| Science General Knowledge #2 | 0 | - | 4.48 | 119,835 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,752 |
| Random Symbol to Element | 0 | - | 4.88 | 94,238 |
| International Scientific Units | 0 | - | 4.95 | 158,618 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,412 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,104,060 |
| Word Chain - Science | 0 | - | 4.59 | 55,217 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,264,787 |
| The Sun Quiz | 0 | - | 4.93 | 35,225 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 58,717 |
| First Names of Scientists | 0 | - | 4.51 | 57,299 |
| Groups of Two - Science | 0 | - | 4.26 | 48,495 |
| Science Decoder | 0 | - | 4.52 | 28,878 |
| Elements by Symbol | 0 | - | 4.92 | 199,140 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,785 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,245 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,922 |
| Noble Gases | 0 | - | 4.89 | 79,000 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 65,198 |
| Periodic Table Symbols | 0 | - | 4.97 | 81,291 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,570 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,630 |
| Name a Valid Element | 0 | - | 4.68 | 70,501 |
| Name the Virus | 0 | - | 4.87 | 77,202 |
| History General Knowledge #13 | 0 | - | 4.68 | 50,287 |
| Bread Alone | 0 | - | 4.48 | 27,259 |
| Geography General Knowledge #1 | 0 | - | 4.43 | 265,448 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 133,867 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 187,925 |
| Geography General Knowledge #6 | 0 | - | 4.52 | 152,871 |
| Geography General Knowledge #7 | 0 | - | 4.44 | 160,244 |
| Geography General Knowledge #8 | 0 | - | 4.43 | 151,367 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 157,784 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 111,047 |
| Geography General Knowledge #12 | 0 | - | 4.78 | 125,433 |
| Geography General Knowledge #13 | 0 | - | 4.63 | 68,500 |
| History General Knowledge #1 | 0 | - | 4.55 | 129,410 |
| History General Knowledge #3 | 0 | - | 4.50 | 97,150 |
| History General Knowledge #6 | 0 | - | 4.49 | 89,468 |
| History General Knowledge #10 | 0 | - | 4.43 | 78,429 |
| History General Knowledge #11 | 0 | - | 4.45 | 73,297 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 81,319 |
| Famous Scientists | 0 | - | 4.58 | 42,888 |
| Country Decoders #1 | 0 | - | 4.45 | 43,834 |
| Random Geography General Knowledge Quiz | 0 | - | 4.46 | 136,126 |
| Citrus Fruits | 0 | - | 3.67 | 42,225 |
| Things Named For People #3 - Science | 0 | - | 4.86 | 54,350 |
| Answers are Elements #1 | 0 | - | 4.29 | 53,016 |
| Elemental Words | 0 | - | 4.97 | 52,621 |
| Metals of Antiquity | 0 | - | 4.95 | 94,048 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 177,189 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,978 |
| One-Syllable Human Body Parts | 0 | - | 4.30 | 88,616 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,794 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 279,155 |
| How Do You Like Them Apples? | 0 | - | 4.33 | 23,116 |
| Geography General Knowledge #2 | 0 | - | 4.36 | 181,636 |
| Geography General Knowledge #5 | 0 | - | 4.34 | 149,677 |
| Geography General Knowledge #9 | 0 | - | 4.39 | 132,568 |
| History General Knowledge #5 | 0 | - | 4.39 | 107,255 |
| History General Knowledge #7 | 0 | - | 4.35 | 89,226 |
| History General Knowledge #8 | 0 | - | 4.32 | 84,442 |
| History General Knowledge #9 | 0 | - | 4.40 | 80,384 |
| History General Knowledge #12 | 0 | - | 4.32 | 67,624 |
| History General Knowledge #2 | 0 | - | 4.32 | 113,749 |
| History General Knowledge #4 | 0 | - | 4.33 | 111,672 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,188 |
| Category Elimination - Elements | 0 | - | 4.61 | 54,229 |
| Astronomy Decoder | 0 | - | 4.48 | 38,274 |
| Scientific Names | 0 | - | 4.32 | 78,775 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,557 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,250 |
| U.S. Geography General Knowledge #4 | 0 | - | 4.29 | 31,998 |
| U.S. Geography General Knowledge #3 | 0 | - | 4.15 | 34,984 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,662,131 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 87,095 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,118 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,980 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,891 |
| Astronomy Quiz | 0 | - | 4.90 | 83,468 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,825 |
| Solar System Trivia | 0 | - | 4.93 | 47,308 |
| Body Part Cliches | 0 | - | 4.44 | 123,713 |
| Bones of the Human Body | 0 | - | 4.51 | 43,795 |
| Medical Conditions Quiz | 0 | - | 4.78 | 125,013 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,310 |
| Italian Name Translation | 0 | - | 4.83 | 48,316 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,947 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,129,238 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,879 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 121,025 |
| Anagram Chain - Countries | 0 | - | 4.98 | 118,015 |
| 7 Deadly Sins | 0 | - | 4.88 | 405,039 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,477 |
| Disney Animated Characters | 0 | - | 4.88 | 603,284 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,769 |
| April Fools' Quiz #1 | 0 | - | 3.84 | 59,857 |
| April Fools' Quiz #2 | 0 | - | 3.40 | 48,875 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 238,399 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,273 |
