Games like Z.O.N.A Project X VR

82%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

82% User Score Based on 263 reviews

Welcome to the post-apocalyptic world of Z.O.N.A: Origin! Dive into the Zone – a mysterious area around the Chernobyl Nuclear Power Plant filled with unexplained wonders and sinister threats. After the mysterious catastrophe of 2022, this already dangerous corner of the Earth became even more mystical and full of secrets. Here, anomalies hide priceless artifacts, and hungry mutants and gangs crave… If you enjoyed this game, see our list of games similar to Z.O.N.A: Origin.

82%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, stability

82% User Score Based on 722 reviews

Convrgence is an immersive single-player VR shooter with survival and horror elements. Explore the Chernokamensk exclusion zone: scavenge for loot, fight bandits and hunt for mystical artifacts. However be sure to return to base before duskfall, for when night arrives the hunter becomes the hunted. If you enjoyed this game, see our list of games similar to CONVRGENCE.

81%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

81% User Score Based on 1,348 reviews

Forget what you have played so far, Surv1v3 is a unique realistic zombie survival fps game expressly designed for VR that will let you test your survival skills. Play the thrilling story in single mode or coop with your friends (up to 4 players) and survive the apocalypse! If you enjoyed this game, see our list of games similar to SURV1V3.

94%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

94% User Score Based on 8,811 reviews

MAIN FEATURES Dozens of hours of slow-paced suspenseful survival. An unforgiving dystopian environment of the Pechorsk Anomaly Zone. Diverse natural, industrial and urban locations with vast exploration potential. Navigate with your realistic map, plan your route, climb over obstacles, scout out shelters, uncover loot caches, and try not to get killed. Realistic handling of various classic… If you enjoyed this game, see our list of games similar to Into the Radius VR.

94%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

94% User Score Based on 5,503 reviews

Into the Radius is a single-player survival shooter developed exclusively for premium Virtual Reality headsets. The game is a dark mix of eldritch horror, open-world exploration, realistic weapon handling and intriguing storyline that will make you feel like you're in the middle of the post-apocalyptic Pechorsk Radius zone. Life and death intertwine inside the Radius, lurking somewhere in the mid… If you enjoyed this game, see our list of games similar to Into the Radius.

82%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

85% User Score Based on 9,562 reviews

Critic Score 77%Based on 3 reviews

Chernobylite is a non-linerar, science-fiction survival horror RPG. Explore the Chernobyl Exclusion Zone and uncover the truth of your tortured past. If you enjoyed this game, see our list of games similar to Chernobylite.

65%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, optimization

65% User Score Based on 455 reviews

Built exclusively for VR, Contagion VR: Outbreak will immerse you in the middle of a zombie apocalypse! Relive the stories of multiple survivors! If you enjoyed this game, see our list of games similar to Contagion VR: Outbreak.

75%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:stability, optimization

75% User Score Based on 3,159 reviews

EMBRACE SOLITUDE OR SEEK COMPANYDive into the eerie world solo, immersing yourself in a solitary and haunting experience. Or, assemble a team of up to two players and venture into the depths of uncertainty, bravely confronting the dangers of the Radius as a united force.Will you face the darkness alone or forge an unbreakable bond with your fellow Еxplorers? EXPERIENCE REALISTIC WEAPONSIn Into the… If you enjoyed this game, see our list of games similar to Into the Radius 2.

93%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

93% User Score Based on 1,168 reviews

Tunguska: The Visitation is a top-down survival horror that brings you to the perilous Tunguska Exclusion Zone, where you'll face deadly traps, infectious mutants, bandits, and well-armed rogue military. Will you survive and thrive, or will you become Lost To The Zone? If you enjoyed this game, see our list of games similar to Tunguska: The Visitation.

77%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

77% User Score Based on 517 reviews

In the heart of an abandoned island, among the dark ruins of an extinct volcano, lies a secret that threatens all of humanity.Forcing to survive in a harsh environment, the Island fights back against every inexperienced survivor who dares to venture this far in search of its mind-bending power.Your goal is to find the Island Core and take control over it.It's up to you to be its Master or Destroy … If you enjoyed this game, see our list of games similar to Outbreak Island.

