Games like Lunar Elixer
Games like Lunar Elixer include Plants vs. Zombies GOTY Edition, Kingdom Rush - Tower Defense, Rock 'N' Roll Defense, Bloons TD 6, and Caster. We matched them by the tags players give Lunar Elixer on Steam (Indie, Casual, Strategy, Action, and Adventure): closest matches first, and among equally close ones the better-known games.

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

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

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

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

Caster
Shared: Indie · Action · Casual

Orcs Must Die! 2
Shared: Strategy · Action · Indie

Home Behind
Shared: Indie · Adventure · Casual

The Escapists
Shared: Strategy · Indie · Action

Bloons TD 5
Shared: Strategy · Tower Defense · Casual

Plebby Quest: The Crusades
Shared: Casual · Indie · Strategy

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

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

This War of Mine
Shared: Strategy · Survival · Singleplayer

Dead Age
Shared: Strategy · Casual · Adventure

Bardbarian
Shared: Indie · Strategy · Casual

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

The Riftbreaker
Shared: Tower Defense · Survival · Base Building

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Singleplayer

Orcs Must Die!
Shared: Strategy · Action · Indie

Plague Inc: Evolved
Shared: Strategy · Indie · Casual

Idle Champions of the Forgotten Realms
Shared: Strategy · Indie · Adventure

Overdungeon
Shared: Indie · Strategy · Casual

ARK: Survival Ascended
Shared: Survival · Adventure · Action

BEEP
Shared: Indie · Adventure · Action