| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,001,420 |
| Astronomy Decoder | 0 | - | 4.51 | 34,955 |
| Name the Constellations - With a Map | 0 | - | 4.90 | 30,871 |
| Random Symbol to Element | 0 | - | 4.86 | 82,054 |
| Astronomy Quiz | 0 | - | 4.87 | 63,680 |
| 7 Deadly Sins Quiz | 0 | - | 4.86 | 343,667 |
| Planets By Picture Quiz | 0 | - | 4.54 | 47,839 |
| Category Elimination - Elements | 0 | - | 4.65 | 47,148 |
| Divided World City Name Puzzle #1 | 0 | - | 4.90 | 39,193 |
| Africa Geography Quiz #1 | 0 | - | 4.91 | 45,866 |
| Top Five Countries by Random Categories | 0 | - | 4.97 | 105,612 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.95 | 104,552 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 280,808 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 204,991 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 196,217 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 166,956 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 193,770 |
| Name the Constellations Quiz | 0 | - | 4.57 | 40,982 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.90 | 280,087 |
| Small Countries with Large Economies | 0 | - | 4.72 | 60,585 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 113,522 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 197,931 |
| International Scientific Units | 0 | - | 4.96 | 136,085 |
| First Names of Scientists | 0 | - | 4.47 | 51,995 |
| Electromagnetic Spectrum | 0 | - | 4.91 | 46,704 |
| Elements of the Periodic Table Quiz | 0 | - | 5.00 | 1,906,061 |
| Answers are Elements #2 | 0 | - | 4.41 | 52,075 |
| Metals by Total Mined Value | 0 | - | 4.70 | 39,687 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 84,475 |
| Name a Valid Element | 0 | - | 4.72 | 63,396 |
| Star Wars Quotes | 0 | - | 4.84 | 155,073 |
| Random Countries Hidden in the World Map | 0 | - | 4.84 | 90,410 |
| Name a World Capital A-Z | 0 | - | 4.99 | 139,594 |
| Name a Valid Country A-Z | 0 | - | 4.96 | 81,295 |
| Birthstones Quiz | 0 | - | 4.41 | 77,466 |
| Elements by Symbol Quiz | 0 | - | 4.91 | 172,643 |
| Speed Symbol by Element | 0 | - | 4.89 | 89,422 |
| Noble Gases | 0 | - | 4.82 | 59,092 |
| Elements that are Gases at Room Temperature | 0 | - | 4.84 | 57,117 |
| Periodic Table Symbols Quiz | 0 | - | 4.98 | 50,450 |
| Elements with One-Letter Symbols | 0 | - | 4.82 | 70,025 |
| Medical Conditions Quiz | 0 | - | 4.83 | 114,771 |
| Name the Virus | 0 | - | 4.85 | 61,628 |
| Famous Lines of Poetry #1 | 0 | - | 4.52 | 32,162 |
| Answers are Elements #1 | 0 | - | 4.32 | 50,666 |
| Books with Names in the Title Quiz #2 | 0 | - | 4.41 | 50,780 |
| Literary Quotes #1 | 0 | - | 4.44 | 24,671 |
| Name the 7 Dwarfs | 0 | - | 4.56 | 342,833 |
| Companies by Country | 0 | - | 4.49 | 105,582 |
| Europe Geography Quiz #1 | 0 | - | 4.52 | 66,692 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,152 |
| Europe Geography Quiz #4 | 0 | - | 4.56 | 65,867 |
| Europe Geography Quiz #5 | 0 | - | 4.53 | 57,577 |
| Asia Geography Quiz #1 | 0 | - | 4.79 | 50,666 |
| Asia Geography Quiz #2 | 0 | - | 4.59 | 45,035 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.96 | 22,433 |
| Word Chain - The Bible | 0 | - | 4.43 | 36,804 |
| U.S. Chain Restaurant Menu | 0 | - | 4.04 | 134,441 |
| Most Popular Fast Food Restaurants | 0 | - | 4.22 | 595,892 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.59 | 63,100 |
| Category Elimination - Countries #5 | 0 | - | 4.71 | 126,160 |
| Citrus Fruits | 0 | - | 3.56 | 40,578 |
| Things Named For People #3 - Science | 0 | - | 4.82 | 47,621 |
| Elemental Words | 0 | - | 4.96 | 46,936 |
| Metals of Antiquity | 0 | - | 4.94 | 84,687 |
| Popular Royal Names | 0 | - | 4.25 | 115,389 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 64,095 |