76%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

76% User Score Based on 2,047 reviews

48 hour Early Access to the full game, and the Field Medic pack. The Deluxe Edition features the Memories of Polyanka pack—with a Nosalis Hide backpack skin, Nosalis Toy backpack charm, The Fallen backpack patch and Nosalis Skeletal glove skin—plus access to the digital VR Concept Art Gallery. If you enjoyed this game, see our list of games similar to Metro Awakening.

67%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:optimization, stability

67% User Score Based on 159 reviews

LONN is an action-adventure story based VR game set in a dystopian cyberpunk city. If you enjoyed this game, see our list of games similar to LONN.

67%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

67% User Score Based on 4,434 reviews

DESOLATE is a first person survival horror. Form a research team with up to 4 other players and explore an open world filled with mysteries and unsolved questions or do it all by yourself. If you enjoyed this game, see our list of games similar to DESOLATE.

72%Game Brain Score

Most mentioned positive aspects:atmosphere, gameplay

Most mentioned negative aspects:stability, optimization

72% User Score Based on 464 reviews

Trench Tales immerses players in a hauntingly beautiful yet war-torn universe, where darkness reigns and mysteries lurk around every corner. You step into the shoes of the lone warrior, summoned to this desolate realm by enigmatic forces, with a mission shrouded in secrecy. Your purpose: to unravel the enigma of your summoning, confront the malevolent powers that brought you here, and ultimately, … If you enjoyed this game, see our list of games similar to Trench Tales.

78%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:optimization, replayability

78% User Score Based on 179 reviews

Built from the ground up by a two person team, The Living Remain is a virtual reality first person adventure shooter where players immerse themselves in a new world where the undead have taken over. You must survive the horde of undead using an arsenal of weapons in a story driven campaign loaded with a variety of interactive environments. Explore, scavenge, and collect filament to craft ammo and … If you enjoyed this game, see our list of games similar to The Living Remain.

64%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

64% User Score Based on 418 reviews

Everyone knows that we landed on the Moon in 1969. Most people don’t know we returned there five more times, despite it being fraught with danger and almost impossible challenges. You see, the Moon's haunted and it's time to return one last time to unravel the mystery of the Silver Globe once and for all.Moon Mystery is a first-person shooter adventure full of mystery focused on unveiling mysterie… If you enjoyed this game, see our list of games similar to Moon Mystery.

74%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, optimization

74% User Score Based on 4,496 reviews

HumanitZ is an isometric, open-world sandbox survival game set in a world ended by a zombie outbreak. Survive alone or with friends by scavenging, crafting, building, and fighting to last as long as ‘humanly’ possible. You can’t change the past, but you can fight for the future of humanity. If you enjoyed this game, see our list of games similar to HumanitZ.

76%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:optimization, stability

76% User Score Based on 471 reviews

Step back into Hanwell and discover the world beyond it. Set in the deeper parts of London, explore Westminster and uncover the truth about yourself. Explore a rich, atmospheric take on Westminster and it's various Locations. Filled with lore and secrets to discover. All new dual control melee combat system, land each hit and combo with satisfying intensity. Scavenge scarce but available weapons … If you enjoyed this game, see our list of games similar to Beyond Hanwell.

80%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:optimization, stability

80% User Score Based on 1,069 reviews

"Gunman Contracts – Stand Alone" is an intense, action-movie-inspired single player shooter created from the ground up for VR and Non-VR. Take on the role of “the gunman”, a professional operative feared in the criminal underworld, working for an illusive order vowed to deliver justice in a world beyond the reach of the law - one contract at a time. From solo developer ANB_Seth, creator of the pop… If you enjoyed this game, see our list of games similar to Gunman Contracts - Stand Alone.

86%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

86% User Score Based on 7,434 reviews

Critic Score 85%Based on 2 reviews

Saints & Sinners is a game unlike any other in The Walking Dead universe. Every challenge you face and decision you make is driven by YOU. Fight the undead, scavenge through the flooded ruins of New Orleans, and face gut-wrenching choices for you and the other survivors. Live The Walking Dead. If you enjoyed this game, see our list of games similar to The Walking Dead: Saints & Sinners.

