Sid Meier's Civilization: Beyond Earth is a strategy game developed by Fireaxis and published by 2K Games for Microsoft Windows, Mac OS, and Linux in October, 2014. Beyond Earth is a spiritual successor to Alpha Centauri, which is not officially a part of the Civilization series due to creators Sid Meier and Brian Reynolds leaving Microprose before its release.

The Talos Principle is a first person puzzle game developed by Croteam and published by Devolver Digital on Linux, Mac OS, and Microsoft Windows in December, 2014. PlayStation 4 and Android versions are also expected to release in 2015.

Dungeon Defenders II is an action game developed by Trendy Entertainment and released on Linux, Mac OS, Microsoft Windows, PlayStation 4.

Kinetic Void is an upcoming 3D space adventure game with a focus on customization and enjoyable space simulation, developed by Badland Studio for Mac, Linux and Microsoft Windows.

This War of Mine is a survival action game currently developed and published by 11 bit Studios for iOS platforms, Android, Linux, Microsoft Windows and Mac OS in November 2014.

Football Manager 2015 is a football management simulation game developed by Sports Interactive and published by Sega for Windows PC, Linux and Mac OS in November 2014. Android and iOS mobile versions of the game are also planned.

The Binding of Isaac: Rebirth is an action game developed by Nicalis and released on iOS, Linux, Mac OS, Microsoft Windows, Nintendo 3DS, PlayStation 4, PlayStation Vita, Wii U, Xbox One.

The Binding of Isaac is an action-adventure dungeon crawler game developed by Edmund McMillen and Florian Himsl for the Mac OS and Microsoft Windows.

Costume Quest 2 is an RPG developed and published by Double Fine Productions for Linux, OS X, PC, PlayStation 3, PlayStation 4, Wii U, Xbox 360, and Xbox One in October, 2014.

StarDrive 2 is a strategy game developed by Zero Sum Gamesand released on Linux, Mac OS, Microsoft Windows.

Geometry Wars 3: Dimensions is a twin-stick shooter being developed by Lucid Games and due to be published by Sierra Activision for Xbox 360, Xbox One, PlayStation 3, PlayStation 4 and Windows PC in November 2014.

Defense Grid 2 is a strategy game developed by Hidden Path Entertainment and released on Linux, Mac OS, Microsoft Windows, PlayStation 4, Xbox One. Defense Grid is a strategy game where you spend resources on building towers that destroy waves of incoming enemies. As you kill more enemies, your resources grow. It’s a combo of strategy and puzzle play, and because the game is balanced just right, there are a million different ways you can beat a level so your solution is truly your solution.

Tropico 5 is a simulation game developed by Haemimont Games and published by Kalypso Media for Windows PC, Mac OS, Linux, Xbox 360 and PlayStation 4 in 2014.

Wasteland 2 is an RPG game that is being developed and published by inXile Entertainment, in partnership with Obsidian Entertainment, for the Microsoft Windows. It is the long-awaited sequel to the 1988 game Wasteland, which is the spiritual predecessor to the Fallout series. The game will include a copy of the original Wasteland when it releases.

Doorways: The Underworld is an adventure game released on Linux, Mac OS, Microsoft Windows. Doorways: The Underworld is a first person horror adventure, featuring a complex story and deep atmosphere. It will challenge you with its fast-paced gameplay and breathtaking visuals and sounds, so prepare to immerse yourself in a terrifying psychological experience. 

Hatoful Boyfriend is a simulation game developed by Mediatonic and released on Linux, Mac OS, Microsoft Windows. Congratulations! You’ve been accepted as the only human student at the prestigious St. PigeoNation’s Institute, a school for talented birds! Roam the halls and find love in between classes as a sophomore student at the world’s greatest pigeon high school. Finding happiness won’t be easy, but it’s not all academic - there’s always time for a little romance in this delightful remake of Hato Moa’s popular visual novel / avian dating sim Hatoful Boyfriend! 

Hexcells Infinite is a puzzle game developed by Matthew Brown and released on Linux, Mac OS, Microsoft Windows. Hexcells Infinite is the third game in the series of ambient logic puzzle games. It includes a new set of 36 puzzles as well as a random puzzle generator and now supports mid-level saving and cross platform cloud saves.

Insanity’s Blade is an adventure game developed by damainman69 released on Linux, Mac OS, Microsoft Windows. A trip to hell - Arcade style! A father's journey to hell to save the souls of his wife and child. Insanity's Blade: The Chronicles of Thurstan is the first in a series of games based around the journey of a sword possessed by a father's powerful grief and hatred. The first game is the tale of the swords creation.

