Omega Strikers is a free-to-play 3v3 knockout striker. Choose your character, smash opponents off the arena using explosive abilities, and score goals in chaotic, lightning fast matches.

'Onigiri' is a free to play, original MMORPG brought to you by Cyberstep. 

With ancient Japan as its setting and the heroes of history and folklore as its cast, Onigiri thrusts its players into a story revolving around the myths of Japan! Players will befriend legendary characters such as Minamoto no Yoshitune and Momotaro to quell the evil that has arisen, and restore order to these troubled lands.

Ok Scout, it's time to show us what you’re made of-break free from your city life and live like a real outdoorsman. The wilderness isn’t for the faint of heart, but if you work hard, learn how to use the environment and be one with nature, you too can become a Master Outdoorsman.

Originally released on Arcade in 1987,Operation Wolf Returns: First Mission is the remake of the first Rail Shooter that shaped the genre. It sticks to the DNA of the original game – a breathtaking action atmosphere inherited from 80’s action movies – while offering a brand-new design and a leaderboard.

Few months ago, a new criminal organization has appeared. In addition to their arms and drug trafficking, they have developed a super powerful weapon. After the discovery of several organization’s camps led by the mysterious General Viper, two officers has been deployed to learn more about this dangerous weapon and free the hostages detained in surroundings camps.

Face the challenges of Oppidum, a cooperative multiplayer adventure. Collaborate, craft, fight, and dive into a captivating story to uncover a powerful truth. A world hanging by a thread needs your help – will you answer the call?

Maneuver your ship between planets at breakneck speeds and take gravity into account as you crush your competitors with an epic spaceship arsenal. Use special abilities like shields and teleportation to defeat your enemies, and level up between fights as the madness intensifies in this twin-stick multiplayer space brawler!

Order of Battle: World War II is breath of fresh air for all strategy fans. It is a game that takes wargaming to a new level by upgrading every single game element and rebooting the genre for a new generation of players.

It's is a wild grown, char grilled, bash 'em up, physics action puzzler! Play 1 to 4 magically enhanced organism's (not GMO's), and battle your way through a barrage of crazy full flavored levels, each is totally destructible (real world materials) and features completely reactive liquids.

After crash-landing on a distant planet, build a colony with your friends, battle others and explore the system prospecting for immeasurable riches. Discover and fight indigenous alien creatures or search for lost human expeditions as you survive the far reaches of space.

A group of roommates are just moving to a new space home, which means they will have to deal with the deadly alien infestation inside it and the challenges of building a sustainable ship, while making this new spaceship to feel cozy like a home.

Explore a nightmarish environment, scrounge for supplies, and battle the undead in Outbreak -- an online co-op/offline survival horror game. The clock never stops as you attempt to manage an extremely limited inventory with a murderous horde on the hunt. Choose between acquiring additional weapons, healing items, or necessary tools for progression. You have only one life. Make it count!

Lydia's nightmare began on a cold autumn night as the world was overtaken by an undead epidemic. Experience her torment as you fight through two survival horror adventures, Outbreak: The New Nightmare and Outbreak: The Nightmare Chronicles! Follow Lydia's journey out from the city to the safety of the countryside in Outbreak: The New Nightmare, a co-op survival horror adventure. Featuring fixed camera angles and classic survival horror gameplay, you'll need to fight your way out of the infection zone and attempt to find refuge within the mountains. But Lydia and her fellow the survivors will learn a horrible truth in the process... Featuring the full Story mode, the wave based Onslaught experience and the all new Experiments mode which features a unique spin on survival horror.

Return to the roots of co-op survival horror as you face monstrous hordes, scrounge for supplies and attempt to survive the nightmare. You have one life. Make it count!

Outer Terror is a horde shooter where you hold out against massive quantities of otherworldly cosmic creatures. Assemble a ridiculous arsenal of weapons and blast apart seemingly endless waves of horrific creatures in this stylish roguelike that pays homage to the B-movies and Golden Age horror comics of the 80s and 90s.

Explore and survive in the varied settings of 5 uniquely themed chapters featuring 10 playable characters each with their own signature weapons forming an anthology of classic horror stories. Each map is massive and through exploration players will discover other survivor hold outs and treasures.

Can you survive the massive boss encounters, elite creatures from beyond, ghouls, robots, and otherworldly abominations?

Build the most powerful and dangerous land in all of Arcadia! Stake forests, swamps, graveyards, and volcanoes, recruit monsters and create the best combinations to collect the most points to become the Overboss. Be careful - each terrain type is scored differently, and your minions must be arranged on them strategically to maximize their value!

Step into the shoes of 12 iconic bosses from the renowned board game Overboss, who want to attain supreme power by building their kingdom. The value of your dominion hinges on the arrangement of terrain tiles and the strategic placement of your monstrous minions. Each tile type and its positioning can either bolster or hinder your ascent to dominance.

