| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,094,131 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,799 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,500 |
| Random Symbol to Element | 0 | - | 4.88 | 92,552 |
| Astronomy Quiz | 0 | - | 4.90 | 82,162 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,504 |
| Solar System Trivia | 0 | - | 4.93 | 46,359 |
| 7 Deadly Sins | 0 | - | 4.88 | 397,935 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,457 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 318,868 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,378 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,690 |
| Marvel Cinematic Universe - All Movies | 0 | - | 4.89 | 335,863 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,372 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,150 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 234,825 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 223,922 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,295 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,386 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,178 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,930 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,982 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,172 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,389 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,823 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,095 |
| International Scientific Units | 0 | - | 4.95 | 156,083 |
| First Names of Scientists | 0 | - | 4.50 | 56,658 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,491 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,231,946 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,912 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,546 |
| Name a Valid Element | 0 | - | 4.64 | 69,802 |
| Literary Quotes #1 | 0 | - | 4.49 | 33,503 |
| Star Wars Quotes | 0 | - | 4.83 | 178,931 |
| Superhero Decoder | 0 | - | 4.36 | 54,494 |
| Random Countries Hidden in the World Map | 0 | - | 4.82 | 112,370 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,548 |
| Name a Country A-Z | 0 | - | 5.00 | 241,893 |
| Name a Disney/Pixar Movie A-Z | 0 | - | 4.84 | 51,262 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,915 |
| Birthstones by Month | 0 | - | 4.41 | 80,569 |
| Elements by Symbol | 0 | - | 4.92 | 196,414 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,183 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,751 |
| Noble Gases | 0 | - | 4.89 | 77,808 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,322 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,600 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,257 |
| Name the Virus | 0 | - | 4.86 | 76,553 |
| Famous Lines of Poetry #1 | 0 | - | 4.55 | 34,217 |
| Name the Metal Alloy | 0 | - | 4.70 | 13,526 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,762 |
| Brightest Natural Objects in the Sky | 0 | - | 4.45 | 28,069 |
| Books with Names in the Title #2 | 0 | - | 4.42 | 54,558 |
| Name the 7 Dwarfs | 0 | - | 4.55 | 362,762 |
| Companies by Country | 0 | - | 4.61 | 119,040 |
| Groups of Things - The Bible | 0 | - | 4.44 | 55,124 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,035 |
| Word Chain - The Bible | 0 | - | 4.48 | 50,270 |
| U.S. Chain Restaurant Menu | 0 | - | 4.08 | 139,079 |
| Most Popular Fast Food Restaurants | 0 | - | 4.23 | 667,163 |
| World Countries by 10 Category Elimination #2 | 0 | - | 4.48 | 70,740 |
| Category Elimination - Countries #5 | 0 | - | 4.69 | 143,825 |
| Citrus Fruits | 0 | - | 3.63 | 42,005 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,783 |
| Elemental Words | 0 | - | 4.96 | 52,153 |
| Metals of Antiquity | 0 | - | 4.94 | 93,169 |
| Signs of the Zodiac Quiz | 0 | - | 4.45 | 224,768 |
| Name the Constellations | 0 | - | 4.58 | 44,862 |
| The Jupiter Quiz | 0 | - | 4.64 | 16,424 |
| The Mars Quiz | 0 | - | 4.55 | 18,617 |
| The Saturn Quiz | 0 | - | 4.54 | 11,533 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,605,684 |
| Popular Royal Names | 0 | - | 4.27 | 124,742 |
| First Names of Painters | 0 | - | 4.43 | 59,747 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,464 |
| Famous Lines of Poetry #2 | 0 | - | 4.55 | 18,468 |
| Character to Author #1 | 0 | - | 4.52 | 43,379 |
| Batfacts: The Batman Quiz | 0 | - | 4.49 | 60,597 |
| U.S. Synonymous Trademarks | 0 | - | 4.06 | 66,786 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,198 |
| Famous Scientists | 0 | - | 4.57 | 42,545 |
| Astronomy True or False | 0 | - | 4.39 | 36,362 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,329 |
| Books with Names in the Title #1 | 0 | - | 4.26 | 70,370 |
| First Names of Authors #1 | 0 | - | 4.20 | 59,098 |
| First Names of Authors #2 | 0 | - | 4.24 | 36,690 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,094,938 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 164,468 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,255 |
| Anagram Chain - Countries | 0 | - | 4.98 | 115,885 |
| Literary Quotes #2 | 0 | - | 4.18 | 24,338 |
| Sci-Fi Movie Quotes | 0 | - | 4.31 | 36,926 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 745,360 |
| Books by Country Quiz | 0 | - | 4.30 | 32,203 |
| Stores in the Mall #1 | 0 | - | 3.89 | 45,867 |
| Colors by Letter | 0 | - | 4.25 | 162,287 |
| Sibling Actors | 0 | - | 4.12 | 47,497 |
| Small Countries with Large Economies | 0 | - | 4.63 | 89,647 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,230 |
