Games like Small People Defense
Games like Small People Defense include Thronefall, Kingdom Rush - Tower Defense, Kingdom Rush Origins - Tower Defense, GemCraft - Chasing Shadows, and Bloons TD 6. We matched them by the tags players give Small People Defense on Steam (Tower Defense, Strategy, Indie, Action, and Difficult): closest matches first, and among equally close ones the better-known games.

Thronefall
Shared: Tower Defense · Strategy · Action

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

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

GemCraft - Chasing Shadows
Shared: Tower Defense · Strategy · Indie

Bloons TD 6
Shared: Tower Defense · Strategy · Singleplayer

Orcs Must Die! 2
Shared: Tower Defense · Strategy · Action

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

Kingdom Rush 6: Genesis TD
Shared: Tower Defense · Strategy · Action

Kingdom Rush Vengeance - Tower Defense
Shared: Tower Defense · Strategy · Difficult

Diplomacy is Not an Option
Shared: Medieval · Difficult · Tower Defense

Mount & Blade II: Bannerlord
Shared: Strategy · Medieval · Action

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

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

Infested Planet
Shared: Tower Defense · Strategy · Action

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

Orcs Must Die! 3
Shared: Tower Defense · Strategy · Action

Bloons TD 5
Shared: Tower Defense · Strategy · Action

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

Bee Island
Shared: Tower Defense · Strategy · Action

Kingdom Rush 5: Alliance TD
Shared: Tower Defense · Strategy · Indie

Shadow Tactics: Blades of the Shogun
Shared: Strategy · Indie · Action

Door Kickers
Shared: Strategy · Action · Indie

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

Anomaly Warzone Earth
Shared: Strategy · Tower Defense · Indie