| Random Symbol to Element | 0 | - | 4.88 | 93,087 |
| 4-Letter Geography Chain #1 | 0 | - | 4.81 | 170,046 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,335 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,591 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,171 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,097,438 |
| Country Chain | 0 | - | 4.96 | 217,080 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,280 |
| International Scientific Units | 0 | - | 4.95 | 156,833 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,766 |
| Science General Knowledge #1 | 0 | - | 4.54 | 166,005 |
| Science General Knowledge #2 | 0 | - | 4.48 | 118,826 |
| Science General Knowledge #3 | 0 | - | 4.56 | 108,712 |
| Word Chain - Science | 0 | - | 4.59 | 54,881 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,829 |
| First Names of Scientists | 0 | - | 4.51 | 56,865 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,242,498 |
| Answers are Elements #2 | 0 | - | 4.43 | 55,024 |
| Periodic Table Elements A-Z | 0 | - | 4.77 | 102,900 |
| Name a Valid Element | 0 | - | 4.64 | 70,042 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,722 |
| 4-Letter Music Chain | 0 | - | 4.48 | 53,366 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,653 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 85,034 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,422 |
| 6-Letter History Chain #2 | 0 | - | 4.51 | 57,545 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 102,226 |
| 4-Letter Movie Chain #3 | 0 | - | 4.50 | 59,555 |
| Cities Chain #2 | 0 | - | 4.42 | 56,367 |
| Cities Chain #1 | 0 | - | 4.61 | 66,624 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,639 |
| Groups of Two - Science | 0 | - | 4.26 | 48,325 |
| Science Decoder | 0 | - | 4.52 | 28,767 |
| Elements by Symbol | 0 | - | 4.92 | 197,236 |
| Speed Symbol by Element | 0 | - | 4.91 | 104,671 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 94,216 |
| Noble Gases | 0 | - | 4.89 | 78,160 |
| Elements that are Gases at Room Temperature | 0 | - | 4.86 | 64,585 |
| Periodic Table Symbols | 0 | - | 4.97 | 72,229 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 81,662 |
| Name the Virus | 0 | - | 4.87 | 76,752 |
| Body Part Words | 0 | - | 4.43 | 145,950 |
| Human Body A-Z | 0 | - | 4.51 | 129,172 |
| Answers are Elements #1 | 0 | - | 4.29 | 52,826 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,820 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,267 |
| 5-Letter Geography Chain #1 | 0 | - | 4.21 | 131,219 |
| 5-Letter Geography Chain #2 | 0 | - | 4.37 | 127,236 |
| 6-Letter Geography Chain #1 | 0 | - | 4.28 | 96,168 |
| 4-Letter Movie Chain #1 | 0 | - | 4.37 | 109,744 |
| 5-Letter Movie Chain #1 | 0 | - | 4.05 | 68,534 |
| 5-Letter Music Chain | 0 | - | 4.12 | 85,694 |
| 6-Letter Geography Chain #2 | 0 | - | 4.40 | 71,272 |
| 5-Letter Geography Chain #3 | 0 | - | 4.25 | 73,649 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 68,989 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 70,029 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,269 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,321 |
| 5-Letter Movie Chain #2 | 0 | - | 4.33 | 48,444 |
| 5-Letter Movie Chain #3 | 0 | - | 4.33 | 39,191 |
| 4-Letter Movie Chain #2 | 0 | - | 4.36 | 56,705 |
| Word Chain - Africa | 0 | - | 4.47 | 31,615 |
| Halloween Word Chain | 0 | - | 4.12 | 37,542 |
| Major Taxonomic Ranks | 0 | - | 4.56 | 80,560 |
| Famous Scientists | 0 | - | 4.57 | 42,646 |
| Citrus Fruits | 0 | - | 3.63 | 42,071 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,979 |
| Elemental Words | 0 | - | 4.96 | 52,290 |
| Metals of Antiquity | 0 | - | 4.95 | 93,431 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,686 |
| Astronomy Decoder | 0 | - | 4.49 | 38,054 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,657 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,392 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 274,594 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,343 |
| Astronomy Quiz | 0 | - | 4.90 | 82,598 |
| Body Parts - No Vowels | 0 | - | 4.13 | 25,342 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,622,404 |
| Italian Name Translation | 0 | - | 4.83 | 46,780 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 110,776 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 165,705 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 118,341 |
| Anagram Chain - Countries | 0 | - | 4.98 | 116,490 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 108,689 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 236,946 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,822 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,379 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,981 |
| Disney Character Chain | 0 | - | 4.10 | 30,730 |
| Word Chain - Asia | 0 | - | 4.34 | 29,329 |
| Baseball Word Chain | 0 | - | 4.17 | 16,201 |
| Name a Valid World City | 0 | - | 4.83 | 71,186 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 69,569 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 64,581 |
| Scientific Names | 0 | - | 4.32 | 78,459 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,550 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 32,005 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.73 | 188,750 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,514 |
| Body Part Cliches | 0 | - | 4.43 | 123,301 |
