| Random Symbol to Element | 0 | - | 4.88 | 92,862 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,208 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,511 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,063 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,095,754 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,246 |
| International Scientific Units | 0 | - | 4.95 | 156,507 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,663 |
| Science General Knowledge #1 | 0 | - | 4.54 | 165,580 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,502 |
| Science General Knowledge #3 | 0 | - | 4.56 | 107,662 |
| Word Chain - Science | 0 | - | 4.59 | 54,801 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,368 |
| The Only Country ... | 0 | - | 4.91 | 80,757 |
| First Names of Scientists | 0 | - | 4.50 | 56,737 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,237,295 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,972 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,737 |
| Name a Valid Element | 0 | - | 4.64 | 69,930 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,537 |
| Groups of Two - Science | 0 | - | 4.26 | 48,277 |
| Science Decoder | 0 | - | 4.52 | 28,737 |
| Elements by Symbol | 0 | - | 4.92 | 196,812 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,474 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,073 |
| Noble Gases | 0 | - | 4.89 | 78,010 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,459 |
| Periodic Table Symbols | 0 | - | 4.97 | 71,915 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,490 |
| Name the Virus | 0 | - | 4.87 | 76,655 |
| Body Part Words | 0 | - | 4.43 | 145,865 |
| Human Body A-Z | 0 | - | 4.51 | 129,043 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,796 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,784 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,086 |
| Books by Clue #2 | 0 | - | 4.43 | 26,665 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,398 |
| Famous Scientists | 0 | - | 4.57 | 42,597 |
| Citrus Fruits | 0 | - | 3.63 | 42,042 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,884 |
| Elemental Words | 0 | - | 4.96 | 52,221 |
| Metals of Antiquity | 0 | - | 4.94 | 93,302 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,580 |
| Astronomy Decoder | 0 | - | 4.50 | 38,001 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,625 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,340 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 273,450 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,200 |
| Cities that End in A by Clue | 0 | - | 4.55 | 52,923 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,164 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,082 |
| Cities that End in I by Clue | 0 | - | 4.61 | 57,242 |
| Cities that End in S by Clue | 0 | - | 4.57 | 44,909 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,139 |
| Astronomy Quiz | 0 | - | 4.90 | 82,382 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 136,885 |
| Solar System Trivia | 0 | - | 4.93 | 46,487 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,278 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,614,111 |
| Italian Name Translation | 0 | - | 4.82 | 46,349 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,542 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,061 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 117,764 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,164 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,462 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 236,660 |
| Books by Clue #1 | 0 | - | 4.36 | 25,760 |
| Random Cities by Clue | 0 | - | 4.53 | 42,688 |
| MLB Baseball Team Names by Clue | 0 | - | 4.35 | 67,561 |
| 4-Letter Geography Chain #1 | 0 | - | 4.81 | 169,845 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,878 |
| Name a Valid World City | 0 | - | 4.83 | 70,926 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,148 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,214 |
| Scientific Names | 0 | - | 4.32 | 78,378 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,438 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,975 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,345 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,438 |
| Body Part Cliches | 0 | - | 4.43 | 123,252 |
| Bones of the Human Body | 0 | - | 4.52 | 42,090 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,062 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,098,087 |
| 7 Deadly Sins | 0 | - | 4.88 | 399,103 |
| Disney Animated Characters | 0 | - | 4.88 | 600,961 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,448 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 448,835 |
| Cities that End in R by Clue | 0 | - | 4.68 | 18,808 |
| Cities that End in M by Clue | 0 | - | 4.62 | 21,109 |
| U.S. Cities by Clue #1 | 0 | - | 4.28 | 48,043 |
| U.S. Cities by Clue #2 | 0 | - | 4.08 | 31,643 |
| World Cities by Clue #1 | 0 | - | 4.30 | 74,087 |
| World Cities by Clue Quiz #3 | 0 | - | 4.30 | 48,518 |
| World Cities by Clue Quiz #4 | 0 | - | 4.41 | 23,957 |
| Countries with Four Letters | 0 | - | 4.99 | 421,501 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,215 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.44 | 67,587 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 718,861 |
| Fruits: No Vowels | 0 | - | 4.81 | 99,364 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 304,544 |
