| Random Symbol to Element | 0 | - | 4.88 | 93,468 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,530 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,193 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,189 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,191 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,107,274 |
| Random Geography General Knowledge Quiz | 0 | - | 4.46 | 135,695 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,829 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 46,409 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,976 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,711 |
| International Scientific Units | 0 | - | 4.95 | 157,528 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,056 |
| Word Chain - Science | 0 | - | 4.59 | 55,021 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 58,146 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,930 |
| Random Countries by Borders | 0 | - | 4.99 | 82,748 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,451 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,606 |
| Random Point on Land to Country | 0 | - | 4.99 | 236,074 |
| Random Countries on a Topological Map | 0 | - | 4.91 | 52,467 |
| First Names of Scientists | 0 | - | 4.51 | 57,054 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,251,265 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,122 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,172 |
| Name a Valid Element | 0 | - | 4.67 | 70,220 |
| Geography General Knowledge #1 | 0 | - | 4.43 | 264,209 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 133,335 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 187,207 |
| Geography General Knowledge #6 | 0 | - | 4.52 | 152,296 |
| Geography General Knowledge #7 | 0 | - | 4.44 | 159,667 |
| Geography General Knowledge #8 | 0 | - | 4.44 | 150,812 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 157,209 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 110,603 |
| Geography General Knowledge #12 | 0 | - | 4.78 | 124,796 |
| Geography General Knowledge #13 | 0 | - | 4.63 | 68,155 |
| History General Knowledge #1 | 0 | - | 4.55 | 128,698 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,725 |
| History General Knowledge #6 | 0 | - | 4.49 | 89,110 |
| History General Knowledge #10 | 0 | - | 4.43 | 78,079 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,898 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,959 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,097 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,254 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,900 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,443 |
| Groups of Two - Science | 0 | - | 4.26 | 48,392 |
| Science Decoder | 0 | - | 4.52 | 28,812 |
| Elements by Symbol | 0 | - | 4.92 | 197,897 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,096 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,454 |
| Noble Gases | 0 | - | 4.89 | 78,510 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,812 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,861 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,012 |
| Name the Virus | 0 | - | 4.87 | 76,931 |
| Bread Alone | 0 | - | 4.48 | 27,164 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,308 |
| Country Decoders #1 | 0 | - | 4.45 | 43,746 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,895 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,809 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,778 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,381 |
| Geography General Knowledge #2 | 0 | - | 4.38 | 181,039 |
| Geography General Knowledge #5 | 0 | - | 4.34 | 149,170 |
| Geography General Knowledge #9 | 0 | - | 4.39 | 132,115 |
| History General Knowledge #5 | 0 | - | 4.39 | 106,810 |
| History General Knowledge #7 | 0 | - | 4.35 | 88,704 |
| History General Knowledge #8 | 0 | - | 4.32 | 84,139 |
| History General Knowledge #9 | 0 | - | 4.40 | 80,081 |
| History General Knowledge #12 | 0 | - | 4.32 | 67,366 |
| History General Knowledge #2 | 0 | - | 4.32 | 113,261 |
| History General Knowledge #4 | 0 | - | 4.33 | 111,013 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,878 |
| Famous Scientists | 0 | - | 4.57 | 42,749 |
| Citrus Fruits | 0 | - | 3.64 | 42,104 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,123 |
| Elemental Words | 0 | - | 4.96 | 52,424 |
| Metals of Antiquity | 0 | - | 4.95 | 93,669 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,890 |
| Astronomy Decoder | 0 | - | 4.48 | 38,134 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,593 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 276,224 |
| How Do You Like Them Apples? | 0 | - | 4.33 | 23,068 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,661 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,362 |
| Astronomy Quiz | 0 | - | 4.90 | 82,923 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,850 |
| Solar System Trivia | 0 | - | 4.93 | 46,888 |
| Italian Name Translation | 0 | - | 4.83 | 47,413 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,134 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,767 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,234 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,983 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,015 |
| April Fools' Quiz #1 | 0 | - | 3.84 | 59,822 |
| April Fools' Quiz #2 | 0 | - | 3.40 | 48,848 |
| U.S. Geography General Knowledge #4 | 0 | - | 4.29 | 31,934 |
| U.S. Geography General Knowledge #3 | 0 | - | 4.15 | 34,927 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,511 |
| Random Geographic Groups of Six | 0 | - | 4.37 | 50,059 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,362 |
| Random Country Dots on an Empty World Map | 0 | - | 4.74 | 105,063 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,157 |
| Name a Valid World City | 0 | - | 4.83 | 71,579 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,092 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,637,556 |
| Scientific Names | 0 | - | 4.32 | 78,601 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,774 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,047 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,262 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,662 |
| Body Part Cliches | 0 | - | 4.44 | 123,579 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,053 |
| Bones of the Human Body | 0 | - | 4.51 | 43,178 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,658 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,944 |
| Fast Math - Addition | 0 | - | 4.87 | 523,868 |
| Disney Animated Characters | 0 | - | 4.88 | 602,127 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,606 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,956 |
| Countries with Four Letters | 0 | - | 4.99 | 423,822 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,175 |
| Random Country to Capital | 0 | - | 4.98 | 923,882 |
| Random Cities on a World Map | 0 | - | 4.25 | 44,837 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,629 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,053 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,448 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,075 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,765 |
| Islands by Country #1 | 0 | - | 4.90 | 175,666 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,827 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,196 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,947 |
| U.S. Geography General Knowledge #1 | 0 | - | 4.14 | 28,687 |
| U.S. Geography General Knowledge #2 | 0 | - | 4.28 | 24,723 |
| Country Decoders #2 | 0 | - | 4.12 | 26,850 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 31,011 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,300 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,630 |
| Country Chain | 0 | - | 4.96 | 217,787 |
| Cold War Decoder | 0 | - | 4.83 | 52,481 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,572 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,207 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,176 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,924 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,867 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,788 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,946 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,921 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,156 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,897 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,260 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 75,955 |
| Name a Valid Country #10 | 0 | - | 4.93 | 43,346 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 731,163 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,385 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,812 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,134 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,826 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,674 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,732 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,196 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,056 |
| Environmental Issues | 0 | - | 4.54 | 26,871 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,578 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,590 |
| People With Place Names | 0 | - | 4.01 | 39,740 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,059 |
| "Son" Last Names | 0 | - | 4.47 | 42,533 |
| Shared First Names #2 | 0 | - | 4.53 | 45,667 |
| People with J Initials | 0 | - | 4.51 | 55,518 |
| History Analogies #1 | 0 | - | 4.53 | 90,097 |
| History Analogies #2 | 0 | - | 4.49 | 77,341 |
| History Analogies #3 | 0 | - | 4.61 | 80,789 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,435 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,157 |
| Word Scramble - One Word Movies | 0 | - | 3.89 | 19,926 |
| English Idioms #1 | 0 | - | 4.45 | 146,161 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,458 |
| Clothing Idioms | 0 | - | 4.41 | 34,262 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,435 |
| Are You a Nerd? | 0 | - | 4.35 | 45,002 |
| The Eleven Colors | 0 | - | 4.74 | 235,561 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,282 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,298 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,432 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,418 |
| The Only Country ... | 0 | - | 4.91 | 81,520 |
| King in the Answers | 0 | - | 4.42 | 50,258 |
| Super in the Answers | 0 | - | 4.52 | 110,565 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,537 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,687 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,750 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,738 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,808 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,679 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,246 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,591 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,781 |
