| Science General Knowledge #2 | 0 | - | 4.48 | 119,648 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,560 |
| Random Symbol to Element | 0 | - | 4.88 | 93,888 |
| International Scientific Units | 0 | - | 4.95 | 158,272 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,250 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,102,250 |
| Word Chain - Science | 0 | - | 4.59 | 55,142 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,259,630 |
| The Sun Quiz | 0 | - | 4.93 | 35,073 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 58,479 |
| First Names of Scientists | 0 | - | 4.51 | 57,208 |
| Groups of Two - Science | 0 | - | 4.26 | 48,455 |
| Science Decoder | 0 | - | 4.52 | 28,857 |
| Elements by Symbol | 0 | - | 4.92 | 198,587 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,535 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,198 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,761 |
| Noble Gases | 0 | - | 4.89 | 78,810 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 65,045 |
| Periodic Table Symbols | 0 | - | 4.98 | 80,288 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,382 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,460 |
| Name a Valid Element | 0 | - | 4.67 | 70,395 |
| Name the Virus | 0 | - | 4.87 | 77,091 |
| Bread Alone | 0 | - | 4.48 | 27,197 |
| Geography General Knowledge #1 | 0 | - | 4.43 | 264,940 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 133,655 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 187,630 |
| Geography General Knowledge #6 | 0 | - | 4.52 | 152,630 |
| Geography General Knowledge #7 | 0 | - | 4.44 | 160,014 |
| Geography General Knowledge #8 | 0 | - | 4.44 | 151,131 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 157,561 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 110,871 |
| Geography General Knowledge #12 | 0 | - | 4.78 | 125,258 |
| Geography General Knowledge #13 | 0 | - | 4.63 | 68,357 |
| History General Knowledge #1 | 0 | - | 4.55 | 129,153 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,987 |
| History General Knowledge #6 | 0 | - | 4.49 | 89,334 |
| History General Knowledge #10 | 0 | - | 4.43 | 78,310 |
| History General Knowledge #11 | 0 | - | 4.45 | 73,130 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 81,115 |
| Famous Scientists | 0 | - | 4.57 | 42,841 |
| Country Decoders #1 | 0 | - | 4.45 | 43,797 |
| Random Geography General Knowledge Quiz | 0 | - | 4.46 | 135,975 |
| Citrus Fruits | 0 | - | 3.67 | 42,160 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,269 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,962 |
| Elemental Words | 0 | - | 4.97 | 52,543 |
| Metals of Antiquity | 0 | - | 4.95 | 93,901 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 177,039 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,889 |
| One-Syllable Human Body Parts | 0 | - | 4.30 | 88,525 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,725 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 277,949 |
| How Do You Like Them Apples? | 0 | - | 4.33 | 23,094 |
| Geography General Knowledge #2 | 0 | - | 4.38 | 181,391 |
| Geography General Knowledge #5 | 0 | - | 4.34 | 149,478 |
| Geography General Knowledge #9 | 0 | - | 4.39 | 132,375 |
| History General Knowledge #5 | 0 | - | 4.39 | 107,091 |
| History General Knowledge #7 | 0 | - | 4.35 | 89,092 |
| History General Knowledge #8 | 0 | - | 4.32 | 84,348 |
| History General Knowledge #9 | 0 | - | 4.40 | 80,279 |
| History General Knowledge #12 | 0 | - | 4.32 | 67,527 |
| History General Knowledge #2 | 0 | - | 4.32 | 113,572 |
| History General Knowledge #4 | 0 | - | 4.33 | 111,517 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,966 |
| Category Elimination - Elements | 0 | - | 4.61 | 54,091 |
| Astronomy Decoder | 0 | - | 4.48 | 38,217 |
| Scientific Names | 0 | - | 4.32 | 78,720 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,472 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,651,369 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 89,136 |
| U.S. Geography General Knowledge #4 | 0 | - | 4.29 | 31,971 |
| U.S. Geography General Knowledge #3 | 0 | - | 4.15 | 34,960 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,957 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,089 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,736 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,811 |
| Astronomy Quiz | 0 | - | 4.90 | 83,240 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,392 |
| Solar System Trivia | 0 | - | 4.93 | 47,136 |
| Body Part Cliches | 0 | - | 4.44 | 123,660 |
| Bones of the Human Body | 0 | - | 4.51 | 43,520 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,861 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,844 |
| Italian Name Translation | 0 | - | 4.83 | 47,920 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,489 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,121,865 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,067 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,308 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,603 |
| 7 Deadly Sins | 0 | - | 4.88 | 403,927 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,282 |
| Disney Animated Characters | 0 | - | 4.88 | 602,830 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,703 |
| April Fools' Quiz #1 | 0 | - | 3.84 | 59,839 |
| April Fools' Quiz #2 | 0 | - | 3.40 | 48,863 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 238,074 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,177 |