| Countries with Four Letters | 0 | - | 4.99 | 426,659 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 171,102 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,411 |
| Eight Most Popular Berries | 0 | - | 4.44 | 100,703 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,773 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,183 |
| Name a Valid World City | 0 | - | 4.85 | 72,188 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,446 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,169 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,605 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,540 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 47,009 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,707 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 307,085 |
| Islands by Country #1 | 0 | - | 4.90 | 176,836 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,387 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,697 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,506 |
| U.S. Geography General Knowledge #1 | 0 | - | 4.14 | 28,746 |
| U.S. Geography General Knowledge #2 | 0 | - | 4.28 | 24,782 |
| Country Decoders #2 | 0 | - | 4.12 | 26,899 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,075 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,585 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,410 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,760 |
| Country Chain | 0 | - | 4.96 | 218,728 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,657 |
| Cold War Decoder | 0 | - | 4.83 | 52,721 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,505 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,513 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,400 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,743 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,738 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,544 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,776 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,252 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,373 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 77,083 |
| Name a Valid Country #10 | 0 | - | 4.93 | 44,499 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,483 |
| Science Vocabulary #2 | 0 | - | 4.52 | 60,036 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 39,014 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,802 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,886 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,619 |
| Environmental Issues | 0 | - | 4.54 | 26,927 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,818 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,674 |
| People With Place Names | 0 | - | 4.01 | 40,070 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,458 |
| "Son" Last Names | 0 | - | 4.47 | 42,878 |
| Shared First Names #2 | 0 | - | 4.53 | 45,998 |
| People with J Initials | 0 | - | 4.51 | 55,661 |
| History Analogies #1 | 0 | - | 4.53 | 90,423 |
| History Analogies #2 | 0 | - | 4.49 | 77,547 |
| History Analogies #3 | 0 | - | 4.61 | 80,992 |
| English Idioms #1 | 0 | - | 4.45 | 146,665 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,582 |
| Clothing Idioms | 0 | - | 4.41 | 34,393 |
| Are You a Nerd? | 0 | - | 4.35 | 45,255 |
| The Eleven Colors | 0 | - | 4.74 | 236,211 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,605 |
| King in the Answers | 0 | - | 4.42 | 50,490 |
| Super in the Answers | 0 | - | 4.52 | 110,873 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,775 |
| Five Letter Geography #3 | 0 | - | 4.63 | 132,165 |
| Six Letter Geography #1 | 0 | - | 4.42 | 115,123 |
| Six Letter Geography #2 | 0 | - | 4.68 | 68,030 |
| Six Letter Geography #3 | 0 | - | 4.52 | 82,087 |
| Seven Letter Geography #1 | 0 | - | 4.48 | 80,703 |
| Seven Letter Geography #3 | 0 | - | 4.51 | 38,995 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,760 |
| Five Letter Geography #1 | 0 | - | 4.48 | 152,201 |
| Five Letter Geography #4 | 0 | - | 4.77 | 85,350 |
| Five Letter Geography - Hero Mode | 0 | - | 4.64 | 35,781 |
| Random History by Country | 0 | - | 4.53 | 35,041 |
| Geography Decoder | 0 | - | 4.53 | 75,886 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,893 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,810 |
| 6-Letter Movie Chain #3 | 0 | - | 4.44 | 36,484 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,931 |
| Fruits by Picture | 0 | - | 4.19 | 809,955 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,917 |
| Answers are Beverages | 0 | - | 4.06 | 61,900 |
| Basic Cake Ingredients | 0 | - | 4.23 | 111,037 |
| Types of Food | 0 | - | 4.25 | 90,760 |
| The Foods they Ate | 0 | - | 4.03 | 69,863 |
| Animals Used in Food | 0 | - | 4.28 | 78,677 |
| Most Popular Fruits | 0 | - | 4.16 | 97,168 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,972 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 85,819 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,226 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,547 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 746,743 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,745 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,278 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 197,185 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,413 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,630 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,959 |
