Games like Halo: Spartan Assault on Steam

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Halo: Spartan Strike 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*

Similarity 86%
Price 2.99€
Rating 7.7
Release 16 Apr 2015
Shadowgrounds Shadowgrounds breathes fresh air into the action genre with explosive combat sequences, an innovative weapon upgrade system, and an intriguing storyline. The adrenaline-pumping, top-down gameplay and audiovisual fireworks set the scene for this new action experience which also includes single computer (split keyboard or joystick) co-op...

Similarity 78%
Price -85% 0.74€
Rating 7.8
Release 08 May 2006
Hostile Waters: Antaeus Rising In 2032 an Earth that knows only peace is forced to relearn the art of war. Twenty years have passed since the population of Earth did a fine job of destroying nearly everything in one final struggle for power by the politicians and military leaders.

Similarity 66%
Price -91% 0.28€
Rating 7.2
Release 30 Jan 2014
Alien Breed: Impact Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.

Similarity 64%
Price 8.99€
Rating 7.2
Release 03 Jun 2010
Alien Breed 3: Descent Experience the final explosive chapter in the Alien Breed series and uncover the horrifying truth surrounding the existence of the Breed. Launch discount good thru Nov. 24 10am PST.

Similarity 63%
Price -92% 0.89€
Rating 7.1
Release 17 Nov 2010
Crimzon Clover World EXplosion Prepare yourself for an insatiable rain of bullets, bombs, and beams in Crimzon Clover. Earn all the power-ups for an overpowered experience in the all new ARRANGE version.

Similarity 61%
Price -12% 17.25€
Rating 8.9
Release 06 Dec 2021
Half-Life: Blue Shift Made by Gearbox Software and originally released in 2001 as an add-on to Half-Life, Blue Shift is a return to the Black Mesa Research Facility in which you play as Barney Calhoun, the security guard sidekick who helped Gordon out of so many sticky situations.

Similarity 59%
Price 4.99€
Rating 9.0
Release 01 Jun 2001
2112TD: Tower Defense Survival Get ready for the ULTIMATE tower defense onslaught. Build, deploy, research and upgrade your defenses in this epic, old school RTS inspired sci-fi adventure.

Similarity 58%
Price 4.69€
Rating 8.2
Release 19 Jan 2023
Vanquish PlatinumGames’ revolutionary sci-fi action shooter slide-boosts onto PC. Battle legions of future-tech enemies using a vast arsenal of weapons, including all DLC. Fully unlocked framerate and gorgeous HD resolutions up to 4K. The definitive way to play: war has accelerated.

Similarity 58%
Price -79% 4.33€
Rating 8.7
Release 25 May 2017
Advent Rising A common legend pervades the galaxy-that of a powerful, highly intelligent ancient race that will one day deliver the universe. They are known as Humans. The Advent of Humanity Begins...

Similarity 58%
Price -92% 0.86€
Rating 7.4
Release 14 Sep 2006
STAR WARS™ Battlefront The STAR WARS™ Battlefront™ Ultimate Edition includes the STAR WARS™ Battlefront™ Deluxe Edition as well as the STAR WARS™ Battlefront™ Season Pass.

Similarity 58%
Price -75% 4.99€
Rating 7.6
Release 11 Jun 2020
12 is Better Than 6 12 is Better Than 6 is a dynamic top-down shooter with stealth elements, presented in a Wild West theme. The story puts you in the shoes of escaped slave fleeing to the United States in 1873.

Similarity 57%
Price -95% 0.38€
Rating 8.1
Release 20 Nov 2015
Snake Force Snake Force is an alternative top-down shooting game inspired by the classic game Snake. In this game, you’ll rescue your bros and fight along side with them. You and your bros will stand in a line, and shoot at the same point. Keep the shape of your squad, because bullets hurt whatever they hit.

Similarity 57%
Price Free to play
Rating 9.4
Release 18 Nov 2021
Anomaly 2 Anomaly 2 is a sequel to the critically acclaimed Anomaly Warzone Earth. Maintaining the core elements of the original, Anomaly 2 adds plenty of new features: unit morphing, over million tactical combinations, post-apo world and tower defense vs tower offense multiplayer mode.

Similarity 57%
Price -97% 0.53€
Rating 7.6
Release 15 May 2013
STAR WARS™ Jedi Knight - Mysteries of the Sith™ It is five years after Kyle's victory over the seven dark Jedi. Invading Imperial forces advance upon a quiet Rebel outpost, interrupting Kyle's training of a brave new Jedi, Mara Jade. First introduced in Timothy Zahn's award-winning Star Wars novel, Heir to the Empire, Mara Jade blends her past experiences as a one time smuggler and...

Similarity 56%
Price 2.99€
Rating 6.4
Release 16 Sep 2009
INDUSTRIA Embark on a gripping journey in INDUSTRIA, an atmospheric FPS set in Cold War-era East Berlin. Unravel the secrets of a mysterious parallel dimension while searching for a missing colleague. Explore a haunting reality where the truth awaits. Discover the dark past that lies beyond.

Similarity 56%
Price -97% 0.73€
Rating 6.9
Release 30 Sep 2021
Crysis Warhead® Pulse-racing new installment from 2007's PC Game of the Year*: Play as Sergeant Sykes and experience a whole new side of the battle. A standard combat mission behind enemy lines becomes critical when you discover your enemies have captured something of vital importance to the ensuing war.

Similarity 56%
Price 19.99€
Rating 8.3
Release 17 Sep 2008
The Bureau: XCOM Declassified 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.

Similarity 55%
Price -96% 0.84€
Rating 6.9
Release 22 Aug 2013
Tesla vs Lovecraft Tesla vs Lovecraft is an intense top-down twin stick arena shooter from the creators of Crimsonland and Neon Chrome. Play as the enigmatic inventor Nikola Tesla harnessing the static energy to power up Tesla-Mech and give the lovecraftian nightmares a lesson in horror!

Similarity 55%
Price -94% 0.96€
Rating 8.5
Release 26 Jan 2018
Iron Marines Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!

Similarity 55%
Price -50% 6.27€
Rating 7.5
Release 15 May 2019
Livelock Livelock is a co-operative top-down shooter where you play solo or with up to two allies to break the cycle of infinite war between machines. As one of the remaining Capital Intellects, your role is to unlock Eden and revive humanity.

Similarity 55%
Price -91% 0.95€
Rating 7.6
Release 30 Aug 2016
Crysis 2 - Maximum Edition Aliens are decimating New York City, only you have the technology to survive. Be The Weapon.

Similarity 55%
Price -78% 6.77€
Rating 8.3
Release 22 Mar 2011
Anomaly Warzone Earth Mobile Campaign Anomaly Warzone Earth Mobile Campaign continues Steam's Anomaly Warzone Earth in an extra 15-level campaign. Originally released on mobile devices, the campaign is brought to Steam for PC, Mac and Linux exclusively in Anomaly Bundle. AWE Mobile Campaign turns tower defense on its head.

Similarity 55%
Price -93% 0.35€
Rating 7.5
Release 06 Nov 2013
Prospekt Prospekt begins in the Nova Prospekt prison in the Half-Life universe. Gordon Freeman is slowly being overrun by soldiers in the prison, however unknown to him, his Vortigaunt allies manage to find some help from a forgotten hero.

Similarity 55%
Price 4.99€
Rating 6.1
Release 18 Feb 2016