| Random Symbol to Element | 0 | - | 4.88 | 94,068 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,940 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 177,095 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,922 |
| One-Syllable Human Body Parts | 0 | - | 4.30 | 88,552 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,102,730 |
| Country Chain | 0 | - | 4.96 | 218,512 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,449 |
| International Scientific Units | 0 | - | 4.95 | 158,383 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,351 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,395 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,699 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,619 |
| Word Chain - Science | 0 | - | 4.59 | 55,169 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,503 |
| First Names of Scientists | 0 | - | 4.51 | 57,236 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,261,350 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,208 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 103,524 |
| Name a Valid Element | 0 | - | 4.68 | 70,422 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,481 |
| 4-Letter Music Chain | 0 | - | 4.49 | 53,596 |
| 6-Letter Geography Chain #2 | 0 | - | 4.41 | 71,645 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 88,127 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 85,603 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,726 |
| 6-Letter History Chain #2 | 0 | - | 4.51 | 57,798 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,869 |
| 4-Letter Movie Chain #3 | 0 | - | 4.50 | 59,840 |
| Cities Chain #2 | 0 | - | 4.42 | 56,528 |
| Cities Chain #1 | 0 | - | 4.61 | 66,831 |
| Word Chain - Africa | 0 | - | 4.47 | 31,720 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,761 |
| Groups of Two - Science | 0 | - | 4.26 | 48,469 |
| Science Decoder | 0 | - | 4.52 | 28,862 |
| Elements by Symbol | 0 | - | 4.92 | 198,703 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,613 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,813 |
| Noble Gases | 0 | - | 4.89 | 78,858 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 65,097 |
| Periodic Table Symbols | 0 | - | 4.97 | 80,828 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,449 |
| Name the Virus | 0 | - | 4.87 | 77,127 |
| Body Part Words | 0 | - | 4.43 | 146,414 |
| Human Body A-Z | 0 | - | 4.51 | 130,068 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,974 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,958 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,936 |
| 5-Letter Geography Chain #1 | 0 | - | 4.22 | 131,975 |
| 5-Letter Geography Chain #2 | 0 | - | 4.37 | 127,747 |
| 6-Letter Geography Chain #1 | 0 | - | 4.28 | 96,814 |
| 4-Letter Movie Chain #1 | 0 | - | 4.37 | 110,386 |
| 5-Letter Movie Chain #1 | 0 | - | 4.06 | 68,737 |
| 5-Letter Music Chain | 0 | - | 4.12 | 86,280 |
| 5-Letter Geography Chain #3 | 0 | - | 4.25 | 74,026 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 69,251 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 70,279 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,553 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,618 |
| 5-Letter Movie Chain #2 | 0 | - | 4.33 | 48,619 |
| 5-Letter Movie Chain #3 | 0 | - | 4.34 | 39,385 |
| 4-Letter Movie Chain #2 | 0 | - | 4.36 | 56,964 |
| Halloween Word Chain | 0 | - | 4.12 | 37,610 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 81,159 |
| Famous Scientists | 0 | - | 4.58 | 42,860 |
| Citrus Fruits | 0 | - | 3.67 | 42,202 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,294 |
| Elemental Words | 0 | - | 4.97 | 52,566 |
| Metals of Antiquity | 0 | - | 4.95 | 93,949 |
| Category Elimination - Elements | 0 | - | 4.61 | 54,133 |
| Astronomy Decoder | 0 | - | 4.48 | 38,235 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,830 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,738 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 278,354 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,013 |
| Astronomy Quiz | 0 | - | 4.90 | 83,330 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,514 |
| Solar System Trivia | 0 | - | 4.93 | 47,201 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,577 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,003 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,113 |
| Italian Name Translation | 0 | - | 4.83 | 48,010 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,789 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,335 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,559 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,757 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,343 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 238,171 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,983 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,525 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,331 |
| Disney Character Chain | 0 | - | 4.12 | 30,826 |
| Word Chain - Asia | 0 | - | 4.34 | 29,392 |
| Baseball Word Chain | 0 | - | 4.17 | 16,265 |
| Name a Valid World City | 0 | - | 4.85 | 72,028 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,654,793 |
| Scientific Names | 0 | - | 4.32 | 78,738 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,996 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,096 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,787 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,841 |
