The non-official official list (keeping in mind that others may have contributed and some of these are reliant on fallible memories) summarized from these threads:
Add 'em Up - Frank Wayne
Any Number - Ted Cooper
Balance Game (84) - Frank Wayne
Balance Game (06) - Roger Dobkowitz
Barker's Markers/Make Your Mark - Roger Dobkowitz
Blank Check/Check Game - Roger Dobkowitz
Bonkers - Bob Barker
Bonus Game - Marc Breslow or Ira Skutch
Bullseye (76) - Marc Breslow
Bump - Frank Wayne
Card Game - Frank Wayne
Check-Out - Sam Governale, with presentation help from Kathy Greco and Barbara Hunter
Clearance Sale - Roger Dobkowitz
Cliff Hangers - Mark Goodson
Clock Game - Frank Wayne
Coming or Going - Bob Barker
Cover Up - Roger Dobkowitz
Danger Price - Ira Skutch
Dice Game - Robert Sherman
Do the Math - Scott Robinson
Double Cross - Adam Sandler
Easy as 123 - Bob Barker
Finish Line - Andy Felsher
Flip Flop - Bart Eskander
Fortune Hunter - Roger Dobkowitz
Gallery Game - Roger Dobkowitz
Gas Money - Roger Dobkowitz
Give or Keep - Frank Wayne
Golden Road - Jay Wolpert
Grand Game - Frank Wayne
Gridlock - Adam Sandler
Grocery Game - Imie Lane Camelli
Half Off - Mandel Ilagan
Hi Lo - Frank Wayne
Hit Me - Andy Felsher
Hole In One - Jay Wolpert
Hurdles - Jay Wolpert
It's In the Bag - Roger Dobkowitz
Joker - Marc Breslow
Let 'em Roll - Bob Barker
Line 'em Up - Kathy Greco
Lucky Seven - Frank Wayne
Magic # - Frank Wayne
Make Your Move - Frank Wayne
Master Key - Frank Wayne
Money Game - Frank Wayne
More or Less - Bob Barker
Most Expensive - Jay Wolpert
Mystery Price - Frank Wayne
Now... and Then - Steve Ryan
On the Nose - Marc Breslow
On the Spot - Roger Dobkowitz
One Away - Frank Wayne
One Wrong Price - Paul Alter
Pathfinder - Murphy Roberts (from Card Sharks)
Pay the Rent - Adam Sandler, with Mike Richards providing the idea
Penny Ante - Frank Wayne
The Phone Home Game - Frank Wayne
Pick-a-Pair - Kathy Greco
Pick-a-Number - Roger Dobkowitz
Plinko - Frank Wayne
Pocket Change - Roger Dobkowitz
Poker Game - Frank Wayne
Professor Price - Frank Wayne
Punch a Bunch - Marc Breslow
Push Over - Roger Dobkowitz
Race Game - Marc Breslow
Range Game - Ted Cooper
Rat Race - Drew Carey
Secret "X" - Kathy Greco
Shell Game - Frank Wayne
Shower Game - Frank Wayne
Side by Side - Bart Eskander
Spelling Bee - Frank Wayne
Split Decision - Roger Dobkowitz
Squeeze Play - Roger Dobkowitz
Stack the Deck - Bart Eskander
Step Up - Bart Eskander
Super Ball - Marc Breslow
Super Saver - Murphy Roberts (of Card Sharks)
Switch? - Chris Clementson (of Password Plus, though he merely claims he suggested the idea a decade before it appeared and the work of pitching it may have been done by somebody else)
Switcheroo - Frank Wayne
Take Two - Marc Breslow
Telephone Game - Joel Hecht
Temptation - Jay Wolpert
Ten Chances - Roger Dobkowitz
That's Too Much! - Roger Dobkowitz
Three Strikes - Created by Frank Wayne, though given to "somebody else" to present
Time is Money (04) - Roger Dobkowitz
Trader Bob - Created by Frank Wayne, given to Phil Wayne Rossi to present
Triple Play - Bob Barker (though his contribution may have just been the idea of three cars in three doors and somebody else may have created it)
Two for the Price of One - Bob Barker
Walk of Fame - Imie Lane Camelli
Which leaves the following games without known creators:
Back to '72
Barker's Bargain Bar/Bargain Game
Bullseye ('72)
Buy or Sell
Credit Card
Double Bullseye
Double Digits
Double Prices (though this is such a simple concept it's unlikely to attributed to a simple person)
Five Price Tags (Roger may have suggested the True/False portion)
Freeze Frame
Hot Seat
It's Optional
One Right Price (see Double Prices)
Pass the Buck
Safe Crackers
Shopping Spree
Swap Meet
Time is Money ('14)
To the Penny
Vend-O-Price
Trivia: Mark Goodson is credited with the creation of at least two pricing games; both of which survive to this day.
What's the second one?