Games like Relic Guardian - Tower Defense
Games like Relic Guardian - Tower Defense include Kingdom Rush - Tower Defense, Kingdom Rush 5: Alliance TD, Kingdom Rush Origins - Tower Defense, Plants vs. Zombies GOTY Edition, and Kingdom Rush Frontiers - Tower Defense. We matched them by the tags players give Relic Guardian - Tower Defense on Steam (Strategy, Tower Defense, 2D, Pixel Graphics, and Fantasy): closest matches first, and among equally close ones the better-known games.

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

Kingdom Rush 5: Alliance TD
Shared: Strategy · Tower Defense · 2D

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

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · 2D

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

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

Kingdom Rush Vengeance - Tower Defense
Shared: Strategy · Tower Defense · 2D

Age of Defense
Shared: Strategy · Tower Defense · 2D

Tangy TD
Shared: Strategy · Tower Defense · 2D

DELTARUNE
Shared: Pixel Graphics · 2D · Singleplayer

Dungeon Warfare
Shared: Strategy · Tower Defense · Pixel Graphics

The Escapists
Shared: Strategy · Pixel Graphics · 2D

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

Bloons TD 5
Shared: Strategy · Tower Defense · Casual

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

Knights of Pen and Paper 2
Shared: Strategy · Pixel Graphics · Fantasy

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

Undertale
Shared: Pixel Graphics · 2D · Singleplayer

Idle Champions of the Forgotten Realms
Shared: Strategy · Fantasy · Singleplayer

Zero Stress King: Idle Defense
Shared: Tower Defense · Strategy · 2D

The Last Spell
Shared: Strategy · Singleplayer · 2D

DAVE THE DIVER
Shared: Pixel Graphics · Casual · Singleplayer

Kingdom Rush 6: Genesis TD
Shared: Strategy · Tower Defense · 2D

The WereCleaner
Shared: Strategy · Cartoony · Casual