Otaku Miracles

(20/03/2025)

• Adventure
• RPG
• Simulation

A story about you, an anti-social Otaku who is a student at Ashikaga Academy, a very traditional private high school in Japan. Suddenly, you awaken in a place called the Spirit Realm and are tasked with saving the world! How? Well, with the help of your friends of course!

Otaku's Adventure

(19/05/2019)

• Adventure
• Singleplayer
• Puzzle
• RPG
• Simulation
• Indie

"Otaku's Adventure" is a different kind of AVG.The story tells of an Otaku who has been single for many years and thirst for love. While he inadvertently embarks on a fantastic journey, he eventually wins girls' love. The game combines storytelling with alternative TAKAGISM, and mini-games.

Otaku's Rage: Waifu Strikes Back

(22/02/2021)

What if this whole world of humiliation and suffering was just a nightmare? And instead, you are the Hero of the World of Waifu.

Otawamure

(17/07/2019)

"Otawamure" is a Japanese word meaning "to play around, to fool around or to toy with". Play with tender objects in this virtual space and experience “otawamure” for yourself.

Otem's Defiance

(24/04/2016)

• Action
• Platformer
• Indie

You play as Otem, a child who has been chosen as a sacrifice to the gods of his tribe. As they materialize in the center of the ring-shaped arena, you must dodge their attacks and fight back to survive the ritual and uncover the secrets of this gruesome tradition lead by the mysterious Shaman.

Othello

(18/03/2015)

The classic abstract strategy game comes to Steam! Othello is an ageless game that takes a minute to learn and a lifetime to master. Place tiles surrounding your opponents tiles to flip them to your color. Get to the end with more tiles of your color and you are the winner!

Othello 2018

(20/06/2018)

• Casual
• Indie
• Remote-Play

The classic version of the famous board game Othello.

Othello Let's Go

(18/08/2020)

• Casual
• Singleplayer
• Strategy
• Multi-player
• PvP
• Board-Game
• Co-op
• Remote-Play

Othello Let's Go is a beautifully designed strategy board game for all ages. A total of 8 levels of computer AI difficulty, suits for both beginners and experts! More than 100 carefully selected Endgame and Lights Out levels are waiting for you to solve!

Othello：Daynight Time Clash

(12/06/2022)

• Casual
• Strategy
• RPG
• Simulation
• Early-Access
• PvP
• Board-Game
• Sports

Transcending time and space -- Nymphs from all dimensions, emerge and engage!Let's Othello!

Other

(23/06/2022)

• Action
• Casual
• PvP
• Board-Game
• Card-Game
• Indie

Challenge your friends in Other ! Collect 5 letters to eliminate your opponents, be the last player alive to win !

Other Realms: Dwarves & more Dwarves

(24/10/2021)

• Adventure
• Casual
• Strategy
• Multi-player
• Open-World
• PvP
• Survival
• Building
• FPS
• Sandbox
• Massive-Multiplayer
• Indie

Other Realms: Dwarves & more Dwarves is a dwarves based survival multiplayer game. Craft and build your kingdom piece by piece for your dwarves. Set foundations, forge devices and conquer your dwarven realm.

Other Side Of Mist And Mountain

(27/03/2024)

• Adventure
• Puzzle
• RPG
• Simulation
• Indie

In 2005, a sophomore student named Maha Igarashi boarded a private train to Soukyo City. However, she vanished upon alighting at the "Kisaragi" station. Five years later, her lover, Shizuno Yokoyama, initiated an investigation into her disappearance, unraveling a series of mysteries along the way.

Other Submarine

(03/10/2019)

• Puzzle
• Indie

Trapped at the bottom of the ocean, you only have your trusty flashlight and a reliable submarine. Can you reach the surface before what lies beneath takes you?

Other Worlds India

(19/01/2017)

• Action
• Adventure
• Casual
• Action-Adventure
• Early-Access
• Multi-player
• Open-World
• Platformer
• Sandbox
• Indie

Pure metroidvania game, adventures, secret locations, tons of weapons, and of course hardcore gameplay.

Othercide

(26/07/2020)

• Singleplayer
• Strategy
• Indie

As Humanity’s last hope, lead your army to combat in an intricate dance of spectacular actions and counters, using an original Dynamic Timeline System, and face fearsome bosses in epic battles.

Otherlights

(28/10/2024)

• Action
• Adventure
• RPG
• Simulation
• PvP
• Co-op
• Remote-Play

Otherlights is an action-RPG game with roguelike tendencies designed for 1 to 4 players. In this sunless world, unlock many heroes and develop their destinies to try to access the solar fragment guarded by the powerful Exharques.

