Games like Darkside

77%Game Brain Score

Most mentioned positive aspects:story, music

Most mentioned negative aspects:grinding, stability

86% User Score Based on 10,094 reviews

Critic Score 67%Based on 23 reviews

Rebel Galaxy is a game of action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe. You’ll battle pirates, explore anomalies, befriend aliens, scavenge battle wreckage, mine asteroids, and discover artifacts. Choose your path as a roguish do-gooder, crafty space-trader or power-hungry privateer in this swashbuckling spac… If you enjoyed this game, see our list of games similar to Rebel Galaxy.

62%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:story, humor

62% User Score Based on 131 reviews

Explosive twin stick shooter. Lots of upgrades. Full controller support. Awesome soundtrack. If you enjoyed this game, see our list of games similar to Heckabomb.

87%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:story, grinding

88% User Score Based on 609 reviews

Critic Score 82%Based on 1 reviews

Steredenn is a frenetic and chaotic space shooter, carved in big beautiful pixels, with insane boss battles. Embark in your ship and engage the fight against dreadful space pirates in a never-ending combat for your survival. Steredenn is at the crossroads between a shmup and a rogue-like. Enjoy the infinite replayability of the game with its unforgiving gameplay, intense boss fights, (almost) ran… If you enjoyed this game, see our list of games similar to Steredenn.

88%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

92% User Score Based on 3,624 reviews

Critic Score 67%Based on 1 reviews

At its core, Space Pirates and Zombies is an action based, skill oriented, top down space combat game. It's similar to the ones we knew and loved in years past, but now using full physics simulation and modern graphics for those oh so pretty explosions. But as you dig deeper, SPAZ becomes much more. If you enjoyed this game, see our list of games similar to Space Pirates and Zombies.

65%Game Brain Score

Most mentioned positive aspects:music, story

Most mentioned negative aspects:grinding, replayability

62% User Score Based on 349 reviews

Critic Score 80%Based on 1 reviews

Asteroid Bounty Hunter is a space shooter mixed with interesting boss fights and breathtaking visuals, with a reward system to take your skill to another level. If you enjoyed this game, see our list of games similar to Asteroid Bounty Hunter.

76%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:stability, grinding

83% User Score Based on 777 reviews

Critic Score 63%Based on 4 reviews

Capsized is a fast paced 2D platformer focused on intense action and exploration. As a intrepid space traveler, your ship has crash landed on a mysterious alien planet. You must navigate through the perilous environment and fight off blood-thirsty creatures to save your crewmates and escape with your lives! If you enjoyed this game, see our list of games similar to Capsized.

64%Game Brain Score

Most mentioned positive aspects:gameplay, humor

Most mentioned negative aspects:grinding, graphics

60% User Score Based on 63 reviews

Critic Score 69%Based on 1 reviews

The Wolf of Wall Street... with lasers. You’re the newly appointed CEO of Vostok Inc. As a greedy, space-capitalist your ultimate goal is to get filthy stinking rich! Pilot your own ship and blast your way through the solar system and collect moolah to help profit your company! With your pockets overflowing, you can indulge in extra mini games, ship and weapon upgrades - all whilst fighting evil b… If you enjoyed this game, see our list of games similar to Vostok Inc.

87%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, replayability

92% User Score Based on 763 reviews

Critic Score 72%Based on 2 reviews

As the last surviving tank commander on Earth, single-handedly turn back the evil invading alien army, drive back the Titans across the Solar System, and defeat them on their homeworld... Titan Attacks has the same easy-to-learn and addictive gameplay of the classic arcade shoot 'em up If you enjoyed this game, see our list of games similar to Titan Attacks!.

90%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, stability

90% User Score Based on 14,354 reviews

Avorion is a procedurally generated sci-fi sandbox where players start out at the edge of the galaxy and must find their way to its core. Players build their own ships, which they will use to explore the galaxy, trade and fight. Space ships are mainly of large scale, with crews, turrets and energy systems that you will have to manage. The galaxy gets more hostile, but also more rewarding the close… If you enjoyed this game, see our list of games similar to Avorion.

