Games like Halo: Spartan Assault

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*

It came from space and ate our brains is a unique Arcade top-down shooter. Looking for addicting gameplay, four-player co-op mode, and tons of aliens to send into oblivion? You’ve come to the right place!

From one of gaming's most iconic sagas, Halo is bigger than ever. Featuring an expansive open-world campaign and a dynamic free to play multiplayer experience. 

Halo Wars: Definitive Edition is an enhanced version of the real-time strategy classic, Halo Wars, updated to run natively on PC. Halo Wars: Definitive Edition includes improved graphics, new achievements and all of the DLC created for the landmark real-time strategy game.

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.

The Master Chief’s iconic journey includes six games, built for PC and collected in a single integrated experience. Whether you’re a long-time fan or meeting Spartan 117 for the first time, The Master Chief Collection is the definitive Halo gaming experience.

From Space is a solo and co-op action-shooter for squads up to four players. Take on the challenge of liberating the earth from an alien infestation with your friends, using over-the-top weaponry in a post-apocalyptic world with awesomely stylized graphics. The apocalypse has never been so much fun!

Take command of your ship, step into the arena, dominate your opponents, and put your reflexes and skills to the test!

Play Droid Assault and experience running blaster battles with hordes of rampaging killer robots! Discover a unique tactical arcade shooter, with the fun addictive gameplay of 8-bit classics. You'll need your wits and the help of your acquired droid squad to stay alive in this fast-paced retro actionfest.

As the last surviving tank commander on Earth, single-handedly turn back the evil invading alien army, drive back the Titans across the Solar System, and defeat them on their homeworld... Titan Attacks has the same easy-to-learn and addictive gameplay of the classic arcade shoot 'em up, but is packed full of extras - new features, new...

As a time travelling Spartan Soldier, you must stop the Cult of the Fallen Gods that are turning people into burger meat. Grab your sword and assault cannon and deal death to these disfigured freaks in the name of humanity.

Trident's Wake is an intense co-operative twin-stick shooter in an unforgiving sci-fi setting. Join up to three other players to take back humanity's last hope - the colony ship code-named Trident – from an unknown race of alien invaders!

Paint the ground! Paint your enemies! Paint your enemies ground! The ground is your enemy! Paint it!

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!

Pilot your helicopter to victory as your complete objectives, dodge missiles, and destroy your enemies. But don't forget to keep an eye on your fuel, ammunition, and health or you might not survive.

Blast your way through enemy lines to defeat Inferno, a madman intent on global domination. Destruction just got awesome.

The Action Commando Saga continues as the evil Cultists have taken over Saturn and are controlling people's minds on earth with their eldritch technology. The only person who can stop them is Chronos, the Time Travelling Spartan Soldier.

Massive battles rage in the stars! As a new pilot in the Allied Starfighter Corps, help turn the tide against a ruthless enemy. Hundreds of ships struggle to achieve victory in huge, team-based missions. Shoot down fighters, torpedo star cruisers, and duel famed enemy aces!

Take control of a virtual organism in this unique indie arcade title, while unlocking Steam Achievements and climbing the leaderboards!

Your job is to destroy as many enemy ships as possible with your giant laser, but it only fires once per day! Travel through the galaxy destroying the rebel army one shot at a time in wonShot!

Can you survive the alien onslaught? Gamers across the world will now have a chance to play the next chapter in this high-budget, high-quality series.

Breakpoint is a twin-stick slasher where your weapons explode. Break through the swarm to claim your spot on the online leaderboard.

Command a team of 5 elite soldiers against an alien horde of 100,000. Surrounded on all sides, you must outmaneuver and outsmart the enemy.

Co-operative multiplayer game and complete code base available for free.

In ION ASSAULT players wield thousands of Ion Particles to blast, fry and disrupt anything on screen as you see fit! GAMEPLAY WITH A TWIST: By centering its gameplay around its unique fluid and particle physics system, ION ASSAULT adds a twist to arcade style space shooters!

Lead an armored squad through the perils of this reversed tower defense action-strategy game!

Mech Arena is an arcade shooter game taking place in an arena and dispatched on several rounds. Kill waves of enemies, upgrade your mech and exploit the ever changing ground of the arena to try to become one of its champions.

If Quake 3 Arena and Alien Breed had a baby ... it would be named Daedalus - No Escape.

Captain a starship in a thrilling 2D shooter, dodging asteroids across galaxies. As you journey to Horizon Station, each galaxy's challenge intensifies. Can you navigate the cosmic gauntlet?

Cyberhunt is a retro procedurally generated twin stick shooter, that takes you back to the sweet to the sweet arcade machines era!

Deadlokk is a 1-3 player co-op roguelike. Explore sectors while fighting against other factions to upgrade your ships and carrier. Find rare weapons and upgrades to make the perfect build. Research your items to make blueprints and take them on your future Expeditions!

Sun Blast is the best 3d space shooter on Steam. Earn upgrades as you fight your way through a huge seleciton of levels. Full gamepad support!

A 2D tank battle from a top corner, you can choose different combinations of module parts to complete the game, some levels have some weird and strange design, there are boss battles, there is a certain story line.

Furious Angels is a brutal score attack shooter with different waves each day. Compete on the leaderboards, transform into a flying tank and shred the skies to pieces!

Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.

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.