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Displaying 4550 - 4600 games out of 7571 games
Online Adult Content Manager
Kink Master Studios
📅 12 May, 2021
Online Adult Content Manager (OACM) manages and organises your online adult content. Save links to your favourite videos, images or any other content in one convenient location. The best way to organise your online adult content is now on Steam!
Online Obsession
sourmilk
📅 Coming soon
Have you ever had an online friend? What if you were to meet them in real life? Can you be sure that nothing will go wrong? Find out in this horribly adorable experience.
ONRAID
Pragmatix Ltd
📅 29 Aug, 2016
Onraid is a challenging 2D shooter game, where you are free to develop your own play style and tactics to destroy your enemies.
Onward and Upward! DX
Travis Foster
📅 6 Feb, 2024
Climb from the Earth to the Moon to try and solve an urban legend! Brave tough challenges as you float and grapple your way up to the tune of a great soundtrack! Be sure to bring a space suit, and get climbing!
OOZEscape
Team Ooze
📅 17 Feb, 2022
Jump through obstacles as Ooze in this challenging 2D platformer where you can push your skills to the limit.
Open Hexagon
Vittorio Romeo
📅 2 Nov, 2021
Four buttons, one goal: survive. Are you ready for a real challenge? -- Become the best and climb the leaderboards in Open Hexagon, a fast-paced adrenalinic arcade game that's easy to learn but hard to master!
Open Sorcery: Sea++
Abigail Corfman
📅 January 2021
You wake up at the bottom of the ocean, surrounded by your broken memories. Reclaim and compile your magic or drown in a sea of dreams.
Open Spaces SE
Queenship Game Studio
📅 4 May, 2023
Skylar is an student with anxiety. Walter is a farmer with social anxiety and PTSD. Jessica is a programmer with anxiety and agoraphobia. Li Wei is an technologist with intense anxiety. Navigate their stories, learn how they move through the world, and about methods of treatment and recovery.
OpenTTD
OpenTTD
📅 1 Apr, 2021
OpenTTD is a business simulation game in which players earn money by transporting passengers and cargo via road, rail, water, and air. It is an open-source remake and expansion of the 1995 Chris Sawyer video game Transport Tycoon Deluxe.
Operation Citadel
Valentin Lievre
📅 5 Mar, 2020
Hex of Steel is a refreshing WWII wargame covering all fronts featuring a certain amount of original mechanics. Fight in solo against finally a decent AI throughout Europe, Africa or the Pacific, or against a friend in the cross-platform PBEM or real time multiplayer. Coop is also an option!
Operation Deep Magic: Cryptanalysis
1013133 Simulations
📅 21 Jan, 2020
Reconnaissance operatives infiltrated a corporate building and extracted electronics and files encrypted with 56-bit DES. Items were handed over to you, the cryptanalyst. Your mission is to decrypt the files.
Operation S.T.E.E.L.
Undermog Games
📅 Late 2021
Operation STEEL is a roguelike shoot-em-up rendered in hand-drawn art. Blow up loads of enemies, destroy huge bosses, find weapons, and upgrade your load-out between levels. Combat the electronic legion across 20+ procedurally generated levels!
Operation Sexy Sudoku
Operation Sexy Sudoku
📅 Q4 2021
Solve puzzles to release two dimensional girls from their misty curse. Gather your team of mental gymnasts to aid you on your quest. Bring your friends to tackle unlimited variations of sudoku puzzles.
Operation Thunder
Flashblack Games
📅 30 Sep, 2021
Operation Thunder is a top-down shooter with a tactical twist and destructible walls. Use your guns, gadgets and wits to outsmart your enemies and become a hero. Good luck, Soldier.
Opollo
Planetary Gears
📅 Coming soon
Little Minimalist Arcade High Score Chaser with 200+ Vehicle combinations.
Oppai Muse
Oppai Reveal Studios
📅 18 May, 2020
Discover your perfect MUSE amidst music beats! This is a simple SUPER CASUAL rhythm game, full of colors and beauties! Collect stars and obtain HEARTS from women! Seek your path to the perfect date! Just remember - Girls will be listening. So don't step on her feet...
Oppai Puzzle L
GentleDriver
📅 21 Jul, 2022
It's been a busy day. Now, relax your body and come this way. Let the elder sister come to comfort your body after a long day
Oppai Samurai: Knocked up by a No Name Novice
Miel
📅 19 May, 2023
She's got the bounciest boobs and the juiciest ass he's ever seen, and he has the biggest cock she's ever laid eyes on. It's a match made in heaven as the legendary Oppai Samurai gets dicked down and trains to become an even more legendary cock sleeve!
Oppaidius Desert Island!
Vittorio Giorgi (SbargiSoft)
📅 27 May, 2021
W-w-w-whaaaaat...? I'm on a desert island, alone with Angela... NAKED...? Discover what happens next in this original visual novel!
Ops
Pete DeSimone
📅 August 2024
Defend Earth from hostile aliens and hungry chupacabras in this modern classic arcade game. Created by a couple of real life VLA Operators!
Opus Cortex: A Nonogram Puzzle Story
Rainier Interactive
📅 To be announced
Opus Cortex is a nonogram puzzle game with captivating story and a cast of wonderful characters. You are an AI who wakes up in an unknown location, your memory chip damaged and unreadable. In the meantime, the world faces great dangers. Will you find out what happened?
Opus Magnum
Zachtronics
📅 19 Oct, 2017
Opus Magnum is the latest open-ended puzzle game from Zachtronics, the creators of SpaceChem, Infinifactory, and SHENZHEN I/O. Design and build machines that assemble potions, poisons, and more using the alchemical engineers most advanced tool: the transmutation engine!
