| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,409 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,798 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,735 |
| Animals in World History | 0 | - | 4.74 | 44,627 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,724 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,904 |
| Animal Adjectives | 0 | - | 4.77 | 60,150 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,777 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,287 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,815 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,891 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,409 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,226 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,595 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,484 |
| Name that Bug | 0 | - | 4.12 | 45,609 |
| Bird in the Answers | 0 | - | 4.11 | 33,892 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,223 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,374 |
| Animal Emojis | 0 | - | 4.74 | 85,036 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,741 |
| Birds in the Answer | 0 | - | 4.56 | 52,905 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,965 |
| Animals that Start with L | 0 | - | 4.47 | 102,346 |
| Animals that Start with P | 0 | - | 4.45 | 86,394 |
| Animals that Start with S | 0 | - | 4.49 | 87,591 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,921 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,247 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,313 |
| Animal Sounds | 0 | - | 4.26 | 191,940 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,553 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,455 |
| Animals: No Vowels #2 | 0 | - | 4.50 | 22,623 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,728 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,388 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,250 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,439 |
| Words that are Animals | 0 | - | 3.85 | 41,498 |
| Extinct Animals | 0 | - | 4.16 | 27,555 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,348 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,289 |
| Animals in the News | 0 | - | 4.37 | 26,820 |
| Largest Types of Birds | 0 | - | 4.19 | 27,005 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,769 |
| Megadiverse Countries | 0 | - | 4.96 | 135,159 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,582 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,456 |
| Mammals in the Answer | 0 | - | 4.35 | 29,989 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,273 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,849 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,483 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,691 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,898 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,120 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,416 |
| Animal Decoder | 0 | - | 4.06 | 15,573 |
| Animal Group Names | 0 | - | 4.07 | 23,258 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,301 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,791 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 87,424 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,784 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,660 |
| Animals that Start with A | 0 | - | 4.26 | 112,347 |
| Animals that Start with B | 0 | - | 4.31 | 114,056 |
| Animals that Start with C | 0 | - | 4.21 | 93,453 |
| Animals that Start with D | 0 | - | 4.25 | 87,196 |
| Animals that Start with E | 0 | - | 4.28 | 74,114 |
| Animals that Start with F | 0 | - | 4.28 | 107,363 |
| Animals that Start with G | 0 | - | 4.25 | 80,329 |
| Animals that Start with K | 0 | - | 4.07 | 66,690 |
| Animals that Start with M | 0 | - | 4.23 | 84,227 |
| Animals that Start with R | 0 | - | 4.28 | 87,600 |
| Animals that Start with T | 0 | - | 4.32 | 92,028 |
| Animals that Start with H | 0 | - | 4.31 | 86,518 |
| Animals that Start with O | 0 | - | 4.27 | 88,768 |
| Animals that Start with W | 0 | - | 4.36 | 47,318 |
| Countries by National Anthem | 0 | - | 4.92 | 71,359 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,980 |
| Countries with Fjords | 0 | - | 4.94 | 101,193 |
| Bear in the Answers | 0 | - | 4.29 | 62,199 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,576 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,079 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,131 |
| Animal Varieties #3 | 0 | - | 4.52 | 55,528 |
| Animal Stereotypes | 0 | - | 4.48 | 37,418 |
| Birds A-Z | 0 | - | 4.24 | 36,591 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,371 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,512 |
| Head to Head - Animals | 0 | - | 4.88 | 69,844 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,661 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,191 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,840 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,425 |
| Animals that Start with N | 0 | - | 3.73 | 31,803 |
| Horse Vocabulary | 0 | - | 4.23 | 22,778 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,830 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,798 |
| Types of Bears | 0 | - | 4.51 | 143,884 |
| Deadly Animals | 0 | - | 4.02 | 110,728 |