Sentris is a simulation game released on Linux, Mac OS, Microsoft Windows. Sentris is a new kind of music game that puts you at the epicenter of musical creation. It transforms the act of making music into a puzzle of colorful concentric circles. It's a rhythmical challenge that enables personal musical expression. The music you make with Sentris is your own authentic creation to enjoy and share.

Max Gentlemen is an action game developed by The Men Who Wear Many Hats LLC and released on Android, iOS, Linux, Mac OS, Microsoft Windows. Max Gentlemen is an arcade-style extreme manners simulator about stacking hats, inspired by a spam email for male enhancement.

Trace Vector is an action game developed by Vexel Games released on Linux, Mac OS, Microsoft Windows. Trace Vector is a high speed action arcade game with puzzle elements. Featuring a modern take on vector style graphics, Trace Vector plays like an easy to learn, hard to master, game of the golden age of the 80′s video arcades. Race your space ship through each geometric level grabbing extra fuel cells along the way. Reach a viable goal to shatter the networks' hold on your ship and increase your speed. Simple controls keep you focused on navigating the increasingly complex webs at ever increasing speeds. Collect fuel cells and warp time to assist in the precision maneuvering needed to ace a level! Warping time quickly exhausts precious fuel. If you deplete your fuel and crash it's game over. 

Shan Gui is an adventure game developed by Magenta Software and released on Linux, Mac OS, Microsoft Windows. It was the end of summer, a pleasant smell flaoted in the air. Two girls whose name is Han Hui and He Jia met in the mountains by chance, and they had a wonderful journey which belonged to themselves. Shan Gui is simple, and flat. It tells you a story between two girls, they walk in the mountain, for whole afternoon. It’s not hard to understand, just things of our life, with some lost, some confusion. Han Hui is a common girl, and He Jia is also a girl with happiness, althrough she is not set as human. Who comes with sadness, finally get cured by a happy girl, that’s the story we want to tell you. 

Mega Coin Squad is an action game developed by Big Pixel Studios and released on Linux, Mac OS, Microsoft Windows. Tackle 16 levels in the solo quest for the Mega Coins in this manic 2D platformer from Big Pixel Studios and Adult Swim Games. Or invite your friends over to rob them of victory -- and their coins -- in four different local multiplayer modes.

Blinding Dark is an action game developed by Bulkypix and released on Linux, Mac OS, Microsoft Windows. You wake up in an entrance hall of, what seems to be, a mansion. You can't remember who you are and how you got there. Step by step you adventure into the dark to discover your past and unfold your future. Collect ancient relics and discover what is their unique ability. Take your time and analyze the surroundings. Throwing yourself head on will often prove to be a deadly mistake. 

Overruled! is a fighting game developed by Team17 Software and released on Linux, Mac OS, Microsoft Windows. Overruled is a multiplayer brawler like no other - players change the rules as they play, directly influencing the dynamics and direction of combat. The player with the most points at the end wins the game! Use over 25 change ’em-up cards to mess things up, no game is ever the same.

Depression Quest is a role-playing game developed by The Quinnspiracy released on Linux, Mac OS, Microsoft Windows. Depression Quest is an interactive fiction game where you play as someone living with depression. You are given a series of everyday life events and have to attempt to manage your illness, relationships, job, and possible treatment. This game aims to show other sufferers of depression that they are not alone in their feelings, and to illustrate to people who may not understand the illness the depths of what it can do to people. 

Psichodelya is an action game developed by Ennoble Studios  released on Linux, Mac OS, Microsoft Windows. Psichodelya pays homage to old-school style top-down shmups (shoot-em-up’s) such as DoDonPachi, Ikaruga, Espgaluda, R-Type Delta, Aero Fighters, Giga Wing, Raiden, and more recent Jamestown. 

Victory At Sea is a strategy game released on Linux, Mac OS, Microsoft Windows. Engage in epic Real Time Strategy warfare across the Atlantic, Pacific and Mediterranean, this is naval warfare on a global scale. It is World War II and the age of the dreadnoughts has passed and naval warfare is being dominated by Aircraft Carriers. Submarines hunt convoys like wolves and the numerous and nimble destroyers rule the oceans. 

