Discounted Tower Defense Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated tower defense games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Tower Defense games on Steam.
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Unstoppable Gorg
Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!
Dungeon Defenders
Create a hero from one of four classes to save Etheria in this 4-player coop Tower Defense Action-RPG. Includes Steam exclusive Portal gun & TF2 familiars!
Orcs Must Die!
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
Rock of Ages
A rock-solid combination of rock-rolling action, deep strategy, and captivating art and music from different ages of history, this is a game of crush or be crushed!
Alien Hallway
Players measure stamina with a never-ending stream of green creatures within the borders of a special military mission.
Sanctum
You think Tower Defense games are all about building? You thought wrong. Sanctum is not your average Tower Defense title. When the havoc starts, you get to join the fray! As one of the world’s first First Person Shooter - Tower Defense games, Sanctum has taken the best of both worlds to deliver an epic, one-of-a-kind experience.
Anomaly: Warzone Earth
Lead an armored squad through the perils of this reversed tower defense action-strategy game!
Revenge of the Titans
The ultimate mash-up of Real-time Strategy and Tower Defense!
Atom Zombie Smasher
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.
Monday Night Combat
Monday Night Combat is a class-based, third-person shooter… and the most popular lethal sport of the future!
Swords and Soldiers HD
Rewrite history as you take control of the brutal Vikings, the devious Aztecs or the crafty Chinese in their global quest to win the favour of the Gods! Swords & Soldiers is a side-scrolling strategy game that lets you control an entire army and lets you wield devastating magical abilities.
AI War: Fleet Command
"You are outgunned. You are massively outnumbered. You must win." These are your orders. Humanity has already fought its war against the machines -- and lost. AI death squads stand watch over every planet and every wormhole, the few remaining human settlements are held captive in orbiting bubbles, and the AIs have turned their...
Defense Grid: The Awakening
Defense Grid: The Awakening is a unique spin on tower defense gameplay that will appeal to players of all skill levels. A horde of enemies is invading, and it's up to the player to stop them by strategically building fortification towers around their base.
Iron Grip: Warlord
Iron Grip: Warlord invigorates tower defense with first-person shooter elements to give a new twist to the genre.It puts you in the heat of the battle, fighting off hordes of AI-controlled invaders. Play alone or with friends, in a diverse and challenging struggle to save all of Atelia.
Multiwinia
Multiwinia is a fast-paced, retro-inspired RTS that blends arcade action with strategic depth. Command armies of Multiwinians in multiplayer battles across vibrant, nostalgic environments. With simple controls and dynamic gameplay, it offers endless fun and challenge for players of all skill levels.