| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,101,164 |
| Random Symbol to Element | 0 | - | 4.88 | 93,660 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,805 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,923 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,841 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,468 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,289 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,410 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,116 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,545 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,453 |
| Word Chain - Science | 0 | - | 4.59 | 55,091 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,331 |
| International Scientific Units | 0 | - | 4.95 | 157,844 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,183 |
| First Names of Scientists | 0 | - | 4.51 | 57,144 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,256,087 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,170 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,334 |
| Name a Valid Element | 0 | - | 4.67 | 70,329 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,265 |
| Santa's Reindeer | 0 | - | 4.47 | 194,138 |
| Groups of Two - Science | 0 | - | 4.26 | 48,426 |
| Science Decoder | 0 | - | 4.52 | 28,842 |
| Elements by Symbol | 0 | - | 4.92 | 198,296 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,358 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,638 |
| Noble Gases | 0 | - | 4.89 | 78,692 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,946 |
| Periodic Table Symbols | 0 | - | 4.97 | 77,213 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,224 |
| Body Part Words | 0 | - | 4.43 | 146,302 |
| Human Body A-Z | 0 | - | 4.51 | 129,547 |
| Name the Virus | 0 | - | 4.87 | 77,023 |
| Citrus Fruits | 0 | - | 3.66 | 42,136 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,206 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,937 |
| Elemental Words | 0 | - | 4.97 | 52,503 |
| Metals of Antiquity | 0 | - | 4.95 | 93,801 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,998 |
| Astronomy Decoder | 0 | - | 4.48 | 38,172 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,930 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,763 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,787 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,666 |
| Chess Pieces (With Board and Pictures!) | 0 | - | 4.50 | 78,538 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 277,109 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,846 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 81,024 |
| Famous Scientists | 0 | - | 4.57 | 42,798 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,645,529 |
| Famous Duos #2 | 0 | - | 4.18 | 117,596 |
| Famous Duos Quiz #1 | 0 | - | 4.15 | 84,303 |
| Astronomy Quiz | 0 | - | 4.90 | 83,083 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,155 |
| Solar System Trivia | 0 | - | 4.93 | 47,012 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,517 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,627 |
| Italian Name Translation | 0 | - | 4.83 | 47,713 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,362 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,110,205 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,432 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,815 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,295 |
| The Seven Continents Map Quiz | 0 | - | 3.89 | 267,326 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,151 |
| Disney Animated Characters | 0 | - | 4.88 | 602,502 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,809 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,671 |
| Countries with Four Letters | 0 | - | 4.99 | 425,026 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,646 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,233 |
| Name a Valid World City | 0 | - | 4.84 | 71,786 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,474 |
| Scientific Names | 0 | - | 4.32 | 78,681 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,884 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,076 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,565 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,746 |
| Body Part Cliches | 0 | - | 4.44 | 123,623 |
| Bones of the Human Body | 0 | - | 4.51 | 43,402 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,789 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 738,406 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,043 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,202 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 306,227 |
| Islands by Country #1 | 0 | - | 4.90 | 176,094 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,087 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,408 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,278 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,662 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,193 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,677 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,086 |
| Country Chain | 0 | - | 4.96 | 218,133 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,318 |
| Cold War Decoder | 0 | - | 4.83 | 52,557 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,791 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,224 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,755 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,312 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 323,049 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,402 |
| Name a Valid Country #1 | 0 | - | 4.99 | 294,167 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,464 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,515 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,416 |
| Name a Valid Country #6 | 0 | - | 4.95 | 143,152 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,310 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,488 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 76,534 |
| Name a Valid Country #10 | 0 | - | 4.93 | 43,944 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,475 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 46,632 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,895 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,897 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,719 |
| Science Multiple Choice #3 | 0 | - | 4.39 | 34,790 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,122 |
| Environmental Issues | 0 | - | 4.54 | 26,892 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,662 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,613 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,623 |
| People With Place Names | 0 | - | 4.01 | 39,810 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,189 |
| "Son" Last Names | 0 | - | 4.47 | 42,632 |
| Shared First Names #2 | 0 | - | 4.53 | 45,799 |
| People with J Initials | 0 | - | 4.51 | 55,566 |
| History Analogies #1 | 0 | - | 4.53 | 90,143 |
| History Analogies #2 | 0 | - | 4.49 | 77,385 |
| History Analogies #3 | 0 | - | 4.61 | 80,839 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,657 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,229 |
| English Idioms #1 | 0 | - | 4.45 | 146,263 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,490 |
| Clothing Idioms | 0 | - | 4.41 | 34,292 |
| WWII for Dummies | 0 | - | 4.78 | 105,450 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,869 |
| Are You a Nerd? | 0 | - | 4.35 | 45,082 |
| The Eleven Colors | 0 | - | 4.74 | 235,783 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,389 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,540 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,581 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,892 |
| The Only Country ... | 0 | - | 4.91 | 81,694 |
| King in the Answers | 0 | - | 4.42 | 50,324 |
| Super in the Answers | 0 | - | 4.52 | 110,647 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,631 |
| Five Letter Geography #3 | 0 | - | 4.62 | 131,872 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,923 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,877 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,936 |
| Seven Letter Geography #1 | 0 | - | 4.46 | 77,955 |
| Seven Letter Geography #3 | 0 | - | 4.51 | 38,601 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,682 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,945 |
| Five Letter Geography #4 | 0 | - | 4.78 | 85,190 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,686 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 125,069 |
| Random Countries by Borders | 0 | - | 4.99 | 82,894 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,894 |
| Random History by Country | 0 | - | 4.53 | 34,973 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,221 |
| Random Point on Land to Country | 0 | - | 4.99 | 236,690 |
| Random Countries on a Topological Map | 0 | - | 4.91 | 52,744 |
| Geography Decoder | 0 | - | 4.53 | 75,791 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,793 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,703 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,408 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,573 |
| Fruits by Picture | 0 | - | 4.19 | 808,705 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,551 |
| Answers are Beverages | 0 | - | 4.06 | 61,520 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,625 |
| Types of Food | 0 | - | 4.25 | 90,233 |
| The Foods they Ate | 0 | - | 4.03 | 69,547 |
| Animals Used in Food | 0 | - | 4.28 | 78,352 |
| Most Popular Fruits | 0 | - | 4.16 | 96,879 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,882 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 85,522 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,719 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,090 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,650 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,605 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 193,328 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,732 |
| Name a Valid Island Country | 0 | - | 4.97 | 126,465 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 58,331 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,112 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,168 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,147 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,471 |
| Elements by Picture | 0 | - | 4.27 | 70,224 |
| Medical Acronyms | 0 | - | 4.43 | 97,158 |
| Medical Vocabulary | 0 | - | 4.54 | 59,411 |
| Two Letter Answers #4 | 0 | - | 4.27 | 89,091 |
| Two Letter Answers #1 | 0 | - | 4.31 | 108,993 |
| Three Letter Answers #2 | 0 | - | 4.09 | 71,838 |
| Two Letter Answers #3 | 0 | - | 4.13 | 82,822 |
| Three Letter Answers #1 | 0 | - | 4.32 | 74,164 |