Orbital Gear is an action game released on Linux, Mac OS, Microsoft Windows. Orbital Gear is a multiplayer shooter where you utilize the gravitation of celestial objects to give your mech momentum through space. Arm your Mech with two of twelve different weapons and destroy your enemies.

OTTTD is a tower defense strategy game developed by SMG Studio and released on iOS and Android. A clever blend of TD & RTS genres, OTTTD offers a tactical challenge across an action-packed campaign. Command heroes, build towers, discover strange and exotic worlds and blow them all to bits.

Spellcrafter is a role-playing game developed by Jujubee and released on Linux, Mac OS, Microsoft Windows. Spellcrafter is an RPG game with deep tactical turn-based combat and a unique spell casting system. Explore the magical world, collect gold, interact with NPCs, take quests and make moral choices! Recruit heroes, assemble and summon powerful troops and send them into battle!

Pixel Piracy is a side-scrolling 2d, real time strategy/sandbox/simulation game created by indie developer Vitali Kirpu and produced by Alexander Poysky released on Linux, Mac OS, Microsoft Windows. In the game, the player leads the life of a pirate captain. Recruit a crew, outfit and customize your ship and set sail on the open seas.

Lovely Planet is an action game developed by QUICKTEQUILA released on Linux, Mac OS, Microsoft Windows. With boots of speed on your feet, an infinite supply of bullets for your semi-automatic and the ability to jump over twice your own height, you're well equipped to go up against any enemy on your quest to reach Lovely Planet! Balance between jumping around dodging bullets and taking aim for a better shot at your enemies, don't waste time camping at cover spots and waiting for enemies to pop out - artfully evade the onslaught of bullets and defeat all baddies that stand in your way! 

The Maker's Eden is an adventure game developed by Screwy Lightbulb released on Linux, Mac OS, Microsoft Windows. The Maker's Eden is a first-person hypertext adventure game presented in the style of a motion comic. You play a character trying to discover what their predefined purpose is, in a science fiction/noir inspired world filled with androids, flying cars and an early 20th century vibe. 

Crypt of the NecroDancer is an action game developed by Klei Entertainment and released on Linux, Mac OS, Microsoft Windows. Crypt of the NecroDancer is a hardcore roguelike rhythm game. Can you survive this deadly dungeon of dance, slay the NecroDancer, and recapture your still beating heart? Or will you be a slave to the rhythm for all eternity? 

Only If is an adventure game developed by Creability and released on Linux, Mac OS, Microsoft Windows. Only if is a short surreal adventure puzzle game developed by Creability, The game's mechanics are experimental and are driven to defy the logic of "What you see is what you get". Such as jumping to your death will actually save you, or the environment changing when you're not looking, repeating the same mistakes will actually progress you forward and a few more concepts to play about. The game is meant to play with your expectations and put you on the spot. You might die a lot because even if you master the art of reversing its logic it'll reverse it back again leaving the player confused. 

Darkwood is an open-world survival horror game development by Acid Wizard Studio for Microsoft Windows, Mac OS and Linux. Featureing RPG and rogue-like elements, with intense combat and a eerie atmosphere, it has features in common with games like Project Zomboid, Don't Starve and Teleglitch and is inspired by the works of David Lynch.

Unrest is a role-playing game developed by Pyrodactyl released on Linux, Mac OS, Microsoft Windows. Set in a fantasy interpretation of ancient India, Unrest is an adventure RPG focused on story and choices. Play as five ordinary people who are struggling to get by in the in the famine-stricken city-state of Bhimra. Brave poverty, disease, treason, political and social upheaval. Face unique burdens and gripping dilemmas as you struggle to survive in each chapter...but choices made to help one character may well make life harder for another. In Unrest, there are no heroes of legend, there is no mystical quest, and fate has not chosen you. You're on your own.

Micron is a unique fusion of puzzle and rhythm gameplay developed by Apparition Games released on Linux, Mac OS, Microsoft Windows. Place pieces on the board to deflect bullets of energy that fire to the beat. Guide the bullets to the exit through 51 challenging levels — and 12 bonus levels — featuring a variety of distinctive soundscapes. Your solutions create the music.

Adventurezator: When Pigs Fly is an adventure game developed by Pigasus Games released on Linux, Mac OS, Microsoft Windows. The Adventurezator is an emergent adventure game about creating emergent adventure games! With easy to use tools, you'll be able to create adventures with no technical knowledge required. Create actors, cutscenes, levels and campaigns. Use the workshop to share your creations, and play the adventures created by the community.