| Famous Lines of Poetry #2 | 0 | - | 4.56 | 17,300 |
| Character to Author #1 | 0 | - | 4.51 | 40,307 |
| Batfacts: The Batman Quiz | 0 | - | 4.48 | 52,488 |
| U.S. Synonymous Trademarks | 0 | - | 4.09 | 65,450 |
| Celebrity Scandals Quiz #1 | 0 | - | 4.06 | 52,211 |
| Major Taxonomic Ranks | 0 | - | 4.64 | 69,888 |
| Famous Scientists | 0 | - | 4.58 | 39,744 |
| Brightest Objects in the Sky | 0 | - | 4.36 | 16,281 |
| Astronomy True or False | 0 | - | 4.35 | 33,481 |
| Songs with Body Parts in the Title | 0 | - | 4.29 | 200,017 |
| Books with Names in the Title Quiz #1 | 0 | - | 4.29 | 66,702 |
| First Names of Authors #1 | 0 | - | 4.20 | 56,449 |
| First Names of Authors #2 | 0 | - | 4.22 | 34,605 |
| Word Scramble - Countries | 0 | - | 4.87 | 1,903,230 |
| Solve the Secret Country #1 | 0 | - | 4.95 | 127,234 |
| Solve the Secret Country #2 | 0 | - | 4.91 | 85,809 |
| Anagram Chain - Countries | 0 | - | 4.98 | 95,237 |
| Literary Quotes #2 | 0 | - | 4.13 | 21,654 |
| Sci-Fi Movie Quotes Quiz | 0 | - | 4.32 | 35,258 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.18 | 696,398 |
| Stores in the Mall #1 | 0 | - | 3.84 | 44,643 |
| Colors by Letter | 0 | - | 4.24 | 153,411 |
| Sibling Actors | 0 | - | 4.10 | 45,971 |
| Europe Geography Quiz #3 | 0 | - | 4.31 | 59,625 |
| Asia Geography Quiz #3 | 0 | - | 4.50 | 30,562 |
| Africa Geography Quiz #2 | 0 | - | 4.57 | 30,978 |
| Oceania Geography Quiz | 0 | - | 4.53 | 20,755 |
| South American Geography Quiz #2 | 0 | - | 4.70 | 36,809 |
| Groups of Things - The Bible | 0 | - | 4.40 | 50,501 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 381,563 |
| Countries with Four Letters | 0 | - | 4.99 | 374,174 |
| Random Capital to Country | 0 | - | 4.99 | 2,339,765 |
| Random Country to Capital | 0 | - | 4.98 | 793,425 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,715 |
| Category Elimination - Cities | 0 | - | 4.29 | 37,591 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 43,126 |
| Countries but all Vowels are Changed to O | 0 | - | 4.84 | 33,085 |
| Countries with the Most Military Troops | 0 | - | 4.94 | 223,739 |
| Countries with Nuclear Weapons | 0 | - | 4.88 | 215,497 |
| Countries with NO Military | 0 | - | 4.96 | 48,426 |
| Countries with the Most Elite Universities | 0 | - | 4.93 | 98,068 |
| All Disney Animated Movies | 0 | - | 4.84 | 381,645 |
| Countries by Number of Books Published | 0 | - | 4.95 | 62,776 |
| NATO Countries Quiz | 0 | - | 4.98 | 223,108 |
| EU Countries Quiz | 0 | - | 4.99 | 225,689 |
| Top Five Countries by Religion | 0 | - | 4.90 | 139,357 |
| Books of the Protestant Bible Quiz | 0 | - | 4.87 | 177,854 |
| Scientific Names | 0 | - | 4.37 | 61,789 |
| Science Multiple Choice #1 | 0 | - | 4.63 | 79,194 |
| Chemical Elements with Short Names | 0 | - | 4.66 | 75,425 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 160,614 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.56 | 48,792 |
| Body Part Cliches | 0 | - | 4.42 | 118,520 |
| The Venus Quiz | 0 | - | 4.08 | 6,343 |
| First Names of Painters | 0 | - | 4.37 | 56,046 |
| WWII First Names | 0 | - | 4.46 | 38,399 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.34 | 118,728 |
| Best-Selling Breakfast Cereals Quiz | 0 | - | 3.71 | 91,471 |
| Islands by Country #1 | 0 | - | 4.87 | 162,672 |
| Regions of Countries #1 | 0 | - | 4.96 | 149,012 |
| Regions of Countries #2 | 0 | - | 4.95 | 113,736 |
| Regions of Countries #3 | 0 | - | 4.81 | 83,207 |
| Superhero Alter Egos | 0 | - | 4.26 | 145,033 |
| Sidekicks Quiz | 0 | - | 4.21 | 103,909 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 265,265 |
| Character to Author #2 | 0 | - | 4.54 | 28,555 |
| Superhero Decoder | 0 | - | 4.37 | 49,887 |
