| Books with Names in the Title #2 | 0 | - | 4.42 | 54,805 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,726 |
| Books with Names in the Title #1 | 0 | - | 4.27 | 70,595 |
| Character to Author #1 | 0 | - | 4.52 | 43,592 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,745 |
| Books with Food in the Title | 0 | - | 3.95 | 39,753 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,350 |
| Book Titles with Shared First Words | 0 | - | 4.53 | 15,312 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,308 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,842 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,110 |
| 7 Deadly Sins | 0 | - | 4.88 | 403,830 |
| Character to Author #2 | 0 | - | 4.55 | 30,499 |
| Book Titles by Synonyms #2 | 0 | - | 4.37 | 39,621 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,102,073 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,587 |
| Authors by Picture | 0 | - | 4.48 | 25,627 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 342,951 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,552 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,253 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,327 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,952 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 238,036 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,994 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,615 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,915 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,481 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,158 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,643 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,300 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,773 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,268 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,357 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,644 |
| Star Wars Quotes | 0 | - | 4.86 | 186,101 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 114,363 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,983 |
| Name a Country A-Z | 0 | - | 5.00 | 245,554 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 53,111 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 122,891 |
| Authors by Country | 0 | - | 4.40 | 32,275 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 129,840 |
| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,549 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 55,016 |
| Name the 7 Dwarfs | 0 | - | 4.54 | 365,279 |
| Companies by Country | 0 | - | 4.61 | 120,132 |
| Groups of Things - The Bible | 0 | - | 4.44 | 55,538 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,385 |
| Astronomy Decoder | 0 | - | 4.48 | 38,209 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,957 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,330 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 672,330 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 71,432 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 145,315 |
| Category Elimination - Elements | 0 | - | 4.61 | 54,079 |
| Literary Characters by Last Name | 0 | - | 4.37 | 26,256 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,650,535 |
| Popular Royal Names | 0 | - | 4.27 | 125,328 |
| First Names of Painters | 0 | - | 4.43 | 60,038 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 61,604 |
| U.S. Synonymous Trademarks | 0 | - | 4.07 | 66,906 |
| Books by Country Quiz | 0 | - | 4.30 | 32,310 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,058 |
| What the Dickens? | 0 | - | 4.36 | 8,417 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,776 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,385 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,119,911 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,947 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,219 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,537 |
| Sci-Fi Movie Quotes | 0 | - | 4.32 | 37,208 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 41,095 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,500 |
| Famous Catholics | 0 | - | 4.26 | 33,442 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 277,879 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,970 |
| Colors by Letter | 0 | - | 4.25 | 162,904 |
| Superhero Decoder | 0 | - | 4.36 | 54,967 |
| Marvel Superheroes | 0 | - | 4.38 | 298,891 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 117,254 |
| Car Model to Make | 0 | - | 4.18 | 197,109 |
| Famous Billionaires | 0 | - | 4.14 | 67,555 |
| Sibling Actors | 0 | - | 4.12 | 47,628 |
| Small Countries with Large Economies | 0 | - | 4.63 | 90,379 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,102 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,586 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,879 |
| Countries with Four Letters | 0 | - | 4.99 | 425,541 |
| Random Symbol to Element | 0 | - | 4.88 | 93,871 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,710 |
| Random Country to Capital | 0 | - | 4.98 | 927,367 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,286 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,825 |
| Category Elimination - Cities | 0 | - | 4.25 | 41,221 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,916 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,145 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 276,694 |
| Countries with NO Military | 0 | - | 4.97 | 63,327 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,668 |
| NATO Countries | 0 | - | 4.98 | 283,202 |
| EU Countries Quiz | 0 | - | 4.99 | 277,600 |
| Top Five Countries by Religion | 0 | - | 4.93 | 173,214 |
| Books of the Protestant Bible | 0 | - | 4.84 | 211,809 |
| Majority Muslim Countries | 0 | - | 4.98 | 377,412 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,156 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 741,223 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 97,525 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 88,152 |
| WWII First Names | 0 | - | 4.45 | 41,950 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 49,367 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 96,602 |
| Movies with Colors in the Title #1 | 0 | - | 3.84 | 36,228 |
| Songs with Love in the Title | 0 | - | 4.14 | 18,852 |
| Movies with Colors in the Title #2 | 0 | - | 3.47 | 54,540 |
| Songs with Colors in the Title | 0 | - | 3.88 | 41,741 |
| Songs with Countries in the Title | 0 | - | 3.81 | 44,639 |
| Political Quotes | 0 | - | 4.17 | 19,946 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,950 |
| Islands by Country #1 | 0 | - | 4.90 | 176,262 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,188 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,509 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,357 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 103,496 |
| Superhero Alter Egos | 0 | - | 4.29 | 165,522 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 110,427 |
| Top 50 Comic Book Heroes | 0 | - | 3.93 | 75,848 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,811 |
| Batman Actors Quiz | 0 | - | 4.27 | 48,205 |
| Avengers Team Members | 0 | - | 4.07 | 78,215 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 114,680 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,969 |
| X-Men Mutants | 0 | - | 4.07 | 47,614 |
| The Spiderman Quiz | 0 | - | 4.31 | 73,474 |
| Sports Scandals (Mostly U.S.) | 0 | - | 4.00 | 34,495 |
| Most-Followed Twitter Users | 0 | - | 3.94 | 76,025 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.57 | 29,656 |
| Countries by Emojis | 0 | - | 4.99 | 241,763 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,558 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,667 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,673 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,903 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,304 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.15 | 63,900 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,185 |
| The Only Country ... | 0 | - | 4.91 | 81,831 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,623 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,503 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,528 |
| Country Chain | 0 | - | 4.96 | 218,363 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,614 |
| Random Countries by Borders | 0 | - | 4.99 | 83,038 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,760 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,522 |
| Capital Cities Chain | 0 | - | 4.84 | 83,316 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 111,053 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,875 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,515 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 50,111 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,858 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,966 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,993 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,991 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,869 |
| Name a Valid Island Country | 0 | - | 4.97 | 129,691 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,807 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,732 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,856 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,495 |
| Military History Vocabulary | 0 | - | 4.91 | 67,599 |
| Battle to Country | 0 | - | 4.91 | 53,911 |
| Countries with the Most Tanks | 0 | - | 4.91 | 108,219 |
| Monarchies of Europe | 0 | - | 4.90 | 98,801 |
| Monarchies of Asia | 0 | - | 4.97 | 71,476 |
| Coldest World Capitals | 0 | - | 4.95 | 134,132 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,297 |
| World Currency Quiz | 0 | - | 4.92 | 306,465 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 336,809 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 124,608 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 196,044 |
| Countries with the Most Exports | 0 | - | 4.96 | 156,100 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 51,105 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 190,423 |
| Countries by Oil Consumption | 0 | - | 4.96 | 120,751 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 75,124 |
| Richest Island Countries | 0 | - | 4.85 | 101,173 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,629 |
| Largest Economies in 2050 | 0 | - | 4.90 | 111,890 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,445 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 274,579 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.96 | 104,938 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.89 | 85,030 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,769 |
| All World Leaders 2026 | 0 | - | 4.95 | 20,974 |
| The U.S. Government - How Does it Work? | 0 | - | 4.34 | 42,466 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,577 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 112,468 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 89,041 |
| Countries with the Most Catholics | 0 | - | 4.90 | 110,343 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,719 |
| Orthodox Countries | 0 | - | 4.92 | 132,736 |
