ONE PIECE ODYSSEY

(11/01/2023)

• Adventure
• Singleplayer
• Action-Adventure
• RPG
• Simulation
• Open-World

A brand new RPG set in the world of the popular anime, ONE PIECE! Play as members of the Straw Hat Crew in a fantastic adventure set in the ONE PIECE world!

One Piece Pirate Warriors 3

(26/08/2015)

• Action
• Adventure
• Singleplayer
• Multi-player
• Open-World
• Co-op
• Beat-em-up
• Fighting
• Remote-Play

Enjoy the original story of ONE PIECE from Fuschia Village to the mysterious kingdom of Dressrosa. Will your resolution be strong enough to defeat the most dangerous pirates, including Doflamingo and many more?

ONE PIECE: PIRATE WARRIORS 4

(25/03/2020)

• Action
• Adventure
• Singleplayer
• Arcade
• Simulation
• Multi-player
• Open-World
• PvP
• Co-op
• Beat-em-up
• Fighting
• Remote-Play

ONE PIECE: PIRATE WARRIORS 4 is the latest evolution of PIRATE WARRIORS action! Based on the concept of "experiencing a real ONE PIECE battlefield," buildings will come crashing down during the action and attacks will throw up smoke and dust, placing you in the thick of the ONE PIECE world!

One Piece: Unlimited World Red - Deluxe Edition

(24/08/2017)

• Action
• Adventure
• Singleplayer
• Open-World
• Fighting

A remaster of the latest installment of the “Unlimited” series, with over 50 DLC’s included

One Ping Only

(13/04/2018)

• Action
• Adventure
• Casual
• Indie

A student built, subdued adventure game that will take the player to unseen depths utilizing a unique and novel approach to vision and clarity.

One Piu Day

(25/09/2018)

• Indie

Play as a baby bird which has been rejected from its nest and will do its best to get back home. More than a classic 2D platformer, it's a story full of emotion with a unique artistic direction that is awaiting you.

One Pixel

(27/02/2021)

• Action
• Arcade
• Platformer
• Survival

2D platform game with minimalist pixel art graphics, create platforms and shoot a lot to defeat an army with more than 1,000 monsters. The game was made for people who like a challenge and don't mind dying several times.

One Possible Future

(19/01/2025)

Explore one possible future for humanity in this adult visual novel: a sci-fi world in which humans want for nothing, and engage in secret rendezvous with their robot caretakers...

ONE PUNCH MAN: A HERO NOBODY KNOWS

(26/02/2020)

• Casual
• Arcade
• Multi-player
• Open-World
• Fighting
• Super-Hero
• Remote-Play

The first "One Punch Man" game finally makes its debut! Dive into a dynamic fighting game experience with beloved characters from the first Season of One Punch Man! Play as your favorite hero – or become one!

One Room Dungeon

(22/01/2025)

• Casual
• Strategy
• Puzzle
• RPG
• Simulation
• Board-Game

A roguelike team builder, auto-battler meets inventory management, where you are a little dungeon keeper who has to fit minions, artifacts, and items in a very tidy way in his tiny one-room dungeon to empower himself to protect the dungeon from the raiding adventurers.

One Room Nightmare

(06/06/2024)

• Singleplayer
• Strategy
• Indie

Turn-based strategy horror. Terror in a confined space. Manage your limited power and time to protect yourself from the oncoming enemies and survive until dawn.

One Screen Shooter

(25/02/2025)

• Casual

Get ready for an action-packed shooting experience in Once Screen Shooter! This fast-paced bullet hell game takes place on a single screen, where enemies swarm from all directions, challenging your reflexes and strategy. Can you survive the chaos? 🚀🔥

One Sex Night

(25/12/2022)

You will have to survive one night, taking care of the old mansion of the city. The sensual spirit of a clow will attack you all night long.

One Shell Straight to Hell

(08/02/2021)

• Action
• Action-Adventure
• Shooter

One Shell Straight to Hell pits a heavily armed Padre Alexander against hordes of demons and the possessed in an isometric dungeon crawling, roguelite shooter with a pinch of base defence mechanics and a surly attitude.

One Ship Two Ship Redshift Blueshift

(22/09/2015)

• Action
• Casual
• Arcade
• Sports
• Indie
• Remote-Play

Redshift Blueshift is a tournament-ready pong-like 2D shooter in which two pilots fight for glory in their variable paddle ships! Power up your shields, unleash a horde of drones and homing missiles on your opponent and keep the hyper-ball in play! Supports local multiplayer and single player vs AI. Gamepad strongly recommended.

One Shot

(26/02/2020)

• Action
• Arcade
• Shooter
• Indie

Enter a fast-paced arcade shooter armed with a single bullet. Precision, timing, and strategy are key as you obliterate waves of enemies, chaining kills for massive rewards. With endless synergies, fast-paced action, and skill-driven mechanics, every shot is a test of your mastery.

