| Random Symbol to Element | 0 | - | 4.88 | 92,195 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 169,145 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,770 |
| Three Letter Body Parts | 0 | - | 4.40 | 204,883 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,697 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,406 |
| Country Chain | 0 | - | 4.96 | 215,662 |
| Body Parts in History and Culture | 0 | - | 4.42 | 35,083 |
| International Scientific Units | 0 | - | 4.95 | 155,267 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,171 |
| Science General Knowledge #1 | 0 | - | 4.54 | 163,395 |
| Science General Knowledge #2 | 0 | - | 4.47 | 116,597 |
| Science General Knowledge #3 | 0 | - | 4.55 | 99,165 |
| Word Chain - Science | 0 | - | 4.59 | 54,379 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,591 |
| First Names of Scientists | 0 | - | 4.50 | 56,444 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,219,409 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,822 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,172 |
| Name a Valid Element | 0 | - | 4.64 | 69,552 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,530 |
| 4-Letter Music Chain | 0 | - | 4.48 | 53,028 |
| 4-Letter Geography Chain #2 | 0 | - | 4.53 | 87,192 |
| 4-Letter History Chain #1 | 0 | - | 4.41 | 84,711 |
| 5-Letter History Chain #3 | 0 | - | 4.47 | 66,091 |
| 6-Letter History Chain #2 | 0 | - | 4.53 | 57,235 |
| 5-Letter History Chain #1 | 0 | - | 4.54 | 101,792 |
| 4-Letter Movie Chain #3 | 0 | - | 4.50 | 59,249 |
| Cities Chain #2 | 0 | - | 4.42 | 56,161 |
| Cities Chain #1 | 0 | - | 4.61 | 66,335 |
| Word Chain - Christmas | 0 | - | 4.51 | 50,385 |
| Groups of Two - Science | 0 | - | 4.26 | 48,133 |
| Science Decoder | 0 | - | 4.52 | 28,646 |
| Elements by Symbol | 0 | - | 4.92 | 195,429 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,572 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,421 |
| Noble Gases | 0 | - | 4.89 | 77,415 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 64,027 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,854 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,839 |
| Name the Virus | 0 | - | 4.86 | 76,221 |
| Body Part Words | 0 | - | 4.43 | 145,197 |
| Human Body A-Z | 0 | - | 4.51 | 128,333 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,695 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,647 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,315 |
| 5-Letter Geography Chain #1 | 0 | - | 4.21 | 130,688 |
| 5-Letter Geography Chain #2 | 0 | - | 4.39 | 126,428 |
| 6-Letter Geography Chain #1 | 0 | - | 4.27 | 95,756 |
| 4-Letter Movie Chain #1 | 0 | - | 4.36 | 109,257 |
| 5-Letter Movie Chain #1 | 0 | - | 4.05 | 68,316 |
| 5-Letter Music Chain | 0 | - | 4.12 | 84,631 |
| 6-Letter Geography Chain #2 | 0 | - | 4.40 | 70,861 |
| 5-Letter Geography Chain #3 | 0 | - | 4.25 | 73,290 |
| 5-Letter History Chain #2 | 0 | - | 4.25 | 68,756 |
| 6-Letter History Chain #1 | 0 | - | 4.28 | 69,781 |
| 4-Letter History Chain #2 | 0 | - | 4.35 | 58,022 |
| 4-Letter History Chain #3 | 0 | - | 4.38 | 60,027 |
| 5-Letter Movie Chain #2 | 0 | - | 4.32 | 48,215 |
| 5-Letter Movie Chain #3 | 0 | - | 4.33 | 38,966 |
| 4-Letter Movie Chain #2 | 0 | - | 4.36 | 56,431 |
| Word Chain - Africa | 0 | - | 4.47 | 31,435 |
| Halloween Word Chain | 0 | - | 4.12 | 37,417 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,806 |
| Famous Scientists | 0 | - | 4.57 | 42,441 |
| Citrus Fruits | 0 | - | 3.65 | 41,945 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,566 |
| Elemental Words | 0 | - | 4.96 | 51,973 |
| Metals of Antiquity | 0 | - | 4.94 | 92,880 |
| Category Elimination - Elements | 0 | - | 4.62 | 53,211 |
| Astronomy Decoder | 0 | - | 4.50 | 37,832 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,155 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 269,459 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,452 |
| Astronomy Quiz | 0 | - | 4.89 | 81,655 |
| Solar System Trivia | 0 | - | 4.93 | 45,987 |
| Body Parts - No Vowels | 0 | - | 4.15 | 25,071 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,586,329 |
| Italian Name Translation | 0 | - | 4.81 | 44,974 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 109,893 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 163,061 |
| Solve the Secret Country #2 | 0 | - | 4.85 | 116,030 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,185 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 107,777 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 235,778 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,606 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,226 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,521 |
| Disney Character Chain | 0 | - | 4.10 | 30,560 |
| Word Chain - Asia | 0 | - | 4.34 | 29,217 |
| Baseball Word Chain | 0 | - | 4.17 | 16,115 |
| Name a Valid World City | 0 | - | 4.83 | 70,086 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,767 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,141 |
| Scientific Names | 0 | - | 4.32 | 78,143 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 86,018 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,900 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,214 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,177 |
| Body Part Cliches | 0 | - | 4.43 | 123,023 |