| Body Part Cliches | 0 | - | 4.44 | 123,672 |
| Bones of the Human Body | 0 | - | 4.51 | 43,618 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,924 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,125,713 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,237 |
| Disney Animated Characters | 0 | - | 4.88 | 602,977 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,723 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,724 |
| Countries with Four Letters | 0 | - | 4.99 | 425,989 |
| Word Chain - South America | 0 | - | 4.51 | 24,007 |
| Eight Most Popular Berries | 0 | - | 4.43 | 100,160 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,546 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,536 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 306,694 |
| Islands by Country #1 | 0 | - | 4.90 | 176,395 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,269 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,589 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,421 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,425 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,118 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,485 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,121 |
| Cold War Decoder | 0 | - | 4.83 | 52,666 |
| Capital Cities Chain | 0 | - | 4.84 | 83,413 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,965 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,420 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,920 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,116 |
| Name a Valid Country #1 | 0 | - | 4.99 | 295,503 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,295 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,290 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,142 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,331 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,931 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,066 |
| Name a Valid Country #10 | 0 | - | 4.93 | 44,294 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,512 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 46,851 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 743,412 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,976 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,162 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,963 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,767 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,228 |
| Environmental Issues | 0 | - | 4.54 | 26,912 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,752 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,645 |
| People With Place Names | 0 | - | 4.01 | 39,881 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,331 |
| Shared First Names #2 | 0 | - | 4.53 | 45,894 |
| People with J Initials | 0 | - | 4.51 | 55,613 |
| History Analogies #1 | 0 | - | 4.53 | 90,385 |
| History Analogies #2 | 0 | - | 4.49 | 77,508 |
| History Analogies #3 | 0 | - | 4.61 | 80,956 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 197,040 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,369 |
| English Idioms #1 | 0 | - | 4.45 | 146,517 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,553 |
| Clothing Idioms | 0 | - | 4.41 | 34,363 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,273 |
| Are You a Nerd? | 0 | - | 4.35 | 45,182 |
| The Eleven Colors | 0 | - | 4.74 | 236,052 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,522 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,790 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,747 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,423 |
| The Only Country ... | 0 | - | 4.91 | 81,923 |
| King in the Answers | 0 | - | 4.42 | 50,395 |
| Super in the Answers | 0 | - | 4.52 | 110,750 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,716 |
| Five Letter Geography #3 | 0 | - | 4.63 | 132,073 |
| Six Letter Geography #1 | 0 | - | 4.42 | 115,059 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,994 |
| Six Letter Geography #3 | 0 | - | 4.52 | 82,042 |
| Seven Letter Geography #1 | 0 | - | 4.48 | 80,548 |
| Seven Letter Geography #3 | 0 | - | 4.51 | 38,928 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,737 |
| 5-Letter American TV Chain | 0 | - | 3.76 | 12,256 |
| 4-Letter American TV Chain | 0 | - | 3.83 | 18,316 |
| Five Letter Geography #1 | 0 | - | 4.48 | 152,116 |
| Five Letter Geography #4 | 0 | - | 4.77 | 85,301 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,753 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 125,353 |
| Random Countries by Borders | 0 | - | 4.99 | 83,117 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,596 |
| Random History by Country | 0 | - | 4.53 | 35,014 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,714 |
| Geography Decoder | 0 | - | 4.53 | 75,844 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,845 |
| Love Chain Quiz | 0 | - | 3.98 | 30,280 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,756 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,457 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,857 |
| Fruits by Picture | 0 | - | 4.19 | 809,513 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,842 |
| Answers are Beverages | 0 | - | 4.06 | 61,795 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,922 |
| Types of Food | 0 | - | 4.25 | 90,618 |
| The Foods they Ate | 0 | - | 4.03 | 69,785 |
