Top similar games like Halo: Spartan Strike:

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. *

Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.

Unique fusion of a top-down shooter and tower defense strategy. You are the invader! Use destructive weapons or lead your enemies into a maze of towers. Strategize in the build mode by carefully selecting various types of alien towers or throw yourself right into the heat of the battle.

ROGUE SHIFT is a high-intensity top-down shooter, set on a harsh planet that will test your will to survive. To stay alive, you will pit yourself against hordes of relentless enemies in an unforgiving, hostile environment.

"Greedland” is a roguelike game mixed with survivor-like elements. It's reminiscent of Crimsonland and Vampire Survivors, and as the battle progresses your character will become a mobile arsenal of destruction!

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

HELLFRONT is an intense top-down shooter. Conquer ground, build a base, and command your troops in battle! Play PvP or beat the campaign co-op or solo.

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.

Surviving is only half the game. The award-winning atmosphere and gameplay mechanics of the original Shadowgrounds make a triumphant return in this spin off/sequel armed with a slick new feature set! Shadowgrounds Survivor tells the story of the last remaining humans on Jupiter's moon Ganymede, where the alien onslaught is in full force.

Evolva combines the excitement of a fast paced shoot-em-up with the tactical challenge of commanding a squad. Fight against the alien parasites and save the planet. This is survival of the fittest!Appealing scenery with an other-worldly feelingAn unusual character development system based on mutationsUse your GenoHunters' unique...

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 STAR WARS™ Battlefront™ Ultimate Edition includes the STAR WARS™ Battlefront™ Deluxe Edition as well as the STAR WARS™ Battlefront™ Season Pass.

Red Faction: Armageddon Path to War includes 4 new missions, 2 unlockable items and 10 new achievements!

DARKSIDERS: GENESIS gives players their first look at the world of DARKSIDERS before the events of the original game. Furthermore, it introduces the fourth and last horseman STRIFE, as well as Co-op gameplay for the first time in the history of the franchise.

Xeno Crisis is an arena shooter in which up to two players take control of battle-hardened marines embarking on a deadly mission to confront an alien menace! Run and gun your way through thousands of adversaries, searching for survivors, and ultimately facing the origin of the outpost's demise.

HELLDIVERS™ is a hardcore, cooperative, twin stick shooter. As part of the elite unit called the HELLDIVERS, players must work together to protect SUPER EARTH and defeat the enemies of mankind in an intense intergalactic war.

Zap, blast, loot, repeat in this procedurally generated twin-stick arcade-shooter. Fight aliens, fight robots, fight anything that moves and a few that don't. Then loot them all.

Lost Planet 2, the sequel to Lost Planet™: Extreme Condition, the landmark third-person shooter that sold over 2.3 million units worldwide, is now available on Steam!

Twin Stick Shooter Multiplayer Action Game set in small planets that can be terraformed as you play! in which not only your shoots, but also the enemies and planet environment are your weapon!

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!

TOP-DOWN SHOOTER x HERO SHOOTER. Mixing the traditional elements of a team-based game with the arcade thrill of a twin-stick shooter. A super fast-paced game, where both your reflexes and your team’s positioning play a crucial role. Play the Singleplayer Story or join the 5v5 Online Multiplayer.

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.

Max Raider is a top-down 3D action shooter where you fight waves of enemies on procedurally generated arenas. Rest and prepare for the next series of waves by buying a variety of weapons and items from your allies. Protect the Bunker, your only hope for a home.

Team up and shoot down waves of invading aliens. Single player or multiplayer top-down shooting action

A top down, twin stick shooter inspired by classic retro arcade games with loads of enemies, fast paced bullet hell combat, big boss battles and tons of bullets.

A high-octane twin stick top-down roguelite shooter set in a world where the Soviets won the Cold War. Awaken as an experimental weapon of mass destruction and tear through armies of Soviet war machines. Fight, adapt, and carve a path through the ruins of freedom…. If any of it remains.

Nex Machina is an intense arcade style twin-stick shooter from Housemarque. Taking hints from both Robotron and Smash TV, Nex Machina focuses on pure action, voxel destruction and competition in the distant, cablepunk themed future.