| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,545 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,047 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,092 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,548 |
| Animal Sounds | 0 | - | 4.27 | 192,183 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,647 |
| Animal Emojis | 0 | - | 4.74 | 85,451 |
| Birds in the Answer | 0 | - | 4.56 | 52,946 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,310 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,674 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,482 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,510 |
| Animals in World History | 0 | - | 4.74 | 44,711 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,903 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,824 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,682 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,625 |
| Mammals in the Answer | 0 | - | 4.35 | 30,006 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,546 |
| Animal Decoder | 0 | - | 4.06 | 15,613 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,243 |
| Animal Adjectives | 0 | - | 4.77 | 60,242 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,849 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,439 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,540 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,068 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,545 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,565 |
| Bear in the Answers | 0 | - | 4.29 | 62,317 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,404 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,651 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,512 |
| Name that Bug | 0 | - | 4.12 | 45,660 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,249 |
| Bird in the Answers | 0 | - | 4.11 | 34,025 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,875 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,255 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,139 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,034 |
| Animals that Start with L | 0 | - | 4.47 | 102,547 |
| Animals that Start with P | 0 | - | 4.45 | 86,559 |
| Animals that Start with S | 0 | - | 4.49 | 87,764 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,973 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,318 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,042 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,510 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,941 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,626 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,875 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,968 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,566 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,387 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,632 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,594 |
| Words that are Animals | 0 | - | 3.85 | 41,522 |
| Extinct Animals | 0 | - | 4.13 | 27,594 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,401 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,324 |
| Animals in the News | 0 | - | 4.37 | 26,846 |
| Dog Knowledge | 0 | - | 4.46 | 34,673 |
| Largest Types of Birds | 0 | - | 4.19 | 27,037 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,786 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,777 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 278,909 |
| Landforms by Country | 0 | - | 4.52 | 52,031 |
| Five Biggest Immigrant Groups by Country #3 | 0 | - | 4.70 | 66,704 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,141 |
| Megadiverse Countries | 0 | - | 4.96 | 149,087 |
| Animal Idioms Quiz #1 | 0 | - | 4.30 | 43,221 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,781 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,781 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,976 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,560 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,743 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,933 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,774 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,890 |
| Animal Group Names | 0 | - | 4.07 | 23,305 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,326 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,828 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,821 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,836 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,814 |
| Animals that Start with A | 0 | - | 4.26 | 112,576 |
| Animals that Start with B | 0 | - | 4.31 | 114,521 |
| Animals that Start with C | 0 | - | 4.21 | 93,645 |
| Animals that Start with D | 0 | - | 4.25 | 87,379 |
| Animals that Start with E | 0 | - | 4.28 | 74,268 |
| Animals that Start with F | 0 | - | 4.28 | 107,552 |
| Animals that Start with G | 0 | - | 4.25 | 80,482 |
| Animals that Start with K | 0 | - | 4.07 | 66,813 |
| Animals that Start with M | 0 | - | 4.23 | 84,355 |
| Animals that Start with R | 0 | - | 4.28 | 87,739 |
| Animals that Start with T | 0 | - | 4.32 | 92,187 |
| Animals that Start with H | 0 | - | 4.31 | 86,658 |
| Animals that Start with O | 0 | - | 4.27 | 88,890 |
| Animals that Start with W | 0 | - | 4.36 | 47,431 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,659,800 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,225 |
| Italian Name Translation | 0 | - | 4.83 | 48,219 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,897 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,728 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,880 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,932 |
| Famous Duos #2 | 0 | - | 4.18 | 117,687 |
| Famous Duos Quiz #1 | 0 | - | 4.15 | 84,388 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,441 |
| MLB Baseball Groups of Things | 0 | - | 4.11 | 18,630 |
| Literary Groups of Things | 0 | - | 4.27 | 30,750 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 238,343 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 171,061 |
| Random Symbol to Element | 0 | - | 4.88 | 94,192 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,379 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,103 |
| Name a Valid World City | 0 | - | 4.85 | 72,137 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,342 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,243 |
| Countries with Fjords | 0 | - | 4.94 | 101,595 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,142 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,728 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,830 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,436 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,177 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,703 |
| Animal Stereotypes | 0 | - | 4.48 | 37,562 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 119,482 |
| Birds A-Z | 0 | - | 4.24 | 36,656 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,128,254 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,815 |
| Disney Animated Characters | 0 | - | 4.88 | 603,190 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,748 |
| Countries with Four Letters | 0 | - | 4.99 | 426,457 |
| Eight Most Popular Berries | 0 | - | 4.44 | 100,651 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,719 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,339 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,315 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,774 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,776 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,437 |
| Animals that Start with N | 0 | - | 3.73 | 31,902 |
| Horse Vocabulary | 0 | - | 4.23 | 22,813 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,534 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 46,947 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,548 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,103,694 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,659 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 306,956 |
| Islands by Country #1 | 0 | - | 4.90 | 176,494 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,338 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,655 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,470 |
| Board Game Groups of Things | 0 | - | 4.17 | 31,362 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,549 |
| Country Chain | 0 | - | 4.96 | 218,664 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,508 |
| Cold War Decoder | 0 | - | 4.83 | 52,706 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,476 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,365 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,388 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,112 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,610 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,605 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,418 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,650 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,150 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,272 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 76,998 |
| Name a Valid Country #10 | 0 | - | 4.93 | 44,430 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,974 |
| Types of Bears | 0 | - | 4.50 | 143,993 |
| Deadly Animals | 0 | - | 4.02 | 110,858 |
| Famous Animals #1 | 0 | - | 4.03 | 240,053 |
| Famous Animals #2 | 0 | - | 4.02 | 57,614 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,439 |
| Animal Facts | 0 | - | 4.15 | 43,061 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,359 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,753 |
| Cat Knowledge | 0 | - | 4.49 | 25,888 |
| Bear Knowledge | 0 | - | 4.54 | 35,187 |
| Cow Knowledge | 0 | - | 4.46 | 24,322 |
| Elephant Knowledge | 0 | - | 4.41 | 24,024 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,411 |
| Human Taxonomy | 0 | - | 4.70 | 19,000 |
| Famous Dogs | 0 | - | 4.02 | 28,113 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,278 |
| Big Cats | 0 | - | 3.91 | 67,950 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,943 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 58,650 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,738 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,797 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,660 |
| People With Place Names | 0 | - | 4.01 | 40,008 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,402 |
| "Son" Last Names | 0 | - | 4.47 | 42,842 |
| Shared First Names #2 | 0 | - | 4.53 | 45,962 |
| People with J Initials | 0 | - | 4.51 | 55,648 |
| History Analogies #1 | 0 | - | 4.53 | 90,417 |
| History Analogies #2 | 0 | - | 4.49 | 77,540 |
| History Analogies #3 | 0 | - | 4.61 | 80,984 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 197,140 |
