| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,093 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,904 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,296 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,100,442 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,465 |
| Dog Knowledge | 0 | - | 4.46 | 34,501 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,750 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 341,700 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,102 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,276 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,618 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,421 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,213 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,265 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,001 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,588 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,949 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,698 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 113,726 |
| Books by Country Quiz | 0 | - | 4.30 | 32,288 |
| Books with Names in the Title #1 | 0 | - | 4.27 | 70,549 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,732 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,845 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,001 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,190 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,629 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,830 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,345 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,015 |
| Disney Animals | 0 | - | 4.27 | 240,364 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,184 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,693 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,558 |
| Star Wars Quotes | 0 | - | 4.86 | 185,410 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 113,920 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,673 |
| Name a Country A-Z | 0 | - | 5.00 | 244,752 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 52,745 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,445 |
| Animal Emojis | 0 | - | 4.74 | 84,989 |
| Dog in the Answers | 0 | - | 4.16 | 68,789 |
| Famous Dogs | 0 | - | 4.02 | 28,025 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,308 |
| Books with Food in the Title | 0 | - | 3.93 | 39,726 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 129,747 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,841 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,325 |
| Authors by Picture | 0 | - | 4.48 | 25,597 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 54,929 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 364,770 |
| Companies by Country | 0 | - | 4.61 | 119,962 |
| Groups of Things - The Bible | 0 | - | 4.44 | 55,456 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,310 |
| Astronomy Decoder | 0 | - | 4.48 | 38,147 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,880 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,266 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 671,325 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,277 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 144,963 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,933 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,121 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,676 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,531 |
| Character to Author #1 | 0 | - | 4.52 | 43,551 |
| Popular Royal Names | 0 | - | 4.27 | 125,190 |
| First Names of Painters | 0 | - | 4.43 | 59,966 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 61,425 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,877 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,640,652 |
| Bear in the Answers | 0 | - | 4.29 | 62,164 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,552 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,577 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,869 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,763 |
| Famous Pets | 0 | - | 3.98 | 30,476 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,456 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,271 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,271 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,807 |
| Character to Author #2 | 0 | - | 4.55 | 30,476 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,357 |
| Movies with Landforms in the Name | 0 | - | 4.16 | 50,507 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,152 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,108,520 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,018 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,473 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,099 |
| Sci-Fi Movie Quotes | 0 | - | 4.32 | 37,119 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 41,023 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 748,729 |
| Famous Catholics | 0 | - | 4.26 | 33,221 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 277,690 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,944 |
| Colors by Letter | 0 | - | 4.25 | 162,790 |
| Superhero Decoder | 0 | - | 4.36 | 54,886 |
| Marvel Superheroes | 0 | - | 4.38 | 298,417 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 116,987 |
| Car Model to Make | 0 | - | 4.18 | 196,866 |
| Famous Billionaires | 0 | - | 4.14 | 67,511 |
| Sibling Actors | 0 | - | 4.12 | 47,600 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,233 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,261 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,531 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,832 |
| Countries with Four Letters | 0 | - | 4.99 | 424,356 |
| Random Symbol to Element | 0 | - | 4.88 | 93,532 |
| Random Capital to Country | 0 | - | 4.99 | 2,597,165 |
| Random Country to Capital | 0 | - | 4.98 | 924,766 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,186 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,732 |
| Name a Valid World City | 0 | - | 4.84 | 71,649 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,170 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,239 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 290,089 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 275,419 |
| Countries with NO Military | 0 | - | 4.97 | 62,869 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,282 |
| NATO Countries | 0 | - | 4.98 | 282,271 |
| EU Countries Quiz | 0 | - | 4.99 | 276,446 |
| Top Five Countries by Religion | 0 | - | 4.93 | 172,683 |
| Books of the Protestant Bible | 0 | - | 4.84 | 211,179 |
| Majority Muslim Countries | 0 | - | 4.98 | 376,416 |
| Big Cats | 0 | - | 3.91 | 67,866 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,051 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,126 |
| Animal Varieties #3 | 0 | - | 4.52 | 55,507 |
| Brand-Name Animals | 0 | - | 4.16 | 74,602 |
| Animal Stereotypes | 0 | - | 4.48 | 37,396 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,460 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 97,441 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 87,637 |
| WWII First Names | 0 | - | 4.44 | 41,899 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,120 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,446 |
| Movies with Colors in the Title #1 | 0 | - | 3.84 | 36,210 |
| Songs with Love in the Title | 0 | - | 4.14 | 18,835 |
| Movies with Colors in the Title #2 | 0 | - | 3.47 | 54,512 |
| Songs with Colors in the Title | 0 | - | 3.88 | 41,695 |
| Songs with Countries in the Title | 0 | - | 3.81 | 44,613 |
| Political Quotes | 0 | - | 4.17 | 19,928 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,925 |
| Islands by Country #1 | 0 | - | 4.90 | 175,748 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,903 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,270 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,997 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,360 |
| Superhero Alter Egos | 0 | - | 4.29 | 165,386 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 110,335 |
| Crayola Crayon Colors 64 Pack | 0 | - | 4.99 | 62,965 |
| Top 50 Comic Book Heroes | 0 | - | 3.93 | 75,795 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,792 |
| Batman Actors Quiz | 0 | - | 4.27 | 48,159 |
| Avengers Team Members | 0 | - | 4.07 | 78,067 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 114,414 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,878 |
| X-Men Mutants | 0 | - | 4.06 | 47,502 |
| The Spiderman Quiz | 0 | - | 4.31 | 73,324 |
| Sports Scandals (Mostly U.S.) | 0 | - | 4.00 | 34,471 |
| Most-Followed Twitter Users | 0 | - | 3.94 | 75,998 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 29,452 |
| Countries by Emojis | 0 | - | 4.99 | 240,957 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,464 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,400 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,491 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,455 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,834 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.15 | 62,879 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,620 |
| The Only Country ... | 0 | - | 4.91 | 81,603 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,531 |
| Cities that End in G by Clue | 0 | - | 4.54 | 21,691 |
| Cities that End in D by Clue | 0 | - | 4.45 | 27,075 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,483 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,297 |
| Country Chain | 0 | - | 4.96 | 217,884 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,438 |
| Random Countries by Borders | 0 | - | 4.99 | 82,811 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,958 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,769 |
| Random Point on Land to Country | 0 | - | 4.99 | 236,365 |
| Capital Cities Chain | 0 | - | 4.84 | 83,121 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,947 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,718 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,270 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,959 |
| Name a Valid Country #3 | 0 | - | 4.99 | 264,159 |
| Name a Valid Country #1 | 0 | - | 4.99 | 292,381 |
| Name a Valid Country #2 | 0 | - | 4.98 | 252,120 |
| Name a Valid Country #4 | 0 | - | 4.97 | 257,229 |
| Name a Valid Country #5 | 0 | - | 4.99 | 208,221 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,295 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,389 |
| Name a Valid Country #7 | 0 | - | 4.91 | 130,141 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,465 |
| Name a Valid Country #10 | 0 | - | 4.93 | 43,493 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 735,353 |
| Military History Vocabulary | 0 | - | 4.91 | 67,467 |
| Battle to Country | 0 | - | 4.91 | 53,697 |
| Countries with the Most Tanks | 0 | - | 4.91 | 107,904 |
| Monarchies of Europe | 0 | - | 4.90 | 98,535 |