3
Shared: Strategy · Tower Defense · Co-op

Balatro
Shared: Strategy · Singleplayer · Indie

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

X-Morph: Defense
Shared: Strategy · Tower Defense · Indie