| Bones of the Human Body | 0 | - | 4.56 | 34,544 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,077 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,087,440 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,694 |
| Disney Animated Characters | 0 | - | 4.88 | 598,974 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,230 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,664 |
| Countries with Four Letters | 0 | - | 4.99 | 418,378 |
| Word Chain - South America | 0 | - | 4.51 | 23,760 |
| Eight Most Popular Berries | 0 | - | 4.43 | 98,541 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.44 | 66,956 |
| Most Common Body Part Words | 0 | - | 3.91 | 31,508 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,174 |
| Fruits: No Vowels | 0 | - | 4.81 | 98,489 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,624 |
| Islands by Country #1 | 0 | - | 4.87 | 174,452 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,882 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,255 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,319 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 113,607 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,259 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,385 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,700 |
| Cold War Decoder | 0 | - | 4.83 | 51,906 |
| Capital Cities Chain | 0 | - | 4.84 | 81,887 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,357 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,588 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,884 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,726 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,288 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,308 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,462 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,716 |
| Name a Valid Country #6 | 0 | - | 4.95 | 126,334 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,408 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,955 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,234 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 45,173 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,241 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,060 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,346 |
| Science Multiple Choice #2 | 0 | - | 4.37 | 36,327 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,623 |
| Environmental Issues | 0 | - | 4.54 | 26,717 |
| Chuck Norris Facts | 0 | - | 4.50 | 8,035 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,011 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,381 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.64 | 45,095 |
| Shared First Names #2 | 0 | - | 4.53 | 44,974 |
| People with J Initials | 0 | - | 4.51 | 55,211 |
| History Analogies #1 | 0 | - | 4.53 | 89,769 |
| History Analogies #2 | 0 | - | 4.49 | 76,988 |
| History Analogies #3 | 0 | - | 4.61 | 80,420 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,737 |
| English Idioms #1 | 0 | - | 4.45 | 144,253 |
| Cliche Quotes Quiz #2 | 0 | - | 4.43 | 45,228 |
| Clothing Idioms | 0 | - | 4.41 | 34,052 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,260 |
| Are You a Nerd? | 0 | - | 4.35 | 44,493 |
| The Eleven Colors | 0 | - | 4.73 | 233,246 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,396 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,427 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,127 |
| The Only Country ... | 0 | - | 4.91 | 79,819 |
| King in the Answers | 0 | - | 4.42 | 49,613 |
| Super in the Answers | 0 | - | 4.52 | 109,332 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,081 |
| Five Letter Geography #3 | 0 | - | 4.61 | 130,748 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,302 |
| Six Letter Geography #2 | 0 | - | 4.69 | 67,399 |
| Six Letter Geography #3 | 0 | - | 4.53 | 81,423 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 71,969 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 37,660 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,446 |
| 5-Letter American TV Chain | 0 | - | 3.76 | 12,177 |
| 4-Letter American TV Chain | 0 | - | 3.83 | 18,258 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,109 |
| Five Letter Geography #4 | 0 | - | 4.78 | 84,573 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,435 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 122,390 |
| Random Countries by Borders | 0 | - | 4.99 | 81,640 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 136,860 |
| Random History by Country | 0 | - | 4.53 | 34,650 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,155 |
| Geography Decoder | 0 | - | 4.53 | 75,333 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,372 |
| Love Chain Quiz | 0 | - | 3.98 | 30,170 |
| Letter A Geography Chain | 0 | - | 4.53 | 67,313 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,063 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,106 |
| Fruits by Picture | 0 | - | 4.20 | 804,513 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,155 |
| Answers are Beverages | 0 | - | 4.10 | 61,045 |
| Basic Cake Ingredients | 0 | - | 4.22 | 109,741 |
| Types of Food | 0 | - | 4.24 | 89,120 |
| The Foods they Ate | 0 | - | 4.03 | 69,188 |
| Animals Used in Food | 0 | - | 4.29 | 77,622 |
| Most Popular Fruits | 0 | - | 4.16 | 96,197 |
| Healthiest Fruits and Vegetables | 0 | - | 4.04 | 46,635 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 84,690 |
