Games like portal invasion

81%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:replayability, story

81% User Score Based on 137 reviews

Critic Score 80%Based on 1 reviews

Xeno Crisis is an arena shooter in which up to two players enter a ravaged research outpost to confront an alien menace and get out alive! Run and gun your way through thousands of adversaries as you search for the source of the deadly alien outbreak. If you enjoyed this game, see our list of games similar to Xeno Crisis.

72%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:optimization, stability

72% User Score Based on 1,129 reviews

Can you survive the horror? … a retro-style survival horror game developed by the two-man indie team of Gonzossm and Iggy Zuk. Survive 30 days and nights in a zombie-infested world by recruiting companions, upgrading weaponry and fortifying your position. Deadly 30 is a retro-style survival horror game developed by the two-man indie team of Gonzossm and Iggy Zuk. Survive 30 days and nights in a… If you enjoyed this game, see our list of games similar to Deadly 30.

96%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:gameplay, story

96% User Score Based on 53 reviews

Defend a dying civilization from the Krin relentless invaders. Become the Devader. 90s style shoot'em up with awesome bosses and multiple endings. Devader has 42 waves. Every 6 waves you must fight a large boss, after which you get to upgrade your robot and a new game mechanic is added (nukes, turrets,...). There are 12 different upgrade paths that influence your robot, play style and the outcome. If you enjoyed this game, see our list of games similar to Devader.

78%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, story

78% User Score Based on 590 reviews

How long would you survive in this unrealistic representation of the zombie apocalypse? Scavenge for supplies, find a base, and construct your defenses. Break down furniture and board up your home. Set bear traps, nail your axe to a gun, or find your own ways to fight off the undead. If you enjoyed this game, see our list of games similar to Undead Development.

59%Game Brain Score

Most mentioned negative aspects:gameplay, graphics

93% User Score Based on 14 reviews

Note: The game currently does not support controller operation.Swarm Sweeper is a rogue-like game where players take on the role of a trooper tasked with defending a base from relentless waves of strange creatures. Players must rely on skill, speed, and smart strategy to survive and eliminate every threat. Fight the swarm, upgrade your weapons and abilities to become even deadlier. Unlock speci… If you enjoyed this game, see our list of games similar to Swarm Sweeper.

73%Game Brain Score

Most mentioned positive aspects:graphics, story

Most mentioned negative aspects:stability, grinding

73% User Score Based on 128 reviews

ZR is an action packed horror survival game where you must use your wits and surroundings to survive the apocalypse! Purchase a huge array of weapons, from Dual Pistols to a Tesla Assault Rifle! All in your own home, survive the end of the world in this visually stunning VR experience! If you enjoyed this game, see our list of games similar to Zombie Riot.

The space station suffered an unknown infection from space, the previously unknown X virus mutates, almost the entire crew of the station is infected, you need to stop the army of mutants until they break through to Earth and the judgment day begins! If you enjoyed this game, see our list of games similar to DooM in the Dark 2.

30%Game Brain Score

Most mentioned positive aspects:emotional

Most mentioned negative aspects:gameplay, story

30% User Score Based on 100 reviews

A first-person shooter where players must rid several space bases of aliens. If you enjoyed this game, see our list of games similar to Galactic Hitman.

72%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:stability, optimization

72% User Score Based on 178 reviews

Be immersed into Purgatory Island of undead and dying. Solve mysteries to escape while trying to survive. The undead are rising, zombie skags are swarming the land, and your end is fast approaching! Arm yourself, uncover what you need to survive, and escape the inescapable. If you enjoyed this game, see our list of games similar to VRZ Torment.

Jump into endless fights in this arcade game. You have just one job: Survive as long as you can and beat your score over and over. The enemies are stronger with each wave so your journey to great score would not be easy. If you enjoyed this game, see our list of games similar to Vectro Blast.