80%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, stability

78% User Score Based on 1,273 reviews

Critic Score 90%Based on 1 reviews

Galactic Civilizations II: Endless Universe is a compilation featuring the content of Dread Lords, Dark Avatar and Twilight of the Arnor. It was released exclusively in Europe on September 26, 2008 and it was published by Kalypso Media. The compilation was released as Galactic Civilizations II: Ultimate Edition in North America on February 9, 2009. If you enjoyed this game, see our list of games similar to Galactic Civilizations II: Endless Universe.

90%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding, story

91% User Score Based on 454 reviews

Critic Score 85%Based on 1 reviews

Blast hordes of alien ships into junk. Collect the scrap to upgrade your ship into an unstoppable force of destruction. Unlock new characters and weapons and upgrade your stats between runs. If you enjoyed this game, see our list of games similar to Void Scrappers.

90%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

90% User Score Based on 7,130 reviews

Team up to operate an advanced starship and explore a randomized galaxy falling into chaos. Each player assumes a role aboard the ship: Captain, Pilot, Scientist, Weapons Specialist and Engineer. Coordination between your crewmembers will be essential in order to survive the perils that await you. Control the various stations that run your ship. Reroute power between ship systems, scan alien plan… If you enjoyed this game, see our list of games similar to PULSAR: Lost Colony.

78%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

78% User Score Based on 959 reviews

Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter! Destination Sol is a free-to-play hardcore space arcade/RPG. You start as a pilot of a small fighter ship on the edge of a star system, and you're free to explore the game world, land on planets, fight with enemies, upgr… If you enjoyed this game, see our list of games similar to Destination Sol.

95%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:story, optimization

95% User Score Based on 834 reviews

Utopia Must Fall is a vector-flavored base-defending arcade shooter with rapid progression, procedurally generated attack waves and enough upgrade variety to suit both the defensive or aggressive player. It incorporates elements from tower defense, roguelites and beyond, all neatly packaged into a laser-sharp bullet-purgatory arcade frenzy! Easy To Learn : firing happens automatically, just st… If you enjoyed this game, see our list of games similar to Utopia Must Fall.

57%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, optimization

50% User Score Based on 796 reviews

Critic Score 70%Based on 12 reviews

The Long Journey Home combines the endless freedom of space with a new open questing system that always leaves you in command. Deliver the stranded Glukkt to his homeworld as he asks, or to your new slaver friends? Attempt to make allies with everyone, or pin your hopes on the tougher races, and hope they never turn on you? Jump by jump, make hard decisions and live with the consequences, in a uni… If you enjoyed this game, see our list of games similar to The Long Journey Home.

85%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:grinding, stability

90% User Score Based on 648 reviews

Critic Score 81%Based on 17 reviews

The Bug Butcher is an action-packed 2D side scrolling shoot em up game where peril comes from above. So in a nutshell, pest control with machine guns in space. The core mechanics hold old ties from the classic arcade shooter "Super Pang" where you shoot vertically, but with modern day twists. You are Harry, a brash and tenacious exterminator who has a knack for decimating bugs. If you enjoyed this game, see our list of games similar to The Bug Butcher.

94%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:story, grinding

94% User Score Based on 4,618 reviews

A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks. If you enjoyed this game, see our list of games similar to Reassembly.

53%Game Brain Score

Most mentioned positive aspects:graphics, music

Most mentioned negative aspects:gameplay, story

54% User Score Based on 39 reviews

Critic Score 61%Based on 5 reviews

Blast your way through waves of alien invaders in this retro style shooter with modern visuals. Collect power ups, destroy the enemy ships and defeat the mega bosses in 12 action packed levels. On your own or with a friend in local co-op mode. If you enjoyed this game, see our list of games similar to FullBlast.

89%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding

91% User Score Based on 2,154 reviews

Critic Score 82%Based on 1 reviews

Dynamic abstract sandbox universe. Changes and evolves as you do. If you enjoyed this game, see our list of games similar to Solar 2.

90%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:replayability, grinding

94% User Score Based on 169 reviews

Critic Score 83%Based on 5 reviews

Stardust Galaxy Warriors: Stellar Climax is an engaging 1-4 player couch co-op action shooter game, combining SHMUP and Brawler-like gameplay with light RPG elements. Choose from different game modes, gameplay settings, mechs, weapons and upgrades to customize your experience freely. Soar through space, defeat evil and save the future... from itself! If you enjoyed this game, see our list of games similar to Stardust Galaxy Warriors: Stellar Climax.