70%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:optimization, stability

70% User Score Based on 1,032 reviews

Discover Alien: Rogue Incursion for PS VR2 on the official PlayStation website. Check out trailers for this immersive action-horror experience, made by Alien fans for Alien fans. If you enjoyed this game, see our list of games similar to Alien: Rogue Incursion.

63%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, optimization

63% User Score Based on 422 reviews

Ferocious is a survival shooter in which you will discover a lost prehistoric world full of deadly creatures under the control of hostile forces. Fight, Explore, Survive If you enjoyed this game, see our list of games similar to FEROCIOUS.

71%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:stability, optimization

71% User Score Based on 387 reviews

HEARTSHOT is a high-octane VR espionage thriller where chaotic gunplay meets retro-inspired cinematic environments. Deploy into the Siberian tundra and infiltrate a covert facility, delving into the heart of a shadowy operation to uncover its sinister agenda. Armed with high-tech magnet gloves, seize weapons from fallen enemies and manipulate your environment as you make your way through a sprawli… If you enjoyed this game, see our list of games similar to HEARTSHOT.

74%Game Brain Score

Most mentioned positive aspects:graphics, story

Most mentioned negative aspects:stability, grinding

74% User Score Based on 794 reviews

Hubris is a VR action-adventure game set in a unique and colourful Sci-Fi universe, with immersive movement options, including swimming, climbing, and jumping. Players will have to gather resources, craft food and upgrade their weapons to fight off alien wildlife, droids, and humanoid enemies. If you enjoyed this game, see our list of games similar to Hubris.

65%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

65% User Score Based on 19,779 reviews

Critic Score 66%Based on 68 reviews

For owners of The Callisto Protocol on Xbox One, this upgrade will unlock access to the Xbox Series X|S version of the game. After purchasing the upgrade, search in the Xbox store for The Callisto Protocol for Xbox Series X|S to install the Xbox Series X|S version of the game. If you enjoyed this game, see our list of games similar to The Callisto Protocol.

90%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:stability, grinding

90% User Score Based on 435 reviews

Play together: Watch your friend's back as either the VR player or the PC player. Steam Remote Play Together support means that you can have a friend join online too! Realistic Reloading: Each weapon handles and reloads just like it's real world counterpart. Mastering reloading is essential to surviving the horde! Progression: Robust progression system for both players which includes: Unlockable… If you enjoyed this game, see our list of games similar to Containment Initiative.

79%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

79% User Score Based on 5,734 reviews

Zero Caliber is a military FPS developed exclusively for VR. Realistic weapon handling, engaging story, Co-Op, immersive environment. Customize your weapons, learn how to reload each of them, fight alongside your friends, use your tactical skills to accomplish the mission: saving humanity! If you enjoyed this game, see our list of games similar to Zero Caliber VR.

80%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, optimization

87% User Score Based on 38,385 reviews

Critic Score 72%Based on 73 reviews

Metro Exodus is an epic, story-driven first person shooter from 4A Games that blends deadly combat and stealth with exploration and survival horror in one of the most immersive game worlds ever created. Flee the shattered ruins of dead Moscow and embark on an epic, continent-spanning journey across post-apocalyptic Russia in the greatest Metro adventure yet. Explore the Russian wilderness in vas… If you enjoyed this game, see our list of games similar to Metro Exodus.

62%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:optimization, stability

62% User Score Based on 3,306 reviews

Critic Score 62%Based on 12 reviews

Medal of Honor: Above and Beyond is an upcoming first-person shooter developed by Respawn Entertainment. The game takes place in Europe during World War II, with the main protagonist being an OSS agent and fighter in the French Resistance. It will be released exclusively on the Oculus Rift. If you enjoyed this game, see our list of games similar to Medal of Honor: Above and Beyond.

76%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, optimization

76% User Score Based on 333 reviews

Exoplanet: First Contact is a single-player, story driven action-RPG set in a space western universe, where real and fictional technologies meet the cruel and unforgiving, yet romantic reality of the Wild West exploration and development. You are playing as Jack Sharp, a daring adventurer, stranded against his will on a dangerous, wild planet known as K'Tharsis. The former mining outpost where he’… If you enjoyed this game, see our list of games similar to Exoplanet: First Contact.

