| 7 Deadly Sins | 0 | - | 4.88 | 394,700 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,413 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,887 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,476 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,080 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,890 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,391 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,473 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,719 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,239 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,737 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,470 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,426 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,494 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,091 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,676 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,065 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,521 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,369 |
| Star Wars Quotes | 0 | - | 4.84 | 173,375 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,772 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,617 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,917 |
| Name a Country A-Z | 0 | - | 5.00 | 240,276 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,410 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,020 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,136 |
| Word Scramble - Pokémon | 0 | - | 4.36 | 33,876 |
| Countries with the Top Chess Players | 0 | - | 4.53 | 75,149 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,452 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 361,572 |
| Most Popular NBA Jerseys | 0 | - | 4.38 | 832,480 |
| Companies by Country | 0 | - | 4.56 | 118,666 |
| Groups of Things - The Bible | 0 | - | 4.43 | 54,785 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,854 |
| Astronomy Decoder | 0 | - | 4.50 | 37,832 |
| Word Chain - The Bible | 0 | - | 4.44 | 41,005 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 138,941 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 664,612 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,456 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,160 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,212 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 269,463 |
| Video Games Quotes | 0 | - | 3.67 | 45,291 |
| Minecraft Mobs | 0 | - | 4.89 | 200,985 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,372 |
| Popular Royal Names | 0 | - | 4.27 | 124,462 |
| First Names of Painters | 0 | - | 4.43 | 59,591 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,276 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,419 |
| 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 | 72,379 |
| Mario Characters by Description | 0 | - | 4.70 | 129,178 |
| 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 | 2,087,461 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,070 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,034 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,187 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,269 |
| Sci-Fi Movie Quotes | 0 | - | 4.31 | 36,841 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,799 |
| Most Popular NFL Jerseys | 0 | - | 4.19 | 236,442 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,037 |
| Books by Country Quiz | 0 | - | 4.30 | 32,172 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,469 |
| 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 | 162,013 |
| Superhero Decoder | 0 | - | 4.36 | 54,313 |
| Marvel Superheroes | 0 | - | 4.37 | 294,549 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 114,792 |
| Car Model to Make | 0 | - | 4.18 | 195,113 |
| Famous Billionaires | 0 | - | 4.14 | 67,247 |
| Sibling Actors | 0 | - | 4.12 | 47,441 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,325 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,666 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,211 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,582 |
| Countries with Four Letters | 0 | - | 4.99 | 418,381 |
| Random Symbol to Element | 0 | - | 4.88 | 92,195 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,484 |
| Random Country to Capital | 0 | - | 4.98 | 911,308 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,521 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,104 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,853 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,768 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,145 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,791 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,097 |
| Countries with NO Military | 0 | - | 4.97 | 61,139 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,696 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,887 |
| NATO Countries | 0 | - | 4.98 | 275,536 |
| EU Countries Quiz | 0 | - | 4.99 | 269,758 |
| Top Five Countries by Religion | 0 | - | 4.93 | 168,977 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,095 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,354 |
| Fill-in-the-Blank Video Game Titles | 0 | - | 4.23 | 110,743 |
| Video Games by Clue | 0 | - | 4.26 | 179,681 |
| Original 151 Pokémon | 0 | - | 4.95 | 785,015 |
| Pokémon Theme Tune Lyrics | 0 | - | 4.31 | 90,031 |
| All the Pokémon (#0001 to #1025) | 0 | - | 4.98 | 133,393 |
| Original Mortal Kombat Characters | 0 | - | 4.09 | 40,768 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,181 |
| 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 | 47,627 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,608 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 128,906 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 54,420 |
| Books with Food in the Title | 0 | - | 3.93 | 39,587 |
| Political Quotes | 0 | - | 4.17 | 19,800 |
| Islands by Country #1 | 0 | - | 4.87 | 174,453 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,884 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,256 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,320 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,579 |
| Famous Catholics | 0 | - | 4.16 | 27,469 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,047 |
| 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 | 77,020 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 112,250 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,275 |
| X-Men Mutants | 0 | - | 4.05 | 46,841 |
| The Spiderman Quiz | 0 | - | 4.31 | 71,882 |
| 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 | 28,235 |
| Countries by Emojis | 0 | - | 4.99 | 236,053 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,992 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,396 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,427 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,260 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,388 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.18 | 47,366 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,131 |
| The Only Country ... | 0 | - | 4.91 | 79,820 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,299 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,080 |
| Country Chain | 0 | - | 4.96 | 215,665 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,311 |
| Random Countries by Borders | 0 | - | 4.99 | 81,642 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,703 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,156 |
| Capital Cities Chain | 0 | - | 4.84 | 81,889 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,321 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 88,814 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,956 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,194 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,731 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,302 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,311 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,468 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,719 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,017 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,337 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,409 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,958 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,234 |
| Military History Vocabulary | 0 | - | 4.91 | 66,623 |
| Battle to Country | 0 | - | 4.91 | 52,494 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,225 |
| Monarchies of Europe | 0 | - | 4.90 | 97,282 |
| Monarchies of Asia | 0 | - | 4.97 | 70,582 |
| Coldest World Capitals | 0 | - | 4.95 | 133,028 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,022 |
| World Currency Quiz | 0 | - | 4.92 | 298,243 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,748 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,023 |
| Five Biggest Economies by Continent | 0 | - | 4.98 | 193,857 |
| Countries with the Most Exports | 0 | - | 4.96 | 154,118 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,704 |
| Top Crude Oil Producing Countries | 0 | - | 4.89 | 188,448 |
| Countries by Oil Consumption | 0 | - | 4.96 | 119,525 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,093 |
| Richest Island Countries | 0 | - | 4.84 | 99,478 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,637 |
| Largest Economies in 2050 | 0 | - | 4.90 | 110,617 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,685 |
| Richest Countries by Per-Capita GDP | 0 | - | 4.96 | 261,983 |
| Countries With Highest GDP as a Percent of Continent | 0 | - | 4.95 | 102,904 |
| Countries with the Highest GDP per Square Kilometer | 0 | - | 4.90 | 83,682 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,286 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,395 |
| Five Countries with Most Christians by Continent | 0 | - | 4.99 | 110,553 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,882 |
| Countries with the Most Catholics | 0 | - | 4.90 | 107,980 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,185 |
| Orthodox Countries | 0 | - | 4.91 | 130,342 |
| Countries with the Most Muslims | 0 | - | 4.95 | 159,237 |
| Buddhist Countries | 0 | - | 4.96 | 142,909 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,623 |
