O'NEILL, WILL
ACTUAL SUNLIGHT , 2013
OCCULT GAMES
MENTAL HOUSE , 2019
OCEAN SOFTWARE
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOJ-d85LkRoeBDP0jX4qkH1gMlXW75X2ODAHS9eH8rTRDzoUkIbSKwqjzYJqSbkoYHM2a9_FDvAMoDhRBo1GgPPc8vkuVeqfpumCCBrUcyqoqWQgoHkHVLeUSKUg91CcG0_i2ZbTjp55KK/s400/OCEAN+SOFTWARE.jpg)
ODD GENTLEMEN, THE
WAYWARD MANOR , 2014
KING'S QUEST ΙΧ , 2015 - 2016
ODDLY STRANGE GAMES
THE BIZARRE CREATIONS OF KEITH THE MAGNIFICENT , 2015
OESIGMANN, MARC
LAND OF NGOTO , 2019
OFF STUDIO
HELGA DEEP IN TROUBLE , 2013
OH, A ROCK! STUDIOS
THE BEARD IN THE MIRROR , 2016
OHNOO STUDIO
TORMENTUM: DARK SORROW , 2015
TSIOQUE , 2018
OKAM STUDIO
THE INTERACTIVE ADVENTURES OF DOG MENDONCA AND PIZZA BOY , 2016
OKOMOTIVE
FAR: LONE SALES , 2018
OLD MOUSTACHE
No 70: EYE OF BASIR , 2017
OLDBLOOD, JON
MASOCHISIA , 2015
OMNI CREATIVE GROUP
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RIDDLE OF THE SPHINX II: THE OMEGA STONE , 2003
ON LINE SYSTEMS
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THE ROCKY INTERACTIVE HORROR SHOW , 1999
ON SKULL GAMES
ESCAPE F1RST , 2018
CURIOUS CASES , 2019
ESCAPE F1RST 2 , 2019
ONE BIT STUDIO
A LONG ROAD HOME , 2016
ONE WING CICADA
TARDY , 2018
OPEN XCELL STUDIO
MYSTERIOUS CASTLE , 2016
OPERATION CODENAME
LAND OF AN ENDLESS JOURNEY , 2018
ORANGE VALLEY
CREEPY VISION , 2019
ORION
ELANSAR , 2013
PHILIA , 2015
ORRERY GAMES - BLIP HAUS
MIDNIGHT AT THE CELESTIAL PALACE - Chapter I , 2017
ORTHOGONAL GAMES
THE NOVELIST , 2013
OSAMU SATO PRODUCTIONS
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OSOME STUDIO
WHITE NIGHT , 2015
OUTSIDER GAMES
WAILING HEIGHTS , 2016
OWL CAVE
THE CHARNEL HOUSE TRILOGY , 2015