| Famous Animals #1 | 0 | - | 4.03 | 239,875 |
| Famous Animals #2 | 0 | - | 4.02 | 57,570 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,386 |
| Animal Facts | 0 | - | 4.15 | 43,024 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,015 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,333 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,431 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,914 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,597 |
| Cat Knowledge | 0 | - | 4.48 | 25,855 |
| Bear Knowledge | 0 | - | 4.54 | 35,139 |
| Cow Knowledge | 0 | - | 4.46 | 24,296 |
| Elephant Knowledge | 0 | - | 4.41 | 23,994 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,314 |
| Human Taxonomy | 0 | - | 4.70 | 18,961 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,835 |
| Musical Instruments by Picture #2 | 0 | - | 4.24 | 47,240 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,800 |
| Countries With No Rivers | 0 | - | 4.96 | 77,037 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,537 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,124 |
| North Sea Countries | 0 | - | 4.92 | 87,610 |
| Black Sea Countries | 0 | - | 4.87 | 60,701 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,511 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,618 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,334 |
| French Animal Words | 0 | - | 4.44 | 134,839 |
| Spanish Animal Words | 0 | - | 4.53 | 95,880 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,097 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,002 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,717 |
| Horse Knowledge | 0 | - | 4.46 | 24,100 |
| Snake Knowledge | 0 | - | 4.49 | 18,852 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,420 |
| 2000s Music Trivia #1 | 0 | - | 4.04 | 67,298 |
| 2000s Music Trivia #2 | 0 | - | 4.19 | 53,111 |
| 1990s Music Trivia #1 | 0 | - | 4.28 | 50,959 |
| 1990s Music Trivia #2 | 0 | - | 4.06 | 35,792 |
| 1970s Music Trivia | 0 | - | 4.29 | 31,731 |
| Twelve Days of Christmas | 0 | - | 4.45 | 146,162 |
| Rudolph the Red-Nosed Reindeer | 0 | - | 4.53 | 76,400 |
| Songs From Movies | 0 | - | 4.36 | 66,226 |
| Movies by Soundtrack | 0 | - | 4.40 | 31,714 |
| Musicians Who Died Young | 0 | - | 4.39 | 108,887 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,588 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,905 |
| African Great Lakes | 0 | - | 4.82 | 66,762 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,810 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,678 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,027 |
| Animals of Australia | 0 | - | 4.52 | 42,433 |
| Pack Animals | 0 | - | 4.20 | 10,422 |
| Lion Trivia | 0 | - | 4.19 | 16,429 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,565 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,703 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,538 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,429 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,002 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,501 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,932 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,642 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,338 |
| Music by Year, 1990–2009 | 0 | - | 4.18 | 110,307 |
| Music by Year, 1970–1989 | 0 | - | 4.31 | 41,266 |
| Musical Instruments by Picture #1 | 0 | - | 4.52 | 269,538 |
| #1 Hits of the 1980s | 0 | - | 4.87 | 149,155 |
| 2010s Music Trivia | 0 | - | 4.41 | 93,658 |
| Christmas Song Lyrics | 0 | - | 4.19 | 70,737 |
| Yakko's World Lyrics Quiz With a Map | 0 | - | 4.69 | 19,331 |
| Songs by Picture Quiz #1 | 0 | - | 4.68 | 66,380 |
| Songs by Picture Quiz #2 | 0 | - | 4.42 | 59,195 |
| Cities with the Most Opera Performances | 0 | - | 4.64 | 41,686 |
| Musicians by Picture #1 | 0 | - | 4.37 | 109,673 |
| Musicians by Picture #2 | 0 | - | 4.29 | 77,124 |
| Musicians by Picture #4 | 0 | - | 4.07 | 65,409 |
| Musicians by Picture #3 | 0 | - | 4.10 | 59,395 |
| American TV Theme Songs | 0 | - | 4.34 | 73,177 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,840 |
| African Physical Geography | 0 | - | 4.51 | 31,781 |
| Asian Physical Geography | 0 | - | 4.61 | 35,591 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,893 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,682 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,324 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,765 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,850 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,201 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,192 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,538 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,226 |
| Flowers by Picture | 0 | - | 4.46 | 105,801 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,128 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,685 |
| Primate Knowledge | 0 | - | 4.17 | 15,331 |
| Animals by Alternate Etymology | 0 | - | 3.49 | 9,635 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,496 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,605 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,394 |
| Dog Knowledge | 0 | - | 4.46 | 34,512 |
| Fish Knowledge | 0 | - | 4.38 | 25,707 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,185 |
| Pasta... or Composer? | 0 | - | 4.63 | 26,798 |