Welcome to Mechanical Duo - the asymmetric two-player couch co-op game of coordination and trust. Play as either an invincible bomber plane with limited vision that must rely on cues and signals from the field to deliver precise firepower and aid, or a tank on the ground that must work with the aircraft to endure waves of enemies. Together, you will both need to push your teamwork to the limit to … If you enjoyed this game, see our list of games similar to Mechanical Duo.

73%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:optimization, monetization

73% User Score Based on 580 reviews

PvE Co-op Tactical Shooter If you enjoyed this game, see our list of games similar to Recurrence Co-op.

64%Game Brain Score

Most mentioned positive aspects:humor

Most mentioned negative aspects:gameplay, graphics

75% User Score Based on 36 reviews

A certain zombie virus arrived on BOXHEAD World with a meteorite that fell by chance, causing the cells of many people with Type B blood to merge with the virus, quickly turning them into zombies. To survive in this purgatorial world, you must unleash every bullet into the hordes of the zombies and use any explosive objects at your disposal to drench every inch of the land in blood. Boxhead: Immo… If you enjoyed this game, see our list of games similar to BOXHEAD:Immortal.

78%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, story

78% User Score Based on 670 reviews

Demons are searching for a new home—what better place than Sin City? Play solo or in a team of up to four in this wave-based first-person shooter survival game. Fight to escape the hellbreach as the demon army invades Las Vegas. How long can you survive? If you enjoyed this game, see our list of games similar to Hellbreach: Vegas.

93%Game Brain Score

Most mentioned positive aspects:humor, graphics

Most mentioned negative aspects:gameplay, story

96% User Score Based on 48 reviews

A party game for 2-4 players! Ninjas- the more there are, they easier they are to kill. One hundred ninjas? No problem at all for your average protagonist. But when the one ninja shows up, you better watch your backside! The Gyaku Ninja clan has finally taken notice and are using this Law of Fiction to their advantage, increasing their power to take over the planet! And now the Gods of Fiction are… If you enjoyed this game, see our list of games similar to Inverse Ninjas VS. The Public Domain.

62%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, optimization

62% User Score Based on 370 reviews

Cannibal Crossing is an action-survival game for 1-4 players, where you explore the randomly generated town of Earlsboro while scavenging, fighting hordes of enemies, building a base, and searching for a way to escape! Meet survivors with new abilities, interesting people, and lots of cannibals. If you enjoyed this game, see our list of games similar to Cannibal Crossing.

92%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, replayability

92% User Score Based on 131 reviews

Perdition is a single player, first-person shooter with visceral, fast-paced combat and environmental storytelling. A story of vengeance, vindication, and survival. A story of closure. If you enjoyed this game, see our list of games similar to Perdition.

44%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:gameplay, optimization

49% User Score Based on 375 reviews

Critic Score 36%Based on 5 reviews

Everreach: Project Eden is a fast-paced, story-driven action-RPG set on the visually stunning Planet Eden. In Everreach, you play as Nora Harwood, member of Everreach’s Security Division, on a mission to secure the colonization process of Eden and investigate mysterious incidents. If you enjoyed this game, see our list of games similar to Everreach: Project Eden.

73%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:replayability

71% User Score Based on 104 reviews

Critic Score 78%Based on 3 reviews

Donuts 'N' Justice is a fast-paced 2d horizontal shoot-'em-up wherein you take the role of one of two Super Cops in the 1980s to defend their city against gangs, violence and corruption. If you enjoyed this game, see our list of games similar to Donuts'n'Justice.

85%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:replayability, stability

85% User Score Based on 66 reviews

The year 2476, Earth's space-federation has been building moon-bases across the galaxy. One of those moon-bases has been sending a distress signal. Space Grunts are a group of intergalactic "problem" solvers, sent to investigate.. If you enjoyed this game, see our list of games similar to Space Grunts.

73%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

73% User Score Based on 129 reviews

Immersed in a vivid Cyberpunk-styled world, where the thrill of arcade action combines with immersive room scale VR. Enemy bullets scream by you from all directions, dodging bullets and wipe out your enemies. From taking cover behind debris while surrounded to gunning and driving at the same time. If you enjoyed this game, see our list of games similar to Silicon Rising.

