Games like Armed to the Gears
Games like Armed to the Gears include The Ascent, RUINER, Brigador: Up-Armored Edition, Taur, and X-Morph: Defense. We matched them by the tags players give Armed to the Gears on Steam (Top-Down Shooter, Tower Defense, RTS, Shooter, and Top-Down): closest matches first, and among equally close ones the better-known games.

The Ascent
Shared: Top-Down Shooter · Cyberpunk · Shooter

RUINER
Shared: Top-Down Shooter · Cyberpunk · Action

Brigador: Up-Armored Edition
Shared: Top-Down Shooter · Mechs · Cyberpunk

Taur
Shared: Tower Defense · RTS · Base Building

X-Morph: Defense
Shared: Tower Defense · Top-Down Shooter · Shooter

Cavalry Girls
Shared: Top-Down Shooter · Shooter · Mechs

Halo: Spartan Assault
Shared: Top-Down Shooter · Top-Down · Shooter

Creeper World 3: Arc Eternal
Shared: Tower Defense · RTS · Top-Down

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

Insect Swarm
Shared: Top-Down Shooter · Shooter · Top-Down

SYNTHETIK: Legion Rising
Shared: Top-Down Shooter · Shooter · Indie

Yet Another Zombie Defense HD
Shared: Top-Down Shooter · Tower Defense · Shooter

Escape From Duckov
Shared: Top-Down Shooter · Shooter · Action

Outpost: Infinity Siege
Shared: Tower Defense · Base Building · Robots

Infested Planet
Shared: Tower Defense · RTS · Top-Down

HELLDIVERS™ Dive Harder Edition
Shared: Top-Down Shooter · Top-Down · Shooter

Titanfall® 2
Shared: Shooter · Mechs · Sci-fi

Cluckmech Oasis
Shared: Tower Defense · Top-Down Shooter · Shooter

Mindustry
Shared: Tower Defense · RTS · Base Building

Desperate Place
Shared: Top-Down Shooter · Tower Defense · Shooter

Lumencraft
Shared: Tower Defense · Shooter · Top-Down Shooter

Nuclear Dawn
Shared: RTS · Shooter · Post-apocalyptic

The Last Stand: Aftermath
Shared: Top-Down Shooter · Shooter · Post-apocalyptic

Hard Reset Extended Edition
Shared: Cyberpunk · Shooter · Sci-fi