| Books with Names in the Title #2 | 0 | - | 4.42 | 54,641 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,559 |
| Books with Names in the Title #1 | 0 | - | 4.27 | 70,436 |
| Character to Author #1 | 0 | - | 4.52 | 43,452 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,577 |
| Books with Food in the Title | 0 | - | 3.93 | 39,668 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,250 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,189 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,147 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,724 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,048 |
| 7 Deadly Sins | 0 | - | 4.88 | 399,714 |
| Character to Author #2 | 0 | - | 4.55 | 30,417 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,407 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,096,765 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,269 |
| Authors by Picture | 0 | - | 4.48 | 25,527 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 338,331 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,493 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,703 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,302 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,693 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,832 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,811 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,019 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,863 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,387 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,892 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,967 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,414 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,925 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 109,888 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,244 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,702 |
| Star Wars Quotes | 0 | - | 4.85 | 184,008 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,976 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,005 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,868 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 121,537 |
| Authors by Country | 0 | - | 4.40 | 32,172 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 129,447 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,021 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 54,757 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 363,521 |
| Companies by Country | 0 | - | 4.61 | 119,569 |
| Groups of Things - The Bible | 0 | - | 4.44 | 55,245 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,139 |
| Astronomy Decoder | 0 | - | 4.49 | 38,030 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,614 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,157 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 668,946 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 70,961 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 144,291 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,641 |
| Literary Characters by Last Name | 0 | - | 4.37 | 26,182 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,618,881 |
| Popular Royal Names | 0 | - | 4.27 | 124,892 |
| First Names of Painters | 0 | - | 4.43 | 59,829 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 60,942 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,821 |
| Books by Country Quiz | 0 | - | 4.30 | 32,236 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,470 |
| What the Dickens? | 0 | - | 4.36 | 8,392 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,623 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,099,979 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,444 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,104 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,360 |
| Sci-Fi Movie Quotes | 0 | - | 4.32 | 37,022 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,944 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,711 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 277,237 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,895 |
| Colors by Letter | 0 | - | 4.25 | 162,492 |
| Superhero Decoder | 0 | - | 4.36 | 54,667 |
| Marvel Superheroes | 0 | - | 4.37 | 297,134 |
| Marvel Comics Movie Franchises | 0 | - | 4.30 | 116,200 |
| Car Model to Make | 0 | - | 4.18 | 196,326 |
| Famous Billionaires | 0 | - | 4.14 | 67,398 |
| Sibling Actors | 0 | - | 4.12 | 47,539 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,890 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,113 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,411 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,730 |
| Countries with Four Letters | 0 | - | 4.99 | 421,996 |
| Random Symbol to Element | 0 | - | 4.88 | 92,988 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,647 |
| Random Country to Capital | 0 | - | 4.98 | 919,485 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,938 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,481 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,060 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,411 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,446 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 287,869 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,481 |
| Countries with NO Military | 0 | - | 4.97 | 62,091 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,173 |
| NATO Countries | 0 | - | 4.98 | 279,753 |
| EU Countries Quiz | 0 | - | 4.99 | 273,429 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,038 |
| Books of the Protestant Bible | 0 | - | 4.89 | 209,667 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,739 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 62,912 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 719,915 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,808 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.75 | 76,624 |
| WWII First Names | 0 | - | 4.44 | 41,762 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,594 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,139 |
| Movies with Colors in the Title #1 | 0 | - | 3.84 | 36,160 |
| Songs with Love in the Title | 0 | - | 4.14 | 18,781 |
| Movies with Colors in the Title #2 | 0 | - | 3.47 | 54,447 |
| Songs with Colors in the Title | 0 | - | 3.88 | 41,609 |
| Songs with Countries in the Title | 0 | - | 3.85 | 44,554 |
| Political Quotes | 0 | - | 4.17 | 19,879 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,880 |
| Islands by Country #1 | 0 | - | 4.88 | 175,196 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,458 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,797 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,677 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,032 |
| Famous Catholics | 0 | - | 4.16 | 27,790 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,922 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 110,125 |
| Top 50 Comic Book Heroes | 0 | - | 3.95 | 75,673 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,733 |
| Batman Actors Quiz | 0 | - | 4.27 | 48,031 |
| Avengers Team Members | 0 | - | 4.07 | 77,698 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 113,498 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,668 |
| X-Men Mutants | 0 | - | 4.06 | 47,282 |
| The Spiderman Quiz | 0 | - | 4.31 | 72,929 |
| Sports Scandals (Mostly U.S.) | 0 | - | 4.00 | 34,422 |
| Most-Followed Twitter Users | 0 | - | 3.94 | 75,922 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 29,031 |
| Countries by Emojis | 0 | - | 4.99 | 239,346 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,314 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,786 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,088 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,270 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 179,943 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,805 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,327 |
| The Only Country ... | 0 | - | 4.91 | 80,925 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,424 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 55,835 |
| Country Chain | 0 | - | 4.96 | 216,967 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,033 |
| Random Countries by Borders | 0 | - | 4.99 | 82,361 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,370 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,885 |
| Capital Cities Chain | 0 | - | 4.83 | 82,635 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,707 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,396 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,794 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,678 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,773 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,292 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,403 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,300 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,683 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,195 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,070 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,437 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,378 |
| Military History Vocabulary | 0 | - | 4.91 | 67,105 |
| Battle to Country | 0 | - | 4.91 | 53,241 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,272 |
| Monarchies of Europe | 0 | - | 4.90 | 98,051 |
| Monarchies of Asia | 0 | - | 4.97 | 71,039 |
| Coldest World Capitals | 0 | - | 4.95 | 133,519 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,165 |
| World Currency Quiz | 0 | - | 4.91 | 302,486 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 335,178 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 123,374 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 195,063 |
| Countries with the Most Exports | 0 | - | 4.96 | 155,269 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,461 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 189,555 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,351 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,716 |
| Richest Island Countries | 0 | - | 4.84 | 100,409 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,798 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,367 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,120 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 270,972 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,178 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 84,459 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,317 |
| All World Leaders 2026 | 0 | - | 4.96 | 19,577 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,343 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,002 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 111,608 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,036 |
| Countries with the Most Catholics | 0 | - | 4.90 | 109,259 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,020 |
| Orthodox Countries | 0 | - | 4.92 | 131,454 |
| Countries with the Most Muslims | 0 | - | 4.95 | 160,263 |
| Buddhist Countries | 0 | - | 4.96 | 144,211 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,901 |
