| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,700 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,642 |
| Astronomy Decoder | 0 | - | 4.50 | 37,845 |
| Random Symbol to Element | 0 | - | 4.88 | 92,215 |
| Astronomy Quiz | 0 | - | 4.89 | 81,692 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,884 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,183 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,232 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 317,005 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,096 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,470 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 332,741 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,001 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 137,039 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 121,434 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 233,567 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 222,816 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 190,323 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,788 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 223,567 |
| Name the Constellations | 0 | - | 4.58 | 44,656 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,358 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,508 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,531 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,525 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,164 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,719 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,095 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,564 |
| International Scientific Units | 0 | - | 4.95 | 155,339 |
| First Names of Scientists | 0 | - | 4.50 | 56,457 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,222 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,220,397 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,826 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,192 |
| Name a Valid Element | 0 | - | 4.64 | 69,571 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,378 |
| Star Wars Quotes | 0 | - | 4.84 | 173,428 |
| Random Countries Hidden in the World Map | 0 | - | 4.81 | 111,677 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,973 |
| Name a Country A-Z | 0 | - | 5.00 | 240,400 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.89 | 50,481 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,096 |
| Birthstones by Month | 0 | - | 4.41 | 80,480 |
| Elements by Symbol | 0 | - | 4.92 | 195,508 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,626 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,448 |
| Noble Gases | 0 | - | 4.89 | 77,448 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 64,047 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,910 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,872 |
| Name the Virus | 0 | - | 4.86 | 76,251 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,140 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,293 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,701 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 27,724 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,458 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 361,663 |
| Companies by Country | 0 | - | 4.56 | 118,710 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,991 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,616 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,944 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,982 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,329 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,323 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,149 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,805 |
| Groups of Things - The Bible | 0 | - | 4.43 | 54,804 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,868 |
| Word Chain - The Bible | 0 | - | 4.44 | 41,021 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 138,953 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 664,824 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 70,477 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,213 |
| Citrus Fruits | 0 | - | 3.65 | 41,949 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,584 |
| Elemental Words | 0 | - | 4.96 | 51,986 |
| Metals of Antiquity | 0 | - | 4.94 | 92,906 |
| 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 | 5,587,827 |
| Popular Royal Names | 0 | - | 4.27 | 124,479 |
| First Names of Painters | 0 | - | 4.43 | 59,597 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,295 |
| 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 | 60,290 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,746 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,832 |
| Famous Scientists | 0 | - | 4.57 | 42,451 |
| Astronomy True or False | 0 | - | 4.38 | 36,266 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,561 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,291 |
| 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 | 2,087,935 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,155 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,108 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,226 |
| 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 | 743,199 |
| 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 | 162,030 |
| Sibling Actors | 0 | - | 4.12 | 47,444 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,393 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,978 |
| South American Geography Quiz #2 | 0 | - | 4.62 | 39,193 |
| South American Geography Quiz #1 | 0 | - | 4.73 | 32,470 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,761 |
| Countries with Four Letters | 0 | - | 4.99 | 418,514 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,932 |
| Random Country to Capital | 0 | - | 4.98 | 911,562 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,538 |
| Name a Valid World City | 0 | - | 4.83 | 70,129 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,860 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,832 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,187 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 284,914 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 268,288 |
| Countries with NO Military | 0 | - | 4.97 | 61,170 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 146,748 |
| Countries by Number of Books Published | 0 | - | 4.95 | 71,901 |
| NATO Countries | 0 | - | 4.98 | 275,721 |
| EU Countries Quiz | 0 | - | 4.99 | 269,903 |
| Top Five Countries by Religion | 0 | - | 4.93 | 169,036 |
| Books of the Protestant Bible | 0 | - | 4.89 | 207,215 |
| Majority Muslim Countries | 0 | - | 4.98 | 368,505 |
| The Venus Quiz | 0 | - | 4.21 | 6,887 |
| Scientific Names | 0 | - | 4.32 | 78,163 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,041 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,904 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,292 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,196 |
| Body Part Cliches | 0 | - | 4.43 | 123,051 |
| Bones of the Human Body | 0 | - | 4.56 | 36,611 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,113 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,460 |
| WWII First Names | 0 | - | 4.44 | 41,560 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 128,922 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,805 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,777 |
| Islands by Country #1 | 0 | - | 4.87 | 174,482 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,918 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,281 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,331 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,079 |
| Who Did These Sidekicks Work With? | 0 | - | 4.24 | 109,789 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,497 |
| Character to Author #2 | 0 | - | 4.55 | 30,272 |
| Superhero Decoder | 0 | - | 4.36 | 54,326 |
| Batman Actors Quiz | 0 | - | 4.26 | 47,816 |
| Marvel Superheroes | 0 | - | 4.37 | 294,639 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 114,848 |
| Avengers Team Members | 0 | - | 4.05 | 77,049 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 112,298 |
| X-Men Mutants | 0 | - | 4.05 | 46,859 |
| The Spiderman Quiz | 0 | - | 4.31 | 71,921 |
| Car Model to Make | 0 | - | 4.18 | 195,150 |
| Famous Billionaires | 0 | - | 4.14 | 67,251 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 28,267 |
| Countries by Emojis | 0 | - | 4.99 | 236,163 |
| MLS Soccer Teams | 0 | - | 4.23 | 83,975 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,316 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,432 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,219 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,588 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,003 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,277 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,301 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,106 |
| Country Chain | 0 | - | 4.96 | 215,720 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,797 |
| Capital Cities Chain | 0 | - | 4.84 | 81,913 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,124 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,992 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,216 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,802 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,475 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,382 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,565 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,788 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,394 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,480 |
| Name a Valid Country #8 | 0 | - | 4.85 | 96,016 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,239 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,260 |
| Coldest World Capitals | 0 | - | 4.95 | 133,040 |
| World Currency Quiz | 0 | - | 4.92 | 298,456 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 332,856 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,085 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 49,740 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,132 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,682 |
| Countries with the Most Christians | 0 | - | 4.92 | 141,447 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 86,916 |
| Buddhist Countries | 0 | - | 4.96 | 142,947 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,097 |