68%Game Brain Score

Most mentioned positive aspects:graphics, music

Most mentioned negative aspects:gameplay, story

68% User Score Based on 368 reviews

Sun Blast is the best 3d space shooter on Steam. Earn upgrades as you fight your way through a huge seleciton of levels. Full gamepad support! If you enjoyed this game, see our list of games similar to Sun Blast.

51%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, grinding

51% User Score Based on 80 reviews

Eight epic missions take you across breathtaking landmarks of our solar system, including Pluto, Neptune, Triton, Uranus, Saturn, and Titan. SOL: Exodus is a 3D space-action game that leverages the power of the Unreal Engine to deliver epic space battles featuring enormous capital ships, hordes of spacecraft, and beautifully rendered planetary battlegrounds in an actionpacked, cinematic presentat… If you enjoyed this game, see our list of games similar to SOL Exodus.

89%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, music

89% User Score Based on 277 reviews

Drox Operative is a starship action RPG with warring alien races, fierce space battles, a dynamic, evolving galaxy, and co-op multiplayer. As a Drox Operative it's NOT your job to manage all of those annoying people, build thousands of buildings, play nice with your enemies, or balance the budget. It IS your job to pick the winning side and maybe even help them conquer the galaxy if you're being … If you enjoyed this game, see our list of games similar to Drox Operative.

82%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:optimization, replayability

82% User Score Based on 160 reviews

Horizon Shift is an explosive wave based, single screen shooter, with a ton of new ideas and platformer elements. Do what it takes to protect your horizon from the ever encroaching enemy attack! Use the unique risk reward multiplier system to maximise power-ups, build your bomb and destroy EVERYTHING! If you enjoyed this game, see our list of games similar to Horizon Shift.

85%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, stability

85% User Score Based on 462 reviews

Star Ruler is a large scale, real-time grand strategy set in space. Design, build, and take control of potentially thousands of ships, and expand the reach of your empire across the entire galaxy. Research new technologies, capture enemy vessels, and conquer enemy planets on your path to galactic domination. Chat with other players at any time to discuss strategies or arrange multiplayer games. An… If you enjoyed this game, see our list of games similar to Star Ruler.

93%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

93% User Score Based on 6,104 reviews

Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters. If you enjoyed this game, see our list of games similar to Endless Sky.

85%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:replayability, grinding

89% User Score Based on 381 reviews

Critic Score 75%Based on 4 reviews

In PixelJunk Shooter, you must pilot your spacecraft through a range of cavernous environments in a bid to save the scientists trapped underground. Making your way through the game will rely on your keen sense of observation and the ability to manipulate your surroundings. Add in a swarm of dangerous enemies, hazardous substances and stranded survivors in need of your help and your mission objecti… If you enjoyed this game, see our list of games similar to PixelJunk Shooter.

88%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding

88% User Score Based on 324 reviews

Explore the farthest reaches of Human Space in this open-world space adventure. Compelled to journey to the Galactic Core by a mysterious hyperintelligence, you must fight your way through dozens of star systems teeming with clashing empires, expansionist AIs, and fearsome xenophobes. If you enjoyed this game, see our list of games similar to Transcendence.

93%Game Brain Score

Most mentioned positive aspects:graphics, music

Most mentioned negative aspects:replayability, story

96% User Score Based on 48 reviews

Solaroids is a re-imagined version of the classic Asteroids as a single or local multiplayer shooter that retains the essential premise that inertia is the missing ingredient of many modern top down shooters. Fly solo or with up to three of your friends against a seemingly insurmountable threat. Defend your solar system in a Campaign that progresses from tame introductory levels to epic high-octa… If you enjoyed this game, see our list of games similar to Solaroids.

93%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:replayability, stability

93% User Score Based on 1,384 reviews

Intrusion 2 is an action platformer set in a sci-fi environment on a reserve planet occupied by a hostile military corporation conducting forbidden weapon research. Intrusion 2 is inspired by classic 16bit era sidescrollers and focuses on classic fast-paced action combined with modern physics and animation. If you enjoyed this game, see our list of games similar to Intrusion 2.

