| Random Symbol to Element | 0 | - | 4.88 | 93,637 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 170,599 |
| International Scientific Units | 0 | - | 4.95 | 157,780 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 63,160 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,100,976 |
| Science General Knowledge #1 | 0 | - | 4.54 | 167,069 |
| Science General Knowledge #2 | 0 | - | 4.48 | 119,515 |
| Science General Knowledge #3 | 0 | - | 4.56 | 109,420 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,698 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,402 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,255,400 |
| First Names of Scientists | 0 | - | 4.51 | 57,133 |
| Groups of Two - Science | 0 | - | 4.26 | 48,425 |
| Science Decoder | 0 | - | 4.52 | 28,834 |
| Elements by Symbol | 0 | - | 4.92 | 198,234 |
| Speed Symbol by Element | 0 | - | 4.90 | 105,313 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,162 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,602 |
| Noble Gases | 0 | - | 4.89 | 78,660 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,928 |
| Periodic Table Symbols | 0 | - | 4.97 | 75,972 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 82,183 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 103,305 |
| Name a Valid Element | 0 | - | 4.67 | 70,312 |
| Name the Virus | 0 | - | 4.87 | 77,004 |
| 4-Letter Music Chain | 0 | - | 4.49 | 53,534 |
| 6-Letter Geography Chain #2 | 0 | - | 4.41 | 71,526 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,959 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 85,265 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,621 |
| 6-Letter History Chain #2 | 0 | - | 4.51 | 57,704 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,711 |
| 4-Letter Movie Chain #3 | 0 | - | 4.50 | 59,763 |
| Cities Chain #2 | 0 | - | 4.42 | 56,480 |
| 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 | 37,695 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,722 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 81,001 |
| 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 | 52,934 |
| Elemental Words | 0 | - | 4.97 | 52,485 |
| Metals of Antiquity | 0 | - | 4.95 | 93,780 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,910 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,832 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,455 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,660 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 277,003 |
| 5-Letter Geography Chain #1 | 0 | - | 4.21 | 131,560 |
| 5-Letter Geography Chain #2 | 0 | - | 4.37 | 127,564 |
| 6-Letter Geography Chain #1 | 0 | - | 4.28 | 96,668 |
| 4-Letter Movie Chain #1 | 0 | - | 4.37 | 110,262 |
| 5-Letter Movie Chain #1 | 0 | - | 4.06 | 68,684 |
| 5-Letter Music Chain | 0 | - | 4.12 | 86,107 |
| 5-Letter Geography Chain #3 | 0 | - | 4.25 | 73,872 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 69,156 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 70,194 |
| 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 | 104,816 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,984 |
| Astronomy Decoder | 0 | - | 4.48 | 38,168 |
| Scientific Names | 0 | - | 4.32 | 78,665 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,644,452 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,871 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,073 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 189,509 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,736 |
| Astronomy Quiz | 0 | - | 4.90 | 83,057 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,109 |
| Solar System Trivia | 0 | - | 4.93 | 46,995 |
| Body Part Cliches | 0 | - | 4.44 | 123,620 |
| Bones of the Human Body | 0 | - | 4.51 | 43,357 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,755 |
| Italian Name Translation | 0 | - | 4.83 | 47,682 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,335 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,109,766 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 167,335 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 119,722 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,251 |
| 7 Deadly Sins | 0 | - | 4.88 | 402,660 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,132 |
| Disney Animated Characters | 0 | - | 4.88 | 602,437 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,655 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 237,763 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 452,566 |
| Countries with Four Letters | 0 | - | 4.99 | 424,906 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,218 |
| Disney Character Chain | 0 | - | 4.12 | 30,795 |
| Word Chain - Asia | 0 | - | 4.34 | 29,374 |
| Baseball Word Chain | 0 | - | 4.17 | 16,250 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,777 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,191 |
| Name a Valid World City | 0 | - | 4.84 | 71,748 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 70,562 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 65,424 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,146 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,236 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,469 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 46,594 |
| 4-Letter Name Chain | 0 | - | 3.71 | 13,327 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,248 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 306,148 |
| Islands by Country #1 | 0 | - | 4.90 | 176,018 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,049 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,388 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,258 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,160 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 201,623 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,021 |
| Country Chain | 0 | - | 4.96 | 218,059 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 218,225 |
| Cold War Decoder | 0 | - | 4.83 | 52,541 |
| Word Chain - South America | 0 | - | 4.51 | 23,969 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,733 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,299 |
| Name a Valid Country #3 | 0 | - | 4.99 | 265,182 |
| Name a Valid Country #1 | 0 | - | 4.99 | 293,860 |
| Name a Valid Country #2 | 0 | - | 4.98 | 253,249 |
| Name a Valid Country #4 | 0 | - | 4.97 | 258,297 |
| Name a Valid Country #5 | 0 | - | 4.99 | 209,223 |
| Name a Valid Country #6 | 0 | - | 4.95 | 142,005 |
| Name a Valid Country #7 | 0 | - | 4.91 | 131,117 |
| Name a Valid Country #8 | 0 | - | 4.86 | 100,325 |
| Name a Valid Country #10 | 0 | - | 4.93 | 43,870 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,407 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,882 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,886 |
| 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 | 26,889 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,657 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,612 |
| People With Place Names | 0 | - | 4.01 | 39,803 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,180 |
| Shared First Names #2 | 0 | - | 4.53 | 45,783 |
| People with J Initials | 0 | - | 4.51 | 55,554 |
| History Analogies #1 | 0 | - | 4.53 | 90,139 |
| History Analogies #2 | 0 | - | 4.49 | 77,375 |
| History Analogies #3 | 0 | - | 4.61 | 80,833 |
| English Idioms #1 | 0 | - | 4.45 | 146,244 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,482 |
| Clothing Idioms | 0 | - | 4.41 | 34,290 |
| Are You a Nerd? | 0 | - | 4.35 | 45,071 |
| The Eleven Colors | 0 | - | 4.74 | 235,758 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,383 |
| 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 | 131,831 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,888 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,840 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,906 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 76,725 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,487 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,656 |
| 4-Letter Word Chain Game #1 | 0 | - | 4.46 | 102,915 |
| 6-Letter Word Chain Game #1 | 0 | - | 4.51 | 62,762 |
| 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 | 85,174 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,679 |
| Random History by Country | 0 | - | 4.53 | 34,970 |
| Geography Decoder | 0 | - | 4.53 | 75,784 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,786 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,570 |
| Fruits by Picture | 0 | - | 4.19 | 808,650 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,547 |
| Answers are Beverages | 0 | - | 4.06 | 61,510 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,614 |
| Types of Food | 0 | - | 4.25 | 90,225 |
| The Foods they Ate | 0 | - | 4.03 | 69,542 |
| Animals Used in Food | 0 | - | 4.28 | 78,343 |
| Most Popular Fruits | 0 | - | 4.16 | 96,866 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,875 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 85,507 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 62,079 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 322,920 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 737,641 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,617 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,118 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 58,310 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 196,633 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,219 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 323,793 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,504 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,559 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 80,816 |
| 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 | 18,311 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 125,013 |
| Random Countries by Borders | 0 | - | 4.99 | 82,870 |