Otherplane

(24/10/2024)

• Action
• Puzzle
• Early-Access
• Multi-player
• Co-op

Reports of paranormal activity have been creeping up across the nation. You and your team have been instructed to investigate. Explore and solve puzzles, all whilst avoiding deadly horrors from the Otherplane.

Otherwar

(26/02/2023)

• Singleplayer
• Strategy
• Building

OTHERWAR is an surprising mash-up of Tower Defense & Bullet Hell games. Build and manage fortifications to defend the Gate of Heaven against the Hordes of Hell, while soaring over the battlefields as the defender Angel, and meet the monsters in direct combat!

Otherwise

(21/12/2024)

• Action-Adventure
• Survival
• FPS
• Sandbox

Welcome to a unique world!"Otherwise" is an exciting survival game filled with secrets and dangers.Here you can explore mysterious locations and encounter many monsters living in this universe.Do your best and get out of the depths of darkness!

Otherworld Legends 战魂铭人

(29/10/2024)

• Action
• Singleplayer
• RPG
• Simulation
• Multi-player
• Co-op
• Indie

A "blood-pumping, face-bashing" roguelike brawler. Master heroes of your choice, craft uniquely broken builds, and hack & pummel through a myriad of dungeons in a thrilling rampage.

Otherworld: Omens of Summer Collector's Edition

(05/02/2017)

• Adventure
• Casual

Dark magic threatens our world! Can you stop the Shade and his minions before it's too late?

Otherworld: Spring of Shadows Collector's Edition

(02/06/2016)

• Adventure
• Casual

Save a lost girl!

Otherworldly Air Gunship

(16/01/2025)

• Action
• Singleplayer
• Multi-player
• FPS
• Indie

This is a fun shooting game that includes tower defense elements. You will control an air gunship equipped with three main types of weapons and several powerful special weapons. And leap your army to defeat thousands of monsters from other worlds.

"Otherworldly: Beginning of the Rift" Pre-Alpha

(15/09/2024)

• Action
• Action-Adventure
• Open-World
• Shooter
• Survival
• FPS
• Sandbox

Is an immersive adventure that challenges you to explore unknown dimensions, solve intricate puzzles, and make choices that impact the unfolding mystery. Dive into the unknown, uncover hidden secrets, and prepare for an experience that could change everything you thought you knew.

Otiiz's adventure 2

(28/05/2019)

• Casual
• Strategy
• RPG
• Simulation
• Indie

Otiiz's Adventure 2 is a RPG card game. Recently, there have been frequent incidents in which villagers have been attacked by strange robots. Player can explore the town together with our protagonist, Otiiz. And discover the secrets of the town with the his friends, start the combat training to defend the town!

Otiiz's adventure - Sushi Champ

(17/12/2018)

• Casual
• RPG
• Simulation
• Indie

Otiiz spends all his money and is driven out. His friend suggests that he joins the big eater competition held by the sushi restaurant. As long as he wins, he can get the bonus of the best. Let's help him get the victory

Otok

(23/07/2023)

• Casual
• Sandbox
• Indie

This is a very chill Sandbox "City Builder", No Goals, just build your island as beautifully as you can with the given buildings.

Otokiyome

(04/04/2023)

• Adventure
• Action-Adventure
• Indie

A bizarre horror adventure based on the original idea of VTuber "Shirakawa Yuri". Explore a village in the middle of the night and place a PC in a designated spot to purify the sound. A monster appears and attacks to destroy the PC, so escape while protecting the PC.

Otoko Cross: Pretty Boys Breakup!

(02/05/2023)

Meet a diverse cast of 9 cute crossdressing characters as they challenge you in brick-breaking arcade action! Score points to unlock new outfits for your companions in this this celebration of Japanese "otokonoko" style and sub-culture.

Otoko Cross: Pretty Boys Dropout!

(24/05/2023)

Meet a diverse cast of 9 cute crossdressing characters as they challenge you in block-sliding puzzle action! Score points to unlock new outfits for your companions in this this celebration of Japanese "otokonoko" style and sub-culture.

Otoko Cross: Pretty Boys Klondike Solitaire

(13/07/2022)

Meet 5 cute cross-dressing characters as they challenge you to classic solitaire! Win with the cards you're dealt and unlock new outfits for your companions in this this celebration of Japanese "otokonoko" style and sub-culture.

Otoko Orgy at Maid Boy Manor

(01/02/2024)

Your parents are away and it’s time to play! You can finally get your grubby little hands on the sweet and soft maids that work in your mansion, only to find out that these pretty maids are actually… boys?! Well… It’d be a shame NOT to try out their tight little bussies, right?!

Otokomizu～漢水～

(27/02/2019)

• Action
• Singleplayer
• Action-Adventure
• Super-Hero

Hovering in the sky over Edo City with a loincloth! A jet pack firefighting 3D action feelinggame with the most mysterious operation ever!