| Countries with Four Letters | 0 | - | 4.99 | 420,500 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,815 |
| Random Country to Capital | 0 | - | 4.98 | 915,407 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,769 |
| Name a Valid World City | 0 | - | 4.83 | 70,672 |
| Category Elimination - Cities | 0 | - | 4.25 | 40,967 |
| Countries but all Vowels are Changed to O | 0 | - | 4.93 | 68,756 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,909 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 286,548 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 270,630 |
| Countries with NO Military | 0 | - | 4.97 | 61,678 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 147,527 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,222 |
| NATO Countries | 0 | - | 4.98 | 278,289 |
| EU Countries Quiz | 0 | - | 4.99 | 271,845 |
| Top Five Countries by Religion | 0 | - | 4.93 | 170,162 |
| Books of the Protestant Bible | 0 | - | 4.89 | 208,841 |
| Majority Muslim Countries | 0 | - | 4.98 | 372,081 |
| The Venus Quiz | 0 | - | 4.21 | 6,904 |
| Scientific Names | 0 | - | 4.32 | 78,299 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,278 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,957 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 187,971 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,362 |
| Body Part Cliches | 0 | - | 4.43 | 123,200 |
| Bones of the Human Body | 0 | - | 4.52 | 41,697 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,874 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 716,614 |
| WWII First Names | 0 | - | 4.44 | 41,686 |
| Title in the Lyrics - Disney Songs | 0 | - | 4.36 | 129,303 |
| Movie Quotes A-Z #1 | 0 | - | 4.31 | 40,872 |
| Best-Selling Breakfast Cereals | 0 | - | 3.68 | 92,837 |
| Islands by Country #1 | 0 | - | 4.87 | 174,863 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,200 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,557 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,524 |
| Superhero Alter Egos | 0 | - | 4.29 | 164,414 |
| Who Did These Sidekicks Work With? | 0 | - | 4.25 | 109,968 |
| Disney Feature Films by Characters | 0 | - | 4.42 | 276,942 |
| Character to Author #2 | 0 | - | 4.55 | 30,374 |
| Batman Actors Quiz | 0 | - | 4.27 | 47,930 |
| Marvel Superheroes | 0 | - | 4.37 | 295,977 |
| Marvel Comics Movie Franchises | 0 | - | 4.29 | 115,604 |
| Avengers Team Members | 0 | - | 4.07 | 77,357 |
| Marvel Cinematic Universe - Actor to Character | 0 | - | 4.11 | 112,886 |
| X-Men Mutants | 0 | - | 4.06 | 47,062 |
| The Spiderman Quiz | 0 | - | 4.31 | 72,437 |
| Car Model to Make | 0 | - | 4.18 | 195,960 |
| Famous Billionaires | 0 | - | 4.14 | 67,339 |
| Star Wars Characters Screen Time by Movie | 0 | - | 4.56 | 28,673 |
| Countries by Emojis | 0 | - | 4.99 | 237,902 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,080 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 170,378 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,341 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,667 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,193 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,453 |
| Parties (Mostly Political) | 0 | - | 4.14 | 20,351 |
| Countries With One Word And Two O's | 0 | - | 4.94 | 55,479 |
| Country Chain | 0 | - | 4.96 | 216,484 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 215,217 |
| WWII Decoder | 0 | - | 4.41 | 53,371 |
| Capital Cities Chain | 0 | - | 4.84 | 82,286 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,329 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,429 |
| Category Elimination - Disney Animated Movies | 0 | - | 4.08 | 49,491 |
| Name a Valid Country #3 | 0 | - | 4.99 | 261,831 |
| Name a Valid Country #1 | 0 | - | 4.99 | 287,283 |
| Name a Valid Country #2 | 0 | - | 4.98 | 249,218 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,189 |
| Name a Valid Country #5 | 0 | - | 4.99 | 205,148 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,415 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,340 |
| Name a Valid Country #8 | 0 | - | 4.85 | 97,706 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,321 |
| Countries with the Most Tanks | 0 | - | 4.91 | 106,826 |
| Coldest World Capitals | 0 | - | 4.95 | 133,235 |
| World Currency Quiz | 0 | - | 4.92 | 300,759 |
| Countries with the Most Billionaires | 0 | - | 4.90 | 334,059 |
| Countries with the Most Millionaires | 0 | - | 4.86 | 122,828 |
| Biggest Export Partners For Every Country | 0 | - | 4.98 | 50,144 |
| Top Oil Reserve Countries | 0 | - | 4.93 | 74,478 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,138 |
| Countries with the Most Christians | 0 | - | 4.92 | 142,371 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 87,567 |
| Buddhist Countries | 0 | - | 4.96 | 143,460 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,219 |
| Science General Knowledge #1 | 0 | - | 4.54 | 164,198 |
| Science General Knowledge #2 | 0 | - | 4.48 | 117,271 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,756 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,430 |
| Word Chain - Science | 0 | - | 4.59 | 54,640 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,568 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,430 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,195 |
| Environmental Issues | 0 | - | 4.54 | 26,779 |
| MCU Infinity Stones | 0 | - | 4.19 | 20,077 |
| U.S. Baby Boy Names by Letter | 0 | - | 3.86 | 96,723 |
| U.S. Baby Girls Names by Letter | 0 | - | 3.71 | 75,352 |
