| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,093,851 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,790 |
| Astronomy Decoder | 0 | - | 4.50 | 37,931 |
| Random Symbol to Element | 0 | - | 4.88 | 92,529 |
| Astronomy Quiz | 0 | - | 4.90 | 82,121 |
| 7 Deadly Sins | 0 | - | 4.88 | 397,713 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,473 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,436 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,672 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,346 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,677 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 335,527 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,205 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,250 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,086 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,698 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,815 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,207 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,342 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,680 |
| Name the Constellations | 0 | - | 4.58 | 44,849 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,626 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,126 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,791 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,944 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,087 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,327 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,778 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,053 |
| International Scientific Units | 0 | - | 4.95 | 156,017 |
| First Names of Scientists | 0 | - | 4.50 | 56,647 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,476 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,230,836 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,900 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,511 |
| Name a Valid Element | 0 | - | 4.64 | 69,781 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,494 |
| Star Wars Quotes | 0 | - | 4.83 | 174,698 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 112,299 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,481 |
| Name a Country A-Z | 0 | - | 5.00 | 241,763 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,195 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,828 |
| Birthstones by Month | 0 | - | 4.41 | 80,562 |
| Elements by Symbol | 0 | - | 4.92 | 196,317 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,138 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,726 |
| Noble Gases | 0 | - | 4.89 | 77,783 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,306 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,545 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,230 |
| Name the Virus | 0 | - | 4.86 | 76,537 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,213 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,501 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,753 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,049 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,550 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 362,679 |
| Companies by Country | 0 | - | 4.61 | 119,009 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,135 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,776 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,080 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,121 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,406 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,427 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,193 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,904 |
| Groups of Things - The Bible | 0 | - | 4.43 | 55,109 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,015 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,160 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,069 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 666,972 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 70,722 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,758 |
| Citrus Fruits | 0 | - | 3.63 | 41,997 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,766 |
| Elemental Words | 0 | - | 4.96 | 52,131 |
| Metals of Antiquity | 0 | - | 4.94 | 93,140 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,422 |
| The Mars Quiz | 0 | - | 4.55 | 18,612 |
| The Saturn Quiz | 0 | - | 4.54 | 11,530 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,604,372 |
| Popular Royal Names | 0 | - | 4.27 | 124,722 |
| First Names of Painters | 0 | - | 4.43 | 59,732 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,453 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,466 |
| Character to Author #1 | 0 | - | 4.52 | 43,357 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 60,569 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,779 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,164 |
| Famous Scientists | 0 | - | 4.57 | 42,536 |
| Astronomy True or False | 0 | - | 4.39 | 36,351 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,287 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,364 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,093 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,687 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,368 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,390 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,173 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,827 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,335 |
| Sci-Fi Movie Quotes | 0 | - | 4.31 | 36,897 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,204 |
| Books by Country Quiz | 0 | - | 4.30 | 32,203 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,862 |
| Colors by Letter | 0 | - | 4.25 | 162,264 |
| Sibling Actors | 0 | - | 4.12 | 47,490 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,524 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,015 |
| South American Geography Quiz #2 | 0 | - | 4.61 | 39,262 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,521 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,092 |
| Countries with Four Letters | 0 | - | 4.99 | 420,351 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,286 |
| Random Country to Capital | 0 | - | 4.98 | 915,029 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,747 |
| Name a Valid World City | 0 | - | 4.83 | 70,614 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,956 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,666 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,856 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,392 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,417 |
| Countries with NO Military | 0 | - | 4.97 | 61,611 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,439 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,181 |
| NATO Countries | 0 | - | 4.98 | 278,114 |
| EU Countries Quiz | 0 | - | 4.99 | 271,643 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,033 |
| Books of the Protestant Bible | 0 | - | 4.89 | 208,691 |
| Majority Muslim Countries | 0 | - | 4.98 | 371,892 |
| The Venus Quiz | 0 | - | 4.21 | 6,902 |
| Scientific Names | 0 | - | 4.32 | 78,286 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,265 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,953 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 187,939 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,347 |
| Body Part Cliches | 0 | - | 4.43 | 123,189 |
| Bones of the Human Body | 0 | - | 4.52 | 41,576 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,843 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 716,169 |
| WWII First Names | 0 | - | 4.44 | 41,678 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 129,282 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,862 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,833 |
| Islands by Country #1 | 0 | - | 4.87 | 174,823 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,180 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,534 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,501 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,384 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 109,951 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,904 |
| Character to Author #2 | 0 | - | 4.55 | 30,361 |
| Superhero Decoder | 0 | - | 4.36 | 54,480 |
| Batman Actors Quiz | 0 | - | 4.27 | 47,917 |
| Marvel Superheroes | 0 | - | 4.37 | 295,865 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 115,545 |
| Avengers Team Members | 0 | - | 4.07 | 77,327 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 112,837 |
| X-Men Mutants | 0 | - | 4.05 | 47,039 |
| The Spiderman Quiz | 0 | - | 4.31 | 72,378 |
| Car Model to Make | 0 | - | 4.18 | 195,924 |
| Famous Billionaires | 0 | - | 4.14 | 67,332 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 28,574 |
| Countries by Emojis | 0 | - | 4.99 | 237,805 |
| MLS Soccer Teams | 0 | - | 4.23 | 84,260 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,008 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 170,318 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,327 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,658 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,180 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,440 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,347 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,448 |
| Country Chain | 0 | - | 4.96 | 216,422 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,030 |
| Capital Cities Chain | 0 | - | 4.84 | 82,256 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,316 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,389 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,466 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,699 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,023 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,043 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,033 |
| Name a Valid Country #5 | 0 | - | 4.99 | 204,786 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,296 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,247 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,600 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,316 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,769 |
| Coldest World Capitals | 0 | - | 4.95 | 133,215 |
| World Currency Quiz | 0 | - | 4.92 | 300,561 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 333,960 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,759 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,110 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,448 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,106 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,303 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,523 |
| Buddhist Countries | 0 | - | 4.96 | 143,404 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,209 |
