| Random Symbol to Element | 0 | - | 4.88 | 93,184 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,170 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,698 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,696 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,272 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,098,503 |
| Country Chain | 0 | - | 4.96 | 217,287 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,343 |
| International Scientific Units | 0 | - | 4.95 | 157,211 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,922 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,220 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,948 |
| Science General Knowledge #3 | 0 | - | 4.56 | 108,942 |
| Word Chain - Science | 0 | - | 4.59 | 54,941 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,029 |
| First Names of Scientists | 0 | - | 4.51 | 56,947 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,246,547 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,070 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,012 |
| Name a Valid Element | 0 | - | 4.67 | 70,129 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,873 |
| 4-Letter Music Chain | 0 | - | 4.48 | 53,398 |
| 6-Letter Geography Chain #2 | 0 | - | 4.41 | 71,333 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,723 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 85,078 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,474 |
| 6-Letter History Chain #2 | 0 | - | 4.51 | 57,582 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,283 |
| 4-Letter Movie Chain #3 | 0 | - | 4.50 | 59,609 |
| Cities Chain #2 | 0 | - | 4.42 | 56,414 |
| Cities Chain #1 | 0 | - | 4.61 | 66,659 |
| Word Chain - Africa | 0 | - | 4.47 | 31,635 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,673 |
| Groups of Two - Science | 0 | - | 4.26 | 48,353 |
| Science Decoder | 0 | - | 4.52 | 28,785 |
| Elements by Symbol | 0 | - | 4.92 | 197,547 |
| Speed Symbol by Element | 0 | - | 4.90 | 104,872 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,344 |
| Noble Gases | 0 | - | 4.89 | 78,348 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,690 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,550 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,843 |
| Name the Virus | 0 | - | 4.87 | 76,836 |
| Body Part Words | 0 | - | 4.43 | 146,091 |
| Human Body A-Z | 0 | - | 4.51 | 129,301 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,854 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,862 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,439 |
| 5-Letter Geography Chain #1 | 0 | - | 4.21 | 131,288 |
| 5-Letter Geography Chain #2 | 0 | - | 4.37 | 127,310 |
| 6-Letter Geography Chain #1 | 0 | - | 4.28 | 96,223 |
| 4-Letter Movie Chain #1 | 0 | - | 4.37 | 109,899 |
| 5-Letter Movie Chain #1 | 0 | - | 4.05 | 68,569 |
| 5-Letter Music Chain | 0 | - | 4.12 | 85,810 |
| 5-Letter Geography Chain #3 | 0 | - | 4.25 | 73,703 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 69,025 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 70,064 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,298 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,366 |
| 5-Letter Movie Chain #2 | 0 | - | 4.33 | 48,480 |
| 5-Letter Movie Chain #3 | 0 | - | 4.34 | 39,240 |
| 4-Letter Movie Chain #2 | 0 | - | 4.36 | 56,754 |
| Halloween Word Chain | 0 | - | 4.12 | 37,558 |
| Major Taxonomic Ranks | 0 | - | 4.56 | 80,726 |
| Famous Scientists | 0 | - | 4.57 | 42,696 |
| Citrus Fruits | 0 | - | 3.63 | 42,088 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,038 |
| Elemental Words | 0 | - | 4.97 | 52,348 |
| Metals of Antiquity | 0 | - | 4.95 | 93,539 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,755 |
| Astronomy Decoder | 0 | - | 4.49 | 38,083 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,708 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,437 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 275,325 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,484 |
| Astronomy Quiz | 0 | - | 4.90 | 82,730 |
| Solar System Trivia | 0 | - | 4.93 | 46,742 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,405 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,629,201 |
| Italian Name Translation | 0 | - | 4.83 | 47,080 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,951 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,132 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,715 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,688 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,817 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,147 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,858 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,415 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,050 |
| Disney Character Chain | 0 | - | 4.10 | 30,750 |
| Word Chain - Asia | 0 | - | 4.34 | 29,343 |
| Baseball Word Chain | 0 | - | 4.17 | 16,213 |
| Name a Valid World City | 0 | - | 4.83 | 71,366 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,827 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,822 |
| Scientific Names | 0 | - | 4.32 | 78,523 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,647 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,028 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,974 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,570 |
| Body Part Cliches | 0 | - | 4.44 | 123,491 |
| Bones of the Human Body | 0 | - | 4.52 | 42,848 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,263 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,103,875 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,011 |
| Disney Animated Characters | 0 | - | 4.88 | 601,727 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,550 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,280 |
| Countries with Four Letters | 0 | - | 4.99 | 423,030 |
| Word Chain - South America | 0 | - | 4.51 | 23,921 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,478 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 67,882 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 722,007 |
| Fruits: No Vowels | 0 | - | 4.81 | 99,834 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,336 |
| Islands by Country #1 | 0 | - | 4.88 | 175,407 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,597 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,972 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,779 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,743 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,916 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,116 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,148 |
| Cold War Decoder | 0 | - | 4.83 | 52,408 |
| Capital Cities Chain | 0 | - | 4.83 | 82,860 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,382 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,099 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 321,249 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,403 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,690 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,153 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,113 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,369 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,728 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,539 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,880 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,411 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 46,181 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,706 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,124 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,747 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,612 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,991 |
| Environmental Issues | 0 | - | 4.54 | 26,851 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,512 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,480 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,547 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 45,939 |
| Shared First Names #2 | 0 | - | 4.53 | 45,542 |
| People with J Initials | 0 | - | 4.51 | 55,494 |
| History Analogies #1 | 0 | - | 4.53 | 90,007 |
| History Analogies #2 | 0 | - | 4.49 | 77,266 |
| History Analogies #3 | 0 | - | 4.61 | 80,702 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,890 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,080 |
| English Idioms #1 | 0 | - | 4.45 | 146,033 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,439 |
| Clothing Idioms | 0 | - | 4.41 | 34,238 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,569 |
| Are You a Nerd? | 0 | - | 4.35 | 44,927 |
| The Eleven Colors | 0 | - | 4.74 | 235,325 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,167 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,074 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,291 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,940 |
| The Only Country ... | 0 | - | 4.91 | 81,299 |
| King in the Answers | 0 | - | 4.42 | 50,175 |
| Super in the Answers | 0 | - | 4.52 | 110,424 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,457 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,568 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,678 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,677 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,760 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,589 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,183 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,563 |
| 5-Letter American TV Chain | 0 | - | 3.76 | 12,230 |
| 4-Letter American TV Chain | 0 | - | 3.83 | 18,295 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,681 |
| Five Letter Geography #4 | 0 | - | 4.78 | 85,020 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,598 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,454 |
| Random Countries by Borders | 0 | - | 4.99 | 82,563 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,921 |
| Random History by Country | 0 | - | 4.53 | 34,885 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,293 |
| Geography Decoder | 0 | - | 4.53 | 75,681 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,691 |
| Love Chain Quiz | 0 | - | 3.98 | 30,233 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,603 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,324 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,473 |
| Fruits by Picture | 0 | - | 4.19 | 807,700 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,460 |
| Answers are Beverages | 0 | - | 4.06 | 61,408 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,507 |
| Types of Food | 0 | - | 4.25 | 90,048 |
| The Foods they Ate | 0 | - | 4.03 | 69,483 |
| Animals Used in Food | 0 | - | 4.28 | 78,178 |
| Most Popular Fruits | 0 | - | 4.16 | 96,719 |
