| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,094,380 |
| Random Symbol to Element | 0 | - | 4.88 | 92,619 |
| 7 Deadly Sins | 0 | - | 4.88 | 398,136 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,510 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,020 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,481 |
| Astronomy Decoder | 0 | - | 4.50 | 37,953 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 336,153 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,813 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,414 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,718 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,460 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,236 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,938 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,032 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,378 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,450 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,233 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,071 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,033 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,258 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,432 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,871 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,137 |
| International Scientific Units | 0 | - | 4.95 | 156,129 |
| First Names of Scientists | 0 | - | 4.50 | 56,672 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,504 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,921 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,576 |
| Name a Valid Element | 0 | - | 4.64 | 69,817 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,353 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,513 |
| Star Wars Quotes | 0 | - | 4.83 | 180,581 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,434 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,586 |
| Name a Country A-Z | 0 | - | 5.00 | 242,017 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,325 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,985 |
| Birthstones by Month | 0 | - | 4.41 | 80,578 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,232,742 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,523 |
| Sea in the Answers | 0 | - | 4.10 | 48,732 |
| Countries With One Word and Two U's | 0 | - | 4.45 | 50,658 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,222 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,539 |
| Elements by Symbol | 0 | - | 4.92 | 196,456 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,766 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,228 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,763 |
| Noble Gases | 0 | - | 4.89 | 77,848 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,340 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,660 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,288 |
| Name the Virus | 0 | - | 4.86 | 76,566 |
| Saint in the Answers | 0 | - | 4.10 | 44,235 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,568 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 362,825 |
| Companies by Country | 0 | - | 4.61 | 119,068 |
| Groups of Things - The Bible | 0 | - | 4.44 | 55,138 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,042 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,362 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,086 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 667,359 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 70,781 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,871 |
| Citrus Fruits | 0 | - | 3.63 | 42,008 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,807 |
| Elemental Words | 0 | - | 4.96 | 52,161 |
| Metals of Antiquity | 0 | - | 4.94 | 93,188 |
| Heart in the Answers | 0 | - | 4.02 | 43,102 |
| Mother in the Answers | 0 | - | 4.05 | 34,802 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,607,065 |
| Popular Royal Names | 0 | - | 4.27 | 124,761 |
| First Names of Painters | 0 | - | 4.43 | 59,758 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,474 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,471 |
| Character to Author #1 | 0 | - | 4.52 | 43,396 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 60,627 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,790 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,221 |
| Famous Scientists | 0 | - | 4.57 | 42,547 |
| Astronomy Quiz | 0 | - | 4.90 | 82,201 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,364 |
| Bear in the Answers | 0 | - | 4.29 | 61,758 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,375 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,105 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,693 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,095,362 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,563 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,334 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,929 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,343 |
| Sci-Fi Movie Quotes | 0 | - | 4.31 | 36,940 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,880 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,509 |
| Books by Country Quiz | 0 | - | 4.30 | 32,205 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,973 |
| Character to Author #2 | 0 | - | 4.55 | 30,382 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,871 |
| Colors by Letter | 0 | - | 4.25 | 162,306 |
| Superhero Decoder | 0 | - | 4.36 | 54,514 |
| Marvel Superheroes | 0 | - | 4.37 | 296,079 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 115,657 |
| Car Model to Make | 0 | - | 4.18 | 196,007 |
| Famous Billionaires | 0 | - | 4.14 | 67,345 |
| Sibling Actors | 0 | - | 4.12 | 47,505 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,673 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,326 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,345 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,673 |
| Countries with Four Letters | 0 | - | 4.99 | 420,730 |
| Random Capital to Country | 0 | - | 4.99 | 2,585,353 |
| Random Country to Capital | 0 | - | 4.98 | 915,875 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,781 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,346 |
| Name a Valid World City | 0 | - | 4.83 | 70,733 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,977 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,825 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,961 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,696 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,821 |
| Countries with NO Military | 0 | - | 4.97 | 61,727 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,614 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,256 |
| NATO Countries | 0 | - | 4.98 | 278,467 |
| EU Countries Quiz | 0 | - | 4.99 | 272,032 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,255 |
| Books of the Protestant Bible | 0 | - | 4.89 | 208,943 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,267 |
| Scientific Names | 0 | - | 4.32 | 78,313 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,293 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,960 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,012 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,375 |
| Body Part Cliches | 0 | - | 4.43 | 123,211 |
| Bones of the Human Body | 0 | - | 4.52 | 41,748 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,904 |
| Dog in the Answers | 0 | - | 4.16 | 68,466 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 717,013 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,728 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,359 |
| WWII First Names | 0 | - | 4.44 | 41,699 |
| Countries by Initial Letter and Continent #3 | 0 | - | 4.93 | 48,279 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.91 | 95,963 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 129,331 |
| Title in the Lyrics - Musicals | 0 | - | 4.28 | 54,667 |
| Books with Food in the Title | 0 | - | 3.93 | 39,639 |
| Political Quotes | 0 | - | 4.17 | 19,857 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,840 |
| Islands by Country #1 | 0 | - | 4.87 | 174,899 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,219 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,575 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,541 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 102,875 |
| Famous Catholics | 0 | - | 4.16 | 27,682 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,439 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 109,983 |
| Top 50 Comic Book Heroes | 0 | - | 3.95 | 75,571 |
| Supervillain Alter Egos Quiz | 0 | - | 4.14 | 8,679 |
| Batman Actors Quiz | 0 | - | 4.27 | 47,941 |
| Avengers Team Members | 0 | - | 4.07 | 77,381 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 112,939 |
| Avengers Infinity War Deaths | 0 | - | 4.24 | 45,500 |
| X-Men Mutants | 0 | - | 4.06 | 47,075 |
| The Spiderman Quiz | 0 | - | 4.31 | 72,493 |
| Sports Scandals (Mostly U.S.) | 0 | - | 4.00 | 34,395 |
| Most-Followed Twitter Users | 0 | - | 3.94 | 75,894 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 28,716 |
| Countries by Emojis | 0 | - | 4.99 | 238,031 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,221 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,993 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,768 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,152 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 170,428 |
| Five Most Guessed World Leaders by Country | 0 | - | 4.20 | 48,427 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,437 |
| The Only Country ... | 0 | - | 4.91 | 80,550 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,207 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,469 |
| Country Chain | 0 | - | 4.96 | 216,531 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,790 |
| Random Countries by Borders | 0 | - | 4.99 | 82,091 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,335 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,290 |
| Capital Cities Chain | 0 | - | 4.84 | 82,318 |
| Countries with the Most McDonald's Locations | 0 | - | 4.83 | 110,534 |
| Biggest Countries with No McDonald's | 0 | - | 4.84 | 89,168 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,484 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,507 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,929 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,475 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,368 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,309 |
| Name a Valid Country #5 | 0 | - | 4.99 | 205,433 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,560 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,504 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,423 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,797 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,331 |
| Military History Vocabulary | 0 | - | 4.91 | 66,915 |