| Bones of the Human Body | 0 | - | 4.52 | 42,433 |
| Medical Conditions Quiz | 0 | - | 4.78 | 124,166 |
| Word Scramble - Countries | 0 | - | 4.87 | 2,101,384 |
| 7 Deadly Sins | 0 | - | 4.88 | 400,310 |
| Disney Animated Characters | 0 | - | 4.88 | 601,421 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,509 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 450,769 |
| Countries with Four Letters | 0 | - | 4.99 | 422,363 |
| Word Chain - South America | 0 | - | 4.51 | 23,904 |
| Eight Most Popular Berries | 0 | - | 4.43 | 99,369 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 67,758 |
| Countries by Languages in 90 Seconds | 0 | - | 4.94 | 720,607 |
| Fruits: No Vowels | 0 | - | 4.81 | 99,641 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,010 |
| Islands by Country #1 | 0 | - | 4.88 | 175,273 |
| Regions of Countries #1 | 0 | - | 4.96 | 159,516 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,872 |
| Regions of Countries #3 | 0 | - | 4.85 | 90,718 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 114,595 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 200,642 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 182,314 |
| Can You Name These 50 Random Countries? | 0 | - | 4.99 | 216,693 |
| Cold War Decoder | 0 | - | 4.83 | 52,354 |
| Capital Cities Chain | 0 | - | 4.83 | 82,722 |
| Name a Valid Year in History | 0 | - | 4.93 | 67,201 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,026 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 320,606 |
| Name a Valid Country #3 | 0 | - | 4.99 | 263,001 |
| Name a Valid Country #1 | 0 | - | 4.99 | 289,829 |
| Name a Valid Country #2 | 0 | - | 4.98 | 250,679 |
| Name a Valid Country #4 | 0 | - | 4.97 | 255,554 |
| Name a Valid Country #5 | 0 | - | 4.99 | 206,962 |
| Name a Valid Country #6 | 0 | - | 4.94 | 129,411 |
| Name a Valid Country #7 | 0 | - | 4.91 | 129,253 |
| Name a Valid Country #8 | 0 | - | 4.86 | 98,631 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,385 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 46,061 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,647 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,115 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,701 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,577 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,934 |
| Environmental Issues | 0 | - | 4.54 | 26,833 |
| Chuck Norris Facts | 0 | - | 4.51 | 8,451 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,404 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,525 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 45,805 |
| Shared First Names #2 | 0 | - | 4.53 | 45,423 |
| People with J Initials | 0 | - | 4.51 | 55,459 |
| History Analogies #1 | 0 | - | 4.53 | 89,963 |
| History Analogies #2 | 0 | - | 4.49 | 77,209 |
| History Analogies #3 | 0 | - | 4.61 | 80,651 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 195,721 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,034 |
| English Idioms #1 | 0 | - | 4.45 | 145,477 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,399 |
| Clothing Idioms | 0 | - | 4.41 | 34,204 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 322,210 |
| Are You a Nerd? | 0 | - | 4.35 | 44,880 |
| The Eleven Colors | 0 | - | 4.74 | 235,159 |
| Groups of Things - History #1 | 0 | - | 4.41 | 94,100 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 180,918 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,190 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 79,566 |
| The Only Country ... | 0 | - | 4.91 | 81,023 |
| King in the Answers | 0 | - | 4.42 | 50,107 |
| Super in the Answers | 0 | - | 4.52 | 110,011 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,397 |
| Five Letter Geography #3 | 0 | - | 4.61 | 131,502 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,629 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,644 |
| Six Letter Geography #3 | 0 | - | 4.52 | 81,728 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 72,509 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 38,107 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,546 |
| 5-Letter American TV Chain | 0 | - | 3.76 | 12,220 |
| 4-Letter American TV Chain | 0 | - | 3.83 | 18,291 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,610 |
| Five Letter Geography #4 | 0 | - | 4.78 | 84,958 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,576 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,191 |
| Random Countries by Borders | 0 | - | 4.99 | 82,429 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 139,522 |
| Random History by Country | 0 | - | 4.53 | 34,860 |
| Random Name a Valid Country | 0 | - | 4.99 | 205,044 |
| Geography Decoder | 0 | - | 4.53 | 75,636 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,642 |
| Love Chain Quiz | 0 | - | 3.98 | 30,228 |
| Letter A Geography Chain | 0 | - | 4.54 | 67,566 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,291 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,427 |
| Fruits by Picture | 0 | - | 4.19 | 807,271 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,424 |
| Answers are Beverages | 0 | - | 4.10 | 61,368 |
| Basic Cake Ingredients | 0 | - | 4.23 | 110,477 |
| Types of Food | 0 | - | 4.25 | 89,975 |
| The Foods they Ate | 0 | - | 4.03 | 69,444 |
| Animals Used in Food | 0 | - | 4.28 | 78,130 |
| Most Popular Fruits | 0 | - | 4.16 | 96,637 |
| Healthiest Fruits and Vegetables | 0 | - | 4.02 | 46,783 |