75%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, optimization

79% User Score Based on 10,076 reviews

Critic Score 66%Based on 3 reviews

Arizona Sunshine is a VR shooter built and optimized for room-scale VR from the ground up. Step into the midst of a zombie apocalypse as if you were really there, and defend yourself against enemies close enough to touch. A custom-built physical animation system makes striking your undead enemies more thrilling and satisfying than ever before. If you enjoyed this game, see our list of games similar to Arizona Sunshine.

80%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:optimization, grinding

80% User Score Based on 1,431 reviews

Crisol is a survival horror adventure set in a twisted version of Spain. As a soldier captured by religious dogmatism, you must use your own blood as ammunition, without draining to the point of death. Explore the cursed island of Tormentosa, uncover dark secrets, and battle horrifying enemies. If you enjoyed this game, see our list of games similar to Crisol: Theater of Idols.

82%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, monetization

82% User Score Based on 221 reviews

You have been framed.Now, there’s no turning back. As an agent of the secret special forces A.A.U., you were dispatched to Serbia on a covert mission. But as you carried out your assignment, you were intercepted. Unfortunately, you now find yourself deep within the abandoned territory of the former Yugoslav town of Uzovnica. With no way back, you’ll have to fight your way out. This atmospheric … If you enjoyed this game, see our list of games similar to A.A.U. Black Site.

69%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, monetization

69% User Score Based on 710 reviews

Become an Accountant - a hired mercenary who keeps the books balanced by any means necessary. This time though, you are the intended target. Take a journey through New Houston in the year 2056 and follow one man's tale of redemption as he escapes Transience. If you enjoyed this game, see our list of games similar to Transience.

75%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, monetization

75% User Score Based on 301 reviews

A small town is being taken over by ghouls. Solve puzzles, carefully read notes and use various weapons against horrific and evolving enemies to uncover what is behind this gruesome event. Eternal Evil is an old-school survival-horror game. If you enjoyed this game, see our list of games similar to Eternal Evil.

62%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, replayability

53% User Score Based on 535 reviews

Critic Score 72%Based on 20 reviews

Grab your rifle, gaze down the scope and take aim in this stealth-action WW2 first-person shooter built exclusively for VR. With an explosive campaign, astonishing immersion, authentic weaponry, and signature gunplay from the award-winning Sniper Elite series If you enjoyed this game, see our list of games similar to Sniper Elite VR.

68%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, music

68% User Score Based on 399 reviews

This is an open-world zombie survival sandbox game set in a city quarantined due to an unknown virus. You will play as a student in the city who failed to catch the evacuation convoy to escape the disaster and was forced to stay. As a modern metropolis, the city is fully equipped with public facilities including hospitals, subway stations, prisons, and schools, Etc。 The game will feature a large n… If you enjoyed this game, see our list of games similar to Dread Dawn.

89%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, monetization

89% User Score Based on 2,242 reviews

Fight under the onslaught of mutated monsters, obsessed soldiers and even darker bosses. Just try to survive and find out what to do next in this life, simultaneously tearing your enemies to pieces. If you enjoyed this game, see our list of games similar to VLADiK BRUTAL.

77%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:stability, optimization

75% User Score Based on 9,452 reviews

Critic Score 79%Based on 8 reviews

After an asteroid impacts Earth, humanity attempts to rebuild. Sheltered in cryogenic lifeboats, survivors emerge years after impact to a devastated planet where some of mankind survived in struggling settlements or murderous bandit clans, while horrific mutants roam the dead cities. And a mysterious tyrannical government is on the hunt… for you If you enjoyed this game, see our list of games similar to Rage.

73%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding

73% User Score Based on 320 reviews

All people died and you are isolated. Your shelter has become a prison. On the planet of machines, no place for humanity, but it's still perfect place to revenge. You are a defensive combat protocol. Grow! Learn! Survive! Win! If you enjoyed this game, see our list of games similar to Boiling Steel.

54%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:optimization, stability

54% User Score Based on 860 reviews

Blast through destructible compounds and slay cyborgs in virtual reality! Take cover as debris, lead, and lasers whiz past your head and prepare to return fire! Can you smash into a compound and eradicate the frenzied assailants with cutthroat efficiency? If you enjoyed this game, see our list of games similar to Crunch Element.

