Games like Halo: Spartan Assault

The insect swarm is a swarm consists of millions of alien insects, and you, as the only survival on this barren planet, will have to fight against them dauntlessly. Good luck!

Brutal fast-paced isometric Co-op Loot Shooter in Cyberpunk world. Equipment-based combos. Exotic Weapons and Armor. Easy to start, hard to master. Play solo or with friends.

X Invader is an action roguelite where you hack into big corporations' servers. Use add-ons from fellow hackers to defeat monsters. Powerful, cute bosses guard these servers!

A roguelite horde-survival bullet heaven with QUINTILLIONS of bullets over QUINTILLIONS of hordes. Mix weapons with items, modify, control chaos at terminals and break through tightening waves.

Lead a squadron against the Drone invasion in a top-down space shooter with RPG depth. Take contracts across three galaxies, outfit and upgrade your ship, recruit wingmen, and push the story through to the Nexus.

This is a very fast God's perspective roguelike shooter, the player will pilot the mech, explore the alien frontier, enjoy the "Crimsonland + Vampire Survivors (Vampire Survivors)" endless killing!

Launch into a fierce roguelite action in this top-down twin-stick shooter with bombs! In a robotic world, control Lizzy and their team of unlockable beasty bots in a quest for upgrades. But beware, needed resources are guarded by swarms of Steel Sentinels. Survive them to craft synergistic builds.

Defend humanity's last hope, pilot a powerful mech, in Frontlines Crisis! A battlefield swarming with insects makes strategic and combat decisions crucial. Each decision will determine your fate. Defend humanity's last sanctuary, fight fiercely, and uphold human honor with wits and courage!

Gunstorm is a space shooter loaded with playability. Wave after wave of alien craft attack your agile ship. Use the mouse to control your ship at the speed of thought in a perfectly balanced game that starts easy and gradually gets more difficult.

A physics based twin-stick shooter. Survive as long as possible and get a high score. Use your gravity beam or your gravity mine to destroy endless waves of enemies.

Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.

A bullet heaven roguelite set in a procedurally generated universe. Land on planets to harvest resources, craft hundreds of game-breaking builds, and unleash them on relentless waves of aliens. Every run unveils a new universe: endless challenges, endless discoveries.

Fly into a charming handcrafted world and go on an adventure that mixes up open exploration with crispy twin-stick shooter action. Fight your way from the shiny overworld to the deepest caves, improve your ship and overcome the dungeons' bosses to rescue your friends!

Load up and roll out, in this twin stick shooter with roguelike progression! Blast your way through arcade-style levels, using pinball-style physics mixed with an arsenal of devastating weapons. Defeat waves of enemy bots, battle big bosses, and upgrade your mech between runs.

Pick a class and blast your way through rooms of cyber enemies in this roguelite action shooter! Choose your abilities and your path wisely, because you've only got one life to make it through the gauntlet. Rack up those points and spend them on even more ways to RIOT!

Battle for survival against endless alien hordes with your friends! The Anacrusis is a first-person shooter that dynamically adjusts difficulty to you. Experience intense 1-4 player co-op action or play as the aliens and stop your friends in 1-8 player Versus mode. Full Steam Workshop support!

Command military Special Ops Teams in gripping tactical combat against a Middle East-based terrorist network. Sequel to RockPaperShotgun's "Best Tactics Game of 2014".

Slime Wars is a cooperative multiplayer game that combines elements of the Top Down Shooter and Party-Games genre. The game recreates an arena capable of supporting up to 4 players simultaneously, in which players must face enemies in frenetic combat.

Starship Troopers: Extermination is an up to 16-player co-op FPS that puts you on the far-off frontlines of an all-out battle against the Bugs! Squad up, grab your rifle, and do your part as an elite Deep Space Vanguard Trooper to take back planets from the Arachnid threat!

Command massive armies in this epic mech auto-battler. Draft your troops, customize your units, master your formations, and crush enemies in spectacular 3D battles. All strategy, no clickfest. Outsmart opponents in 1v1, 2v2, free-for-all, or Survival Mode.

Fight giant War of the Worlds -style aliens invading Finland during a Winter in the 90's. Build an army of local townspeople in this chaotic semi-autobattler roguelike. Navigate through different biomes to obliterate the aliens from cosmic dimensions.

"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!

Contractors Showdown delivers intense VR extraction combat in ExfilZone, now featuring PvE Mode alongside high-stakes PvPvE action. Customize your loadout, complete missions, loot, survive, and fight your way through immersive tactical battles.

Blast your way through waves of space debris in order to reach what is waiting for you on the other side. Find your fighting style with multiple unlockable ships in this fast paced space adventure!

Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.

Deadzone: Rogue is a roguelite FPS set in space. Blast through swarms of hostile machines, combine powerful augments and elements to forge your build, and grow stronger with each run — solo or in co-op.

Monsters come from missed shots! Learn the monster's behaviours, shoot wisely and balance the difficulty to maximize scoring!

Collect resources and establish a defense line before dark And then Facing countless enemies

Echo Point Nova is an open-world FPS that offers unparalleled freedom and thrilling speed. Designed for both singleplayer and coop. From the creators of Severed Steel.

Dive into a sandbox full of action and customization! Choose from different game modes like deathmatch, conquest, king of the hill, zombie survival and many more. Create your own scenarios and content in the easy to use in-game editors or use one of the 50k+ workshop items from other players...

This is a fight for survival. Xenomorphs swarm in overwhelming numbers. Every room could be your last.

A FPS WW1 & Revolutionary War battle simulator with a focus on Workshop Content, rag-doll physics, intelligent AI, massive battles, procedural AI cover system, real-time building system and FPS combat!

Enter the Necromancers' Arena with up to three other players in this cute, dystopian, twin-stick shooter!

Experience warfare like never before! Men of War II, the anticipated sequel to the highly acclaimed RTS franchise is here with all-new units, locations, campaigns, game modes and true trademarks of the series: historical fidelity and action-filled gameplay on the Eastern and Western Fronts of WWII.

Take control of a powerful drone and prepare to face off against hordes of enemies standing in your way. Collect currency and upgrade your drone with new weapons and skills. Are you ready for the ultimate challenge?

Jump Space (formerly Jump Ship) is a mission based co-op PvE for 1-4 players, where you are the crew of a spaceship. Transition seamlessly from crewing the ship to on-foot exploration and space walks. Explore, upgrade, and survive intense encounters in deep space together.