Here is a page filled with all the games on the Land of Oz. Listed first are the PC/Mac Games. Followed by other types of Oz-themed games.
(1) L. Frank Baum’s The Wonderful Wizard of Oz (Bigfish Games)
This game definitely matches a lot of the elements of the book and there’s a surprise ending.
(2) Wonderful Wizard of Oz (PC/Mac Game): also available through Big Fish or Amazon.
This game is a match 3 game as you walk through the first story of Oz.
(3) Emerald City Confidential (PC game): available through Big Fish or Amazon Games
This games goes through all the lands of Oz but starts in the Emerald City.
(4) Wizard of Oz Match 3 Game (Android/Tablet): Available for download through your tablet app store.
(5) Wicked: The Game (Android/Tablet): Available for download through your tablet app store.
This is based on the theatrical play and goes even further to tell you stories from Glinda’s (Galinda) perspective as well as Fiyero’s perspective. Screenshot of game below.
(6) Fiction Fixers: The Curse of Oz (BigFish Games)
This game gives a darker take on the Oz story but its fun.
(7) Bridge to Another World: Escape From Oz Collector’s Edition (BigFish Games)
(8) Temple Run: Oz (Disney Games): Available through your tablet app store.
This one is based on the movie, Oz, the Great and Powerful by Disney films. It does cost money to purchase this game, just as a heads up.
(9) Towers of Oz (BigFish): A RPG-style game that includes the flying monkey
10) Oz: Broken Kingdoms (NexonMobile): Available through your tablet app store.
(11) Munchkin Oz Version (card game). More details here.