Top similar games like When They Arrived:
When They Arrived $3.99
Alan went hunting in his grandfather's country house. There was an invasion of the aliens. Cities are destroyed. You need to use survival skills and ingenuity to survive and save the planet. Build, explode, explore the world, develop your skills, try all ways to stop the aliens invasion."What would I do after the alien invasion?
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vridniX$9.99
vridniX is a story-driven platformer. Control a small creature who wants to save the world but will destroy it!
Christmas Mutilator$5.99
Inspired by 80s slasher films, Christmas Mutilator™ is an immersive horror and home invasion game. Your husband and children are trapped in the storm, you are stuck in a cabin for the holidays. Use every tactic you can to stay alive and get out of your house as a vicious psychopath breaks in.
Airship Dragoon$19.99
Uber-Hardcore, Turn-Based, Steampunk, Squad Tactics. Battle 6 other factions for control of Pangea in emergent, tactical gameplay.
Raining Blood: Hellfire$5.99
Annihilate countless hordes of enemies while unraveling the mysteries of the demonic invasion in this COD Zombies inspired bullet Hell. Kill, upgrade, explore, die, repeat.
Arcade Mayhem Juanito$9.99
Arcade Mayhem Juanito is a retro experience about arcade-hopping. Teleport into different video games, play with unique mechanics inspired by well-known arcade games, face stunningly animated bosses and join the fight against the clonocell invasion.
The Copper Canyon Shoot Out$9.99
The Copper Canyon Shoot-Out is a fast paced VR shooter set in a Wild West themed world overrun by robots. You find yourself outnumbered and outgunned against an invasion of corrupted enforcement machines.
Adventure of Emberclaw$3.99
Adventure of Emberclaw is an exhilarating action-adventure 3D platformer that promises both challenge and fun.
Lands of Avaronia$0.99
Lands of Avaronia is an oldschool fantasy RPG in which you take a role as one of the Mercenaries. Help the Kingdom to push back the Orcish Invasion which is threatening to the Human nation. Discover the mysteries of Avaronia, a classic fantasy adventure awaits you.
Hellfire Rampage VR$9.99
HELLFIRE RAMPAGE is a thrilling VR combat game. You as the inventor of teleportation, hunt for crystal essences to unlock a portal to dangerous dungeons. Battle hellish creatures using a wide arsenal of interdimensional weapons. Unique combat mechanics and challenges are awaiting!
Ghostly HorizonFREE
Ghostly Horizon is an intense 3rd-person spell-caster on round planets. You enjoy crazy battles with over 30 different spells, preferably together with your friends. Focus is placed on both player-skill and teamwork in this matchbased game with quick rounds. Can you top the Leaderboards?
Party Hard 2$19.99
It's 3am and you just want to get some sleep. Welcome back to Party Hard! Stop parties using hundreds of new ways, incidentally destroy a drug syndicate, and save the Earth from an alien invasion. May the chickens be with you!
Assault On Metaltron$6.99
Get ready to defend your metallic planet from human and orc invaders in this intense, challenging and addictive action tower defense game! Play solo or in cooperation on one pc!
Galaxy in TurmoilFREE
Galaxy in Turmoil's conceptual Early Access game is a FREE multiplayer combined-arms game set in a brand-new universe, created by a team of volunteers. It’s all about endless arms races, corporate espionage, and, most of all, blasting up on the enemy faction and taking their stuff.
Operation: Harsh DoorstopFREE
Operation: Harsh Doorstop is the ultimate, free to play, tactical shooter sandbox. Play singleplayer, multiplayer, or co-op modes and explore thousands of community-created maps, weapons, and vehicles via the Steam Workshop. Created by ex-developers of Squad, Red Orchestra, and Insurgency.
Cod Quest!$6.99
Run, grow and defend the UK's last Fish and Chip Shop. Your chippy is under threat from an impending invasion; you have 30 days to prepare. Upgrade your shop, unlock better recipes, purchase new equipment and more!
Ayako's Mission$0.99
Ayako's Mission is a 2D Top-Down Shoot'em Up game based on the story of the war breaking out between the two territories called, AY Corp and ATO Corp. where you must defend your territory against the invaders.
D3D INSIDE 2: HELL$4.99
D3D INSIDE 2: HELL is a first-person shooter in the style of low poly. The famous Ded, the storm of all demons, is back to send the demons back to hell!
SOL CRESTA$17.99
SOL CRESTA, rise like the phoenix and take back the sun! Neo-Classic shooting strikes back! Dock, split, and form up! Pilot 3 fighters and take back the sun from the clutches of evil in this free-form shooting game with the spirit of 80s shooting classics Moon Cresta and Terra Cresta.
Weaves of Fate$6.99
Weaves of Fate is a unique and epic blend of isometric role playing and tactical strategy. In the far future, a demonic invasion throughout all of time has been triggered as a result of humanity’s actions.
Captain Lycop : Invasion of the HetersFREE
A space shooter mixing adventure, action and tactics. Face off against pen-pushing insects, merciless enemies and epic bosses. Your only hope is to banish all cowardice and follow a virtuous path.
Reynard$8.99
Reynard is a mixture of procedurally generated action RPG and a Tower Defense genre with roguelike elements. It has been influenced by classics such as The Legend of Zelda and an indie classic - The Binding of Isaac.
Corpse disaster-survivorsFREE
In another failed invasion plan you were caught in a storm Cut off contact with friends who have worked together for many years The city was thrown into a mess by the explosion of the laboratory and the spread of the virus You are blocked by many virus-infected creatures and enemies
Sheriff Rage$4.99
Sheriff on guard for the defense of Oldstone city against extraterrestrial forces
Witch Sacrifice$2.99
Witch Sacrifice - you have to defend your lands from three cruel kings. A huge army is advancing on your swamps, which you have to stop.
