Games like DefenseCraft
Games like DefenseCraft include Age of Darkness: Final Stand, Bloons TD 6, Broken Arrow, Bee Island, and Age of Mythology: Retold. We matched them by the tags players give DefenseCraft on Steam (Crafting, Tower Defense, Resource Management, Exploration, and RTS): closest matches first, and among equally close ones the better-known games.

Age of Darkness: Final Stand
Shared: Tower Defense · RTS · Action RTS

Bloons TD 6
Shared: Tower Defense · Strategy · Casual

Broken Arrow
Shared: Strategy · RTS · Action RTS

Bee Island
Shared: Tower Defense · Strategy · Action RTS

Age of Mythology: Retold
Shared: RTS · Strategy · Resource Management

Factorio
Shared: Resource Management · Crafting · Strategy

Mindustry
Shared: Tower Defense · Resource Management · RTS

Thronefall
Shared: Tower Defense · Strategy · Action RTS

Cossacks 3
Shared: RTS · Strategy · Resource Management

Tower Factory
Shared: Tower Defense · RTS · Strategy

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

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

Starship Troopers: Terran Command
Shared: RTS · Strategy · Resource Management

Total War: WARHAMMER III
Shared: Strategy · RTS · Real Time Tactics

Tower Dominion
Shared: Tower Defense · Strategy · RTS

Diplomacy is Not an Option
Shared: Resource Management · RTS · Tower Defense

The King is Watching
Shared: Tower Defense · RTS · Resource Management

Company of Heroes 3
Shared: Strategy · RTS · Action RTS

Warpips
Shared: Tower Defense · Strategy · RTS

Rogue Tower
Shared: Tower Defense · Strategy · Casual

Satisfactory
Shared: Crafting · Resource Management · Exploration

They Are Billions
Shared: Strategy · Tower Defense · RTS

This War of Mine
Shared: Crafting · Strategy · Resource Management

Age of Empires II (Retired)
Shared: RTS · Strategy · Resource Management