| Random Symbol to Element | 0 | - | 4.88 | 93,711 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,101,406 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,173 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,565 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,477 |
| Word Chain - Science | 0 | - | 4.59 | 55,103 |
| The Only Country ... | 0 | - | 4.91 | 81,731 |
| International Scientific Units | 0 | - | 4.95 | 158,123 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,205 |
| First Names of Scientists | 0 | - | 4.51 | 57,155 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,257,054 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,177 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,366 |
| Name a Valid Element | 0 | - | 4.67 | 70,346 |
| Medical Acronyms | 0 | - | 4.43 | 97,186 |
| Medical Vocabulary | 0 | - | 4.54 | 59,428 |
| Groups of Two - Science | 0 | - | 4.26 | 48,434 |
| Science Decoder | 0 | - | 4.52 | 28,846 |
| Elements by Symbol | 0 | - | 4.92 | 198,399 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,424 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,680 |
| Noble Gases | 0 | - | 4.89 | 78,735 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,979 |
| Periodic Table Symbols | 0 | - | 4.97 | 78,931 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,277 |
| Body Part Words | 0 | - | 4.43 | 146,317 |
| Name the Virus | 0 | - | 4.87 | 77,048 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,173 |
| Citrus Fruits | 0 | - | 3.66 | 42,140 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,228 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,942 |
| Elemental Words | 0 | - | 4.97 | 52,518 |
| Metals of Antiquity | 0 | - | 4.95 | 93,817 |
| Category Elimination - Elements | 0 | - | 4.61 | 54,017 |
| Astronomy Decoder | 0 | - | 4.48 | 38,184 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,951 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,861 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,490 |
| Medical Specialties | 0 | - | 4.33 | 92,245 |
| The Diseases They Had | 0 | - | 4.15 | 14,060 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,685 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 277,305 |
| Books by Clue #2 | 0 | - | 4.43 | 26,763 |
| World Cities by Clue #2 | 0 | - | 4.49 | 50,399 |
| Cities that End in A by Clue | 0 | - | 4.55 | 53,168 |
| Cities that End in O by Clue | 0 | - | 4.56 | 61,439 |
| Cities that End in N by Clue | 0 | - | 4.55 | 54,293 |
| Cities that End in I by Clue | 0 | - | 4.62 | 57,504 |
| Cities that End in S by Clue | 0 | - | 4.57 | 45,119 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,879 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 81,049 |
| Famous Scientists | 0 | - | 4.57 | 42,816 |
| Dumb it Down Doc | 0 | - | 4.13 | 65,146 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,647,188 |
| Random Cities by Clue | 0 | - | 4.53 | 42,840 |
| MLB Baseball Team Names by Clue | 0 | - | 4.35 | 67,922 |
| Astronomy Quiz | 0 | - | 4.90 | 83,110 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,206 |
| Solar System Trivia | 0 | - | 4.93 | 47,035 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,306 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,718 |
| Italian Name Translation | 0 | - | 4.83 | 47,747 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,406 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,973 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 167,581 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,912 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,344 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,971 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,183 |
| Disney Animated Characters | 0 | - | 4.88 | 602,590 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,860 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,813 |
| Books by Clue #1 | 0 | - | 4.36 | 25,841 |
| Cities that End in R by Clue | 0 | - | 4.68 | 19,026 |
| Cities that End in M by Clue | 0 | - | 4.56 | 21,363 |
| U.S. Cities by Clue #1 | 0 | - | 4.28 | 48,144 |
| U.S. Cities by Clue #2 | 0 | - | 4.08 | 31,711 |
| World Cities by Clue #1 | 0 | - | 4.30 | 74,275 |
| World Cities by Clue Quiz #3 | 0 | - | 4.31 | 48,630 |
| World Cities by Clue Quiz #4 | 0 | - | 4.41 | 24,050 |
| Countries with Four Letters | 0 | - | 4.99 | 425,170 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,704 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,251 |
| Name a Valid World City | 0 | - | 4.84 | 71,835 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,541 |
| Scientific Names | 0 | - | 4.32 | 78,693 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,904 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,080 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,614 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,763 |
| Body Part Cliches | 0 | - | 4.44 | 123,632 |
| Bones of the Human Body | 0 | - | 4.51 | 43,437 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,808 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,481 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 46,669 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 739,299 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,330 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 306,311 |
