| 7 Deadly Sins | 0 | - | 4.88 | 394,711 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,439 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,897 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,507 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,082 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,926 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,394 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,484 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,729 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,250 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,746 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,475 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,435 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,499 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,102 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,680 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,068 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,524 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,371 |
| Star Wars Quotes | 0 | - | 4.84 | 173,379 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,772 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,623 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,919 |
| Name a Country A-Z | 0 | - | 5.00 | 240,289 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,420 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,027 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,138 |
| Word Scramble - Pokémon | 0 | - | 4.36 | 33,877 |
| Countries with the Top Chess Players | 0 | - | 4.53 | 75,151 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,452 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 361,580 |
| Most Popular NBA Jerseys | 0 | - | 4.38 | 832,491 |
| Companies by Country | 0 | - | 4.56 | 118,672 |
| Groups of Things - The Bible | 0 | - | 4.43 | 54,786 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,855 |
| Astronomy Decoder | 0 | - | 4.50 | 37,833 |
| Word Chain - The Bible | 0 | - | 4.44 | 41,007 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 138,942 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 664,631 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,458 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,165 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,215 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 269,487 |
| Video Games Quotes | 0 | - | 3.67 | 45,291 |
| Minecraft Mobs | 0 | - | 4.89 | 200,996 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,549 |
| Popular Royal Names | 0 | - | 4.27 | 124,462 |
| First Names of Painters | 0 | - | 4.43 | 59,592 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,279 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,422 |
| Character to Author #1 | 0 | - | 4.52 | 43,201 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 60,268 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,743 |
| Pokémon by Picture | 0 | - | 4.38 | 72,384 |
| Mario Characters by Description | 0 | - | 4.70 | 129,181 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,283 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,002 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,611 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,543 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,081 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,043 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,193 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,270 |
| Sci-Fi Movie Quotes | 0 | - | 4.31 | 36,841 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,800 |
| Most Popular NFL Jerseys | 0 | - | 4.19 | 236,443 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,052 |
| Books by Country Quiz | 0 | - | 4.30 | 32,172 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,472 |
| 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 | 162,014 |
| Superhero Decoder | 0 | - | 4.36 | 54,313 |
| Marvel Superheroes | 0 | - | 4.37 | 294,558 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 114,796 |
| Car Model to Make | 0 | - | 4.18 | 195,121 |
| Famous Billionaires | 0 | - | 4.14 | 67,248 |
| Sibling Actors | 0 | - | 4.12 | 47,441 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,327 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,671 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,214 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,583 |
| Countries with Four Letters | 0 | - | 4.99 | 418,393 |
| Random Symbol to Element | 0 | - | 4.88 | 92,195 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,535 |
| Random Country to Capital | 0 | - | 4.98 | 911,368 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,524 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,106 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,853 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,777 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,151 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,807 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,117 |
| Countries with NO Military | 0 | - | 4.97 | 61,144 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,705 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,888 |
| NATO Countries | 0 | - | 4.98 | 275,554 |
| EU Countries Quiz | 0 | - | 4.99 | 269,776 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,984 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,108 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,374 |
| Fill-in-the-Blank Video Game Titles | 0 | - | 4.23 | 110,746 |
| Video Games by Clue | 0 | - | 4.26 | 179,687 |
| Original 151 Pokémon | 0 | - | 4.95 | 785,038 |
| Pokémon Theme Tune Lyrics | 0 | - | 4.31 | 90,033 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 133,394 |
| Original Mortal Kombat Characters | 0 | - | 4.09 | 40,768 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,216 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,610 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,258 |
| WWII First Names | 0 | - | 4.44 | 41,555 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 47,635 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,609 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 128,908 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 54,422 |
| Books with Food in the Title | 0 | - | 3.93 | 39,588 |
| Political Quotes | 0 | - | 4.17 | 19,800 |
| Islands by Country #1 | 0 | - | 4.87 | 174,456 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,888 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,262 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,322 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,582 |
| Famous Catholics | 0 | - | 4.16 | 27,469 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,048 |
| Who Did These Sidekicks Work With? | 0 | - | 4.24 | 109,778 |
| Top 50 Comic Book Heroes | 0 | - | 3.95 | 75,455 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,637 |
| Batman Actors Quiz | 0 | - | 4.26 | 47,810 |
| Avengers Team Members | 0 | - | 4.05 | 77,025 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 112,255 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,275 |
| X-Men Mutants | 0 | - | 4.05 | 46,844 |
| The Spiderman Quiz | 0 | - | 4.31 | 71,883 |
| Sports Scandals (Mostly U.S.) | 0 | - | 4.00 | 34,337 |
| Most-Followed Twitter Users | 0 | - | 3.94 | 75,827 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 28,239 |
| Countries by Emojis | 0 | - | 4.99 | 236,063 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,993 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,403 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,428 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,266 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,393 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,394 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,141 |
| The Only Country ... | 0 | - | 4.91 | 79,829 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,299 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,084 |
| Country Chain | 0 | - | 4.96 | 215,671 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,313 |
| Random Countries by Borders | 0 | - | 4.99 | 81,643 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,709 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,167 |
| Capital Cities Chain | 0 | - | 4.84 | 81,893 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,324 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,818 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,962 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,195 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,739 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,321 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,323 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,481 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,727 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,020 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,343 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,418 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,963 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,236 |
| Military History Vocabulary | 0 | - | 4.91 | 66,626 |
| Battle to Country | 0 | - | 4.91 | 52,497 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,228 |
| Monarchies of Europe | 0 | - | 4.90 | 97,284 |
| Monarchies of Asia | 0 | - | 4.97 | 70,586 |
| Coldest World Capitals | 0 | - | 4.95 | 133,032 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,022 |
| World Currency Quiz | 0 | - | 4.92 | 298,270 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,756 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,029 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,864 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,122 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,705 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,454 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,527 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,098 |
| Richest Island Countries | 0 | - | 4.84 | 99,481 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,646 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,619 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,686 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,993 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,910 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,687 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,286 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,403 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,560 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,885 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,984 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,190 |
| Orthodox Countries | 0 | - | 4.91 | 130,344 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,241 |
| Buddhist Countries | 0 | - | 4.96 | 142,915 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,623 |