Overcooked is a chaotic couch co-op cooking game for one to four players. Working as a team, you and your fellow chefs must prepare, cook and serve up a variety of tasty orders before the baying customers storm out in a huff. Sharpen your knives and dust off your chef’s whites, there isn’t mushroom for error and the steaks are high in these crazy kitchens!

The Overcooked! 2 Gourmet Edition gives players every course of chaotic cooking fun with the Overcooked! 2 base game and all DLCs. Cook alone or with friends as you travel through the onion kingdom and master over 20 recipes across 130 sizzling levels.

Revival Productions is proud to present the ultimate 6-degree-of-freedom shooter, OVERLOAD, from the creators of the classic game Descent. Overload combines intense action with awesome graphics and effects to create the ultimate zero-gravity shooter. Overload features an engaging single-player story campaign, intense survival mode, online multiplayer, VR support, and a variety of customization options to give the player an intense experience with a high degree of replayability. Destroy robots, rescue survivors, blow up the reactor, and escape before the whole thing explodes!

Pre-order now and receive a reward in the Garage for an exclusive hat attachment for your mech, and get Override: Mech City Brawl for free! The gigantic robot brawler is Mech-ing a super-charged comeback in Override 2: Super Mech League! Fight in Mech Leagues and soar to new heights, aiming to be the best mech pilot. Pick your playstyle across match types including 1v1, 2v2, free-for-all and several games such as Xenoswarm, King of the Hill and more. Unlock a slew of cosmetics and attachments for your mech of choice in the Garage.

Cooperate, manoeuvre and beat the other team! The hectic gameplay is simple but requires teamwork, quick thinking and tactics to master. You can battle it out with friends or strangers, either by playing locally or online.

An Oxyjet ship is built for two. But if you don’t have a teammate or if you prefer going solo, you can control a spaceship by yourself in 1v1 or 1v2 fights. A solo ship presents its own strengths and weaknesses.

PAC-MAN stars in a nostalgia-packed collection of the greatest PAC-MAN games of all time. PAC-MAN MUSEUM will include classic PAC-MAN titles as well as newer releases, allowing gamers to play through the evolution of PAC-MAN from his humble beginnings from 1980 through current hits like PAC-MAN Championship Edition and PAC-MAN Battle Royale.

LOCAL MULTIPLAYER MAYHEM Compete against friends or robots in local 4-player party chaos! Defend yourself against magical balls in hectic levels to win the prized cup crown. SIMPLE CONTROLS Simple yet difficult to master, Paddles is perfect as a pick up and go party game to play with your friends anytime, anywhere! MAGICAL BALLS From speedy fiery balls to ghostly orbs, there's always another challenge to master. Different levels and magical balls fuse together for a unique experience every time you play. PARTY MODE - 24 UNIQUE LEVELS From small fast-paced levels to giant hectic ones, there are many ways to play! Every level bounces differently with tricky moving obstacles, weird physics, and colorful wacky designs across 24 unique levels. VERSUS MODE Play head to head in the 2-player Versus Mode! Competitive and mechanically focused, Versus Mode is built to hone your skills and challenge your friends to one-on-one battles. FREE CONTENT UPDATE COMING IN 2022! In both Party and Versus Modes, expect many more levels, more magical balls, refined difficulty customization, custom cups and more coming 2022 in a FREE update!

Paint the Town Red is a chaotic first person melee combat game set in different locations and time periods. The voxel-based enemies can be punched, bashed, kicked, stabbed and sliced completely dynamically using almost anything that isn't nailed down.

Join 25+ million players in Paladins, the free-to-play fantasy team-based shooter sensation. Wield guns and magic as a legendary Champion of the Realm, customizing your core set of abilities to play exactly how you want to play.

Palworld is a multiplayer open-world survival game that combines creature-collecting with crafting, base-building, and combat. Set on the Palpagos Islands, players capture and tame animal-like creatures called Pals, which can be used as mounts, combat partners, or workers at player-built bases. The game incorporates firearms and darker satirical elements into the monster-taming formula.

Best Xbox One Multiplayer Games

Omega Strikers

Onigiri

Open Country

Operation Wolf Returns: First Mission

Oppidum

ORBIT

Order of Battle: World War II

Organic Panic

Osiris: New Dawn

Out of Space: Couch Edition

Outbreak

Outbreak: Lydia's Nightmare

Outbreak: The New Nightmare

Outer Terror

Overboss

Overcooked: Gourmet Edition

Overcooked! 2: Gourmet Edition

Overload

Override 2: Super Mech League - Ultraman Edition

Oxyjet

Pac-Man Museum

Paddles

Paint the Town Red

Paladins

Palworld

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