72%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

91% User Score Based on 15,560 reviews

Critic Score 53%Based on 19 reviews

Terminator: Resistance, is a first-person shooter set during the 'Future War' scenario that was only glimpsed at in the iconic films, 'THE TERMINATOR' and 'T2: JUDGMENT DAY'. The machines are destined to lose, but at what cost? If you enjoyed this game, see our list of games similar to Terminator: Resistance.

91%Game Brain Score

Most mentioned positive aspects:story, atmosphere

Most mentioned negative aspects:optimization, stability

93% User Score Based on 3,079 reviews

Critic Score 84%Based on 3 reviews

Metro 2033 is a first-person shooter with survival horror elements, based on the Russian book of the same name by Dmitry Glukhovsky. Most of the game takes place underground, but several times Artyom will have to venture outside, into the perpetual nuclear winter. Game progression is fairly linear, though areas may be explored more thoroughly for items and ammunition. Setpieces include a few on-ra… If you enjoyed this game, see our list of games similar to Metro 2033.

84%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, optimization

84% User Score Based on 5,052 reviews

Brutal physics sandbox VR game with realistic enemy interactions, gore and dismemberment, slow motion abilities, survival modes, lots of guns and cinematic environment destruction. If you enjoyed this game, see our list of games similar to Hard Bullet.

85%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, monetization

85% User Score Based on 5,812 reviews

Hardcore Survival A hardcore single-player survival game set in a post-apocalyptic border zone between Finland and Russia. Survive, loot, plan and prepare to cross the border into Vostok, a permadeath zone where one mistake can end it all. Core Features Realistic FPS mechanics Physics-based loot Hostile AI's & factions Map-to-Map travel Permadeath zone Shelter customization Trading & Tasks Day & N… If you enjoyed this game, see our list of games similar to Road to Vostok.

93%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

93% User Score Based on 912 reviews

Development Roadmap About the GameIncoming Message (SCPF-FLASH): Timestamp: NEE+364 Days (Martian calendar) To: [REDACTED] If you're reading this, it means the automated systems have finally brought you out of cryostasis. I don't know how much time you have, so I'll get straight to the point. You're at Mars Site-113, one of our largest anomalous research and containment facilities. Or… If you enjoyed this game, see our list of games similar to SCP: Fragmented Minds.

79%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

79% User Score Based on 3,313 reviews

A survival-action game inspired by real-life events, Atomfall is set five years after the Windscale nuclear disaster in Northern England. Explore the fictional quarantine zone, scavenge, craft, barter, fight and talk your way through a British countryside setting filled with bizarre characters, mysticism, cults, and rogue government agencies. From Rebellion, the studio behind Sniper Elite and Zomb… If you enjoyed this game, see our list of games similar to Atomfall.

75%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, optimization

75% User Score Based on 5,242 reviews

Incursion Red River is a tactical cooperative extraction shooter based in a de-stabilized Vietnam. As a contractor to private military organizations that stand to gain from the chaos of a war-torn country, you will engage in ruthless combat, discover dark secrets, and play to your advantage as the story unfolds. Setting Vietnam has fallen into a civil war. Gangs, militia and private military organ… If you enjoyed this game, see our list of games similar to Incursion Red River.

70%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

70% User Score Based on 301 reviews

Explore the mysterious open world of the Chornobyl Exclusion Zone in this post-apocalyptic action RPG adventure. Craft your story by facing sinister hazards and monsters. Survive furious encounters with the help of your crafted weaponry, developed skills, gathered teammates, and supported factions If you enjoyed this game, see our list of games similar to Chernobylite 2: Exclusion Zone.

81%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

83% User Score Based on 3,513 reviews

Critic Score 77%Based on 5 reviews

Atom RPG is a post-apocalyptic indie game, inspired by classic CRPGs: Fallout, Wasteland, System Shock, Deus Ex, Baldur's Gate and many others. In 1986 both the Soviet Union and the Western Bloc were destroyed in mutual nuclear bombings. You are one of the survivors of the nuclear Holocaust. Your mission - to explore the wild and wondrous world of the Soviet Wasteland. To earn your place under th… If you enjoyed this game, see our list of games similar to Atom RPG.