| Islands by Country #1 | 0 | - | 4.88 | 175,089 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,362 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,707 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,615 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,355 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 199,441 |
| Top Five Countries By Category #3 | 0 | - | 4.81 | 170,661 |
| Country Chain | 0 | - | 4.96 | 216,796 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 215,941 |
| Cold War Decoder | 0 | - | 4.83 | 52,254 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,023 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,921 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 319,729 |
| Name a Valid Country #3 | 0 | - | 4.99 | 262,463 |
| Name a Valid Country #1 | 0 | - | 4.99 | 288,579 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,008 |
| Name a Valid Country #4 | 0 | - | 4.97 | 254,911 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,287 |
| Name a Valid Country #6 | 0 | - | 4.94 | 128,904 |
| Name a Valid Country #7 | 0 | - | 4.91 | 128,803 |
| Name a Valid Country #8 | 0 | - | 4.85 | 98,159 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 75,253 |
| Name a Valid Country #10 | 0 | - | 4.93 | 42,598 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,358 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 45,881 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,551 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,105 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,645 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,513 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,866 |
| Environmental Issues | 0 | - | 4.54 | 26,810 |
| Chuck Norris Facts | 0 | - | 4.51 | 8,356 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,303 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,491 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.63 | 45,560 |
| Shared First Names #2 | 0 | - | 4.53 | 45,257 |
| People with J Initials | 0 | - | 4.51 | 55,390 |
| History Analogies #1 | 0 | - | 4.53 | 89,918 |
| History Analogies #2 | 0 | - | 4.49 | 77,159 |
| History Analogies #3 | 0 | - | 4.61 | 80,604 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,432 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,977 |
| English Idioms #1 | 0 | - | 4.45 | 145,316 |
| Cliche Quotes Quiz #2 | 0 | - | 4.43 | 45,368 |
| Clothing Idioms | 0 | - | 4.41 | 34,166 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 321,402 |
| Are You a Nerd? | 0 | - | 4.35 | 44,791 |
| The Eleven Colors | 0 | - | 4.74 | 234,908 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,002 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,542 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,920 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 78,898 |
| U.S. Cities by Clue #3 | 0 | - | 4.14 | 28,317 |
| Cities that End in L by Clue | 0 | - | 4.24 | 20,912 |
| Smaller Cities That You May Know | 0 | - | 4.35 | 28,412 |
| King in the Answers | 0 | - | 4.42 | 49,977 |
| Super in the Answers | 0 | - | 4.52 | 109,864 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,317 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,380 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,559 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,578 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,662 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,402 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,004 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,522 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,504 |
| Five Letter Geography #4 | 0 | - | 4.78 | 84,863 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,552 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 123,820 |
| Random Countries by Borders | 0 | - | 4.99 | 82,270 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 138,926 |
| Random History by Country | 0 | - | 4.53 | 34,813 |
| Random Name a Valid Country | 0 | - | 4.99 | 204,654 |
| Random Point on Land to Country | 0 | - | 4.99 | 233,950 |
| Geography Decoder | 0 | - | 4.53 | 75,560 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,574 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,512 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,240 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,374 |
| Fruits by Picture | 0 | - | 4.19 | 806,647 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,388 |
| Answers are Beverages | 0 | - | 4.10 | 61,306 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,414 |
| Types of Food | 0 | - | 4.25 | 89,875 |
| The Foods they Ate | 0 | - | 4.03 | 69,408 |
| Animals Used in Food | 0 | - | 4.28 | 78,022 |
| Most Popular Fruits | 0 | - | 4.16 | 96,539 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,753 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 85,114 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,513 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,807 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 235,457 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 224,468 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 191,748 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,696 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,726 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 57,557 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,722 |
| Science Vocabulary #3 | 0 | - | 4.31 | 51,900 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,280 |