| Random Symbol to Element | 0 | - | 4.88 | 93,486 |
| Countries with Four Letters | 0 | - | 4.99 | 423,887 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,812 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,099,914 |
| Country Chain | 0 | - | 4.96 | 217,808 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,386 |
| International Scientific Units | 0 | - | 4.95 | 157,538 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,062 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,555 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,256 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,208 |
| Word Chain - Science | 0 | - | 4.59 | 55,025 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,202 |
| First Names of Scientists | 0 | - | 4.51 | 57,058 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,251,528 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,123 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,177 |
| Name a Valid Element | 0 | - | 4.67 | 70,222 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,068 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,211 |
| Groups of Two - Science | 0 | - | 4.26 | 48,394 |
| Science Decoder | 0 | - | 4.52 | 28,814 |
| Elements by Symbol | 0 | - | 4.92 | 197,918 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,110 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,462 |
| Noble Gases | 0 | - | 4.89 | 78,519 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,819 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,880 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,021 |
| Name the Virus | 0 | - | 4.87 | 76,935 |
| Body Part Words | 0 | - | 4.43 | 146,201 |
| Human Body A-Z | 0 | - | 4.51 | 129,452 |
| Super Short Movie Titles | 0 | - | 4.50 | 116,872 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,898 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,899 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,630 |
| Three Letter Acronyms #1 | 0 | - | 4.14 | 67,698 |
| Four-Letter Acronyms | 0 | - | 4.32 | 113,779 |
| Three-Letter Acronyms #2 | 0 | - | 4.23 | 46,491 |
| Four Letter African Geography | 0 | - | 4.67 | 19,554 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,588 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,888 |
| Famous Scientists | 0 | - | 4.57 | 42,751 |
| Citrus Fruits | 0 | - | 3.64 | 42,105 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,127 |
| Elemental Words | 0 | - | 4.96 | 52,429 |
| Metals of Antiquity | 0 | - | 4.95 | 93,678 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,898 |
| Astronomy Decoder | 0 | - | 4.48 | 38,136 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,755 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,605 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 276,281 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,672 |
| Astronomy Quiz | 0 | - | 4.90 | 82,933 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 137,865 |
| Solar System Trivia | 0 | - | 4.93 | 46,896 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,464 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,215 |
| Italian Name Translation | 0 | - | 4.83 | 47,432 |
| Five Letter Movie Titles | 0 | - | 4.27 | 73,971 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,153 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 166,796 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,274 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,996 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,029 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,531 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,197 |
| Three-Letter Acronyms #3 | 0 | - | 4.15 | 30,024 |
| One-Syllable Countries Quiz | 0 | - | 4.36 | 123,062 |
| One Syllable Team Names | 0 | - | 4.18 | 14,259 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,900 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,450 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,348 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,371 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,160 |
| Name a Valid World City | 0 | - | 4.83 | 71,587 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,104 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,638,027 |
| Scientific Names | 0 | - | 4.32 | 78,608 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,780 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,047 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,297 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,670 |
| Body Part Cliches | 0 | - | 4.44 | 123,582 |
| Bones of the Human Body | 0 | - | 4.51 | 43,192 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,663 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,107,475 |
| 7 Deadly Sins | 0 | - | 4.88 | 401,993 |
| Disney Animated Characters | 0 | - | 4.88 | 602,152 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,613 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 451,998 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,643 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,063 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,454 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 46,417 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,086 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,789 |
| Islands by Country #1 | 0 | - | 4.90 | 175,676 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,845 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,206 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,957 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,991 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,320 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 183,660 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,836 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 217,756 |
| Cold War Decoder | 0 | - | 4.83 | 52,483 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,579 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,215 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,224 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,945 |
| Name a Valid Country #1 | 0 | - | 4.99 | 291,932 |
| Name a Valid Country #2 | 0 | - | 4.98 | 251,822 |
| Name a Valid Country #4 | 0 | - | 4.97 | 256,976 |
| Name a Valid Country #5 | 0 | - | 4.99 | 207,951 |
| Name a Valid Country #6 | 0 | - | 4.94 | 130,179 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,922 |
| Name a Valid Country #8 | 0 | - | 4.86 | 99,282 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 75,971 |
| Name a Valid Country #10 | 0 | - | 4.93 | 43,362 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 732,042 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,819 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,134 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,827 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,676 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,057 |
| Environmental Issues | 0 | - | 4.54 | 26,873 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 58,156 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,585 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,590 |
| People With Place Names | 0 | - | 4.01 | 39,747 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,074 |
| "Son" Last Names | 0 | - | 4.47 | 42,539 |
| Shared First Names #2 | 0 | - | 4.53 | 45,675 |
| People with J Initials | 0 | - | 4.51 | 55,518 |
| History Analogies #1 | 0 | - | 4.53 | 90,101 |
| History Analogies #2 | 0 | - | 4.49 | 77,344 |
| History Analogies #3 | 0 | - | 4.61 | 80,793 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,452 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,159 |
| English Idioms #1 | 0 | - | 4.45 | 146,167 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,460 |
| Clothing Idioms | 0 | - | 4.41 | 34,264 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,454 |
| Are You a Nerd? | 0 | - | 4.35 | 45,007 |
| The Eleven Colors | 0 | - | 4.74 | 235,573 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,294 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,316 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,437 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,442 |
| The Only Country ... | 0 | - | 4.91 | 81,527 |
| King in the Answers | 0 | - | 4.42 | 50,260 |
| Super in the Answers | 0 | - | 4.52 | 110,571 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,539 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,691 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,756 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,742 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,810 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,686 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,250 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,593 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,372 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,908 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,588 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,786 |
| Five Letter Geography #4 | 0 | - | 4.78 | 85,088 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,622 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,784 |
| Random Countries by Borders | 0 | - | 4.99 | 82,761 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,479 |
| Random History by Country | 0 | - | 4.53 | 34,930 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,623 |
| Random Point on Land to Country | 0 | - | 4.99 | 236,112 |
| Random Countries on a Topological Map | 0 | - | 4.91 | 52,482 |
| Geography Decoder | 0 | - | 4.53 | 75,748 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,749 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,664 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,376 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,543 |
| Fruits by Picture | 0 | - | 4.19 | 808,290 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,518 |
| Answers are Beverages | 0 | - | 4.06 | 61,466 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,574 |
| Types of Food | 0 | - | 4.25 | 90,155 |
| The Foods they Ate | 0 | - | 4.03 | 69,519 |
| Animals Used in Food | 0 | - | 4.28 | 78,284 |
| Most Popular Fruits | 0 | - | 4.16 | 96,806 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,856 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 85,432 |
| World Countries by 10 Category Elimination #1 | 0 | - | 4.97 | 123,313 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,016 |
| Category Elimination - Countries #2 | 0 | - | 4.98 | 237,031 |
| Category Elimination - Countries #3 | 0 | - | 4.99 | 226,099 |
| Category Elimination - Countries #4 | 0 | - | 4.99 | 192,877 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,489 |
| Name a Valid Island Country | 0 | - | 4.96 | 115,232 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,571 |
| Science Vocabulary #1 | 0 | - | 4.34 | 72,031 |
| Science Vocabulary #3 | 0 | - | 4.31 | 52,111 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,402 |
