71 PC Games beginning with O

0PC Games:

ODIUM	Released: 11/04/1999
O.D.T.	Released: 09/05/1998
O.R.B.	Released: 05/17/2000
Oasis	Released: 11/23/2005
Obelisk	Released: 06/02/1996
Obitus	Released: 08/28/1996
Obscure	Released: 11/27/2004
Obsidian	Released: 11/17/1996
Ocean Planet	Released: 08/30/1996
Ocean Voyager	Released: 08/30/1996
Oceans Below	Released: 07/25/1996
Oddballz: Your Collectable Computer Petz	Released: 10/27/1996
Oddworld Abe's Exoddus	Released: 08/06/1998
Odyssey	Released: 08/09/2000
Of light and Darkness The Prophecy	Released: 04/05/1998
OffRoad Redneck Racing	Released: 03/03/2001
Offensive	Released: 07/17/1996
Official formula 1 Racing	Released: 02/10/1999
Oh No more Lemmings	Released: 08/28/1996
Oil Tycoon	Released: 07/06/2001
Old Time Baseball	Released: 08/28/1996
Ollo in "The Sunny Valley Fair"	Released: 02/15/2002
Olympic Gold	Released: 08/30/1996
Olympic Summer Games	Released: 05/12/1996
Omar Sharif Bridge II	Released: 05/19/2004
Omar Sharif On Bridge	Released: 05/11/2002
Omikron: The Nomad Soul	Released: 10/20/1999
Ominous Horizons	Released: 09/13/2001
On Hand Card Games	Released: 08/01/2003
On the Trail of the White Tail	Released: 11/04/1999
Once Upon a Knight	Released: 09/24/2003
One Must Fall: "Battle Grounds"	Released: 11/25/2001
One Small Square Backyard	Released: 06/13/1996
One Small Square: Seashore	Released: 06/13/1996
One Step Beyond	Released: 08/28/1996
One Unit Whole Blood	Released: 08/21/1998
Oni	Released: 09/07/2000
Open Ice	Released: 09/07/1996
Open Kart	Released: 08/12/2001
Opening Weekend: Bear Season	Released: 10/09/1999
Opening Weekend: Big Cat Season	Released: 11/12/1999
Operation	Released: 07/09/2000
Operation Blockade	Released: 04/20/2002
Operation Europe	Released: 08/28/1996
Operation Flashpoint	Released: 05/15/2001
Operation Flashpoint gold upgrade	Released: 01/06/2002
Operation Steel Tide	Released: 10/03/2002
Operation Tiger Hunt	Released: 06/30/2002
Operation War in the Pacific	Released: 08/02/2002
Opsys	Released: 12/14/2000
Original War	Released: 07/28/2001
Oscar The Ballonist Discovers The Farm	Released: 03/17/2001
Oscar The Balloonist Drops Into The Country Side	Released: 10/11/2000
Oscar The Balloonist My Creative Workshop	Released: 07/22/2001
Oscar the Ballonist & The Secrets of the Forest	Released: 03/17/2001
Oscar the Ballonist flies into the Mountains	Released: 02/21/2001
Oscar the Balloonist Dives into the Lake	Released: 03/17/2001
Othello	Released: 10/12/1996
OttoMatic	Released: 02/20/2005
Otto Matic	Released: 11/17/2001
Outburst	Released: 06/07/1998
Outcast	Released: 04/11/1999
Outlaw Chopper	Released: 10/31/2005
Outlaw Golf	Released: 03/03/2002
Outlaws	Released: 01/01/1997
Outlive	Released: 12/21/2000
Outpost	Released: 08/28/1996
Outpost 2	Released: 07/11/1997
Outwars	Released: 01/20/1998
Over in the Meadow	Released: 05/28/1998
Ozone	Released: 11/01/1997