| Random Symbol to Element | 0 | - | 4.88 | 93,637 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,595 |
| International Scientific Units | 0 | - | 4.95 | 157,771 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,157 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,100,963 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,065 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,512 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,417 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,697 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,401 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,255,348 |
| First Names of Scientists | 0 | - | 4.51 | 57,131 |
| Groups of Two - Science | 0 | - | 4.26 | 48,424 |
| Science Decoder | 0 | - | 4.52 | 28,833 |
| Elements by Symbol | 0 | - | 4.92 | 198,227 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,307 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,162 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,599 |
| Noble Gases | 0 | - | 4.89 | 78,658 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,923 |
| Periodic Table Symbols | 0 | - | 4.97 | 75,774 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,181 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,298 |
| Name a Valid Element | 0 | - | 4.67 | 70,307 |
| Name the Virus | 0 | - | 4.87 | 77,004 |
| 4-Letter Music Chain | 0 | - | 4.49 | 53,533 |
| 6-Letter Geography Chain #2 | 0 | - | 4.41 | 71,523 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,957 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 85,264 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,621 |
| 6-Letter History Chain #2 | 0 | - | 4.51 | 57,703 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,711 |
| 4-Letter Movie Chain #3 | 0 | - | 4.50 | 59,762 |
| Cities Chain #2 | 0 | - | 4.42 | 56,479 |
| Cities Chain #1 | 0 | - | 4.61 | 66,764 |
| 6-Letter Movie Chain #1 | 0 | - | 4.21 | 75,028 |
| Word Chain - Africa | 0 | - | 4.47 | 31,686 |
| 6-Letter Movie Chain #2 | 0 | - | 4.28 | 37,694 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,722 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 80,994 |
| Famous Scientists | 0 | - | 4.57 | 42,791 |
| Citrus Fruits | 0 | - | 3.66 | 42,132 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 54,192 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,933 |
| Elemental Words | 0 | - | 4.97 | 52,484 |
| Metals of Antiquity | 0 | - | 4.95 | 93,776 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,909 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,832 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,454 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,658 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 276,994 |
| 5-Letter Geography Chain #1 | 0 | - | 4.21 | 131,557 |
| 5-Letter Geography Chain #2 | 0 | - | 4.37 | 127,561 |
| 6-Letter Geography Chain #1 | 0 | - | 4.28 | 96,665 |
| 4-Letter Movie Chain #1 | 0 | - | 4.37 | 110,262 |
| 5-Letter Movie Chain #1 | 0 | - | 4.06 | 68,683 |
| 5-Letter Music Chain | 0 | - | 4.12 | 86,103 |
| 5-Letter Geography Chain #3 | 0 | - | 4.25 | 73,870 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 69,156 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 70,193 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,427 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,505 |
| 5-Letter Movie Chain #2 | 0 | - | 4.33 | 48,564 |
| 5-Letter Movie Chain #3 | 0 | - | 4.34 | 39,344 |
| 4-Letter Movie Chain #2 | 0 | - | 4.36 | 56,898 |
| Halloween Word Chain | 0 | - | 4.12 | 37,584 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,814 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,982 |
| Astronomy Decoder | 0 | - | 4.48 | 38,167 |
| Scientific Names | 0 | - | 4.32 | 78,663 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,644,280 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,870 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,072 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,504 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,733 |
| Astronomy Quiz | 0 | - | 4.90 | 83,055 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,104 |
| Solar System Trivia | 0 | - | 4.93 | 46,991 |
| Body Part Cliches | 0 | - | 4.44 | 123,620 |
| Bones of the Human Body | 0 | - | 4.51 | 43,357 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,753 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,558 |
| Italian Name Translation | 0 | - | 4.83 | 47,677 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,333 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,109,724 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,329 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,715 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,246 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,647 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,129 |
| Disney Animated Characters | 0 | - | 4.88 | 602,431 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,652 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,760 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,561 |
| Countries with Four Letters | 0 | - | 4.99 | 424,899 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,218 |
| Disney Character Chain | 0 | - | 4.12 | 30,794 |
| Word Chain - Asia | 0 | - | 4.34 | 29,374 |
| Baseball Word Chain | 0 | - | 4.17 | 16,250 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,776 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,187 |