Oracle of Meles
LuxCor Studios
📅 Coming soon
An ancient prophecy, a chosen one? Shoot your way through an evil castle, collect powerful artifacts, and defeat the evil king. Explore this 2D hand-drawn world full of magic and monsters where nothing is as it seems.
Orange Santa
Anamik Majumdar
📅 8 Jan, 2021
Orange Santa is a 2D Christmas-Themed Platform Action game based on the story of Orange Santa who is in-charge of the distribution of the Christmas gifts among the children.
Oratorio
Orebody Inc
📅 Coming soon
Oratorio is a rhythm action rail-shooter with an authentic 8-bit aesthetic that takes place in a dystopian cyberpunk future. As the enigmatic environmental hacker named Oratorio, players are the last hope for revival in a world run by evil mega corporations amidst a digital ruin.
Orb Tower
Pierre Vandermaesen
📅 Q1 2025
A Roguelike Bubble Puzzler! Choose your school of magic and reach the top of the tower! Chill pick up and play feel and nostalgic pixel art and music. Get your staff and prepare to shoot orbastical spells !
Orbital Gear
Night Node
📅 Aug 7, 2014
Orbital Gear is a fast paced sidescroller shooter where you utilize the gravitation of celestial objects to give you momentum through space. Arm your Mech with two of the twelve different weapons and destroy your enemies.
Orbstack
Jesus Rugarcia
📅 Q4 2024
Stack your cards to cast spells, get resources and recruit allies in OrbHand, a beautiful hand drawed card management game.
orbt xl
Nickervision Studios
📅 Coming Soon
Defy gravity in Orbt XL! A fast-paced, addictive, 'just-one-more-round' arcade score chaser. Stay in orbit, dodge obstacles, and rack up pointsthe closer you are to the black hole, the higher your score! Easy to learn, tough to master, and perfect for quick play sessions while waiting in queue.
Orc Covenant: Gay Bara Orc Visual Novel
Y Press Games
📅 Q4 2023
Gorgeously illustrated, Orc Covenant is a sextacular romp into a fantasy realm full of sultry elves and beefy well-endowed orcs!
Orc Survivor
TitanCrestGames
📅 21 Jun, 2024
Vanquish thousands of enemies in this class-based action roguelite. Collect experience, level-up, and evolve your weapons to gain overwhelming power. Complete quests to unlock persistent bonuses and weapon modifiers for your next run. Will you conquer or become just another forgotten casualty?
Organ Trail: Director's Cut
The Men Who Wear Many Hats
📅 Mar 19, 2013
Organ Trail is a retro zombie survival game. Travel westward in a station wagon with 4 of your friends, scavenging for supplies and fending off the undead. Members of your party might die of dysentery or you might have to put them down yourself when they get bit.
Origami Flight
Whalesoft Entertainment
📅 1 Apr, 2019
Origami Flight is a sidescrolling 2D shoot' em up where you control a paper airplane with a simple but challenging mission: to save the Origami World. Now you must beat 6 different stages with tons of enemies in order to save the Tsuru from the evil Origami Fox.
Orion's End
Southfog Games
📅 Coming soon
Orions End is space trading life sim. Trading, smuggling, pirate hunting, or pirating. Be a hero or a rogue. But also be a friend - there are residents on each planet who need someone like you to talk to, help them with quests, or to just gift them with loot from your adventures.
Oroboro
Grzegorz Gajewski
📅 Coming soon
Explore an open world and fight foes for loot and resources in a 2D side-scroller action RPG. Then return and share with your friendly NPCs, manage relationships, gossip, progress skills, and rebuild the destroyed town.
Orpheus: Fall For Eurydice
Astroreef
📅 Falling In 2021
Challenge yourself to save the love of your life in Orpheus: Fall For Eurydice! Embark in this grueling journey to hell and show Hades who's the boss by jumping right into his lair and defeating all of his deadly traps! Or, can you?
OS:Memories
BASI Studios
📅 4 Feb, 2022
You were just the owner of an office, but something piqued your curiosity. Understand what happened to Andy by browsing through his most personal archives and memories. OS: Memories is a short and engaging storyline about the everyday life of a game developer.
OS:Path
GooDCrafter
📅 19 Apr, 2018
Small but tricky indie game to spend your evening on playing. You'll have to determine the cause of a program's critical error and restore its modules by playing mini games and solving puzzles while using the console.
OscarWildeCard
Up Mulitmedia
📅 12 Oct, 2022
He loves dinner parties. He doesn't love you. A most amusing card game.
Oscura: Lost Light
Chocolate Liberation Front
📅 Feb 24, 2015
Oscura, the apprentice lighthouse keeper, has destroyed the Aurora Stone, sending shards across the Driftlands and plunging them into darkness and danger. Its up to Oscura to find the shards of the stone and restore light to the Driftlands before creatures of the dark can destroy it.
Osiris Quest
J. Varga
📅 March 2025
Play as Horus in Osiris Quest, a retro-inspired 2D platformer set in mythological Egypt. Recover Osiriss scattered remains and defeat the evil Seth to reclaim the throne. With pixel art, tight platforming, and a 16-bit soundtrack, experience a nostalgic journey built by a solo developer.
Osmos
Hemisphere Games
📅 Aug 18, 2009
Enter the ambient world of Osmos: elegant, physics-based gameplay, dreamlike visuals, and a minimalist, electronic soundtrack. Your objective is to grow by absorbing other motes. Propel yourself by ejecting matter behind you. But be wise: ejecting matter also shrinks you.
Ostallian Core
Quixotic Worx
📅 Q2 2024
A modern omnidirectional space shooter with colorful retro-style ASCII art and light RPG elements, featuring optional permadeath.