| Islands by Country #1 | 0 | - | 4.90 | 176,170 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,116 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,444 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,307 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,673 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,239 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,751 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,170 |
| Country Chain | 0 | - | 4.96 | 218,232 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,436 |
| Cold War Decoder | 0 | - | 4.83 | 52,581 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,814 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,246 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,795 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,334 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,221 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,589 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,438 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,671 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,712 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,600 |
| Name a Valid Country #6 | 0 | - | 4.95 | 144,000 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,496 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,631 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 76,604 |
| Name a Valid Country #10 | 0 | - | 4.93 | 44,015 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,417 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,911 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,911 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,734 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,366 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,131 |
| Environmental Issues | 0 | - | 4.54 | 26,898 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,682 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,621 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 58,374 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,634 |
| People With Place Names | 0 | - | 4.01 | 39,824 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,216 |
| "Son" Last Names | 0 | - | 4.47 | 42,659 |
| Shared First Names #2 | 0 | - | 4.53 | 45,811 |
| People with J Initials | 0 | - | 4.51 | 55,576 |
| History Analogies #1 | 0 | - | 4.53 | 90,329 |
| History Analogies #2 | 0 | - | 4.49 | 77,451 |
| History Analogies #3 | 0 | - | 4.61 | 80,893 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,757 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,270 |
| English Idioms #1 | 0 | - | 4.45 | 146,333 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,514 |
| Clothing Idioms | 0 | - | 4.41 | 34,315 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,935 |
| Are You a Nerd? | 0 | - | 4.35 | 45,101 |
| The Eleven Colors | 0 | - | 4.74 | 235,816 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,416 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,581 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,604 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,982 |
| U.S. Cities by Clue #3 | 0 | - | 4.14 | 28,375 |
| Cities that End in L by Clue | 0 | - | 4.24 | 21,128 |
| Smaller Cities That You May Know | 0 | - | 4.35 | 28,527 |
| King in the Answers | 0 | - | 4.42 | 50,331 |
| Super in the Answers | 0 | - | 4.52 | 110,666 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,652 |
| Five Letter Geography #3 | 0 | - | 4.62 | 131,935 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,959 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,916 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,976 |
| Seven Letter Geography #1 | 0 | - | 4.48 | 79,660 |
| Seven Letter Geography #3 | 0 | - | 4.51 | 38,770 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,704 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,983 |
| Five Letter Geography #4 | 0 | - | 4.78 | 85,202 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,697 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 125,114 |
| Random Countries by Borders | 0 | - | 4.99 | 82,911 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 141,011 |
| Random History by Country | 0 | - | 4.53 | 34,976 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,322 |
| Random Point on Land to Country | 0 | - | 4.99 | 236,785 |
| Random Countries on a Topological Map | 0 | - | 4.91 | 52,785 |
| Geography Decoder | 0 | - | 4.53 | 75,803 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,801 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,712 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,418 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,578 |
| Fruits by Picture | 0 | - | 4.19 | 808,837 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,560 |
| Answers are Beverages | 0 | - | 4.06 | 61,525 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,639 |
| Types of Food | 0 | - | 4.25 | 90,249 |
| The Foods they Ate | 0 | - | 4.03 | 69,553 |
| Animals Used in Food | 0 | - | 4.28 | 78,367 |
| Most Popular Fruits | 0 | - | 4.16 | 96,888 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,887 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 85,541 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,794 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,101 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,781 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,737 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,416 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,793 |
| Name a Valid Island Country | 0 | - | 4.97 | 128,268 |
