Games like 晶石守护者 (Cubic Defender)
Games like 晶石守护者 (Cubic Defender) include Planetary Annihilation: TITANS, Tower Dominion, Stronghold Crusader: Definitive Edition, RimWorld, and Mindustry. We matched them by the tags players give 晶石守护者 (Cubic Defender) on Steam (Strategy, Tower Defense, Real Time Tactics, Roguelite, and Base Building): closest matches first, and among equally close ones the better-known games.

Planetary Annihilation: TITANS
Shared: Strategy · Real Time Tactics · Base Building

Tower Dominion
Shared: Strategy · Tower Defense · Base Building

Stronghold Crusader: Definitive Edition
Shared: Strategy · Real Time Tactics · Tower Defense

RimWorld
Shared: Strategy · Base Building · Moddable

Mindustry
Shared: Tower Defense · Base Building · Strategy

Emberward
Shared: Tower Defense · Strategy · Roguelite

Rogue Tower
Shared: Strategy · Tower Defense · Base Building

Kingdom Two Crowns
Shared: Tower Defense · Strategy · Base Building

Creeper World 4
Shared: Tower Defense · Real Time Tactics · Strategy

Bloons TD 6
Shared: Strategy · Tower Defense · Singleplayer

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

Thronefall
Shared: Strategy · Tower Defense · Base Building

DG2: Defense Grid 2
Shared: Strategy · Tower Defense · Base Building

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

Taur
Shared: Strategy · Tower Defense · Base Building

Against the Storm
Shared: Strategy · Base Building · Building

Stronghold: Definitive Edition
Shared: Strategy · Real Time Tactics · Building

Forts
Shared: Strategy · Base Building · Moddable

Kingdom: New Lands
Shared: Tower Defense · Base Building · Strategy

Creeper World 3: Arc Eternal
Shared: Strategy · Tower Defense · Base Building

Call to Arms - Gates of Hell: Ostfront
Shared: Strategy · Real Time Tactics · Moddable

The King is Watching
Shared: Tower Defense · Base Building · Strategy

Command & Conquer™ Red Alert™ 3
Shared: Strategy · Base Building · Level Editor