| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,071,006 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 34,361 |
| Astronomy Decoder | 0 | - | 4.52 | 37,125 |
| Random Symbol to Element | 0 | - | 4.89 | 90,268 |
| Astronomy Quiz | 0 | - | 4.89 | 78,834 |
| 7 Deadly Sins Quiz | 0 | - | 4.87 | 381,239 |
| Planets By Picture Quiz | 0 | - | 4.50 | 54,022 |
| Category Elimination - Elements | 0 | - | 4.57 | 51,991 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 46,258 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 316,817 |
| Africa Geography Quiz #1 | 0 | - | 4.92 | 48,310 |
| Top Five Countries by Random Categories | 0 | - | 4.94 | 129,223 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.96 | 117,455 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 308,940 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 226,881 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 216,829 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 184,922 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 76,303 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 216,774 |
| Name the Constellations Quiz | 0 | - | 4.58 | 43,690 |
| Small Countries with Large Economies | 0 | - | 4.64 | 87,548 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 127,425 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 223,336 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 76,532 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 159,423 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.89 | 104,565 |
| Category Elimination - African Geography #1 | 0 | - | 4.91 | 88,259 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.95 | 92,328 |
| International Scientific Units | 0 | - | 4.96 | 150,941 |
| First Names of Scientists | 0 | - | 4.50 | 55,511 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 60,812 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,152,729 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,193 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 100,107 |
| Name a Valid Element | 0 | - | 4.64 | 68,261 |
| Star Wars Quotes | 0 | - | 4.83 | 169,043 |
| Random Countries Hidden in the World Map | 0 | - | 4.83 | 107,214 |
| Name a World Capital A-Z | 0 | - | 5.00 | 171,284 |
| Name a Country A-Z | 0 | - | 5.00 | 231,632 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.88 | 46,043 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 114,935 |
| Elements by Symbol Quiz | 0 | - | 4.90 | 190,610 |
| Speed Symbol by Element | 0 | - | 4.92 | 100,614 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 91,467 |
| Noble Gases | 0 | - | 4.89 | 75,416 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 62,498 |
| Periodic Table Symbols Quiz | 0 | - | 4.96 | 66,583 |
| Elements with One-Letter Symbols | 0 | - | 4.82 | 78,487 |
| Name the Virus | 0 | - | 4.86 | 75,115 |
| Birthstones Quiz | 0 | - | 4.41 | 79,816 |
| Famous Lines of Poetry #1 | 0 | - | 4.54 | 33,600 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,253 |
| Brightest Natural Objects in the Sky | 0 | - | 4.41 | 18,684 |
| Books with Names in the Title Quiz #2 | 0 | - | 4.42 | 53,429 |
| Literary Quotes #1 | 0 | - | 4.48 | 26,112 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 355,482 |
| Companies by Country | 0 | - | 4.56 | 115,777 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,133 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 70,674 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,149 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,257 |
| Asia Geography Quiz #1 | 0 | - | 4.77 | 52,712 |
| Asia Geography Quiz #2 | 0 | - | 4.59 | 47,663 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 31,798 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 32,417 |
| Groups of Things - The Bible | 0 | - | 4.42 | 53,840 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 25,955 |
| Word Chain - The Bible | 0 | - | 4.43 | 40,071 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 137,975 |
| Most Popular Fast Food Restaurants | 0 | - | 4.22 | 651,629 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.47 | 68,914 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 139,687 |
| Citrus Fruits | 0 | - | 3.65 | 41,644 |
| Things Named For People #3 - Science | 0 | - | 4.84 | 52,426 |
| Elemental Words | 0 | - | 4.96 | 50,973 |
| Metals of Antiquity | 0 | - | 4.93 | 91,105 |
| The Mars Quiz | 0 | - | 4.54 | 18,253 |
| The Saturn Quiz | 0 | - | 4.54 | 11,284 |
| Popular Royal Names | 0 | - | 4.28 | 122,543 |
| First Names of Painters | 0 | - | 4.41 | 58,629 |
| Books with Animals in the Title #1 | 0 | - | 4.42 | 66,584 |
| Famous Lines of Poetry #2 | 0 | - | 4.57 | 18,093 |
| Character to Author #1 | 0 | - | 4.51 | 42,420 |
| Batfacts: The Batman Quiz | 0 | - | 4.48 | 58,337 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,418 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 77,681 |
| Famous Scientists | 0 | - | 4.56 | 41,885 |
| Astronomy True or False | 0 | - | 4.37 | 35,632 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 211,758 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 58,648 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 62,452 |
| Books with Names in the Title Quiz #1 | 0 | - | 4.29 | 69,478 |
| First Names of Authors #1 | 0 | - | 4.19 | 58,381 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,149 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,048,014 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 155,034 |
| Solve the Secret Country #2 | 0 | - | 4.88 | 109,241 |
| Anagram Chain - Countries | 0 | - | 4.99 | 110,856 |
