| 1 |
Operation Wolf Returns: First Mission
|
2023 |
| 24 |
Operative: No One Lives Forever, The
|
2000 |
| 7 |
Operencia: The Stolen Sun
|
2019 |
| 2 |
OPUS: Echo of Starsong
|
2021 |
| 2 |
Opus Magnum
|
2017 |
| 2 |
OPUS: Rocket of Whispers
|
2017 |
| 2 |
OPUS: The Day We Found Earth
|
2015 |
| 4 |
Orange Box, The
A video games compilation
|
2007 |
| 3 |
Orange Cast: Sci-Fi Space Action Game
|
2021 |
| 1 |
Orbital Bullet
|
2022 |
| 2 |
Orbital Gear
|
2014 |
| 3 |
Orbitor
|
2015 |
| 1 |
Orborun
|
2013 |
| 1 |
Orc Slayer
|
2015 |
| 9 |
Orcs Must Die!
|
2011 |
| 5 |
Orcs Must Die! 2
|
2012 |
| 8 |
Orcs Must Die! 3
|
2020 |
| 1 |
Orcs Must Die! 3: Cold as Eyes
A content pack (DLC) for Orcs Must Die! 3
|
2021 |
| 1 |
Orcs Must Die! 3: Tipping the Scales
An expansion for Orcs Must Die! 3
|
2022 |
| 2 |
Orcs Must Die! Artifacts of Power
A content pack (DLC) for Orcs Must Die!
|
2011 |
| 2 |
Orcs Must Die! Lost Adventures
A content pack (DLC) for Orcs Must Die!
|
2011 |
| 13 |
Orcs Must Die! Unchained
|
2017 |
| 1 |
Орда 2: Цитадель
|
2001 |
| 1 |
Орда: Северный ветер
|
1999 |
| 70 |
Order: 1886, The
|
2015 |
| 2 |
Order & Chaos 2: Redemption
|
2015 |
| 2 |
Order & Chaos Online
|
2011 |
| 1 |
Order of Battle: Allies Resurgent
An expansion for Order of Battle: Pacific
|
2021 |
| 1 |
Order of Battle: Morning Sun
An expansion for Order of Battle: Pacific
|
2016 |
| 7 |
Order of Battle: Pacific
|
2015 |
| 1 |
Order of Battle: U.S. Marines
An expansion for Order of Battle: Pacific
|
2016 |
| 2 |
Order of Battle: Winter War
An expansion for Order of Battle: Pacific
|
2016 |
| 2 |
Order of the Thorne: The King's Challenge
|
2016 |
| 1 |
Order of War
|
2009 |
| 2 |
Oregon Trail, The [I/1982]
|
1982 |
| 7 |
Oreshika: Tainted Bloodlines
|
2014 |
| 1 |
Organ Biker
|
2015 |
| 2 |
Organ Trail: Director's Cut
|
2012 |
| 2 |
Organic Panic
|
2016 |
| 1 |
Organs, Please
|
2023 |
| 130 |
Ori and the Blind Forest
|
2015 |
| 77 |
Ori and the Will of the Wisps
|
2020 |
| 35 |
Oriental Empires
|
2017 |
| 1 |
Oriental Empires: Genghis
An expansion for Oriental Empires
|
2018 |
| 1 |
Oriental Empires: Three Kingdoms
An expansion for Oriental Empires
|
2019 |
| 2 |
Original Journey
|
2017 |
| 5 |
Original War
|
2001 |
| 1 |
Orion: A Sci-Fi Visual Novel
|
2015 |
| 3 |
Orion Trail
|
2015 |
| 6 |
Orphan
|
2018 |
| 4 |
Orwell: Ignorance Is Strength
|
2018 |
| 25 |
Orwell: Keeping an Eye on You
|
2016 |
| 9 |
Orwell's Animal Farm
|
2020 |
| 1 |
Orx
|
2023 |
| 10 |
Osiris: New Dawn
|
2023 |
| 3 |
Osmos
|
2009 |
| 2 |
Ostranauts
|
2022 |
| 1 |
Ostrich Island
|
2015 |
| 5 |
Other 99, The
|
2017 |
| 24 |
Othercide
|
2020 |
| 2 |
Otherland
|
2016 |
| 2 |
OTTTD
|
2014 |
| 8 |
Our Darker Purpose
|
2014 |
| 2 |
Our Love Will Grow
|
2015 |
| 7 |
Oure
|
2017 |
| 2 |
Out of Line
|
2021 |
| 3 |
Out of Reach
|
2015 |
| 1 |
Out of Space
|
2020 |
| 1 |
Out of the Park Baseball 10
|
2009 |
| 1 |
Out of the Park Baseball 11
|
2010 |
| 1 |
Out of the Park Baseball 12
|
2011 |
| 1 |
Out of the Park Baseball 13
|
2012 |
| 1 |
Out of the Park Baseball 14
|
2013 |
| 1 |
Out of the Park Baseball 16
|
2015 |
| 1 |
Out of the Park Baseball 17
|
2016 |
| 1 |
Out of the Park Baseball 20
|
2019 |
| 1 |
Out of the Park Baseball 23
|
2022 |
| 36 |
Out There
|
2014 |
| 2 |
Out There Chronicles
|
2016 |
| 8 |
Out There: Oceans of Time
|
2022 |
| 3 |
Out There Somewhere
|
2012 |
| 1 |
Outbreak Island
|
2024 |
| 1 |
Outbuddies
|
2019 |
| 16 |
Outcast
|
1999 |
| 2 |
Outcast 2: The Lost Paradise
|
2002 |
| 23 |
Outcast: A New Beginning
|
2024 |
| 35 |
Outcast: Legacy of the Yods
|
|
| 8 |
Outcast Odyssey
|
2014 |
| 49 |
Outcast: Second Contact
|
2017 |
| 1 |
Outcasters
|
2020 |
| 32 |
Outer Wilds
|
2019 |
| 1 |
Outer Wilds: Echoes of the Eye
An expansion for Outer Wilds
|
2021 |
| 179 |
Outer Worlds, The
|
2019 |
| 38 |
Outer Worlds 2, The
|
2024 |
| 10 |
Outer Worlds: Murder on Eridanos, The
An expansion for Outer Worlds, The
|
2021 |
| 11 |
Outer Worlds: Peril on Gorgon, The
An expansion for Outer Worlds, The
|
2020 |
| 4 |
Outer Worlds: Spacer's Choice Edition, The
A video games compilation
|
2023 |
| 4 |
Outernauts
|
2014 |
| 1 |
Outerverse
|
2022 |
| 1 |
Outfit, The
|
2006 |