| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,628 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,636 |
| Astronomy Decoder | 0 | - | 4.50 | 37,841 |
| Random Symbol to Element | 0 | - | 4.88 | 92,208 |
| Astronomy Quiz | 0 | - | 4.89 | 81,683 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,840 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,175 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,230 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,968 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,089 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,469 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,672 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 48,997 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,013 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,422 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,542 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,787 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,304 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,774 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,544 |
| Name the Constellations | 0 | - | 4.58 | 44,655 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,350 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,499 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,504 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,521 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,149 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,710 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,089 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,553 |
| International Scientific Units | 0 | - | 4.95 | 155,328 |
| First Names of Scientists | 0 | - | 4.50 | 56,452 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,212 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,220,193 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,825 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,188 |
| Name a Valid Element | 0 | - | 4.64 | 69,564 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,377 |
| Star Wars Quotes | 0 | - | 4.84 | 173,416 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,666 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,957 |
| Name a Country A-Z | 0 | - | 5.00 | 240,361 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,466 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,076 |
| Birthstones by Month | 0 | - | 4.41 | 80,479 |
| Elements by Symbol | 0 | - | 4.92 | 195,491 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,609 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,441 |
| Noble Gases | 0 | - | 4.89 | 77,440 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 64,043 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,897 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,864 |
| Name the Virus | 0 | - | 4.86 | 76,245 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,139 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,291 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,701 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,719 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,458 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 361,635 |
| Companies by Country | 0 | - | 4.56 | 118,699 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,987 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,611 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,941 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,980 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,326 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,320 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,147 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,803 |
| Groups of Things - The Bible | 0 | - | 4.43 | 54,802 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,861 |
| Word Chain - The Bible | 0 | - | 4.44 | 41,018 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 138,950 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 664,758 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,474 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,196 |
| Citrus Fruits | 0 | - | 3.65 | 41,949 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,582 |
| Elemental Words | 0 | - | 4.96 | 51,986 |
| Metals of Antiquity | 0 | - | 4.94 | 92,900 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,386 |
| The Mars Quiz | 0 | - | 4.55 | 18,575 |
| The Saturn Quiz | 0 | - | 4.54 | 11,500 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,587,408 |
| Popular Royal Names | 0 | - | 4.27 | 124,471 |
| First Names of Painters | 0 | - | 4.43 | 59,596 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,289 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,422 |
| Character to Author #1 | 0 | - | 4.52 | 43,206 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 60,287 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,745 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,823 |
| Famous Scientists | 0 | - | 4.57 | 42,449 |
| Astronomy True or False | 0 | - | 4.38 | 36,264 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,553 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,290 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,008 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,615 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,819 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,132 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,088 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,215 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,273 |
| Sci-Fi Movie Quotes | 0 | - | 4.31 | 36,844 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 743,139 |
| Books by Country Quiz | 0 | - | 4.30 | 32,176 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,823 |
| Colors by Letter | 0 | - | 4.25 | 162,023 |
| Sibling Actors | 0 | - | 4.12 | 47,443 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,392 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,977 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,190 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,470 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,744 |
| Countries with Four Letters | 0 | - | 4.99 | 418,479 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,823 |
| Random Country to Capital | 0 | - | 4.98 | 911,510 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,534 |
| Name a Valid World City | 0 | - | 4.83 | 70,123 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,858 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,822 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,174 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,893 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,240 |
| Countries with NO Military | 0 | - | 4.97 | 61,161 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,740 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,900 |
| NATO Countries | 0 | - | 4.98 | 275,676 |
| EU Countries Quiz | 0 | - | 4.99 | 269,883 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,017 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,173 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,476 |
| The Venus Quiz | 0 | - | 4.21 | 6,887 |
| Scientific Names | 0 | - | 4.32 | 78,160 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,034 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,904 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,275 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,191 |
| Body Part Cliches | 0 | - | 4.43 | 123,047 |
| Bones of the Human Body | 0 | - | 4.56 | 36,154 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,105 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,399 |
| WWII First Names | 0 | - | 4.44 | 41,559 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 128,916 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,804 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,773 |
| Islands by Country #1 | 0 | - | 4.87 | 174,471 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,908 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,271 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,328 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,067 |
| Who Did These Sidekicks Work With? | 0 | - | 4.24 | 109,785 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,487 |
| Character to Author #2 | 0 | - | 4.55 | 30,272 |
| Superhero Decoder | 0 | - | 4.36 | 54,322 |
| Batman Actors Quiz | 0 | - | 4.26 | 47,815 |
| Marvel Superheroes | 0 | - | 4.37 | 294,616 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 114,828 |
| Avengers Team Members | 0 | - | 4.05 | 77,042 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 112,286 |
| X-Men Mutants | 0 | - | 4.05 | 46,856 |
| The Spiderman Quiz | 0 | - | 4.31 | 71,911 |
| Car Model to Make | 0 | - | 4.18 | 195,143 |
| Famous Billionaires | 0 | - | 4.14 | 67,251 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 28,262 |
| Countries by Emojis | 0 | - | 4.99 | 236,139 |
| MLS Soccer Teams | 0 | - | 4.23 | 83,968 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,300 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,422 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,216 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,587 |
| Cities that End in T by Clue | 0 | - | 4.70 | 16,989 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,268 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,300 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,097 |
| Country Chain | 0 | - | 4.96 | 215,708 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,767 |
| Capital Cities Chain | 0 | - | 4.84 | 81,910 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,117 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,985 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,208 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,784 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,436 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,364 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,544 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,772 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,373 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,458 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,999 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,238 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,249 |
| Coldest World Capitals | 0 | - | 4.95 | 133,038 |
| World Currency Quiz | 0 | - | 4.92 | 298,402 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,838 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,067 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,731 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,120 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,674 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,430 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,909 |
| Buddhist Countries | 0 | - | 4.96 | 142,934 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,094 |