88%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

88% User Score Based on 7,925 reviews

Jump Space is a mission based co-op FPS for up to 4 players, where you are the crew of a spaceship. Transition seamlessly from crewing the ship to on-foot exploration and space walks. Engage in intense battles both on the ground and in space, and always keep your ship upgraded and intact. If you enjoyed this game, see our list of games similar to Jump Space.

81%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:optimization, stability

81% User Score Based on 22,604 reviews

Starship Troopers: Extermination is a pulse-pounding co-op first-person shooter. Join the Deep Space Vanguard, an elite Special Forces branch of the Mobile Infantry, in the fight against the Bug menace and claim victory for humanity! Your trusty Morita Assault Rifle, support tools, and fellow Vanguard Troopers are all that will keep you alive while exploring the hostile surface of these ugly plan… If you enjoyed this game, see our list of games similar to Starship Troopers: Extermination.

89%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:optimization, stability

89% User Score Based on 85,786 reviews

Space Engineers is a sandbox game about engineering, construction and maintenance of space works. Players build space ships and space stations of various sizes and utilization (civil and military), pilot ships and perform asteroid mining. Space Engineers utilizes a realistic volumetric-based physics engine: all objects can be assembled, disassembled, damaged and destroyed. If you enjoyed this game, see our list of games similar to Space Engineers.

96%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, monetization

96% User Score Based on 7,179 reviews

Nuclear Option is a combat flight game set on a dynamic and realistic battlefield of the near future. Use an array of advanced weapons to change the course of battles as you intercept bombers, duel fighters, fly under the radar, or unleash the fury of nuclear weapons on enemy formations. Each aircraft comes with an immersive cockpit featuring a situational awareness HUD, identifying nearby targ… If you enjoyed this game, see our list of games similar to Nuclear Option.

93%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:story, replayability

95% User Score Based on 243 reviews

Critic Score 88%Based on 2 reviews

Therion returns as the hunt for Lord Vroll continues. Pilot an advanced machine of death and destruction in this explosive 2.5D side-scrolling shoot ‘em up, and sequel to the critically acclaimed Valfaris. Strap in and unleash mecha hell! If you enjoyed this game, see our list of games similar to Valfaris: Mecha Therion.

82%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

89% User Score Based on 11,908 reviews

Critic Score 57%Based on 2 reviews

EVERSPACE 2 is a fast-paced single-player space shooter with deep exploration, tons of loot and classic RPG elements. Experience a thrilling story set in a vivid, handcrafted open-world full of secrets and perils on your journey to become human after all. EVERSPACE 2 successfully achieved Kickstarter funding on November 4th 2019. If you enjoyed this game, see our list of games similar to Everspace 2.

92%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:optimization

98% User Score Based on 45 reviews

A thrilling sci-fi fantasy shmup / shoot'em up with epic boss battles and a vast arsenal of futuristic weapons! Battle legions of demonic entities, restore the cosmic balance, and save the universe! Flow state gaming to unleash your inner hero! Feel your skills grow on your way to 1CC S+ tier rank! Try out the Demo! Embark on an exhilarating journey through the cosmos with the free demo of Int… If you enjoyed this game, see our list of games similar to Interstellar Sentinel.

98%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:grinding, atmosphere

98% User Score Based on 347 reviews

Iron Meat is a run-and-gun shooter with an onslaught of mechanics ripped from arcade and console classics. If you enjoyed this game, see our list of games similar to Iron Meat.

73%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:monetization, atmosphere

80% User Score Based on 940 reviews

Critic Score 60%Based on 5 reviews

Fight, explore the stars, trade, and lead your fleet across the galaxy If you enjoyed this game, see our list of games similar to Space Commander: War and Trade.

84%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability, optimization

84% User Score Based on 1,978 reviews

The RTS/FPS phenomenon has moved into space! Build and command fleets of starships for epic space battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant. If you enjoyed this game, see our list of games similar to Executive Assault 2.

