Linux

Oil Rush

Unigine Holding · 2012

Okhlos: Omega

Devolver Digital · 2016

Old Skies

Wadjet Eye Games · 2025

Old World

mohawk games · 2021

Olga Doesn't Die

4noki · 2026

OlliOlli

Roll7 · 2014

OlliOlli2: Welcome to Olliwood

Roll7 · 2015

Omen Exitio: Plague

Tiny Bull Studios · 2018

Omnibus

Buddy Cops, LLC · 2016

On Christmas He Will Return Home

But Wholesome Games · 2024

On Donuts and Holes

Yokaze · 2026

On Rusty Trails

Black Pants Game Studio · 2016

On Wings Bringing Sleep

Studio Élan · 2024

OnTheFrontLine

Conglomerate 5 · 2016

Once On a Windswept Night

Ebi-Hime · 2016

Once Upon a Throne of Thorns

Ebi-Hime · 2026

One Dog Story

Big Way Games · 2017

One Eyed Kutkh

Baba Yaga Games · 2017

One Hour One Life

Jason Rohrer · 2018

One Lonely Outpost

Freedom Games · 2025

One More Dungeon

Stately Snail · 2015

One More Line

SMG Studio · 2014

One Night Stand

Lucy Blundell · 2016

One Night, Hot Springs

npckc · 2018