Top similar games like Guard Protocol:

This is a fast-paced top-down shooting and tower defense game. You need to customize and upgrade your chariot, build defensive structures to protect your base, explore the world and destroy all enemies! Don't forget to come back and defend when the enemy attacks! Can you make it to the end?

Set in the merciless blizzards of a far off planet, The Last Defender is a cooperative third-person survival shooter with strategic defence and crafting elements. Nurture your colonists, build your defences and prepare for an enemy that adapts and learns your weaknesses. No wave is ever the same.

Rise of Mutant Swarms is a strategy survival tower-defense game where you defend the base against waves of evolving mutant enemies. Place and upgrade turrets, adapt to enemy abilities, and make critical decisions as the pressure rises with every wave.

Protect your crystal at all costs! Build your defense line, upgrade your abilities, and fight against endless waves of enemies in this fast-paced survival game that blends fluid FPS action, tower defense strategy, and roguelike mechanics.

A tactical top-down roguelike where you defend a collapsing stronghold alongside a damaged AI. Break shields, shred armor, deploy orbital defenses, and forge devastating weapon and turret synergies to survive the next Dawn.

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!

Aim, fire, and fortify. Shogun's Stand is a fast-paced tower defense where you take direct control of your castle against relentless waves of feudal enemies. Place traps, command the battlefield, and level up to survive!

Robowars is back on Steam! Fight off troops of droids for freedom and honor in our classical tower defense game. Lead the forces of the Solar Union to protect the peaceful planet of Praymos from the aggressive Trade Confederation.

Engineer and command the Ironfront Express in a roguelite lane-defense where you build your train car by car with specialized turrets, drones, and tactical abilities, fighting through relentless waves of thousands of corrupted mining machines toward the rogue AI core.

Survive in a ruined Biosphere on a hostile alien world. Endure, then harness the extreme weather, battle powerful bosses for upgrades, and uncover the mystery behind the planet’s lost atmosphere.

Do you have what it takes to defend what is yours? This is not a typical tower defense game where the troops do all the work. This is a hybrid FPS/TPS tower defense game which you take over the control to defend your island.

Build traps. Fight bots. Survive the waves. Die Robot is a stylized third-person tower defense game where you defend a mysterious Data Seed from waves of robots, the Carbonites. Mix real-time base building with fast-paced combat in a strategic fight for survival.

A dark fantasy tower defense and survival game where you build defenses by day and possess your warriors by night to fight off endless waves of monsters.

Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.

You are a destructive piece of junk and your goal is to run over your enemies using all kind of weapons, abilities and upgrades

Defend your base by placing towers strategically, forming interconnected systems that depend on one another. Adapt your strategy to different environments and enemy waves, exploiting their weaknesses. In System Status: SuperCritical, resources are scarce and critical failure is always an option.

Star Surfer is an action roguelike where the goal is survival through upgrading powerful weapons and ship modifications.

Unleash strategic survival in Warf, where you guide Warf through relentless hordes, deploy towers, and engage in thrilling combat. Defend against the horde and emerge as the ultimate survivor in this innovative fusion of survival action and tower defense

Tower Tactics Arena is a fast-paced action roguelite set in the Tower Tactics: Liberation universe. Battle relentless enemy waves in a closed combat arena, level up your towers strategically, and gather powerful trinkets and potions! Will you claim victory in the arena?

Tower Defense with resource- and base management! Waves of enemy robots with special abilities, shield and armor! Mining, refining and production for building and repairing! Environmental hazards and the best: the Orbital strike!

A fast-paced survival action platformer where you battle massive enemy swarms, master precision movement, and create powerful combat builds.

A minimalist horde survival arena where you’re hunted by an endless swarm of drones - kite the horde, bait them into deadly traps, upgrade your defenses, use special items and survive as long as you can. Every minute the swarm grows denser, faster, and deadlier.

Defend a crashed forge in this 2D survival defense roguelite. Expand a modular world grid, build towers and traps, and survive relentless enemy waves across shifting days, storms, and darkness.

Fight endless waves of enemies in a fast-paced roguelite space survivor. Build devastating ship combinations, unlock powerful upgrades and survive the void.

A ghostly round based FPS with tower defense, roguelike, and farming elements. Survive the rapidly changing seasons, build up your farm during the day, by night you will fight endless hordes of ghosts that want to haunt and capture your home.

Build and defend a mining operation on a distant planet in this tower defense bullet heaven shooter. Build and upgrade defenses, fight off waves of enemies from a rival corporation, and earn enough credits to buy your body back and escape this deep space hellhole.

TEOM is a roguelite strategy game that draws inspiration from the tower defense genre to innovate it through dynamic levels, interactive elements, and high replayability. Follow Aiden and his friends on an unexpected journey through this vibrant world.

Immerse in a virtual world, battle hordes, and level up in our roguelike game. Face intense challenges, upgrade your character, unlock unique abilities, and acquire powerful gear. Ready for the adventure? Gear up, and explore this captivating roguelike realm for a new challenge in every game!

As part of the Containment Crew, it’s your job to keep the facility running—clean spills, replace fuses, and keep the power on. But when containment breaches occur, every shift becomes a fight to finish your duties and make it through the night alive.

A fast-paced roguelike top-down shooter. Take control of a badass in a wheelchair in this post-apocalyptic combat arena. Master the game's unique controls and upgrade your weapons to become the champion.

Drive tanks & robots in a roguelike bullet-heaven, playable top-down or third-person. Survive 15 waves of chaos—drift, shoot, smash, and unleash physics-powered mayhem with customizable builds.

Fight, die, repeat! VOXEL Hunters is a top-down roguelite arena shooter. Enter small, fast-paced arenas where you must eliminate all enemies. Engage in quick, action-packed missions, experiment with powerful abilities and augments, and unlock unique cosmetics to customize your appearance.

A tower-defense game with roguelite elements on fully explorable mini planets! Travel the galaxy of Vyrosa, land on planets, and defend your drilling equipment while mining fuel to continue your journey throughout the galaxy!

Build your world and defenses in this unique and dynamic VR action-survival building game. Players can choose to casually build and save their own worlds or fight waves of robots in their world or in one of the unique environments. Players can utilize blocks and weapons to fight off waves of robots.