Otokonoko Fishing

(11/07/2024)

• Action
• Adventure
• Beat-em-up

"Otokonoko Fishing” is a dual fishing action game where you can enjoy two types of fishing in one game. Fish in rivers and oceans, and "fish for men" on land while dressed as a woman. Enhance your fishing gear and outfits, and aim for the fishing grounds where the strongest monster fish live!

Otome * Domain

(21/12/2022)

• Adventure
• Singleplayer
• Survival

An inconveniently orphaned young man must attend an all-girls school just to survive in this comedy visual novel. His housemates took him in when he was in trouble, but now he doesn't know who's taking care of who...!

Otome Legends

(07/02/2023)

• Singleplayer

Play a dating sim inside of a dating sim to become an otome heroine protagonist. Nothing can possible go wrong... right?

Otome Romance Jigsaws - Midnight Cinderella & Destined to Love

(26/02/2017)

"Otome Romance Jigsaws - Midnight Cinderella & Destined to Love" is a jigsaw puzzle game featuring many illustrations of "Midnight Cinderella：Ikémen Royal Romances" and "Destined to Love: Ikémen Samurai Romances" those are very popular Otome romance novel games in Japan.

Otome the Exorcist

(20/08/2020)

• Singleplayer
• RPG
• Simulation

When the city of Himori is struck by nests of terrifying Voracites, the only ones who can counter the scourge are individuals known as Exorcists.

Otter Space Rescue

(26/08/2019)

• Arcade
• Shooter

Your Otter Space crew has been captured by evil robots. Save your team and fight together through endless rooms of evil robots.

Otteretto

(27/01/2022)

• Casual
• Singleplayer

A game about palindromes (and otters). Compete for high scores and discover new gameplay twists as you explore the surprising depths of this fresh new puzzle mechanic.

Otti: house keeper

(24/08/2020)

• Casual
• Arcade
• Puzzle
• Building
• Indie

The mix of tower defense and puzzle, use traps to defend the house. Great designed levels, a bunch of traps, and mechanisms choose how you will defeat them!

Otto's Escape

(10/04/2024)

• Action
• Arcade

Help Otto escape a tall tower by individually controlling his jetpack's two boosters to steer and climb your way though 20 hazard-filled floors. Just try not to run out of fuel along the way!

OTTTD

(05/08/2014)

• Action
• Strategy
• Arcade
• RPG
• Simulation

Take command of HEROCORP™ and launch a Preemptive Defence Campaign™ against parallel dimensions in OTTTD, the most outrageous Tower Defence title around.

OTXO

(19/04/2023)

• Action
• Singleplayer
• Shooter
• Survival

Enter an inexplicable, abstract mansion to rescue a loved one in this fast-paced, brutal, and dark roguelite filled with precise but savage gunplay and time-bending slow motion. Face your inner demons and unveil the secrets of the Mansion.

OU

(29/08/2023)

• Adventure
• Action-Adventure

"Between something and someone." U-chronia is a mysterious world constantly changing like a book whose pages are flipped out of order. You will wear the shoes of OU, the protagonist, to live through this game-shaped experience—without knowing what it really is.

OUBEY VR – Cosmic Voyage

(10/08/2020)

• VR

Inside the art - Cosmic Voyage This VR takes you on a cosmic journey through the universe of OUBEYs paintings. Starting on Earth you are led into the far distant depths of space and back...

OUBEY VR – Reise der Monaden

(10/08/2020)

• Singleplayer
• Indie

Inside the art – Reise der Monaden This VR takes you to the very centre of the monad universe where you’re totally surrounded by the enchanting diversity of the painting’s elements. And you can touch these elements too, play with them, fly them and let them cavort freely through the depths of space.

OUBEY VR - Samurai

(05/08/2020)

• VR
• Indie

Inside the art - Oubey Samurai In this VR you’re in a tight space surrounded by the deep red of the painting. Discover “the picture behind the picture” whilst also leaving your own tracks in the painting.

Ouija Escape VR

(14/08/2024)

• Casual
• Action-Adventure
• VR
• Indie

BEWARE THE EVIL THAT IS OUIJA. now you must escape the evil and save your soul before its to late. experience the scares and the dark truth behind what happened. each question you ask the board, you might not like the answers can you survive the terror.

OUMUAMUA

(03/03/2024)

• Action
• Casual
• Arcade
• Shooter

Use quick reflexes and sharp aim to simultaneously blow up enemies and block alike in this satisfying retro style action brick breaker! The third installment in the Game Buddy series that faithfully recreates the look, sounds, and feel of classic late 80's handheld games!