| Random Symbol to Element | 0 | - | 4.88 | 93,162 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,651 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,649 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,230 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,098,183 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,309 |
| International Scientific Units | 0 | - | 4.95 | 157,080 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,853 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,163 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,920 |
| Science General Knowledge #3 | 0 | - | 4.56 | 108,876 |
| Word Chain - Science | 0 | - | 4.59 | 54,929 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,938 |
| The Only Country ... | 0 | - | 4.91 | 81,243 |
| First Names of Scientists | 0 | - | 4.51 | 56,923 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,245,449 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,055 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,978 |
| Name a Valid Element | 0 | - | 4.67 | 70,106 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,826 |
| Groups of Two - Science | 0 | - | 4.26 | 48,343 |
| Science Decoder | 0 | - | 4.52 | 28,781 |
| Elements by Symbol | 0 | - | 4.92 | 197,436 |
| Speed Symbol by Element | 0 | - | 4.90 | 104,803 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,293 |
| Noble Gases | 0 | - | 4.89 | 78,284 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,654 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,462 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,783 |
| Name the Virus | 0 | - | 4.87 | 76,806 |
| Body Part Words | 0 | - | 4.43 | 146,023 |
| Human Body A-Z | 0 | - | 4.51 | 129,247 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,843 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,839 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,371 |
| Books by Clue #2 | 0 | - | 4.43 | 26,701 |
| Major Taxonomic Ranks | 0 | - | 4.56 | 80,662 |
| Famous Scientists | 0 | - | 4.57 | 42,674 |
| Citrus Fruits | 0 | - | 3.63 | 42,082 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,020 |
| Elemental Words | 0 | - | 4.97 | 52,325 |
| Metals of Antiquity | 0 | - | 4.95 | 93,502 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,732 |
| Astronomy Decoder | 0 | - | 4.49 | 38,079 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,685 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,420 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 275,102 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,306 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,032 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,313 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,181 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,365 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,009 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,445 |
| Astronomy Quiz | 0 | - | 4.90 | 82,694 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,423 |
| Solar System Trivia | 0 | - | 4.93 | 46,709 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,383 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,627,303 |
| Italian Name Translation | 0 | - | 4.83 | 47,010 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,905 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 166,006 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,608 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,638 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,775 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,097 |
| Books by Clue #1 | 0 | - | 4.36 | 25,795 |
| Random Cities by Clue | 0 | - | 4.53 | 42,745 |
| MLB Baseball Team Names by Clue | 0 | - | 4.35 | 67,726 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,128 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,025 |
| Name a Valid World City | 0 | - | 4.83 | 71,317 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,754 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,757 |
| Scientific Names | 0 | - | 4.32 | 78,498 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,615 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,019 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,911 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,554 |
| Body Part Cliches | 0 | - | 4.43 | 123,374 |
| Bones of the Human Body | 0 | - | 4.52 | 42,652 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,228 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,103,070 |
| 7 Deadly Sins | 0 | - | 4.88 | 400,794 |
| Disney Animated Characters | 0 | - | 4.88 | 601,628 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,537 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,148 |
| Cities that End in R by Clue | 0 | - | 4.68 | 18,893 |
| Cities that End in M by Clue | 0 | - | 4.56 | 21,217 |
| U.S. Cities by Clue #1 | 0 | - | 4.28 | 48,094 |
| U.S. Cities by Clue #2 | 0 | - | 4.08 | 31,678 |
| World Cities by Clue #1 | 0 | - | 4.30 | 74,182 |
| World Cities by Clue Quiz #3 | 0 | - | 4.31 | 48,576 |
| World Cities by Clue Quiz #4 | 0 | - | 4.41 | 24,008 |
| Countries with Four Letters | 0 | - | 4.99 | 422,847 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,446 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 67,842 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 721,634 |
| Fruits: No Vowels | 0 | - | 4.81 | 99,781 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,240 |
| Islands by Country #1 | 0 | - | 4.88 | 175,371 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,579 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,947 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,766 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,702 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,838 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,947 |
| Country Chain | 0 | - | 4.96 | 217,210 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 217,024 |
| Cold War Decoder | 0 | - | 4.83 | 52,393 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,343 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,074 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,989 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,254 |
| Name a Valid Country #1 | 0 | - | 4.99 | 290,396 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,979 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,835 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,225 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,615 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,445 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,801 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 75,678 |
| Name a Valid Country #10 | 0 | - | 4.93 | 43,030 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,405 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 46,148 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,686 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,122 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,731 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,605 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,977 |
| Environmental Issues | 0 | - | 4.54 | 26,842 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,490 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,458 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,540 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 45,910 |
| Shared First Names #2 | 0 | - | 4.53 | 45,525 |
| People with J Initials | 0 | - | 4.51 | 55,485 |
| History Analogies #1 | 0 | - | 4.53 | 89,998 |
| History Analogies #2 | 0 | - | 4.49 | 77,251 |
| History Analogies #3 | 0 | - | 4.61 | 80,690 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,839 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,071 |
| English Idioms #1 | 0 | - | 4.45 | 145,708 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,419 |
| Clothing Idioms | 0 | - | 4.41 | 34,220 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,474 |
| Are You a Nerd? | 0 | - | 4.35 | 44,913 |
| The Eleven Colors | 0 | - | 4.74 | 235,275 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,150 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,032 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,264 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,829 |
| U.S. Cities by Clue #3 | 0 | - | 4.14 | 28,348 |
| Cities that End in L by Clue | 0 | - | 4.24 | 21,005 |
| Smaller Cities That You May Know | 0 | - | 4.35 | 28,457 |
| King in the Answers | 0 | - | 4.42 | 50,145 |
| Super in the Answers | 0 | - | 4.52 | 110,389 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,442 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,554 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,664 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,668 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,751 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,569 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,157 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,556 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,660 |
| Five Letter Geography #4 | 0 | - | 4.78 | 85,004 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,592 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,393 |
| Random Countries by Borders | 0 | - | 4.99 | 82,519 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,813 |
| Random History by Country | 0 | - | 4.53 | 34,881 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,218 |
| Random Point on Land to Country | 0 | - | 4.99 | 235,341 |
| Geography Decoder | 0 | - | 4.53 | 75,668 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,678 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,591 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,310 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,461 |
| Fruits by Picture | 0 | - | 4.19 | 807,589 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,446 |
| Answers are Beverages | 0 | - | 4.06 | 61,392 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,494 |
| Types of Food | 0 | - | 4.25 | 90,019 |
| The Foods they Ate | 0 | - | 4.03 | 69,468 |
| Animals Used in Food | 0 | - | 4.28 | 78,166 |
| Most Popular Fruits | 0 | - | 4.16 | 96,694 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,804 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 85,284 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 122,955 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,920 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 236,318 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 225,273 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,361 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,095 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,018 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 57,908 |
| Science Vocabulary #1 | 0 | - | 4.34 | 71,899 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,024 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,349 |
