Edited by Oliver Roeder (185 entries)

What’s The Best Way To Drop A Smartphone?
Which Geyser Gushes First?
How Long Will Your Smartphone Distract You From Family Dinner?
How Long Before You Can Use Your 2015 Calendar Again?
How Badly Can A Car Salesman Swindle You?
Will The Neurotic Basketball Player Make His Next Free Throw?
Night Falls. A Storm Rolls In. Can You Cross The River?
Who Will Win The Politicians’ Secret Vote?
How Many Cars Will Get Stuck In Traffic?
Will The Dog Catch The Duck?
Will Someone Be Sitting In Your Seat On The Plane?
Can You Decode The Four Secret Messages?
Can You Win This Hot New Game Show?
Should You Shoot Free Throws Underhand?
Can You Best The Mysterious Man In The Trench Coat?
Should You Pay $250 To Play This Casino Game?
Can You Solve The Impossible Puzzle?
Can You Solve This Napoleonic Puzzle?
You Have $1 Billion To Win A Space Race. Go.
Can You Solve The Puzzle Of Your Misanthropic Neighbors?
The Perplexing Puzzle Of The Proud Partygoers
Can You Solve This Elevator Button Puzzle?
Can You Solve The Puzzle Of The Overflowing Martini Glass?
Can You Slay The Puzzle Of The Monsters’ Gems?
Can You Solve The Puzzle Of The Baseball Division Champs?
Can You Solve The Puzzle Of The Pirate Booty?
Solve The Mystery Of The Mathematical Mistakes
Can You Solve The Puzzle Of The Picky Eater?
What If Robots Cut Your Pizza?
Can You Figure Out How To Beat Roger Federer At Wimbledon?
Can You Save Riddler Headquarters From Laser Larry? Please?!
How Long Will You Be Stuck Playing This Bar Game?
Solve The Puzzle, Stop The Alien Invasion
Can You Sniff Out The Traitorous Generals?
Should The Grizzly Bear Eat The Salmon?
Can You Solve The Puzzle Of Pokémon Go Efficiency?
Can You Outrun The Angry Ram Coming Right For … Oh God!
Can You Bake The Optimal Cake?
How Many Bananas Does It Take To Lead A Camel To Market?
Who Keeps The Money You Found On The Floor?
How High Can Count Von Count Count?
How Big A Table Can The Carpenter Build?
Cubs World Series Puzzles, For Fun And Profit
How About A Nice Game Of Chess?
Can You Survive This Deadly Board Game?
These Challenges Will Boggle Your Mind
Rig The Election … With Math!
A Puzzle: Will You (Yes, You) Decide The Election?
Allison, Bob And The Technicolor Dream Map
The Puzzle Of The Lonesome King
Can You Unmask The Secret Santas?
How Much Gold Would Push You Into A War?
Everything’s Mixed Up. Can You Sort It All Out?
Build Your Own Death Star And Defeat The Stormtroopers
Can You Deal With These Card Game Puzzles?
Don’t Throw Out That Calendar!
How Long Will It Take To Blow Out The Birthday Candles?
Can You Time The Stoplight Just Right?
Can You Win At Tetris? Can You Save A Species?
Can You Rule Riddler Nation?
Can You Save The Drowning Swimmer?
A Riddle: How Many Crooked Politicians Are There?
The Two Mysteries Of The Gold Coins
Can Your Robot Friend Solve The Corn Maze?
Who Will Win The Space Race?
Can You Find The Honest Prince?
Will The Baby Walk Away? Will The Troll Kill The Dwarves?
What Are The Chances We’ll Meet For Lunch?
Can You Outsmart Our Elementary School Math Problems?
How Many Bingo Cards Are There In The World?
Pick A Card, Any Card!
Can You Solve These Colorful Puzzles?
Who Will Win The Lucky Derby?
Can You Do Math Without Numbers?
The Battle For Riddler Nation, Round 2
How Much Should You Bid For That Painting?
Can You Crack This Square’s Hidden Code?
How Long Will Chaos Reign In This Game Of Tag?
Can You Drink More Coffee Than Your Co-workers?
Who Steals The Most In A Town Full Of Thieves?
How Many Critics Does It Take To Rank All The Movies?
Can You Eat More Pizza Than Your Siblings?
How Much Is A Spy Worth In A Warring Riddler Nation?
Pick A Number, Any Number
Is This Bathroom Occupied?
Can You Plug The White House Leak?
Can You Unravel These Number Strings?
Work A Shift In The Riddler Gift Shop
Is Your Friend Full Of It?
Riddler Nation Goes To War
Will You Be A Ghostbuster Or A World Destroyer?
How Do You Like Them Rectangles?
Rock, Paper, Scissors, Double Scissors!
Can You Beat The Game Show?
How Much Is A Perfect Game Of ‘Jeopardy!’ Worth?
Can You Please The Oracle? Can You Escape The Prison?