| Batman Actors Quiz | 0 | - | 4.24 | 44,891 |
| Marvel Superheroes | 0 | - | 4.35 | 267,131 |
| Marvel Comics Movie Franchises | 0 | - | 4.19 | 88,862 |
| Avengers Team Members | 0 | - | 4.04 | 70,069 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 98,909 |
| X-Men Mutants | 0 | - | 4.05 | 42,208 |
| The Spiderman Quiz | 0 | - | 4.34 | 61,970 |
| Car Brands Quiz #1 | 0 | - | 4.12 | 169,188 |
| Famous Billionaires | 0 | - | 4.13 | 64,667 |
| Celebrity Scandals Quiz #2 | 0 | - | 4.04 | 12,706 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.59 | 19,797 |
| Countries by Emojis | 0 | - | 4.99 | 202,418 |
| South American Geography Quiz #1 | 0 | - | 4.71 | 30,498 |
| MLS Soccer Teams | 0 | - | 4.18 | 75,115 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 155,750 |
| Top Five Countries By Category #3 | 0 | - | 4.87 | 141,160 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.48 | 43,491 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.53 | 37,401 |
| Parties (Mostly Political) | 0 | - | 4.13 | 18,865 |
| Countries With One Word And Two O's | 0 | - | 4.89 | 33,209 |
| Country Chain | 0 | - | 4.95 | 176,304 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 177,361 |
| Capital Cities Chain | 0 | - | 4.87 | 70,733 |
| Name a Major European City A-Z | 0 | - | 4.33 | 42,428 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 77,788 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.09 | 42,170 |
| Name a Valid Country #3 | 0 | - | 4.98 | 206,508 |
| Name a Valid Country #1 | 0 | - | 4.99 | 224,290 |
| Name a Valid Country #2 | 0 | - | 4.98 | 191,256 |
| Name a Valid Country #4 | 0 | - | 4.96 | 198,080 |
| Name a Valid Country #5 | 0 | - | 4.98 | 144,140 |
| Name a Valid Country #6 | 0 | - | 4.92 | 86,111 |
| Name a Valid Country #7 | 0 | - | 4.90 | 84,961 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,686 |
| Countries with the Most Tanks | 0 | - | 4.89 | 74,542 |
| Coldest World Capitals | 0 | - | 4.96 | 127,662 |
| World Currency Quiz | 0 | - | 4.92 | 244,653 |
| Countries with the Most Millionaires | 0 | - | 4.83 | 81,871 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 40,359 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 65,582 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 117,360 |
| Countries with the Most Christians | 0 | - | 4.93 | 105,855 |
| Least Christian Countries with Exceptions | 0 | - | 4.89 | 71,323 |
| Majority Muslim Countries | 0 | - | 4.97 | 311,293 |
| Buddhist Countries | 0 | - | 4.96 | 129,988 |
| Science General Knowledge #1 | 0 | - | 4.64 | 136,687 |
| Science General Knowledge #2 | 0 | - | 4.47 | 95,719 |
| Science General Knowledge #3 | 0 | - | 4.66 | 87,106 |
| Science Vocabulary #2 | 0 | - | 4.51 | 53,905 |
| Word Chain - Science | 0 | - | 4.65 | 49,706 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.59 | 34,117 |
| Science Multiple Choice #2 | 0 | - | 4.35 | 32,802 |
| Most Common Elements in the Human Body | 0 | - | 4.72 | 138,671 |
| Lightest Chemical Elements A-Z | 0 | - | 4.56 | 30,812 |
| Environmental Issues | 0 | - | 4.52 | 25,216 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.77 | 82,900 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.69 | 71,238 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.93 | 144,923 |
| Countries by Initial Letter and Continent #2 | 0 | - | 4.87 | 86,253 |
| Title in the Lyrics - Musicals | 0 | - | 4.26 | 50,363 |
| Books with Food in the Title Quiz | 0 | - | 3.90 | 38,062 |
| Books with Animals in the Title #2 | 0 | - | 4.20 | 15,946 |
| A to Z: Movie Quotes | 0 | - | 4.28 | 31,572 |
| Political Quotes Quiz | 0 | - | 4.08 | 18,915 |
| Books by Country Quiz | 0 | - | 4.27 | 31,186 |
| UNESCO World Heritage Sites to Country | 0 | - | 4.97 | 94,717 |
