| Science General Knowledge #3 | 0 | - | 4.55 | 99,122 |
| Random Symbol to Element | 0 | - | 4.88 | 92,126 |
| International Scientific Units | 0 | - | 4.95 | 155,081 |
| Electromagnetic Spectrum | 0 | - | 4.93 | 62,049 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,090,007 |
| Word Chain - Science | 0 | - | 4.59 | 54,360 |
| Elements of the Periodic Table | 0 | - | 5.00 | 2,217,970 |
| The Sun Quiz | 0 | - | 4.93 | 34,051 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 56,742 |
| First Names of Scientists | 0 | - | 4.50 | 56,432 |
| Groups of Two - Science | 0 | - | 4.26 | 48,121 |
| Science Decoder | 0 | - | 4.52 | 28,638 |
| Elements by Symbol Quiz | 0 | - | 4.92 | 195,271 |
| Speed Symbol by Element | 0 | - | 4.91 | 103,454 |
| Answers are Elements #2 | 0 | - | 4.43 | 54,811 |
| Chemical Elements with Short Names | 0 | - | 4.81 | 93,350 |
| Noble Gases | 0 | - | 4.89 | 77,334 |
| Elements that are Gases at Room Temperature | 0 | - | 4.85 | 63,967 |
| Periodic Table Symbols | 0 | - | 4.97 | 70,757 |
| Elements with One-Letter Symbols | 0 | - | 4.83 | 80,746 |
| Periodic Table Elements A-Z | 0 | - | 4.78 | 102,130 |
| Name a Valid Element | 0 | - | 4.64 | 69,519 |
| Name the Virus | 0 | - | 4.86 | 76,175 |
| Bread Alone | 0 | - | 4.48 | 26,988 |
| Geography General Knowledge #1 | 0 | - | 4.43 | 261,376 |
| Geography General Knowledge #3 | 0 | - | 4.54 | 131,846 |
| Geography General Knowledge #4 | 0 | - | 4.49 | 185,402 |
| Geography General Knowledge #6 | 0 | - | 4.53 | 150,930 |
| Geography General Knowledge #7 | 0 | - | 4.43 | 158,174 |
| Geography General Knowledge #8 | 0 | - | 4.45 | 149,350 |
| Geography General Knowledge #10 | 0 | - | 4.47 | 155,877 |
| Geography General Knowledge #11 | 0 | - | 4.52 | 109,504 |
| Geography General Knowledge #12 | 0 | - | 4.80 | 123,675 |
| Geography General Knowledge #13 | 0 | - | 4.63 | 67,318 |
| History General Knowledge #1 | 0 | - | 4.55 | 127,212 |
| History General Knowledge #3 | 0 | - | 4.50 | 95,700 |
| History General Knowledge #6 | 0 | - | 4.49 | 88,443 |
| History General Knowledge #10 | 0 | - | 4.43 | 77,358 |
| History General Knowledge #11 | 0 | - | 4.45 | 72,054 |
| Major Taxonomic Ranks | 0 | - | 4.63 | 79,723 |
| Famous Scientists | 0 | - | 4.57 | 42,392 |
| Country Decoders #1 | 0 | - | 4.44 | 43,534 |
| Random Geography General Knowledge Quiz | 0 | - | 4.46 | 134,450 |
| Citrus Fruits | 0 | - | 3.65 | 41,940 |
| Things Named For People #3 - Science | 0 | - | 4.85 | 53,539 |
| Answers are Elements #1 | 0 | - | 4.30 | 52,684 |
| Elemental Words | 0 | - | 4.96 | 51,935 |
| Metals of Antiquity | 0 | - | 4.94 | 92,823 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 175,709 |
| Three Letter Body Parts | 0 | - | 4.39 | 204,785 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 87,617 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,135 |
| Best-Selling Video Game Consoles | 0 | - | 4.81 | 269,178 |
| How Do You Like Them Apples? | 0 | - | 4.31 | 22,953 |
| Geography General Knowledge #2 | 0 | - | 4.38 | 179,511 |
| Geography General Knowledge #5 | 0 | - | 4.33 | 148,019 |
| Geography General Knowledge #9 | 0 | - | 4.39 | 131,089 |
| History General Knowledge #5 | 0 | - | 4.39 | 105,953 |
| History General Knowledge #7 | 0 | - | 4.35 | 88,052 |
| History General Knowledge #8 | 0 | - | 4.32 | 83,531 |
| History General Knowledge #9 | 0 | - | 4.40 | 79,439 |
| History General Knowledge #12 | 0 | - | 4.32 | 66,806 |
| History General Knowledge #2 | 0 | - | 4.32 | 112,169 |
| History General Knowledge #4 | 0 | - | 4.33 | 110,062 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,403 |
| Category Elimination - Elements | 0 | - | 4.61 | 53,175 |
