| Random Symbol to Element | 0 | - | 4.88 | 93,467 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,524 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,185 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,188 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,189 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,107,237 |
| Random Geography General Knowledge Quiz | 0 | - | 4.46 | 135,693 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,802 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 46,405 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,976 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,700 |
| International Scientific Units | 0 | - | 4.95 | 157,526 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,055 |
| Word Chain - Science | 0 | - | 4.59 | 55,019 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 58,139 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,929 |
| Random Countries by Borders | 0 | - | 4.99 | 82,747 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,444 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,602 |
| Random Point on Land to Country | 0 | - | 4.99 | 236,070 |
| Random Countries on a Topological Map | 0 | - | 4.91 | 52,466 |
| First Names of Scientists | 0 | - | 4.51 | 57,053 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,251,215 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,121 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,170 |
| Name a Valid Element | 0 | - | 4.67 | 70,216 |
| Geography General Knowledge #1 | 0 | - | 4.43 | 264,204 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 133,332 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 187,205 |
| Geography General Knowledge #6 | 0 | - | 4.52 | 152,294 |
| 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 | 157,207 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 110,600 |
| 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 | 128,696 |
| History General Knowledge #3 | 0 | - | 4.50 | 96,723 |
| History General Knowledge #6 | 0 | - | 4.49 | 89,108 |
| History General Knowledge #10 | 0 | - | 4.43 | 78,077 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,898 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,956 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,096 |
| Random Countries with Letters Missing | 0 | - | 4.51 | 96,245 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,899 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 385,436 |
| Groups of Two - Science | 0 | - | 4.26 | 48,391 |
| Science Decoder | 0 | - | 4.52 | 28,812 |
| Elements by Symbol | 0 | - | 4.92 | 197,891 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,088 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,454 |
| Noble Gases | 0 | - | 4.89 | 78,508 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,811 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,858 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,010 |
| Name the Virus | 0 | - | 4.87 | 76,930 |
| Bread Alone | 0 | - | 4.48 | 27,164 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,307 |
| Country Decoders #1 | 0 | - | 4.45 | 43,746 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,895 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,807 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,777 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,378 |
| Geography General Knowledge #2 | 0 | - | 4.38 | 181,038 |
| 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 | 106,809 |
| 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 | 80,080 |
| History General Knowledge #12 | 0 | - | 4.32 | 67,366 |
| History General Knowledge #2 | 0 | - | 4.32 | 113,259 |
| History General Knowledge #4 | 0 | - | 4.33 | 111,011 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,875 |
| Famous Scientists | 0 | - | 4.57 | 42,748 |
| Citrus Fruits | 0 | - | 3.64 | 42,104 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,121 |
| Elemental Words | 0 | - | 4.96 | 52,424 |
| Metals of Antiquity | 0 | - | 4.95 | 93,668 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,887 |
| Astronomy Decoder | 0 | - | 4.48 | 38,134 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,593 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 276,211 |
| How Do You Like Them Apples? | 0 | - | 4.33 | 23,068 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,660 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,360 |
| Astronomy Quiz | 0 | - | 4.90 | 82,923 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,843 |
| Solar System Trivia | 0 | - | 4.93 | 46,886 |
| Italian Name Translation | 0 | - | 4.83 | 47,408 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,128 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,760 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,225 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,977 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,013 |
| 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 | 237,504 |
| Random Geographic Groups of Six | 0 | - | 4.37 | 50,059 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,358 |
| Random Country Dots on an Empty World Map | 0 | - | 4.74 | 105,059 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,156 |
| Name a Valid World City | 0 | - | 4.83 | 71,574 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,092 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,637,444 |
| Scientific Names | 0 | - | 4.32 | 78,601 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,773 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,045 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,260 |
| 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 | 43,173 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,657 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,934 |
| Fast Math - Addition | 0 | - | 4.87 | 523,860 |
| Disney Animated Characters | 0 | - | 4.88 | 602,126 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,605 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,948 |
| Countries with Four Letters | 0 | - | 4.99 | 423,808 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,148 |
| Random Country to Capital | 0 | - | 4.98 | 923,851 |
| Random Cities on a World Map | 0 | - | 4.25 | 44,837 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,627 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,051 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,447 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,073 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,760 |
| Islands by Country #1 | 0 | - | 4.90 | 175,662 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,822 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,193 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,946 |
| 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 | 201,299 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,621 |
| Country Chain | 0 | - | 4.96 | 217,784 |
| Cold War Decoder | 0 | - | 4.83 | 52,480 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,571 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,206 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,171 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,919 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,855 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,783 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,936 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,918 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,152 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,891 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,254 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 75,950 |
| Name a Valid Country #10 | 0 | - | 4.93 | 43,345 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 730,952 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,384 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,811 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,134 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,824 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,673 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,731 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,195 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,054 |
| Environmental Issues | 0 | - | 4.54 | 26,871 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,577 |
| 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 | 46,058 |
| "Son" Last Names | 0 | - | 4.47 | 42,533 |
| Shared First Names #2 | 0 | - | 4.53 | 45,666 |
| People with J Initials | 0 | - | 4.51 | 55,517 |
| History Analogies #1 | 0 | - | 4.53 | 90,096 |
| History Analogies #2 | 0 | - | 4.49 | 77,338 |
| History Analogies #3 | 0 | - | 4.61 | 80,788 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,434 |
| 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 | 146,159 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,458 |
| Clothing Idioms | 0 | - | 4.41 | 34,261 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,432 |
| Are You a Nerd? | 0 | - | 4.35 | 45,001 |
| The Eleven Colors | 0 | - | 4.74 | 235,555 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,280 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,295 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,428 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,409 |
| The Only Country ... | 0 | - | 4.91 | 81,518 |
| 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 | 89,535 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,685 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,749 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,736 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,808 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,676 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,244 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,591 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,781 |
