Games like League TD
Games like League TD include Bloons TD 6, Thronefall, Emberward, Kingdom Rush - Tower Defense, and Creeper World 3: Arc Eternal. We matched them by the tags players give League TD on Steam (Tower Defense, Strategy, Old School, Cartoony, and Gun Customization): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Tower Defense · Strategy · Cartoony

Thronefall
Shared: Tower Defense · Strategy · Medieval

Emberward
Shared: Tower Defense · Strategy · 3D

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

Creeper World 3: Arc Eternal
Shared: Tower Defense · Strategy · Sci-fi

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

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

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

Tiny Tactics
Shared: Tower Defense · Strategy · Cartoony

Age of Darkness: Final Stand
Shared: Tower Defense · Strategy · 3D

Outpost: Infinity Siege
Shared: Tower Defense · 3D · Strategy

Rogue Tower
Shared: Tower Defense · Strategy · 3D

Taur
Shared: Tower Defense · Strategy · Sci-fi

Tower Dominion
Shared: Tower Defense · Strategy · Base Building

They Are Billions
Shared: Strategy · Tower Defense · Base Building

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Medieval

DG2: Defense Grid 2
Shared: Tower Defense · Strategy · Sci-fi

Starship Troopers: Terran Command
Shared: Strategy · Sci-fi · Tower Defense

Infested Planet
Shared: Tower Defense · Strategy · Sci-fi

Plants vs. Zombies™: Replanted
Shared: Tower Defense · Retro · Strategy

Warpips
Shared: Tower Defense · Strategy · War

Creeper World 4
Shared: Tower Defense · Strategy · 3D

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

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