| Name a Valid World City | 0 | - | 4.84 | 71,745 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,423 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,146 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,235 |
| 4-Letter Name Chain | 0 | - | 3.71 | 13,327 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,242 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 306,141 |
| Islands by Country #1 | 0 | - | 4.90 | 176,001 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,045 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,385 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,254 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,157 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,620 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,019 |
| Country Chain | 0 | - | 4.96 | 218,048 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,221 |
| Cold War Decoder | 0 | - | 4.83 | 52,539 |
| Word Chain - South America | 0 | - | 4.51 | 23,968 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,730 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,299 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,170 |
| Name a Valid Country #1 | 0 | - | 4.99 | 293,833 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,236 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,285 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,212 |
| Name a Valid Country #6 | 0 | - | 4.95 | 141,908 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,102 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,316 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,469 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 46,593 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,407 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,879 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,885 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,716 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,319 |
| Environmental Issues | 0 | - | 4.54 | 26,888 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,655 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,612 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 737,585 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,617 |
| People With Place Names | 0 | - | 4.01 | 39,803 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,179 |
| Shared First Names #2 | 0 | - | 4.53 | 45,780 |
| People with J Initials | 0 | - | 4.51 | 55,554 |
| History Analogies #1 | 0 | - | 4.53 | 90,138 |
| History Analogies #2 | 0 | - | 4.49 | 77,375 |
| History Analogies #3 | 0 | - | 4.61 | 80,832 |
| English Idioms #1 | 0 | - | 4.45 | 146,243 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,481 |
| Clothing Idioms | 0 | - | 4.41 | 34,290 |
| Are You a Nerd? | 0 | - | 4.35 | 45,071 |
| The Eleven Colors | 0 | - | 4.74 | 235,754 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,379 |
| King in the Answers | 0 | - | 4.42 | 50,310 |
| Super in the Answers | 0 | - | 4.52 | 110,631 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,618 |
| Five Letter Geography #3 | 0 | - | 4.62 | 131,825 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,881 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,832 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,905 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 76,474 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,474 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,654 |
| 4-Letter Word Chain Game #1 | 0 | - | 4.46 | 102,915 |
| 6-Letter Word Chain Game #1 | 0 | - | 4.51 | 62,760 |
| 6-Letter Word Chain Game #2 | 0 | - | 4.52 | 66,616 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,914 |
| Five Letter Geography #4 | 0 | - | 4.78 | 85,173 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,679 |
| Random History by Country | 0 | - | 4.53 | 34,970 |
| Geography Decoder | 0 | - | 4.53 | 75,783 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,784 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,570 |
| Fruits by Picture | 0 | - | 4.19 | 808,647 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,546 |
| Answers are Beverages | 0 | - | 4.06 | 61,509 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,613 |
| Types of Food | 0 | - | 4.25 | 90,224 |
| The Foods they Ate | 0 | - | 4.03 | 69,542 |
| Animals Used in Food | 0 | - | 4.28 | 78,341 |
| Most Popular Fruits | 0 | - | 4.16 | 96,864 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,875 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 85,506 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,076 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,905 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,116 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,629 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,219 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,789 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,498 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,557 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,811 |
| The Only Country ... | 0 | - | 4.91 | 81,669 |
| 5-Letter American TV Chain | 0 | - | 3.76 | 12,246 |
| 4-Letter American TV Chain | 0 | - | 3.83 | 18,310 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 125,010 |
| Random Countries by Borders | 0 | - | 4.99 | 82,869 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 140,801 |
| Random Name a Valid Country | 0 | - | 4.99 | 206,091 |
