Games like Iron Brigade

Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.

Mechs V Kaijus is an addictive hardcore tower defense gameplay. In Mechs V Kaijus you take on the role of Commander of a powerful Mechs squadron. Improve your Mech, strategically place towers and factories on the battlefield. Deploy support units on the battlefield, and save our civilization.

Tower Wars combines elements of tower defense, RTS, and all-out multi-player mayhem to bring you a completely unique experience, delivered with a fun and funny not-so-old world style!

Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.

Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis! A battlefield swarming with insects makes strategic and combat decisions crucial. Each decision will determine your fate. Defend humanity's last sanctuary, fight fiercely, and uphold human honor with wits and courage!

Gear up for tactical mech action in War Robots: Frontiers, a free-to-play multiplayer mech shooter. Construct and customize, squad up with Pilots online, and fire up your engines in massive intergalactic battles.

The ultimate mash-up of Real-time Strategy and Tower Defense!

A classic real-time strategy game with an epic single player campaign, multiplayer & coop, set in the alternate reality of 1920+

Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi adventure.

The biggest installment of the award winning Sentinel sci-fi tower defense series now on PC!Take the fight to the alien homeworld and unleash a massive arsenal of weaponry. Get up close and personal on the battlefield in your power armor to execute devastating attacks and support your defenses! * An epic campaign across 20 levels.

Anomaly Warzone Earth Mobile Campaign continues Steam's Anomaly Warzone Earth in an extra 15-level campaign. Originally released on mobile devices, the campaign is brought to Steam for PC, Mac and Linux exclusively in Anomaly Bundle. AWE Mobile Campaign turns tower defense on its head.

Beware Planet Earth! is a beguiling mix of classic tower defense and time management coming to PC via Steam for the first time. Save your cows from the Martian invasion by building an effective defense using towers, traps and objects, and also by firing your Zapper directly at the invading force of little green men!

MechDefender is an innovative fusion of two gaming genres - seamlessly blending the intense action of a top-down shooter with the strategic depth of tower defense.

Command massive armies in this epic mech auto-battler. Draft your troops, customize your units, master your formations, and crush enemies in spectacular 3D battles. All strategy, no clickfest. Outsmart opponents in 1v1, 2v2, free-for-all, or Survival Mode.

The zombie apocalypse is upon us and it's up to you to evacuate everyone before they fall prey to the undead. Conduct massive rescue operations with a helping hand from snipers, artillery crews, orbital bombardments, and more.

Lead an armored squad through the perils of this reversed tower defense action-strategy game!

In a near future, the world has been devastated by a virus turning humanity into zombies. You are Iron Corps, the last defense of civilization traveling the world to find resources, help people and find answers. Will you survive long enough?

Ancient Planet is classic tower defense game. The stronghold of an ancient civilization has been invaded by hordes of alien raiders. Use powerful technologies of the Ancient and repel the attack of the enemy's armies!