27%Game Brain Score

Most mentioned positive aspects:humor

Most mentioned negative aspects:graphics, story

45% User Score Based on 11 reviews

You play as a French soldier on the front line. The Germans really want to throw your battalion back and brutally attack your positions every day. One quiet night, the protagonist sensed something amiss... If you enjoyed this game, see our list of games similar to The Great War: 1914.

59%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, music

59% User Score Based on 208 reviews

Crowds of blood-thirsty monsters, crawling from every corner of the secret research base. Gloomy basements and modern labs, darkness changing into blazing bulbs. The only usual thing is: you're in a bad place alone, and there's no one to help you! An improved version of a cult 2003 game which won hearts of the huge army of players worldwide. Complete game missions, earning more and more cash for w… If you enjoyed this game, see our list of games similar to Alien Shooter: Revisited.

70%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

74% User Score Based on 129 reviews

Critic Score 63%Based on 5 reviews

Hitman is searching for an answer in France's 70s. If you enjoyed this game, see our list of games similar to Arrest of a stone Buddha.

87%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, stability

87% User Score Based on 2,140 reviews

A toxic waste spill finds its way into the water supply causing the recently deceased rise from their graves. Now you have to shoot your way through the hordes of undead to reach your only hope for survival. On the way to your rescue you will have to search stores and houses for supplies, and trade with other survivors. With three game modes, hundreds of items, weapons and grenades, and a city tha… If you enjoyed this game, see our list of games similar to Dead Pixels.

39%Game Brain Score

Most mentioned positive aspects:graphics

Most mentioned negative aspects:story, music

58% User Score Based on 19 reviews

Marrakech hospital was taken by evil. A doctor who was raised by demons and born to be a problem to the world is hidden inside the hospital invoking evil creatures. Jack was called because he is the only one capable to defeat him. Use a blessed AK and other weapons to defeat these evil creatures who won't stop for nothing until they destroy all the good living things on the planet. Defeat the crea… If you enjoyed this game, see our list of games similar to Marrakech.

86%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:replayability, grinding

86% User Score Based on 139 reviews

Freaking Meatbags throws you into a futuristic world where robots have jobs, cephalopods aren't confined to a single dimension, and humans pretty much just stand around talking to themselves. As a lowly cleaning robot, your task is to gather precious materials from each world before the solar system goes kaboom. As soon as you land, you realize this gig isn't going to be as simple as you had hoped… If you enjoyed this game, see our list of games similar to Freaking Meatbags.

68%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:music, story

68% User Score Based on 1,369 reviews

The Culling Of The Cows is a side-scrolling shooter, tower defense game. You will take the role of Sammy, a soliloquising schizophrenic farmer with a self prophesied mission to lay waste to the disease spreading over his farm. If you enjoyed this game, see our list of games similar to The Culling of the Cows.

32%Game Brain Score

Most mentioned positive aspects:gameplay, humor

Most mentioned negative aspects:story, stability

45% User Score Based on 22 reviews

One Shell Straight to Hell is a top-down roguelite shooter with base defense elements starring the unordinary priest and bad-ass demon hunter Padre Alexander. If you enjoyed this game, see our list of games similar to One Shell Straight to Hell.

44%Game Brain Score

Most mentioned positive aspects:humor, replayability

Most mentioned negative aspects:gameplay, story

40% User Score Based on 40 reviews

Critic Score 63%Based on 1 reviews

Do you miss the times when games were not holding your hand? When they did not forgive mistakes and controls and rules were clear and simple to learn? YES? So you miss the 90s! If you enjoyed this game, see our list of games similar to Too Angry to Space.