Gape Kape Escape$3.99
We knew they would come to us one day. We had been observing the development of human technology for a long time. We feared this wild civilization. Now, You must reclaim the artifact they stole from us.
Kitt's Quest$4.99
A puzzle/adventure platformer with thrilling boss fights. Find hidden items to increase your power, unlock new costumes and more!
Emberdoom VR$9.99
Fight off the Ember invasion in VR as they arrive in action packed waves while you try to defend your world from impending doom. Now you can battle the Ember in Virtual Reality like never before! Strap on your headset and join the fight.
Squadron: Sky Guardians$5.99
The game is the story of three Iranian Air Force pilots combatting the enemy as part of simulated operations at three different time periods. The exact coordinates of all simulated settings and combats are accessible through aerial maps. In addition, the entire game setting has been designed using satellite maps.
bit Dungeon III$9.99
bitDungeonIII is a 2d action adventure game with rogue-lite elements. Randomly generated overworld and dungeons. Make allies with other players or kill them for their precious inventory items. Discover random items that greatly enhance and affect your character.
Bizango Blast$1.99
You've played and love those other physics games and now you're over those darn birds and want something with a new perspective?
Planet Nine$4.99
Control a customizable mech while exploring an alien world in a top down view. Your mission, set by an A.I. is to save the Ninth planet from an alien invasion. Gain levels, find loot and discover the history behind the Ninth Planet.
Galaxy in Peril$0.99
The galaxy is in peril. The aliens have teamed up with the smartest robots in the universe in order to take the galaxy for their own trade. You play as a bounty hunter who is looking for the money, and trying to save his own galaxy where he was born and raised.
Skeleton vs zombies$4.99
Your a skeleton and you shoot zombies
Johann Weiss$5.99
Caught off guard, Johann Weiss had his sister kidnapped by the LaVey Order, a satanic cult led by Behemoth LaVey who's going to sacrifice her to Satan to summon Hell on Earth. In this take on Metroidvania and early Duke Nukem games, you must help Johann save his sister Joanna from LaVey.
Operation: Pinkeye$9.99
Experience the thrilling action of an arcade shooter with the freedom and exploration of a console shooter in Operation: Pinkeye, an intense new adventure from Scotland!
Masquerade: The Baubles of Doom$14.99
Masquerade is an action-adventure set in the fantasy world of The Realm, centered around a battle for the mythical Druid Orbs, the most powerful pair of balls in all the land. For it was said that whomever possessed the Orbs, possessed the power to rule all.
IS Defense$5.99
„IS Defense” is a game set in politically-fictional 2020 – where the expansion of ISIS went out of hand. The player takes the role of NATO’s stationary machine-gun operator, deployed to defend the shores of Europe.
Lil Big Invasion$0.99
Solve tricky dungeons and rescue helpless little fireflies in this giant 2D action-adventure! Find those little brats, keep them together and lure them with your light to the exit in order to bring them back home! Win epic boss fights and challenge the clock for a high score.
THOSE DAMN ALIENS! VR$7.99
Aliens have boarded your ship; It's time to take arms and defend yourself from the incoming hive. 'Those Damn Aliens' is a VR wave based first person shooter with campaign and survival modes.
Door Kickers: Action Squad$13.99
Rescue hostages, disarm bombs and save the day in this old school, side-scroller action game with retro graphics and retro sensibilities. Online and Couch Coop Included.
Next Stop: Zombie$2.99
People have become zombies after an alien-induced epidemic. Hiding in tunnels, they have completed an intergalactic portal of X-Points. Your mission is to collect the red x-gems in, stop the invasion and save humanity!
Putrefaction 2: Rumble in the hometown$0.99
Putrefaction 2: Rumble in the hometown is a stand-alone campaign for Putrefaction 2: Void Walker, with new levels and enemies to fight. You can play this game without purchasing original Putrefaction 2.
Next Hero$9.99
'Next Hero' is a Roguelike-shooting action RPG that explores dungeons, acquires weapons and equipment, and kills monsters. Find a girlfriend kidnapped by the dragon and rebuild the destroyed village to become a hero in the village!
Timothy vs the Aliens$16.99
An open-world game that combines platforms, puzzles and a lot of action in a large city that can be freely explored and is full of characters, stories and adventures.
King of my Castle VR$0.99
King of My Castle Vr is a Medieval Cartoonesque Tower Defense in which you will play an archer who must defend the King's Tower. You can teleport to 5 different locations to defend the city. A game for the whole family and guaranteed archery sensations!
Battle of the Boros$9.99
Battle of the Boros is an action adventure RPG set during a mysterious invasion and occupation of New York City.
FILFREE
Gallivant through the Solar System in a journey of stellar proportions in FIL to save the planets from destruction!
The Artefacts lost in the Galaxy$0.99
You must find information about the stations infected by the extraterrestrials. You can kill the enemy, but also destroy annoying objects, push them, or use them to pass an obstacle. To succeed in your mission, you own a percussion gun and a fusion rifle.
Metal Country$1.99
Not even alien invasion can stop this guitarist from playing on his concert. Play as Amadoni, a guitarist on a hover board fighting alien invasion with using his musics.
Earthlings Must Die$3.99
Commander, it is time to save Planet Earth and bring humanity to an end! Take control of our greatest weapons and unleash destruction onto the human cities. Have fun blasting the human ragdolls up into the air before they turn into bone and ahs.
Trump and Virus$1.99
At the beginning of a disaster, those seemingly unimportant warnings will always be felt that this is not serious, such as the invasion of viruses.