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.
Filters & Lists
The Front
The Front is a survival open-world crafting sandbox game. You are a resistance fighter sent back in time to stop the rise of a tyrannical empire. Collect resources, craft tech, build shelters, and fight monsters to accomplish your mission.
Lessaria: Fantasy Kingdom Sim
Lessaria is an RTS inspired by Majesty 👑 where you guide heroes with indirect control. Play through the campaign or relax in sandbox mode as you build your magical kingdom.
After Long Night
After Long Night is a sandbox survival RTS. Build and fortify your base, scavenge every corner for vital resources, craft deadly weapons, and raise a militia to fight off relentless zombie hordes that strike every night. In this world, scavenging isn't just survival—it's strategy, power and war.
CleanFall
CleanFall is a survival rogue-lite that prizes player freedom and creativity. Build mobile death machines to fight off ravenous hordes, craft and alchemize gun turrets, and tunnel through subterranean ecosystems crawling with nameless horrors.
The King is Watching
The King is Watching is a roguelite kingdom builder. Rule by the power of your royal gaze! Decide between producing resources, training armies, or balancing both, while adapting to unique events every run
Drill Core
Corporate greed meets strategic planet-mining in Drill Core! Drill to the heart of planets while managing workers, researching cutting-edge tech, and fortifying against alien attacks. Will you prioritize efficiency and risk your workers' safety, or focus on defense for survival?
Stronghold Crusader: Definitive Edition
Gird your loins and sharpen your steel! Besiege 20 unique enemy lords and battle friends online, in this expanded remaster of the classic 'castle sim'. Relive history with new units, opponents, visuals, audio, campaigns, skirmish trails, co-op and larger maps.
Zombie Cure Lab
In a world overrun by the undead, build a lab to fight back with science. Manage survivors, gather vital resources, and turn zombies into allies. Defend your base and research the cure to reclaim humanity.
Tower Dominion
Build and design the terrain while defending your stronghold against alien invasion in this unique Roguelike tower defense. Choose from 30 heroes, survive enemy waves, and upgrade a variety of destructive towers to hold the line!
Deck of Haunts
Deck of Haunts invites you to become a malevolent Haunted House. Lure humans into your cursed halls, manipulate their fears, and drain their essence to grow your power. Use strategy to build your mansion and expand your dark influence, turning your home into a terrifying, inescapable nightmare.
Castle Of Alchemists
Defend your castle in this fast-paced tower defense/action hybrid game with stunning pixel art graphics! Play as alchemically enhanced warrior Bellator, set traps, build towers, craft powerful weapons, and defend your home! The fate of the castle lies in your hands!
Gnomes
Gnomes is a turn-based tower defense with deep roguelike progression, set in ever-expanding, procedurally generated biomes. Build, farm and defend your village as you push deeper into goblin-infested territory. Unlock powerful upgrades and craft your environment to survive the endless goblin horde
SHOOPER NOVA
Craft Your Ultimate Circular Fortress! Dive into SHOOPER NOVA, where you choose props and components to build a unique fortress. Unlock combos to shape your strategy and battle style. Become an unstoppable barrage machine and obliterate waves of enemies from all directions!
Nordhold
Enemies are coming! Every decision matters: build your city, grow the economy, and prepare for enemy waves. Strengthen your defenses, adapt your strategy, and unleash your hero’s full potential. This unique Tower Defense will test your skills – are you worthy to claim a place at Valhalla?
Border Pioneer
As the kingdom's most promising pioneer, embark on a legendary journey to tame the frontier! Build thriving towns across various landscapes, fending off waves of diverse enemies until you establish a firm foothold and have explored everything the eye can see!
Orcs Must Die! Deathtrap
Orcs Must Die! Deathtrap combines chaotic third-person combat with devious trap-laying strategy. Enjoy endless replayability as your War Mage grows stronger through roguelite progression. Repel relentless orc hordes solo or with up to 4 players.
IDUN - Frontline Survival
A defense RTS where you can move turrets at will. Extract resources, upgrade technology, and defend against enemy swarms in a gripping space campaign. Hold the line, set up your turrets, and brace for screen-filling hordes!
Age of Darkness: Final Stand
Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.
Ark of Charon
Build a mobile fortress on the back of a giant and mysterious walking Tree and embark on a journey in this merge of tower defense and colony simulation.
Thronefall
A minimalist game about building and defending your little kingdom.
Diplomacy is Not an Option
Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?
Guardians of the Sanctree
You and allies, avian inhabitants of Sanctree City, build structures and production lines on the tree, crafting weapons to fend off subterranean insects. Defense is just the start—dig deeper, destroy nests, fortify new defenses against escalating threats for an impregnable stronghold.
Dread Dawn
This is an open-world zombie survival game set in a quarantined city. You play as a student left behind due to missing the evacuation convoy. Together with classmates and other survivors, you must defend the school, survive, and await rescue.
Dungeon Tycoon
Build your own dungeon and attract heroes from all over the realm! Grow your business by exploiting every facet of your visitors' dungeon exploration experience. Will you be able to keep your evil dungeon business going?