Halfway is a role-playing game developed by Robotality released on Linux, Mac OS, Microsoft Windows. Halfway is a turn-based strategy RPG taking place a few hundred years into the future. Humanity has begun to colonise new worlds and until now, they were alone… In Halfway you take control of a small team of survivors faced with a violent invasion onboard the colonial vessel Goliath. As their leader you will guide them through the dark and cramped corridors of the ship to slowly take back control. If you have any hope of surviving, you’ll have to fight, face your fears and outsmart the enemy!

My Ex-Boyfriend the Space Tyrant is an adventure game developed by Up Multimedia and released on Linux, Mac OS, Microsoft Windows. This is a traditional point-and-click adventure but stands out for its gay cast and eye-catching visuals. On the surface, the storyline is standard science fiction fare: you play as retired space captain Tycho Minogue, dragged back into active service in order to foil the nefarious plans of a powerful interplanetary tyrant who is taking his fleet from world to world, subjugating the free people of the galaxy. But there are twists! A tale of love, loss and adventure spread over three planets and several lightyears, My Ex-Boyfriend the Space Tyrant is the gayest game ever made.

Sokobond is a misc game developed by Alan Hazelden and Harry Lee and released on Linux, Mac OS, Microsoft Windows. This  is an elegantly designed puzzle game about chemistry. It's logical, minimalist, and beautiful - crafted with love and science.

Pixel Hunter is an action game developed by Lemondo Entertainment and released on Android, iOS, Linux, Mac OS, Microsoft Windows. Pixel hunter is 3D side-scroller game, designed in Voxel and 8Bit style. The game is about a hunter, whose weapons were stolen by different animals. His only thought is to return them all. 

Detective Case and Clown Bot in: Murder in the Hotel Lisbon is an adventure game developed by Nerd Monkeys released on Linux, Mac OS, Microsoft Windows. A strange murder has occurred in the Hotel Lisbon, a man committed suicide with 14 stabs to the back while at the same time he peacefully drank his coffee. This case with contradictory facts was too complex for Policeman Garcia to solve, so he decided to hire the only detective duo in town capable of solving it: the mythical Detective Case and the unmistakable Clown Bot. Together, they will solve a network of love relations so complex and so intricate, that it would take at least 14 clairvoyants, 5 apocalyptic sect prophets who can predict the end of the world and 3 of those gypsies that can read the palm of your hand just to guess the final outcome. 

The Nightmare Cooperative is a strategy game developed by Lucky Frame and released on Linux, Mac OS, Microsoft Windows. The Nightmare Cooperative is a strategic roguelike where you lead a group of unlikely comrades through some rather difficult situations. Your village has fallen on hard times (due to some rather reckless spending by the Village Council) and it’s up to you to bring back some gold. Or even just try and survive for a bit.

Ground Pounders is a strategy game developed by Kerberos Productions and released on Linux, Mac OS, Microsoft Windows. Ground Pounders is a hex-based, turn-based strategy wargame. Inspired by classic strategy games like Panzer General, and steeped in the lore of the Sword of the Stars universe, Ground Pounders offers a new generation of gamers an updated taste of turn-based strategic warfare. 

Bik is an adventure game developed by ZotniPreleased on Linux, Mac OS, Microsoft Windows. In Bik, we follow a young boy who is abducted by aliens while on a camping trip with his friends. After joining forces with two friendly alien mercenaries, Ammut and Tatenen, Bik escapes from his abductors and tries to find his way home. Along the way, Bik and his newfound friends outsmart hijackers, (eat some brownies), accept a perilous mission to find a missing alien, (make some sandwiches), foil a dastardly plot by an evil corporate empire, (argue with disgruntled robots), and save a planet on the brink of destruction. 

Light is an action game developed by Team17 Software and released on Linux, Mac OS, Microsoft Windows. Stealth, Hack, Steal - Light combines unique game mechanics, atmospheric visuals & a gripping narrative that breathes new life into a much loved genre. Combat is your last option & technology your first, can you evade capture & solve the mystery? - Step out of the shadows and into the Light.

Infinity Runner is an action game developed by Wales Interactive and released on Linux, Mac OS, Microsoft Windows. The Infinity is the largest spaceship ever built by man-kind; flung into the void of space to secure humanity a new home amongst the stars. However, instead of discovering paradise, the inhabitants of The Infinity unlocked the door to a long forgotten nightmare.