One Shot Arena

(27/03/2025)

• PvP
• Action
• Early Access

One Shot Arena is a multiplayer game of precision and perfect timing, where quick reflexes and sharp strategy make all the difference. Are you ready to outsmart and outplay your rivals?

One Small Fire At A Time

(09/06/2016)

• Adventure
• Casual
• Indie

13-year-old Janis has "Magic Deficiency Disorder," a madness where one can't use magic in a very magic-oriented world. For her protection, she lives in a madhouse: a place where those with mental disorders can be safe from an unforgiving society.

One S'More

(26/09/2024)

• Singleplayer
• Puzzle

Can you help an adventurous marshmallow fulfill its dream of becoming a tasty S'More? Watch your mind crumble as you break apart islands and rearrange the whole world to help your little marshmallow friend reach their goal of getting squished between two chocolate cookies.

One Soul

(31/03/2023)

• Action
• Action-Adventure
• Simulation
• Early-Access
• Action-Rpg
• Indie

Explore dark dungeons. Wield your sword to attack enemies. Raise your shield to block attacks. Find keys to unlock doors. What will you discover?

One Step From Eden

(25/03/2020)

• Action
• Adventure
• Strategy
• Action-Rpg
• Card-Game
• Indie
• Remote-Play

Build a powerful deck, cast spells on the fly, battle evolving enemies, find game-changing artifacts, make friends or make enemies, just make it to Eden.

One Synth

(15/02/2019)

• Adventure
• Casual
• Indie

A text based adventure editor - upload and play text based games from across the world using Steam Workshop

One Tank Army

(19/01/2023)

• Shooter
• Co-op

One Tank Army is a game in which your goal is to defeat everyone from inside of the tank, changing places at the same time. Use the main gun as well as additional machine guns to clear the battlefield from enemies. There is also a two-player co-op mode.

One Tap Golf VR

(21/12/2022)

• Adventure
• Casual
• Strategy
• Puzzle
• Sports
• VR

ONE TAP GOLF VR brings a fresh new experience to your headset with sixty levels divided into stages of three for you to enjoy ! Every stage you play , you will have three hearts to survive three levels. If you miss three times, you go back to the beginning of the stage !

One thousand baht simulator

(28/07/2021)

• Casual

One thousand baht simulatorTo see 1,000 Thai baht in your daily life

One Thousand Lies

(23/04/2016)

• Casual
• Singleplayer
• Indie

One day, Ciarán starts receiving enigmatic emails from a mysterious sender, turning his everyday life into a mess of a romantic comedy with psychological themes mixed in. What lies beyond the mystery he's been presented with? In the words of Harry H.: "If you want to know the truth, go find it".

One Tower

(09/11/2016)

• Casual
• Strategy
• Early-Access
• Multi-player
• PvP
• E-Sports
• Indie

One Tower is a fast-paced head-to-head MOBA pitting two players against each other in epic duels of strategy and skill. Players unleash customized minion waves, command powerful Heroes, and cast potent spells to defend their stronghold against enemy marauders or invade new lands to take down their opponent's tower.

One Troll Army

(18/05/2016)

• Casual
• Strategy
• Multi-player
• Indie

Play as a giant troll in One Troll Army - a defense game about building forts, upgrading your troll, and fighting off waves of enemies. Play Against The Twitch Chat!

One True Cuddle

(01/09/2020)

• Action
• Platformer

A top-down platformer where you play as a rabbit that's kidnapped, to avoid all obstacles and find your way back to your owner. But... *something else is happening*

One True Hero

(19/10/2022)

• Action
• Adventure
• Singleplayer
• Action-Adventure
• Platformer
• Indie

One True Hero is an epic 3D platforming adventure featuring a young hero who can barely save himself! Explore ancient ruins, defeat an army of evil minions and unravel the mystery of the sinking town!

One True Path - Part 1

(20/02/2025)

• Action
• Adventure
• Action-Adventure
• Puzzle
• Shooter
• VR

A genre-bending VR adventure combining shooter, swordfighting and puzzle gameplay. YOU, ADVENTURER are drawn into the imaginary worlds of renowned gamebook author Jack Stevenson on a fantastical dimension-hopping journey to uncover the dark secrets behind his last masterpiece…

One Try, One Kill

(27/04/2020)

• Action

One try, one kill - a gory TDS game, in which you must clean the areas of ruthless mercenary. The game is a top-down so you could view the battle situation as it's best.

One Try Tower

(06/06/2021)

• Adventure

One Try Tower is a reaction-based roguelike horror sidescroller. It's up to you to take on the challenge of descenting its many floors filled with enemies and obstacles to save yourself.

