Top similar games like Siege of Spellspire:

A physics based, point-and-click tower defense game where you equip castles with traps to defend your king. Be creative and embrace the chaos that ensues!

Dawnhelm Defense is a strategic tower defense game set in a medieval-fantasy world where players must defend the mighty fortress of Dawnhelm from relentless waves of enemy invaders. You will build and upgrade powerful towers and deploy magical abilities to stop hordes of enemies.

A relaxing incremental tower defense game. The demon tide rises, and the last mage tower trembles on the edge of ruin! Start as a humble apprentice, study the arcane, forge staves, and break through rank after rank. Hold the line and rise to become the supreme Archmage.

A short incremental siege game centered around growing and strengthening an army to defend your kingdom. Seize the crown from an endless wave of enemies for your best chance at survival!

Pray & Slay is a short-form action incremental where you wield holy light, tear through fast-paced runs, and unlock increasingly powerful—and increasingly unholy—ways to destroy everything in your path.

Freely place towers to build mazes, combine towers with unique mechanics and powerful spells, and create devastating kill zones. Defend the Seal Stones from relentless monster waves in this casual tower defense game.

Survive and equip yourself with spells and effects against the King's men in this tower defense based game. Customise the behavior of your spells through various dice triggers.

A light Rogue strategy game centered on building and defense. Build your territory, recruit soldiers to fend off enemies. 9 maps, 6 weapons (30 talents), 40 monsters, 30 units/buildings. Plan your pace, control soldiers, choose abilities—enjoy command and strategy.

A dynamic low-poly Tower Defense. Command mobile squads and repel attacks from 4 factions. Collect gold from settlements during battle to craft equipment—the currency for hiring new troops. Defeat titanic bosses, upgrade your camp, and unlock elite tiers for your army!

Defend the milk at all costs! Place towers, build your base, recruit minions, and battle endless swarms of enemies. Unlock new towers, characters and base upgrades, and upgrade them to create ridiculous builds. Every run is unique.

Guard the last remaining tower with an array of weapons and magical powers! In this unique tower defense on a tower game, the horde of monsters coming from down below is relentless, and it is your duty to dispatch them.

Last Watchtower is a short incremental defense game. Gather resources, pick upgrades, and unlock powerful tower abilities. Experiment with diverse builds, withstand relentless monster waves, and grow stronger with every run through permanent meta-progression.

Build your fortress by day and defend it by night. Construct walls, recruit troops, draw powerful cards, and lead your hero into battle against ever-growing enemy armies.

Grow your army of mutated monsters, deploy your troops before battle, and crush humanity's deadly defenses. Invade destructible maps by unlocking new creatures and spells from a massive mutation tree.

Build up your defenses, fortify your camp and fight back the demon horde that has come to take what little you have left.

A plague of monsters and zombies threatens the world, and only an elite squad can stop it! Fight in intense arena-style battles, eliminate enemies, use towers to your advantage, and evolve with exclusive upgrades. Each match is a new chance to save the world!

Skyward Bastion is a roguelite tower defense game set on floating islands. Build and upgrade your defenses, unlock new strategic possibilities, and adapt your run to procedurally expanding maps.

In this thrilling Tower Defense - type game, you will become the main defender of your kingdom. Build powerful guns and strategically deploy them on the battlefield to fend off waves of incoming enemies. Your goal is to protect your territory and destroy all threats using various types of guns.

Escape from the enemies and build a fortress to face them, you can play alone or in online games of up to 4 players.

Elemental War takes Tower Defenses to a new level with exciting multiplayer matches, dozens of hours of single-player gameplay, and lots of indie love!

A tactical defense game where you build the battlefield itself. Lure enemies through your maze using traps, towers, and godly powers.

"King Of The Hill" is a top-down survival game where you have to defend your castle from enemies. Hire knights and heroes, improve them and your economy, fight different enemies and set records for time.

Medieval Tower Defense and Real-time Strategy hybrid where positioning, gold farming and tower capturing decide the outcome against waves of legions and dragons.

Spectral Realm is a top-down tower defense Rogue game, where players need to play the role of an astronaut who has just landed on a different planet to block a constant stream of attacking native creatures and continuously strengthen themselves with the gems contained within their bodies.

An incremental swarm tower defense. Play solo or 2–4 player Steam co-op. Defend a doomed mining colony through a full campaign, infinite procedural maps and Workshop creations. Build towers. Call orbital strikes. Kill billions. The only good bug is a dead bug. Do your part!

Defend an ever-expanding procedural map where towers buff your units and every boss drops game-changing loot. Choose a class, master Fire, Ice, Lightning, or Physical units, and survive.

Klondor is in grave danger of being overwhelmed, enter the Labyrinth, prepare your defences, defend your Mana Crystal and annihilate the incoming waves of enemy forces that pose a threat to the Kingdom.

Build an unlikely army in this medieval-fantasy roguelike auto-battler. Choose from 80+ heroes with unique powers, join one of 10 factions, and conquer the galaxy’s 10 planets to impose your supremacy. Every victory, every defeat… comes down to your choices.

Deep Base is a world were you place towers to defend against waves of enemies.

Orcs coming TD is a classic tower defense game where you have to keep an eye on your economy and defenses .

Build towers against waves of golems. Spend resources for upgrades or to increase income. Control your hero to fight golems directly.

Keep of the Knights is a battle simulator game where you can battle hordes of barbarians and other monsters. Upgrade your armor and weapons, hire allies, and, of course defend your keep!!!