| Astronomy Decoder | 0 | - | 4.50 | 37,817 |
| Scientific Names | 0 | - | 4.32 | 78,106 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,557 |
| Random General Knowledge - Countries | 0 | - | 4.33 | 88,283 |
| U.S. Geography General Knowledge #4 | 0 | - | 4.29 | 31,782 |
| U.S. Geography General Knowledge #3 | 0 | - | 4.15 | 34,768 |
| Science Multiple Choice #1 | 0 | - | 4.53 | 85,987 |
| Lightest Chemical Elements A-Z | 0 | - | 4.57 | 31,895 |
| Periodic Table Quiz - First 20 Elements | 0 | - | 4.72 | 187,132 |
| Periodic Table Elements by Clue #1 | 0 | - | 4.80 | 62,158 |
| Astronomy Quiz | 0 | - | 4.89 | 81,601 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 135,600 |
| Solar System Trivia | 0 | - | 4.93 | 45,933 |
| Body Part Cliches | 0 | - | 4.43 | 122,882 |
| Medical Conditions Quiz | 0 | - | 4.78 | 123,000 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 109,838 |
| Word Scramble - Countries | 0 | - | 4.86 | 2,086,693 |
| Solve the Secret Country #1 | 0 | - | 4.94 | 162,908 |
| Solve the Secret Country #2 | 0 | - | 4.84 | 115,910 |
| Anagram Chain - Countries | 0 | - | 4.99 | 115,114 |
| 7 Deadly Sins | 0 | - | 4.88 | 394,396 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 107,700 |
| Disney Animated Characters | 0 | - | 4.88 | 598,848 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,213 |
| April Fools' Quiz #1 | 0 | - | 3.83 | 59,704 |
| April Fools' Quiz #2 | 0 | - | 3.40 | 48,761 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 235,709 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 446,525 |
| Countries with Four Letters | 0 | - | 4.99 | 418,162 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 169,102 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,492 |
| Eight Most Popular Berries | 0 | - | 4.43 | 98,480 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.44 | 66,914 |
| Name a Valid World City | 0 | - | 4.83 | 70,021 |
| Countries but all Vowels are Changed to O | 0 | - | 4.92 | 67,676 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 63,067 |
| Simple Machines Quiz | 0 | - | 4.35 | 9,042 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 214,423 |
| Fruits: No Vowels | 0 | - | 4.81 | 98,415 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,529 |
| Islands by Country #1 | 0 | - | 4.87 | 174,416 |
| Regions of Countries #1 | 0 | - | 4.97 | 158,857 |
| Regions of Countries #2 | 0 | - | 4.95 | 123,228 |
| Regions of Countries #3 | 0 | - | 4.84 | 90,296 |
| U.S. Geography General Knowledge #1 | 0 | - | 4.14 | 28,547 |
| U.S. Geography General Knowledge #2 | 0 | - | 4.27 | 24,594 |
| Country Decoders #2 | 0 | - | 4.12 | 26,729 |
| Countries with Shortest Maximum Distances to the Ocean | 0 | - | 4.13 | 30,852 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 113,558 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 198,189 |
| Top Five Countries By Category #3 | 0 | - | 4.82 | 169,310 |
| Country Chain | 0 | - | 4.96 | 215,598 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 213,566 |
| Cold War Decoder | 0 | - | 4.83 | 51,888 |
| Name a Valid Year in History | 0 | - | 4.93 | 66,286 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 49,573 |
| Name a Valid Country #3 | 0 | - | 4.99 | 259,620 |
| Name a Valid Country #1 | 0 | - | 4.99 | 283,008 |
| Name a Valid Country #2 | 0 | - | 4.98 | 246,157 |
| Name a Valid Country #4 | 0 | - | 4.97 | 251,315 |
| Name a Valid Country #5 | 0 | - | 4.99 | 189,612 |
| Name a Valid Country #6 | 0 | - | 4.94 | 126,232 |
| Name a Valid Country #7 | 0 | - | 4.91 | 126,332 |
| Name a Valid Country #8 | 0 | - | 4.85 | 95,851 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 74,125 |