One Turn Kill

(01/01/2025)

• Strategy
• Card-Game

One Turn Kill is a PvE card game where card drawing and deck control are the keys to victory. Engage in battles limited to a single turn for an exhilarating, suspenseful experience.Join the protagonist in a pixel art wasteland to face off with the strongest of enemies and see what story awaits.

One Way Flight

(21/04/2016)

• Casual

You are trying to survive alone on an uninhabited island after a mystical air crash. First of all, you gather the remaining stuff and wait for the rescuers. After several days of waiting in vain you begin an exploration of the are, building a shelter, and gathering food.

One Way Heroics

(27/02/2014)

• Adventure
• Singleplayer
• RPG
• Simulation
• Indie

Across all dimensions, the only constant is Darkness! A procedurally generated RPG-roguelike journey across the multiverse! In One Way Heroics, you take on the role of an intrepid adventurer who must travel across the land and face the Demon Lord before a mysterious darkness engulfs everything.

One Way Road: Firehunt

(28/05/2024)

• Action
• Adventure
• Arcade
• Indie

Firehunt is a prologue for the main story One Way Road. Take part in space battles as you travel across the galaxy and fight to save humanity. This cinematic narrative driven action-focused space shooter, will take you on a journey into the near future, and put the destiny of mankind in your hands.

One Way: The Elevator

(12/08/2020)

• Casual
• Singleplayer
• Puzzle
• RPG
• Simulation
• Remote-Play

One Way: The Elevator is a creative point-and-click game developed by CottonGame. You need to find a blue sphere in each scene to power an elevator to travel upward.

One-Way Ticket / 单程票

(23/10/2018)

• Casual
• RPG
• Simulation

One-Way Ticket is a visual novel loosely based around actual events. A group of men and women, isolated at sea on a long-distance fishing vessel, suddenly find their very humanity at stake as crew members begin turning up dead.

One Way To Die

(31/08/2015)

• Adventure
• Casual
• Survival
• Beat-em-up
• Indie

After waking from a terrifying dream of your own untimely death, you attempt to make your way to the Finnigan Brothers' Fun Park for its last day then back home again. It's like playing Russian roulette with five chambers loaded, but more frustrating.

One Way To Exit 2

(23/09/2021)

• Casual
• Arcade
• Puzzle
• Indie

Move forward or backward in search of an exit, but remember: if you start moving, you will not be able to stop.                           Take bonuses, destroy obstacles and bosses, but in no case touch them or the walls, otherwise you will have to start from the beginning.

One Week By Car

(21/07/2022)

• Casual
• Arcade

Explore a small, story-rich world reflecting the struggles of college life. Play mini-games to complete the everyday tasks that you need to survive. Eventually, try to find a way to break the cycle of monotony and escape your bleak surroundings.

One Week With The Mafia

(03/11/2023)

• Adventure
• Indie

After a misuse of your home address, and the general incompetence of an old friend, you find yourself stuck with the Italian mafia hunting you down. In this parody of Scott Cawthon's "Five Nights at Freddy's", it is up to you to stop the mafia from wasting you.

One Wheel Guy

(29/11/2022)

• Action-Adventure
• Arcade
• Sports

One Wheel Guy is a fun and challenging platforming game where you control a guy on a unicycle and try to guide him to the goal at the end of each level.

One Wild Futa Nightclub

(01/03/2025)

You get to explore a futa nightclub.

One Wish

(05/06/2018)

• Puzzle
• Indie

Сlassic indie horror for one evening. The game has no tips, you need to solve all the puzzles yourself and avoid the monster that wants to devour your soul. Therefore, you need to be very careful and attentive to escape from the nightmare.

One4

(01/06/2021)

• Casual
• Strategy
• Multi-player
• PvP
• Board-Game
• Indie

Beat the AI, or your friend in this massively puzzling game in the cubes

OneBit Adventure

(18/08/2022)

• Adventure
• RPG
• Simulation

OneBit Adventure is a casual turn-based roguelike where you adventure as far as possible to level up and battle against rogue monsters. Your primary goal in OneBit Adventure is to survive and loot. Choose from a variety of classes and build the ultimate class.

Onechanbara Z2: Chaos

(01/06/2016)

• Action
• Beat-em-up
• Remote-Play

Onechanbara Z2: Chaos is the latest entry in the Onechanbara series. Two sets of buxom vampire sisters battle through over a dozen stages of high-octane real-time swordplay. Fight off the invasion in gruesome detail, occasionally transforming into a demon for short bursts of added power and speed.

OnecoinEngineer FC Volume 1

(31/07/2022)

Easy to understand and easy to learn game programs ◆ Forest Crush I will teach you how to make an actual released app, Forest Crush as a subject. You can learn everything from the start screen to completion while showing the screen of Unity