Top similar games like Planetary Defense Force:

Upgrade and evolve, expand your territory, and build mighty defense towers to repel hordes of monsters.

Get Off My Space! is a tower defense game where you rely on skillful tower placement and resource management to beat upcoming dangers of the galaxy. Combining strategy and micro-managing fire groups, you will overcome the hardest level objectives.

Build a kingdom by day, slash ragdoll hordes by night in this streamlined hack-and-slash strategy game.

Paper Protocol is a Tower Defense game with elements of Real Time Strategy. Command a versatile mech and a squad of high tech turrets to defend the Paper Co. building from angry trees! Upgrade both yourself and your turrets to defend against the trees and their unique abilities.

Become humanity's last hope. Gear up, upgrade, and unleash hell in a relentless third-person sci-fi shooter against a ruthless robotic army. The future is yours to forge in fire and steel.

Control a fully armed Mech and fight through cyberpunk cities, military bases and industrial ruins. Capture and defend territories, build turrets and structures, and wage war against powerful enemies!

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.

Top-down 3D action shooter. Fight against swarms of rogue AI machines and survive as long as you can!

Paddle Protectors is an mix of tower defense, real-time strategy and city-building. You will fight against crabs. Establish farms and factories to produce ammunition and resources, fortify your land, lead your soldiers and tanks.

Action tower defense with physics & couch co-op: carry your turrets, hurl objects, and survive swarm attacks.

Do you like Tower Defense games with Strategy elements? Well, look no further! We've got exactly what you're looking for! Get ready to defend your settlement from enemies using a huge arsenal of towers!

A grand and intense tower defense science fiction game, where you only need to purchase once to enjoy all the content of the game.

From the plains in the Pampas to the most hostile places in the untamed Patagonia: Manage your own frontier outpost, build new structures, train soldiers, and survive relentless attacks from the enemy.

Mow down the alien hordes, scout for resources and survive. Dreadnought is a mix of Action Tower Defense Survival and Shoot 'Em Up Bullet Hell where you control the ships turrets & defend against waves of enemies. Choose your weapons, upgrade your ship & brace yourself, the horde is coming.

Tanks Etc. is a modern reimagining of co-op overhead arcade classics; it offers classic gameplay while adding in depths of strategy to keep players reinventing strategies for waging war with their friends.

Journey to Moonray is a hypnotic, top-down twin-stick shooter featuring silky smooth visual FX and intense combat. Journey to Moonray offers beautiful shaders built on fluid physics to create a unique and surreal visual experience combined with classic, top-down twinstick shmup action

Survive on a hostile planet by automating a factory, fighting alien waves, and buying random upgrades. Hold out until the cleansing bomb drops! Roguelike strategy with drones & survival.

A minimalist game about fighting for freedom and independence in the United States of America!

Citadelic is a base building and defending strategy game with roguelite elements. Survive against waves of constantly evolving enemies while expanding your base and managing resources.

Armoured Onslaught is a fast paced Top-Down Shooter and Tower Defence hybrid. You will need to make use of both strategy and skill as you fight your way through near endless hordes of deadly foes.

[The Gears: Factory] is a third-person 3D factory-building game where the player's main goal is to build automated systems by mining minerals and producing industrial units.

In this Procedural City-Building and Survival game, you must manage your resources, expand your village, assemble an army and destroy the source of evil, which changed the entire eco system of a land that was once prosperous and peaceful.

Desperate Place is a strategic tower defense game where you play as a crew member who wakes up early on a damaged colonization starship. Stranded on an unknown planet, you must gather resources, repair the ship, and defend against alien monsters to survive and escape.

Roman Conquest: Rise to Power is a turn-based strategy game in which the player can feel like a great commander of the Roman Empire. Lead a legion and go with your army to recapture the occupied lands.

Halo: Spartan Assault brings the excitement of Halo combat to Steam for the very first time. Battle your way through 30 action-packed missions against the Covenant as you explore the origin of the Spartan Ops program featured in Halo 4. *DirectX feature level 10 required. *

Sektori is an intense, fast paced twin-stick shooter infused with hard hitting techno music. A game where the high-adrenaline gameplay, visuals, and music come together to transport you into another state of consciousness.

The Wave is a solo Action-shooter RPG, set on various planets within the galaxy. The player will conduct missions from your direct commander and your own secret missions to discover your past. You can also decide on your equipment and customize your own ship before in-between missions.

Let's go on an adventure on our little island. We capture enemy islands and increase our island. We place different types of troops on the island and fight with a stronger enemy.

Queen’s Revenge is a fast-paced tower defense game where you play as a fallen queen, betrayed and cast into darkness. Build defenses by day, fight relentless foes at night, and reclaim your throne. Every action counts—plan, battle, survive!

This is a casual and stress-relieving shooting game.

Rage of Towers delivers a unique hybrid experience where tower defense meets real-time control. Build and upgrade your towers and directly control turrets and mobile units to respond quickly to evolving enemy threats and turn the tide of battle

Rocketman is a high-intensity, top-down ARPG that brings you to the chaos of Planet Krit. Blend fast-paced combat with strategic tower defense as you battle relentless foes, upgrade your arsenal, and adapt to an ever-changing battlefield. Become the hero in this explosive fight for survival!

Dive into the Smash Cup universe! This genre-blending top-down shooter allows you to craft your own base, combining MOBA, tower defense and deck-building elements for a unique battle experience!

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