Games like Sears: The Sky Frontier
Games like Sears: The Sky Frontier include Totally Accurate Battle Simulator, Bloons TD 6, Age of Darkness: Final Stand, Orcs Must Die! 3, and Ultimate Epic Battle Simulator 2. We matched them by the tags players give Sears: The Sky Frontier on Steam (Spectacle fighter, Tower Defense, Sandbox, Strategy, and PvE): closest matches first, and among equally close ones the better-known games.

Totally Accurate Battle Simulator
Shared: Sandbox · Strategy · Funny

Bloons TD 6
Shared: Tower Defense · Strategy · Sandbox

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

Orcs Must Die! 3
Shared: Tower Defense · Strategy · PvE

Ultimate Epic Battle Simulator 2
Shared: Sandbox · Strategy · RTS

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

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

Lessaria: Fantasy Kingdom Sim
Shared: Strategy · RTS · Tower Defense

Creeper World 4
Shared: Tower Defense · RTS · Strategy

Mindustry
Shared: Tower Defense · Strategy · RTS

Bloons TD 5
Shared: Tower Defense · Strategy · Casual

Your Only Move Is HUSTLE
Shared: Spectacle fighter · Strategy · Sandbox

Age of Mythology: Retold
Shared: Strategy · RTS · 3D

Goat Simulator
Shared: Sandbox · Funny · Simulation

Infested Planet
Shared: Tower Defense · Strategy · RTS

Slime Rancher
Shared: Cute · Sandbox · Funny

SPORE™
Shared: Sandbox · Strategy · Cute

Creeper World 3: Arc Eternal
Shared: Tower Defense · Strategy · RTS

Total War: WARHAMMER III
Shared: Strategy · RTS · Fantasy

Ultimate Epic Battle Simulator
Shared: Sandbox · Strategy · Funny

Animal Revolt Battle Simulator
Shared: Sandbox · Strategy · Funny

Garry's Mod
Shared: Sandbox · Funny · Casual

GemCraft - Frostborn Wrath
Shared: Tower Defense · Strategy · RTS

GemCraft - Chasing Shadows
Shared: Tower Defense · Strategy · Top-Down