| 7 Deadly Sins | 0 | - | 4.88 | 394,684 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,387 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,868 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,458 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,078 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,802 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,380 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,461 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,712 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,234 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,734 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,466 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,417 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,490 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,087 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,673 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,059 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,518 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,369 |
| Star Wars Quotes | 0 | - | 4.84 | 173,370 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,772 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,612 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,914 |
| Name a Country A-Z | 0 | - | 5.00 | 240,268 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,405 |
| Name a Valid Country A-Z | 0 | - | 4.97 | 120,017 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,136 |
| Word Scramble - Pokémon | 0 | - | 4.36 | 33,865 |
| Countries with the Top Chess Players | 0 | - | 4.53 | 75,149 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,449 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 361,565 |
| Most Popular NBA Jerseys | 0 | - | 4.38 | 832,447 |
| Companies by Country | 0 | - | 4.56 | 118,663 |
| Groups of Things - The Bible | 0 | - | 4.43 | 54,784 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,854 |
| Astronomy Decoder | 0 | - | 4.50 | 37,832 |
| Word Chain - The Bible | 0 | - | 4.44 | 41,004 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 138,940 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 664,602 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,453 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,154 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,210 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 269,448 |
| Video Games Quotes | 0 | - | 3.67 | 45,291 |
| Minecraft Mobs | 0 | - | 4.89 | 200,976 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,248 |
| Popular Royal Names | 0 | - | 4.27 | 124,457 |
| First Names of Painters | 0 | - | 4.43 | 59,591 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,272 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,419 |
| Character to Author #1 | 0 | - | 4.52 | 43,201 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 60,267 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,743 |
| Pokémon by Picture | 0 | - | 4.38 | 72,371 |
| Mario Characters by Description | 0 | - | 4.70 | 129,178 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,282 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,001 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,611 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,376 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,055 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,025 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,183 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,269 |
| Sci-Fi Movie Quotes | 0 | - | 4.31 | 36,841 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,798 |
| Most Popular NFL Jerseys | 0 | - | 4.19 | 236,436 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,018 |
| Books by Country Quiz | 0 | - | 4.30 | 32,172 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,466 |
| Character to Author #2 | 0 | - | 4.55 | 30,267 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,821 |
| Colors by Letter | 0 | - | 4.25 | 162,012 |
| Superhero Decoder | 0 | - | 4.36 | 54,313 |
| Marvel Superheroes | 0 | - | 4.37 | 294,532 |
| Marvel Comics Movie Franchises | 0 | - | 4.28 | 114,788 |
| Car Model to Make | 0 | - | 4.18 | 195,110 |
| Famous Billionaires | 0 | - | 4.14 | 67,246 |
| Sibling Actors | 0 | - | 4.12 | 47,441 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,324 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,655 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,210 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,582 |
| Countries with Four Letters | 0 | - | 4.99 | 418,368 |
| Random Symbol to Element | 0 | - | 4.88 | 92,193 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,436 |
| Random Country to Capital | 0 | - | 4.98 | 911,261 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,521 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,099 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,852 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,765 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,136 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,783 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,076 |
| Countries with NO Military | 0 | - | 4.97 | 61,136 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,692 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,885 |
| NATO Countries | 0 | - | 4.98 | 275,525 |
| EU Countries Quiz | 0 | - | 4.99 | 269,739 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,967 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,079 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,339 |
| Fill-in-the-Blank Video Game Titles | 0 | - | 4.23 | 110,742 |
| Video Games by Clue | 0 | - | 4.26 | 179,677 |
| Original 151 Pokémon | 0 | - | 4.95 | 784,996 |
| Pokémon Theme Tune Lyrics | 0 | - | 4.31 | 90,030 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 133,389 |
| Original Mortal Kombat Characters | 0 | - | 4.09 | 40,768 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,143 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,606 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,254 |
| WWII First Names | 0 | - | 4.44 | 41,552 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,622 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,606 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 128,906 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 54,415 |
| Books with Food in the Title | 0 | - | 3.93 | 39,586 |
| Political Quotes | 0 | - | 4.17 | 19,800 |
| Islands by Country #1 | 0 | - | 4.87 | 174,450 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,882 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,255 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,318 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,576 |
| Famous Catholics | 0 | - | 4.16 | 27,465 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,043 |
| Who Did These Sidekicks Work With? | 0 | - | 4.24 | 109,777 |
| Top 50 Comic Book Heroes | 0 | - | 3.95 | 75,454 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,637 |
| Batman Actors Quiz | 0 | - | 4.26 | 47,809 |
| Avengers Team Members | 0 | - | 4.07 | 77,017 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 112,246 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,272 |
| X-Men Mutants | 0 | - | 4.05 | 46,841 |
| The Spiderman Quiz | 0 | - | 4.31 | 71,882 |
| Sports Scandals (Mostly U.S.) | 0 | - | 4.00 | 34,336 |
| Most-Followed Twitter Users | 0 | - | 3.94 | 75,827 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 28,231 |
| Countries by Emojis | 0 | - | 4.99 | 236,041 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,992 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,394 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,424 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,256 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,383 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,345 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,117 |
| The Only Country ... | 0 | - | 4.91 | 79,816 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,299 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,077 |
| Country Chain | 0 | - | 4.96 | 215,655 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,307 |
| Random Countries by Borders | 0 | - | 4.99 | 81,635 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,695 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,155 |
| Capital Cities Chain | 0 | - | 4.84 | 81,882 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,320 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,811 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,956 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,193 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,722 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,281 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,300 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,454 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,712 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,014 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,330 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,400 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,948 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,234 |
| Military History Vocabulary | 0 | - | 4.91 | 66,622 |
| Battle to Country | 0 | - | 4.91 | 52,487 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,221 |
| Monarchies of Europe | 0 | - | 4.90 | 97,279 |
| Monarchies of Asia | 0 | - | 4.97 | 70,579 |
| Coldest World Capitals | 0 | - | 4.95 | 133,026 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,022 |
| World Currency Quiz | 0 | - | 4.92 | 298,220 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,739 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,012 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,854 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,111 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,699 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,443 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,523 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,088 |
| Richest Island Countries | 0 | - | 4.84 | 99,474 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,631 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,613 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,684 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,974 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,901 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,679 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,279 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,389 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,548 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,878 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,974 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,182 |
| Orthodox Countries | 0 | - | 4.91 | 130,335 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,236 |
| Buddhist Countries | 0 | - | 4.96 | 142,904 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,620 |
