Top similar games like MannyTD:

Tank, action and shooting game, where does it start your new adventure in a world of science fiction and interplanetary wars...

Descend to an alien planet where you will steal the planets most valuable resource, while hordes of giant alien bugs sting, stab, claw and shock you to no end. You must hold them back from destroying the equipment and somehow stay alive to enjoy a nice payday.

Fight across five solar systems in a story-driven mix of tower defense and space combat, where every planet you save brings you closer to the truth and to those you thought were lost.

Year 2425, humanity colonized the exoplanet named SACH-041840. But then, in the 55th year "they" came; No one knows who or what controls them, but what is known is that if they reach the colony proper, it will be annihilated. It is up to you to bring the WRECKONING upon them!

Alicia Hudson and her fellow survivors must find a way to escape a dying planet after their spaceship crashes. This third-person shooter action game features RPG elements, a variety of weapons, fast-paced combat, massive enemy waves, challenging defend the city missions & much more..

SpaceMine is a third-person tower defence game where your mission is to defend your mining operation by building towers and barriers to hold off waves of local fauna and collect enough resources to meet the company's quota.

Join the Vikings in an epic tower defense adventure! Defend your ship against mythical bosses while mining resources and upgrading skills. Battle solo or team up with friends in online co-op for a journey of strategy, conquest, and victory.

A sci-fi shooter set on a space base

Dive into Astronaut Assault, a third-person Sci-Fi tower defense game, and battle against relentless enemy waves in diverse arena settings. Arm yourself with an array of turrets, traps, and gadgets to halt, hinder, and outmaneuver your foes.

Third person shooter with strategy elements.

Prologue to Orange Cast, an atmospheric adventure in a large-scale setting where Soviet and Western science fiction are combined itself. As a humanity’s elite space trooper, you take on a heroic, action-packed adventure throughout the galaxy.

Autothysis is a first-person tower defense game where strategy meets precision. Deploy turrets, manage resources, and fight swarms of insectoid enemies. Target weak points to shatter foes while upgrading defenses to survive escalating waves. Can you withstand the oncoming horde?

The year is 1962 and the Cold War has the nation gripped by fear.  A top-secret government unit called The Bureau begins investigating a series of mysterious attacks by an enemy more powerful than communism.

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. *

Scionide is a fast-paced sci-fi shooter set in 2268 AD, where the Amalgamate Republic fights for survival against the Scion Empire. Battle in single-player, PvP, and co-op PvE across dynamic maps.

Debt-ridden and desperate? Get out of the red and into The Red! Join the Red Horizons on Mars as an Extraction Security Associate and pay off your debts by defending your way to wealth in this ironic first-person-shooter/tower-defensy/existential-horror adventure!

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 cooperative action tower defense and third-person shooter where vision is mutually exclusive. Place towers to shine light on the endless horde of bugs, or use augmented vision to fight alongside defenses. Equip powerful modules that unleash your strategy's true potential!

Loopbreaker is a class-based, third-person, action roguelike in which you can go it alone or team up with friends to battle back against the alien invasion by collecting powerful items and outpacing the onslaught.

Try to survive in Spider Hell. Fight with big, realistic and terrifying spiders and versus swarms with literally thousands of spiders.

Gear up and get going! Defend your outposts from waves of alien enemies with your mech. Build and upgrade your base, protecting the extraction of the mysterious planetary system’s rich resources!

Fascinating and entertaining space action game.

Defend a castle by yourself or with friends against monsters in 3 phases. Defend the king at all costs, otherwise you'll never survive the horde.

Fast-paced vehicular shooter. Drive a combat vehicle of your choice, shoot your way through multiple battlefields, fight giant bosses, dodge asteroids and witness cataclysmic events.

REVN is a free-to-play, third-person MOBA shooter set in a dark futuristic world. Fully customize your character appearance and loadout to cater to your unique playstyle. Defend your core at all costs and ruthlessly destroy your enemies in fast-paced 5v5 MOBA action.

A Third-Person Tower Defense game in which you are an Intern sucked through a portal who now must defend the objective from aliens.

Halo: Spartan Strike makes you a Spartan supersoldier battling evil forces. Delve into 30 challenging missions through cities and jungles using a devastating arsenal of weapons, abilities and vehicles including the iconic Warthog against the Covenant and Promethean enemies. *DirectX feature level 10 required*

A first person shooter and tower defense blend where players defend against waves of robots. Play alone or with friends to design paths, build towers, and upgrade weapons to protect key areas!

SpaceSeals is an exciting third-person shooter set in a spaceship captured by hostile robots.

A Sci-fi procedural spaceship exploration game, where you unlock new weapons and abilities as you complete missions and gather bounties. Deploy your advanced tactics mech unity, in this 3rd person shooter game!

Fortified is an explosive strategy shooter where players will defend the Earth against a menacing Martian invasion in the 1950s. Play as one-of-four pulp inspired heroes as they fight swarms of terrifying robots with an arsenal of Cold War era weapons and experimental technology.

A third person, sci-fi, looter shooter. Reclaim earth from robotic enemies. Level up, gain skill abilities, and fight for the right of our very existence.