| Name a Valid Country #10 | 0 | - | 4.93 | 41,313 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,227 |
| Random Geographic Groups of Seven | 0 | - | 4.91 | 45,134 |
| Body Parts in History and Culture | 0 | - | 4.42 | 34,995 |
| Science Vocabulary #2 | 0 | - | 4.52 | 59,216 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,331 |
| Science Multiple Choice #2 | 0 | - | 4.40 | 36,300 |
| Science Multiple Choice #3 | 0 | - | 4.38 | 34,341 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 150,244 |
| Environmental Issues | 0 | - | 4.54 | 26,710 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 710,751 |
| Chuck Norris Facts | 0 | - | 4.50 | 8,009 |
| Two Letter Answers #2 | 0 | - | 4.43 | 85,990 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,371 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.64 | 45,063 |
| "Son" Last Names | 0 | - | 4.48 | 41,702 |
| Shared First Names #2 | 0 | - | 4.53 | 44,951 |
| People with J Initials | 0 | - | 4.51 | 55,204 |
| History Analogies #1 | 0 | - | 4.53 | 89,751 |
| History Analogies #2 | 0 | - | 4.49 | 76,973 |
| History Analogies #3 | 0 | - | 4.61 | 80,408 |
| English Idioms #1 | 0 | - | 4.45 | 144,204 |
| Cliche Quotes Quiz #2 | 0 | - | 4.43 | 45,219 |
| Clothing Idioms | 0 | - | 4.41 | 34,046 |
| Are You a Nerd? | 0 | - | 4.35 | 44,475 |
| The Eleven Colors | 0 | - | 4.73 | 233,186 |
| King in the Answers | 0 | - | 4.42 | 49,577 |
| Super in the Answers | 0 | - | 4.52 | 109,264 |
| Four Letter Geography #1 | 0 | - | 4.69 | 89,065 |
| Five Letter Geography #3 | 0 | - | 4.61 | 130,714 |
| Six Letter Geography #1 | 0 | - | 4.42 | 114,280 |
| Six Letter Geography #2 | 0 | - | 4.68 | 67,380 |
| Six Letter Geography #3 | 0 | - | 4.53 | 81,405 |
| Seven Letter Geography #1 | 0 | - | 4.52 | 71,935 |
| Seven Letter Geography #3 | 0 | - | 4.50 | 37,631 |
| Eight Letter Geography #1 | 0 | - | 4.45 | 38,434 |
| Five Letter Geography #1 | 0 | - | 4.48 | 151,097 |
| Five Letter Geography #4 | 0 | - | 4.78 | 84,546 |
| Five Letter Geography - Hero Mode | 0 | - | 4.63 | 35,424 |
| Random History by Country | 0 | - | 4.53 | 34,637 |
| Geography Decoder | 0 | - | 4.53 | 75,318 |
| Continental Geography Decoder | 0 | - | 4.46 | 52,355 |
| Letter A Geography Chain | 0 | - | 4.53 | 67,300 |
| 6-Letter Movie Chain #3 | 0 | - | 4.43 | 36,056 |
| Fruit & Vegetable Varieties Quiz | 0 | - | 4.30 | 58,084 |
| Fruits by Picture | 0 | - | 4.20 | 804,386 |
| Plants as Key Ingredient | 0 | - | 4.40 | 46,132 |
| Answers are Beverages | 0 | - | 4.10 | 61,014 |
| Basic Cake Ingredients | 0 | - | 4.22 | 109,713 |
| Types of Food | 0 | - | 4.24 | 89,088 |
| The Foods they Ate | 0 | - | 4.03 | 69,175 |
| Animals Used in Food | 0 | - | 4.29 | 77,597 |
| Most Popular Fruits | 0 | - | 4.16 | 96,158 |
| Healthiest Fruits and Vegetables | 0 | - | 4.04 | 46,627 |
| 10 Most Popular Pizza Toppings | 0 | - | 4.06 | 84,656 |
| Valid Answer - World History #1 | 0 | - | 4.56 | 61,507 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 316,664 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,572 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 61,712 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.42 | 319,215 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 179,338 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 88,393 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 77,002 |
| The Only Country ... | 0 | - | 4.91 | 79,750 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 122,297 |
| Random Countries by Borders | 0 | - | 4.99 | 81,600 |
| Top Five Countries by Random Categories | 0 | - | 4.95 | 135,972 |
| Random Name a Valid Country | 0 | - | 4.99 | 203,064 |
| Random Point on Land to Country | 0 | - | 4.99 | 231,588 |