| Countries with Four Letters | 0 | - | 4.99 | 425,652 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,815 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,293 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,903 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,309 |
| Name a Valid World City | 0 | - | 4.85 | 71,954 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,963 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,159 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,399 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,435 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 306,550 |
| Islands by Country #1 | 0 | - | 4.90 | 176,298 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,201 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,521 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,366 |
| U.S. Geography General Knowledge #1 | 0 | - | 4.14 | 28,724 |
| U.S. Geography General Knowledge #2 | 0 | - | 4.28 | 24,757 |
| Country Decoders #2 | 0 | - | 4.12 | 26,876 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,048 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,346 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,935 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,341 |
| Country Chain | 0 | - | 4.96 | 218,397 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,835 |
| Cold War Decoder | 0 | - | 4.83 | 52,631 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,891 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,385 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,917 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,099 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,056 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,073 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,938 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,958 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,784 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,902 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 76,731 |
| Name a Valid Country #10 | 0 | - | 4.93 | 44,188 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,500 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 46,763 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,435 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,941 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,942 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,754 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,828 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,448 |
| Environmental Issues | 0 | - | 4.54 | 26,906 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 741,772 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,681 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,725 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,636 |
| People With Place Names | 0 | - | 4.01 | 39,864 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,289 |
| "Son" Last Names | 0 | - | 4.47 | 42,720 |
| Shared First Names #2 | 0 | - | 4.53 | 45,866 |
| People with J Initials | 0 | - | 4.51 | 55,599 |
| History Analogies #1 | 0 | - | 4.53 | 90,373 |
| History Analogies #2 | 0 | - | 4.49 | 77,491 |
| History Analogies #3 | 0 | - | 4.61 | 80,934 |
| English Idioms #1 | 0 | - | 4.45 | 146,468 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,540 |
| Clothing Idioms | 0 | - | 4.41 | 34,349 |
| Are You a Nerd? | 0 | - | 4.35 | 45,145 |
| The Eleven Colors | 0 | - | 4.74 | 235,978 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,479 |
| King in the Answers | 0 | - | 4.42 | 50,355 |
| Super in the Answers | 0 | - | 4.52 | 110,711 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,691 |
| Five Letter Geography #3 | 0 | - | 4.62 | 132,004 |
| Six Letter Geography #1 | 0 | - | 4.42 | 115,016 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,962 |
| Six Letter Geography #3 | 0 | - | 4.52 | 82,019 |
| Seven Letter Geography #1 | 0 | - | 4.48 | 80,378 |
| Seven Letter Geography #3 | 0 | - | 4.51 | 38,878 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,727 |
| Five Letter Geography #1 | 0 | - | 4.48 | 152,054 |
| Five Letter Geography #4 | 0 | - | 4.78 | 85,256 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,718 |
| Random History by Country | 0 | - | 4.53 | 34,994 |
| Geography Decoder | 0 | - | 4.53 | 75,829 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,823 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,735 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,440 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,613 |
| Fruits by Picture | 0 | - | 4.19 | 809,160 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,572 |
| Answers are Beverages | 0 | - | 4.06 | 61,552 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,669 |
| Types of Food | 0 | - | 4.25 | 90,294 |
| The Foods they Ate | 0 | - | 4.03 | 69,568 |
| Animals Used in Food | 0 | - | 4.28 | 78,409 |
| Most Popular Fruits | 0 | - | 4.16 | 96,937 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,896 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 85,590 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,133 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,688 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,187 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,957 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,349 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,091 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,697 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,689 |