Nazizombies Slayer is a hardcore top-down pixel shooter. Complete guild tasks, buy equipment, kill your enemies, solve level challenges, follow the development of the plot and enjoy the gameplay. Stealth. Move slowly behind enemies' backs to avoid making noise and being seen. Use mines and grenades to freeze enemies, poison them, or deal damage. Combine them to get new effects and new abi… If you enjoyed this game, see our list of games similar to Nazizombie's Slayer.

Quantum of Hope is an action-packed Twin-Stick shooter game set on Earth overrun by aliens. Use your Fabricator and different weapons to shoot your way through alien swarms to rescue mysterious Princess in distress. If you enjoyed this game, see our list of games similar to Quantum of Hope.

The land has been overrun by a primal alien force. Equip your astro-suit and liberate your planet from the ancient cybernetic creatures overrunning cities. Charge through shifting levels and exterminate complex waves of drones with a variety of weapons, and demolish the lethal bosses threatening humanity. Mechanics Dynamic Angles:The stage shifts between top-down twin-stick shooting … If you enjoyed this game, see our list of games similar to N.DEKA:X.

READ BEFORE DOWNLOADING AND PLAYING! This game could only be exported for Windows platforms only! About the game: This game is for the BlackThornProd Game Jam! The second one, to be exact! The theme was "Mini Planets," and so, after a surprisingly short period of thinking, I came up with the idea to make a "Conquerer" game where an entire galaxy is entirely randomly generated; creating 50 planets,… If you enjoyed this game, see our list of games similar to Galactic Dream.

46%Game Brain Score

Most mentioned positive aspects:graphics, story

Most mentioned negative aspects:grinding, music

75% User Score Based on 12 reviews

Try to survive the increasing waves of alien thingies! Unlock and upgrade guns, pickup power-ups, get Steam achievements. Got tired of learning difficult strategy games? Have fun with this brainless shooter! If you enjoyed this game, see our list of games similar to Attack of the alien thingies from lava!.

54%Game Brain Score

Most mentioned positive aspects:gameplay, humor

Most mentioned negative aspects:graphics, stability

82% User Score Based on 17 reviews

In a near future, Bioszard Dev grew powerful and wealthy. The once small game development studio turned into a global scale corporation seeking to dominate, buying corrupted politicians and crazy scientists to transform humans into beasts, zombies and other unspeakable things. If you enjoyed this game, see our list of games similar to BIOSZARD Corporation.

THIS GAME IS NOW TOO BIG FOR ITCH.IO'S LIMIT, YOU CAN FIND IT NOW ON STEAM. Caverns of Evil is an action roguelike that plays like a '90s first-person shooter, basically a dungeon crawler with guns.  Fight through ever-increasing hordes of monsters while the gathering ever more powerful weapons you'll need to survive.  Explore entirely new procedural levels every time, adapting to ever changing l… If you enjoyed this game, see our list of games similar to Caverns of Evil.

84%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

84% User Score Based on 166 reviews

For the past months, strange disappearances have been reported in Ashtown and its surroundings. After her own sister vanished, a county policewoman decides to conduct a personal investigation without the approval of the Sheriff's office. She is led to an eerie house in the woods and, intrigued, decides to enter... Discover a mysterious isolated mansion, explore intriguing places, and perhap… If you enjoyed this game, see our list of games similar to THE MUTE HOUSE.

81%Game Brain Score

Most mentioned positive aspects:graphics, story

Most mentioned negative aspects:monetization, music

81% User Score Based on 700 reviews

Grab Gun Shooting walking zombies, they run like tsunami wave, catch, take shot! If you enjoyed this game, see our list of games similar to Zombie Defense Shooting:hunt.

47%Game Brain Score

Most mentioned positive aspects:replayability, optimization

Most mentioned negative aspects:gameplay, grinding

71% User Score Based on 17 reviews

Compadrone: Land wars is a family friendly top down roguelite arena shooter with elements of tower defense game play set in the year 2352. In this game you play as a drone sent to fight off aliens on an exoplanet. The objective of the game is to survive against hordes of invading aliens. Use a controller or mouse to maneuver your drone across an alien landscape while shooting alien warbots, gaini… If you enjoyed this game, see our list of games similar to Compadrone: Land Wars.

