| Books with Names in the Title #2 | 0 | - | 4.42 | 54,707 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,635 |
| Books with Names in the Title #1 | 0 | - | 4.27 | 70,510 |
| Character to Author #1 | 0 | - | 4.52 | 43,508 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,646 |
| Books with Food in the Title | 0 | - | 3.93 | 39,704 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,289 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,237 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,216 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,771 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,080 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,535 |
| Character to Author #2 | 0 | - | 4.55 | 30,456 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,485 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,218 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,794 |
| Authors by Picture | 0 | - | 4.48 | 25,561 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 340,582 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,520 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,976 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,207 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,148 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,721 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,636 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,655 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,317 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,434 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,419 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,936 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,776 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,642 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,358 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,610 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,101 |
| Star Wars Quotes | 0 | - | 4.86 | 185,001 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,630 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,497 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,481 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,154 |
| Authors by Country | 0 | - | 4.40 | 32,215 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 129,672 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,251 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 54,856 |
| Name the 7 Dwarfs | 0 | - | 4.54 | 364,379 |
| Companies by Country | 0 | - | 4.61 | 119,826 |
| Groups of Things - The Bible | 0 | - | 4.44 | 55,378 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,266 |
| Astronomy Decoder | 0 | - | 4.49 | 38,111 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,826 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,239 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 670,562 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,179 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 144,715 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,826 |
| Literary Characters by Last Name | 0 | - | 4.37 | 26,215 |
| Popular Royal Names | 0 | - | 4.27 | 125,081 |
| First Names of Painters | 0 | - | 4.43 | 59,919 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 61,300 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,860 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,633,239 |
| Books by Country Quiz | 0 | - | 4.30 | 32,262 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,804 |
| What the Dickens? | 0 | - | 4.36 | 8,406 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,011 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 215,974 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,105,687 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,395 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,947 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,811 |
| Sci-Fi Movie Quotes | 0 | - | 4.32 | 37,099 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 41,003 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,072 |
| Famous Catholics | 0 | - | 4.26 | 33,124 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 277,548 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,926 |
| Colors by Letter | 0 | - | 4.25 | 162,697 |
| Superhero Decoder | 0 | - | 4.36 | 54,829 |
| Marvel Superheroes | 0 | - | 4.38 | 298,074 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 116,766 |
| Car Model to Make | 0 | - | 4.18 | 196,682 |
| Famous Billionaires | 0 | - | 4.14 | 67,476 |
| Sibling Actors | 0 | - | 4.12 | 47,584 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,127 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,575 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,493 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,804 |
| Countries with Four Letters | 0 | - | 4.99 | 423,383 |
| Random Symbol to Element | 0 | - | 4.88 | 93,263 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,870 |
| Random Country to Capital | 0 | - | 4.98 | 922,877 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,114 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,657 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,123 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,935 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 289,398 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 274,557 |
| Countries with NO Military | 0 | - | 4.97 | 62,660 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,979 |
| NATO Countries | 0 | - | 4.98 | 281,608 |
| EU Countries Quiz | 0 | - | 4.99 | 275,614 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,269 |
| Books of the Protestant Bible | 0 | - | 4.84 | 210,776 |
| Majority Muslim Countries | 0 | - | 4.98 | 375,628 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,013 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,431 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 97,339 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.70 | 86,357 |
| WWII First Names | 0 | - | 4.44 | 41,847 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,950 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,350 |
| Movies with Colors in the Title #1 | 0 | - | 3.84 | 36,195 |
| Songs with Love in the Title | 0 | - | 4.14 | 18,815 |
| Movies with Colors in the Title #2 | 0 | - | 3.47 | 54,482 |
| Songs with Colors in the Title | 0 | - | 3.88 | 41,665 |
| Songs with Countries in the Title | 0 | - | 3.85 | 44,588 |
| Political Quotes | 0 | - | 4.17 | 19,910 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,908 |
| Islands by Country #1 | 0 | - | 4.90 | 175,488 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,650 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,045 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,815 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,208 |
| Superhero Alter Egos | 0 | - | 4.29 | 165,287 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 110,273 |
| Top 50 Comic Book Heroes | 0 | - | 3.95 | 75,762 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,775 |
| Batman Actors Quiz | 0 | - | 4.27 | 48,117 |
| Avengers Team Members | 0 | - | 4.07 | 77,968 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 114,207 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,823 |
| X-Men Mutants | 0 | - | 4.06 | 47,443 |
| The Spiderman Quiz | 0 | - | 4.31 | 73,212 |
| Sports Scandals (Mostly U.S.) | 0 | - | 4.00 | 34,454 |
| Most-Followed Twitter Users | 0 | - | 3.94 | 75,978 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 29,313 |
| Countries by Emojis | 0 | - | 4.99 | 240,463 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,395 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,188 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,360 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,087 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,382 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 49,134 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,170 |
| The Only Country ... | 0 | - | 4.91 | 81,417 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,467 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,118 |
| Country Chain | 0 | - | 4.96 | 217,418 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,279 |
| Random Countries by Borders | 0 | - | 4.99 | 82,661 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,433 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,455 |
| Capital Cities Chain | 0 | - | 4.84 | 82,963 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,866 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,612 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,122 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,856 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,689 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,322 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,521 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,687 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,686 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,987 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,730 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,092 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 722,889 |
| Military History Vocabulary | 0 | - | 4.91 | 67,303 |
| Battle to Country | 0 | - | 4.91 | 53,538 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,711 |
| Monarchies of Europe | 0 | - | 4.90 | 98,355 |
| Monarchies of Asia | 0 | - | 4.97 | 71,227 |
| Coldest World Capitals | 0 | - | 4.95 | 133,662 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,233 |
| World Currency Quiz | 0 | - | 4.92 | 304,275 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,966 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,001 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,508 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,662 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,745 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,995 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,533 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,920 |
| Richest Island Countries | 0 | - | 4.85 | 100,799 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,105 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,607 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,254 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 272,653 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,536 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,725 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,762 |
| All World Leaders 2026 | 0 | - | 4.94 | 20,498 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,401 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,612 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,024 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,528 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,798 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,395 |
| Orthodox Countries | 0 | - | 4.92 | 132,261 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,669 |
| Buddhist Countries | 0 | - | 4.96 | 144,624 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,022 |