| Literary Quotes #2 | 0 | - | 4.16 | 22,717 |
| Sci-Fi Movie Quotes Quiz | 0 | - | 4.31 | 36,397 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 731,755 |
| Books by Country Quiz | 0 | - | 4.28 | 31,919 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,550 |
| Colors by Letter | 0 | - | 4.25 | 160,156 |
| Sibling Actors | 0 | - | 4.12 | 47,121 |
| Europe Geography Quiz #3 | 0 | - | 4.33 | 62,646 |
| Oceania Geography Quiz | 0 | - | 4.55 | 21,708 |
| South American Geography Quiz #2 | 0 | - | 4.64 | 38,655 |
| South American Geography Quiz #1 | 0 | - | 4.74 | 32,043 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 436,569 |
| Countries with Four Letters | 0 | - | 4.99 | 408,487 |
| Random Capital to Country | 0 | - | 4.99 | 2,532,369 |
| Random Country to Capital | 0 | - | 4.98 | 883,120 |
| Europe Geography Decoder | 0 | - | 4.86 | 68,079 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,225 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 273,922 |
| Countries with Nuclear Weapons | 0 | - | 4.87 | 253,569 |
| Countries with NO Military | 0 | - | 4.97 | 58,085 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 141,743 |
| Countries by Number of Books Published | 0 | - | 4.95 | 69,969 |
| NATO Countries Quiz | 0 | - | 4.98 | 262,062 |
| EU Countries Quiz | 0 | - | 4.99 | 258,946 |
| Top Five Countries by Religion | 0 | - | 4.91 | 161,982 |
| Books of the Protestant Bible | 0 | - | 4.87 | 199,510 |
| Majority Muslim Countries | 0 | - | 4.98 | 356,536 |
| Scientific Names | 0 | - | 4.32 | 77,333 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 84,573 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.70 | 182,424 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.79 | 61,197 |
| Body Part Cliches | 0 | - | 4.43 | 122,099 |
| Medical Conditions Quiz | 0 | - | 4.78 | 121,496 |
| The Venus Quiz | 0 | - | 4.17 | 6,740 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 22,719 |
| WWII First Names | 0 | - | 4.45 | 40,887 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.35 | 127,654 |
| A to Z: Movie Quotes | 0 | - | 4.30 | 32,937 |
| Best-Selling Breakfast Cereals Quiz | 0 | - | 3.68 | 92,445 |
| Islands by Country #1 | 0 | - | 4.87 | 171,591 |
| Regions of Countries #1 | 0 | - | 4.97 | 156,886 |
| Regions of Countries #2 | 0 | - | 4.95 | 121,112 |
| Regions of Countries #3 | 0 | - | 4.84 | 88,743 |
| Superhero Alter Egos | 0 | - | 4.29 | 161,504 |
| Sidekicks Quiz | 0 | - | 4.25 | 107,926 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 274,054 |
| Character to Author #2 | 0 | - | 4.55 | 29,776 |
| Superhero Decoder | 0 | - | 4.36 | 53,183 |
| Batman Actors Quiz | 0 | - | 4.25 | 47,140 |
| Marvel Superheroes | 0 | - | 4.35 | 287,798 |
| Marvel Comics Movie Franchises | 0 | - | 4.25 | 101,206 |
| Avengers Team Members | 0 | - | 4.09 | 75,149 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.10 | 108,877 |
| X-Men Mutants | 0 | - | 4.03 | 45,706 |
| The Spiderman Quiz | 0 | - | 4.30 | 68,875 |
| Car Model to Make | 0 | - | 4.17 | 190,917 |
| Famous Billionaires | 0 | - | 4.13 | 66,759 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.58 | 26,411 |
| Countries by Emojis | 0 | - | 4.99 | 227,464 |
| MLS Soccer Teams | 0 | - | 4.23 | 82,245 |
| Top Five Countries By Category #2 | 0 | - | 4.92 | 179,823 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 164,155 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.51 | 54,592 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.57 | 47,073 |
| Cities that End in T by Clue | 0 | - | 4.68 | 15,836 |
| Cities that End in G by Clue | 0 | - | 4.59 | 20,470 |
| Parties (Mostly Political) | 0 | - | 4.14 | 19,997 |
| Countries With One Word And Two O's | 0 | - | 4.96 | 52,970 |
| Country Chain | 0 | - | 4.96 | 211,363 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 205,969 |
| Capital Cities Chain | 0 | - | 4.87 | 79,050 |
| Name a Major European City A-Z | 0 | - | 4.33 | 47,860 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 87,104 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.11 | 47,786 |
| Name a Valid Country #3 | 0 | - | 4.99 | 232,432 |
| Name a Valid Country #1 | 0 | - | 4.99 | 266,069 |
| Name a Valid Country #2 | 0 | - | 4.98 | 235,598 |
| Name a Valid Country #4 | 0 | - | 4.97 | 228,066 |
| Name a Valid Country #5 | 0 | - | 4.99 | 181,398 |
| Name a Valid Country #6 | 0 | - | 4.95 | 118,945 |
| Name a Valid Country #7 | 0 | - | 4.91 | 119,468 |
| Name a Valid Country #8 | 0 | - | 4.86 | 89,411 |
| Countries with the Most Tanks | 0 | - | 4.87 | 88,056 |
| Coldest World Capitals | 0 | - | 4.95 | 131,940 |
| World Currency Quiz | 0 | - | 4.91 | 275,893 |
| Countries with the Most Billionaires | 0 | - | 4.91 | 326,459 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 116,689 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 47,854 |
| Top Oil Reserve Countries | 0 | - | 4.92 | 72,093 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 126,883 |
| Countries with the Most Christians | 0 | - | 4.92 | 136,713 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 83,490 |
| Buddhist Countries | 0 | - | 4.96 | 139,500 |
| Science General Knowledge #1 | 0 | - | 4.52 | 159,650 |
| Science General Knowledge #2 | 0 | - | 4.46 | 112,709 |
| Science General Knowledge #3 | 0 | - | 4.55 | 96,938 |
| Science Vocabulary #2 | 0 | - | 4.52 | 58,137 |
| Word Chain - Science | 0 | - | 4.59 | 53,477 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 37,450 |
| Science Multiple Choice #2 | 0 | - | 4.39 | 35,612 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 148,062 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,624 |
