Games like Hold The Fort
Games like Hold The Fort include GemCraft - Chasing Shadows, Kingdom Rush - Tower Defense, Plants vs. Zombies GOTY Edition, Kingdom Rush Origins - Tower Defense, and Bloons TD 6. We matched them by the tags players give Hold The Fort on Steam (Strategy, Indie, Tower Defense, Singleplayer, and Tactical): closest matches first, and among equally close ones the better-known games.

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

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

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

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

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

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

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

Dungeon Defenders
Shared: Tower Defense · Strategy · Singleplayer

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Singleplayer

Artisan TD
Shared: Strategy · Tower Defense · Tactical

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

Thronefall
Shared: Strategy · Tower Defense · Action

Super Hexagon
Shared: Indie · Singleplayer · Great Soundtrack

Hotline Miami
Shared: Indie · Action · Great Soundtrack

Infested Planet
Shared: Strategy · Tower Defense · Indie

Plague Inc: Evolved
Shared: Strategy · Indie · Singleplayer

Door Kickers
Shared: Strategy · Tactical · Indie

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

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

Dungeon Warfare
Shared: Strategy · Tower Defense · Indie

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

Emberward
Shared: Strategy · Tower Defense · Indie

HighFleet
Shared: Indie · Strategy · Singleplayer

Total War: WARHAMMER II
Shared: Strategy · Fantasy · Singleplayer