94%Game Brain Score

Most mentioned positive aspects:music, gameplay

Most mentioned negative aspects:grinding, monetization

94% User Score Based on 5,056 reviews

Experience your music collection as never before with this intense music driven arcade shooter. Each of your songs will have its own unique ebb and flow based on the music. Power up your spaceship and watch as the music boosts your firepower. Unleash hell on the enemy ships when you max out with weapon pickups! Beat Hazard seamlessly mixes the love of gaming and music. Together they become great… If you enjoyed this game, see our list of games similar to Beat Hazard.

89%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:story, graphics

89% User Score Based on 109 reviews

Xenoraid is an exciting vertically scrolling shoot'em up rooted in the classic action gameplay of the genre with added modern features. Xenoraid upgrades the basic shmup gameplay with advanced shooting mechanics. Fighters tilt left and right when moving horizontally and weapons heat up when firing. Master the mechanics and line up devastating bursts of fire! Missions in Xenoraid a procedurall… If you enjoyed this game, see our list of games similar to Xenoraid: The First Space War.

93%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:grinding, monetization

96% User Score Based on 523 reviews

Critic Score 81%Based on 1 reviews

This is a side-scrolling shooting game in which the player takes control of the "Drainus", a ship that can absorb energy bullets, to take down the countless enemy ships zipping through space. Energy absorbed can be used to enhance the ship's functions, such as adding new weapons. StoryThe Planet Halpax is located in the far reaches of space, suffering from the oppressive rule of the Khar… If you enjoyed this game, see our list of games similar to DRAINUS.

94%Game Brain Score

Most mentioned positive aspects:story, music

Most mentioned negative aspects:stability, grinding

94% User Score Based on 2,240 reviews

RODINA is an immersive space exploration game with allows players to seamlessly travel across an entire, full-scale solar system. Seamless means your character can travel anywhere - in space, on planets, and in your ship - with no loading screens! Walk around your space ship, or anywhere on full-size planet landscapes. Fly through a planet's atmosphere to its surface, or out into deep space. Des… If you enjoyed this game, see our list of games similar to RODINA.

78%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:grinding, monetization

80% User Score Based on 408 reviews

Critic Score 73%Based on 1 reviews

Can you create the raddest spaceship? Captain Forever Remix is the spaceship builder roguelike. Voyage across the Solar System and blast apart randomly-generated enemies for spare parts. You better build a pretty tough ship, because you're gonna need it. Your little brother turned into a bubblegum mutant and is being a total butthead. He froze the Sun, poked out Jupiter's eye, drank Neptune's oce… If you enjoyed this game, see our list of games similar to Captain Forever Remix.

71%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

76% User Score Based on 3,698 reviews

Critic Score 66%Based on 9 reviews

A unique blend of space sim, RPG and 4X games. Conduct research and construction in your own gigantic space station, command your war fleets and heroic companions to invade enemy territory, build up your stronghold, trade, mine, salvage and remind your enemies why they fear you. If you enjoyed this game, see our list of games similar to Starpoint Gemini Warlords.

70%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:grinding, stability

70% User Score Based on 935 reviews

A hyperdrive malfunction sends Keith T. Maxwell tumbling through space and time to fight for his life against a mysterious alien armada that is wreaking havoc. If you enjoyed this game, see our list of games similar to Galaxy on Fire 2™ Full HD.

78%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

83% User Score Based on 3,480 reviews

Critic Score 73%Based on 39 reviews

This Ends With Us If you enjoyed this game, see our list of games similar to Chorus.

77%Game Brain Score

Most mentioned positive aspects:story, humor

Most mentioned negative aspects:grinding, stability

77% User Score Based on 3,148 reviews

Critic Score 77%Based on 10 reviews

Star Control is a space role-playing game in which you command Earth's first interstellar starship on a mission to save the Earth from hostile alien empires. If you enjoyed this game, see our list of games similar to Star Control: Origins.

85%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:replayability, grinding

85% User Score Based on 468 reviews

Built for PC, Enemy Mind lets you battle your way through 70+ waves of challenging enemies. Deftly maneuver over twenty unique ships, each with different abilities for you to harness. Backed by an all-new chip-emulated soundtrack by the psychoacoustic artist Rainbow Kitten, Enemy Mind features an adaptive story system as innovative as its gameplay. Are you ready to unlock the secrets of Enemy Mind… If you enjoyed this game, see our list of games similar to Enemy Mind.