Top similar games like Pulse Citadel:

Defend your planet from relentless stream of incoming asteroids in this fast-paced 2D tower defence game. Strategically place defensive buildings and upgrade your arsenal to protect your world from destruction!

A short incremental game about firing bouncing shots, crushing geometric swarms, and upgrading your beacon to send its signal farther and farther.

Defend Your Land is a tower defense game focused on smart placement and impactful upgrades. Deploy units, strengthen your defenses, and stop relentless enemy waves before they overwhelm your base.

Relaxing, casual single-Player Tower Defense Game for breaks in life.

Prepare for the onslaught! Chromatrix is a retro tower defense game where color and placement are everything. Upgrade and customize your turrets to counter shifting enemy-types and map configurations. Manage your resources and craft the perfect defense against any attack!

The conquistadors just landed and they are coming for your treasure! You must protect your Sanctuaries against this new threat. Take arms, lay down traps, improve your empire and lead your Heroes into battle to repel the invaders!

An incremental space mining game where you harvest resources across star systems. Discover hidden blueprints, research powerful technologies, upgrade your ship, and defend against relentless enemy waves and massive bosses.

A wave-based action game, where you fight to survive for as long as you can.

Solar Defense is a Military Sci-Fi inspired Tower Defense game focused heavily on strategy and decision making. Defend key locations and repel the Pilakarr forces back to their home world to end their attack and bring an end to this war.

Idle Tower Defense is a game where you control a single tower to fight off hordes of enemies. No randomization. Choose from a variety of modules to create unique builds and upgrade modules and survive endless waves.

We've traveled to the past to conquer these fertile lands. Now, you must defend them from the blood cult intent on taking it for themselves. Be careful though: from where their blood is spilled, ancient magicks empower whomever is still alive.

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!

Tech Blast is an action-puzzle game where a young mechanic explores an abandoned planet, solving puzzles, building mechanisms, and battling ore insects.

The Echoes of Mars is a voxel-style tower defence game. Defend your research base on Mars from ancient creatures by strategically placing towers and using advanced tech.

An endless Tower Defense game of epic Monsters vs evil War Machines. Unlock and upgrade tons of unique elemental Monsters (Water, Air, Earth, and Fire) to defend your home from an infinite swarm of robots. Strategize the most effective placement of Monsters to synergize their elemental abilities.

Survive endless waves of dark entities, use your clicks as a resource, and grow stronger with every run. Find and upgrade powerful modules and unlock new technologies in this incremental clicker defense game. Also - Everything is square.

Elemental-rune tower defense with permadeath. Roll LAVA / GLACIER / ELECTRIC / STEEL attributes on your towers, combo into Tier 2 at Lv 10, dual-roll at Lv 15. Sell to reshape the path. 28 achievements, Steam Leaderboards, Steam Cloud.

Last warrior of the Herbheim's clan, it's your duty to defend the last family mine

Build your towers according to the enmey you are facing in the wave. Upgrade your turrets to increase range, damage or rewards. Each enemy wave will be random and increases in speed and damage resistance. How far can you go!

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.

Defend. Upgrade. Dominate. A relaxing incremental base-defense game, packed with powerful skills and a deep skill tree.

On SPACE HIT you finished your space mission, and it's just time to come back home, but your journey will not be so easy as you think...

A fast-paced sci-fi tower defense game where you strategically place and upgrade Glowbots to stop waves of enemies across vibrant space maps.

Cyber Tower 2048 is an action tower defense game where players fight insectoids by building defenses and developing tactics.

Pulse laser battles between you and enemies.

A short incremental game about building a career by destroying planets, meeting corporate goals, and investing in profitable — and maybe not so ethical — ventures.

The hungry Gooper swarm threatens intergalactic peace. Stop them! Build towers around planets and take control over their orbits. Spin them with all you’ve attached! Collect new towers, powers and upgrades to beat the onslaught of goopers and save the galaxy in this colorful Tower Defense Roguelite!

Relax and watch your marbles fill circle after circle. Make strategic improvements then unwind in this retro futurist, idle arcade game.

Telealiens is a puzzle game about pushing things at a distance! You control telekinetic aliens that can move objects by simply looking at them.

You are a Portal Guardian. It is your job to help protect the secret gateways to the Realm. Your people have been kept safe and unaware for centuries, but something dark and relentless has been stirring... Unleash the fury of your towers and magic to defend the portal and the realm or all is lost!

Defend your Starbase in a vibrant roguelite shooter. Upgrade your weapons mid-run, unlock permanent rewards, and survive the endless onslaught.

Outhold is a short, strategic incremental game that blends tower defense with a deep meta-progression. Experiment with builds and find overpowered synergies to defend the dwindling fires of Outhold.

'A game about eating the universe' is a short, satisfying incremental game. grow a black hole by destroying planets.

Bumper Blitz TD redefines tower defense with gravity-powered physics and dynamic gameplay. Build, upgrade, and bounce enemies away in this thrilling fusion of strategy and action!

Customize your Ships, Upgrade your fleet, and Command your way to victory in this ruthless rogue-lite tower defense/real time strategy hybrid. Take on an enemy that learns from your moves and adjusts its own path. Do you have what it takes to persevere?

A space-themed incremental shooter where destruction fuels growth. Annihilate asteroids, harvest wealth, and climb a massive upgrade tree.