48%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:graphics, story

72% User Score Based on 18 reviews

Brutal. Fast. Free. Alien Grounds is a score-driven arcade FPS where pressure escalates quickly and mastery is the only thing that carries you forward. This is not a campaign shooter. There’s no safety net to lean on. You spawn. You fight. You adapt. Then you try to do it better. Arcade FPS at Its Core Alien Grounds is designed around repeatable runs, not progression trees. Sessio… If you enjoyed this game, see our list of games similar to Alien Grounds.

64%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

64% User Score Based on 418 reviews

The Moon. Our closest celestial neighbor. A place full of mystery and strange things. That's right, there's more than just rocks and impossible challenges out there. A lone astronaut is about to learn that first hand, when he loses contact with Earth and begins an interstellar odyssey across the universe Moon Mystery is a first-person shooter adventure full of puzzles, action, set on strange new … If you enjoyed this game, see our list of games similar to Moon Mystery.

Introduction In the distant future, humanity took to the stars. It is at this time they faced a crisis of their own making. A supercomputer AI named Nadine went rogue after going online, taking control over much of our space forces. War had broken out, pitting human against controlled machines for Nadine's calculated plans against us. We require a solution to deal with Nadine, quickly, before it … If you enjoyed this game, see our list of games similar to Nadine's Fleet: Updated.

75%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

75% User Score Based on 644 reviews

Lumencraft is a top-down view action shooter with tower defence elements. Emerge into the fully destructible environment where light and shadow play key roles. Build your base, dig some tunnels... If you enjoyed this game, see our list of games similar to Lumencraft.

65%Game Brain Score

Most mentioned positive aspects:humor, emotional

Most mentioned negative aspects:story, graphics

77% User Score Based on 35 reviews

Light Western shooting game, can quickly play the core content even if you only got 10 minutes break. Other fun patterns are added to the game to help you kill time when you don't know what to play. If you enjoyed this game, see our list of games similar to Take That.

87%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:story, replayability

87% User Score Based on 304 reviews

Rot Gut is an action packed platformer set in America’s 1920’s Prohibition era. You take control of an agent who, to uncover their mysteries, goes on a mission to fight the city’s underground armed to the teeth organizations. If you enjoyed this game, see our list of games similar to Rot Gut.

56%Game Brain Score

Most mentioned positive aspects:music, humor

Most mentioned negative aspects:graphics, gameplay

83% User Score Based on 18 reviews

Monsters and Zombies from all the world are trying to steal the gift packages, they want it all and they want it now. But Santa has guns, big guns! If you enjoyed this game, see our list of games similar to Santa's Monster Shootout.

59%Game Brain Score

Most mentioned positive aspects:graphics, music

Most mentioned negative aspects:story, gameplay

59% User Score Based on 444 reviews

Experience the story of a small group of German soldiers sent to a small town to investigate strange activities. The task was supposed to be fast and easy. If you enjoyed this game, see our list of games similar to Burgers.

63%Game Brain Score

Most mentioned positive aspects:atmosphere, gameplay

Most mentioned negative aspects:story, optimization

63% User Score Based on 120 reviews

Stuck deep in the Congo jungle, you and your teammates are hunted by packs of demons lurking in the darkest areas. Light is your friend in this hostile environment. Scavenge equipment and utilize good teamwork to secure your route of escape in this top-down co-op horror game. If you enjoyed this game, see our list of games similar to Congo.

Dynacore is a top-down roguelike shooter. Make your way through 4 hazard- and enemy-filled levels to find a way off the wreched planet you've been stranded on. Every death sends you back to the beginning so you'll have to use the Weapons, Trinkets and Traps you find on your way as well as your prior experiences in the depths to your advantage to make it out alive! ⠀ 1.6.0 ● Fixed so… If you enjoyed this game, see our list of games similar to Dynacore.