Can You Play ‘The Price Is Right’ Perfectly?
Can You Pick Up Sticks? Can You Help A Frogger Out?
Help Us Find These Missing Pieces
For Our 100th Riddler, Can You Outthink The Students Of Riddler Nation?
Are You A Master Safecracker?
How Quickly Can You Throw The Perfect Game Of Darts?
Please Help Me — I Have A Number Problem
Hark! Two Holiday Puzzles
Where Will The Seven Dwarfs Sleep Tonight?
Draw A Circle. Then Draw A Triangle. Now Solve A Riddle.
How Often Does The Senate Vote In Palindromes?
Will The Grasshopper Land In Your Yard?
Will Your Picture Frame Come Crashing To The Floor?
Who Will Survive The Dodgeball Duel?
Can You Rescue The Paratroopers?
How Long Will You Shuffle This Damn Deck Of Cards?
Are You The Perfect Yahtzee Player?
Can You Do Math With Shapes?
Can You Shuffle Numbers? Can You Find All The World Cup Results?
How Often Will You Play A Nightmare Game Of Solitaire?
When Will The Arithmetic Anarchists Attack?
Can You Find The Perfect Poker Hand? Can You Shut This Infernal Box?
How To Cross The Street
How Fast Can You Type A Million Letters?
Pirates, Monkeys And Coconuts — Oh My
How Hard Is It To Find A Running Buddy?
When Will Your House Collapse? Should You Take A Construction Contract?
The Case Of The Smudged Secret Message
How Many Phones Do You Need To Win HQ Trivia?
The Riddler’s Inaugural Rock-Paper-Scissors Tournament
What Are The Odds World Cup Teams Play Each Other Twice?
How Fast Can You Deliver PB&Js? How Many Meerkats Can Survive?
Can You Slice This In Half?
Damn The Torpedoes — Two Puzzles Ahead!
The Perfect Doodle Puzzle To Keep You Busy During Boring Meetings
The Eternal Question: How Much Do These Apricots Weigh?
Where On Earth Is The Riddler?
Step 1: Game Theory. Step 2: ???? Step 3: Profit!
How Many Hoops Will Kids Jump Through To Play Rock, Paper, Scissors?
The New National Pastime: Competitive Coin Flipping
I’d Like To Use My Riddler Lifeline
To Solve The Eccentric Billionaire’s Puzzle, You Must First Defeat The Banker
Two Paths Diverged In A City And I, I Took The Block Less Traveled By
The Robot Invasion Has Come For Our Pool Halls
How Much Will It Cost To Sniff Out The Spies?
So You Want To Tether Your Goat. Now What?
So Your Archipelago Is Exploding. How Doomed Is Your Island?
Who Will Capture The Most James Bonds?
How Far Would You Go To Rig A Coin Flip?
What Are The Odds You’d Already Have My Number?
The Riddler Just Had To Go And Reinvent Beer Pong
Alice And Bob Fall In Love
The Little, Mathematically Determined House On The Prairie
Can You Win Tic-Tac-Toe Blindfolded?
Santa Needs Some Help With Math
What The Heck Are These Dang Bits?
In Space, No One Can Hear Your 3D Printer Die
How Many Crossword Puzzles Can You Make?
Time For Some Abstract Math. Drink Up.
Can You Escape A Maze Without Walls?
525,600 Minutes Of Math
Come On Down And Escape The Maze
Don’t Trust Anyone Older Than L
You’re Home Alone. You Can Buy Zillions Of Video Game Cigarettes Or Beat Yourself At Bananagrams
How Many Numbers Contain The Numbers Of Their Numbers?
Get Perplexed With Some Games Of Hex
Can You Turn America’s Pastime Into A Game Of Yahtzee?
Can You Win A Spelling Bee If You Know 99 Percent Of The Words?
Does Your Gift Card Still Have Free Drinks On It?
How Many Times A Day Is A Broken Clock Right?
What Comes After 840? The Answer May Surprise You.
How Many Earthlings Would Survive 63 Thanos Snaps?
Are You The Best Warlord?
Can The Riddler Bros. Beat Joe DiMaggio’s Hitting Streak?
How Many Soldiers Do You Need To Beat The Night King?
One Small Step For Man, One Giant Coin Flip For Mankind
Can You Win The Lotería?
You’ve Been Marooned By Kidnappers. Can You Escape At Dawn?
How Inefficient Can You Make Your Walk To Class?
I Would Walk 500 Miles And I Would Riddle 500 More
What’s Your Best Scrabble String?
What’s The Optimal Way To Play HORSE?
Can You Construct The Optimal Tournament?
Can You Escape This Enchanted Maze?
How Many Cars Are On This Circular Train?
Organize Some Debates! Maximize The Shade!
Which Billiard Ball Is Rigged?
Can You Fool The Bank With Your Counterfeit Bills?
A Peaceful (But Not Peaceful) Transition Of Power In Riddler Nation