| Animal Varieties #1 | 0 | - | 4.48 | 93,453 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,190 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,723 |
| Animal Stereotypes | 0 | - | 4.48 | 37,584 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,988 |
| Deadly Animals | 0 | - | 4.02 | 110,872 |
| Famous Animals #1 | 0 | - | 4.03 | 240,077 |
| Famous Animals #2 | 0 | - | 4.02 | 57,622 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,446 |
| Animal Facts | 0 | - | 4.15 | 43,064 |
| Cat Knowledge | 0 | - | 4.49 | 25,891 |
| Cow Knowledge | 0 | - | 4.46 | 24,328 |
| Elephant Knowledge | 0 | - | 4.41 | 24,032 |
| Human Taxonomy | 0 | - | 4.70 | 19,005 |
| Types of Bears | 0 | - | 4.50 | 144,012 |
| Bear Knowledge | 0 | - | 4.54 | 35,191 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,426 |
| Pack Animals | 0 | - | 4.20 | 10,447 |
| Lion Trivia | 0 | - | 4.19 | 16,453 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,742 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,588 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,468 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,024 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,659 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,514 |
| Name that Bug | 0 | - | 4.12 | 45,662 |
| Bird in the Answers | 0 | - | 4.11 | 34,044 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,260 |
| Horse Knowledge | 0 | - | 4.46 | 24,157 |
| Snake Knowledge | 0 | - | 4.49 | 18,893 |
| French Animal Words | 0 | - | 4.44 | 135,144 |
| Spanish Animal Words | 0 | - | 4.53 | 96,028 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,860 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,469 |
| Words that are Animals | 0 | - | 3.85 | 41,522 |
| Extinct Animals | 0 | - | 4.13 | 27,600 |
| Primate Knowledge | 0 | - | 4.17 | 15,355 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,408 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,330 |
| Animals in the News | 0 | - | 4.37 | 26,848 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,531 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,919 |
| Largest Types of Birds | 0 | - | 4.19 | 27,043 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,790 |
| Fish Knowledge | 0 | - | 4.38 | 25,781 |
| Animals that Start with L | 0 | - | 4.47 | 102,582 |
| Animals that Start with P | 0 | - | 4.45 | 86,584 |
| Animals that Start with S | 0 | - | 4.49 | 87,786 |
| Megadiverse Countries | 0 | - | 4.96 | 149,736 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,293 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,484 |
| Mammals in the Answer | 0 | - | 4.35 | 30,008 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,582 |
| Animals A-Z #1 | 0 | - | 4.40 | 94,002 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,569 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,744 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,936 |
| Animal Decoder | 0 | - | 4.06 | 15,619 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,333 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,081 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,833 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,835 |
| Animals that Start with A | 0 | - | 4.26 | 112,607 |
| Animals that Start with B | 0 | - | 4.31 | 114,552 |
| Animals that Start with C | 0 | - | 4.21 | 93,673 |
| Animals that Start with D | 0 | - | 4.25 | 87,410 |
| Animals that Start with E | 0 | - | 4.28 | 74,292 |
| Animals that Start with F | 0 | - | 4.28 | 107,574 |
| Animals that Start with G | 0 | - | 4.25 | 80,502 |
| Animals that Start with K | 0 | - | 4.07 | 66,831 |
| Animals that Start with M | 0 | - | 4.23 | 84,377 |
| Animals that Start with R | 0 | - | 4.28 | 87,761 |
| Animals that Start with T | 0 | - | 4.32 | 92,208 |
| Animals that Start with H | 0 | - | 4.31 | 86,684 |
| Animals that Start with O | 0 | - | 4.27 | 88,911 |
| Animals that Start with W | 0 | - | 4.36 | 47,443 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,274 |
| Countries with Fjords | 0 | - | 4.94 | 101,649 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,963 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,777 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,407 |
| Animals that Start with N | 0 | - | 3.73 | 31,916 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,946 |
| World's Longest Rivers | 0 | - | 4.89 | 137,865 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 166,041 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,944 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,629 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,509 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 57,034 |
| Countries With No Rivers | 0 | - | 4.96 | 77,282 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,193 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,234 |
| North Sea Countries | 0 | - | 4.92 | 87,812 |
| Black Sea Countries | 0 | - | 4.87 | 60,814 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,678 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,773 |
| Seas on the World Map | 0 | - | 4.96 | 136,172 |
| Seas of the World | 0 | - | 5.00 | 158,971 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,438 |
| Baby, Male and Female Animals | 0 | - | 4.41 | 151,288 |
| Animal Adjectives | 0 | - | 4.77 | 60,250 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,600 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,084 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,568 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,612 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,709 |
| Geologic Time Scale | 0 | - | 4.41 | 10,085 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,100 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,223 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,138 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,922 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,985 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,327 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,571 |
| Animal Sounds | 0 | - | 4.27 | 192,416 |
| Animals of Australia | 0 | - | 4.53 | 42,537 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,663 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,521 |
| Animal Emojis | 0 | - | 4.74 | 85,515 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,161 |
| Animals A-Z by Picture | 0 | - | 4.08 | 67,009 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,584 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,393 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,168 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,651 |
| Birds in the Answer | 0 | - | 4.56 | 52,962 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,044 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,865 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,042 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,327 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,299 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,748 |
| Biggest Lakes in the World | 0 | - | 4.63 | 90,014 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,719 |
| Famous Rivers | 0 | - | 4.75 | 105,346 |
| City to River #1 | 0 | - | 4.59 | 35,924 |
| Most Populous River Basins | 0 | - | 4.55 | 39,844 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,530 |
| Seas that Touch the Most Countries | 0 | - | 4.64 | 97,197 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,334 |
| Flowers by Picture | 0 | - | 4.46 | 105,901 |
| Plants by Picture | 0 | - | 4.24 | 14,537 |
| Animal Idioms Quiz #1 | 0 | - | 4.30 | 43,229 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,789 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,525 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,817 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,559 |
| Dog Knowledge | 0 | - | 4.46 | 34,697 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,451 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,090 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,796 |
| Rivers by City | 0 | - | 4.38 | 31,791 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,287 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,107 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,496 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,499 |
| Trees in the Answer | 0 | - | 4.23 | 45,957 |
| Bear in the Answers | 0 | - | 4.29 | 62,336 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,169 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,747 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,849 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,631 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,930 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,796 |
| Animal Group Names | 0 | - | 4.07 | 23,308 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,834 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,842 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 120,111 |
| Birds A-Z | 0 | - | 4.24 | 36,664 |
| Biggest City by River | 0 | - | 4.38 | 52,993 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,356 |
| Disney Animals | 0 | - | 4.27 | 241,293 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,047 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,325 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,365 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,785 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,263 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,880 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,440 |
| Horse Vocabulary | 0 | - | 4.23 | 22,816 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,330 |
| Big Cats | 0 | - | 3.91 | 67,963 |
| Famous Cats | 0 | - | 4.09 | 18,136 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,991 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,443 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,143 |
| Brand-Name Animals | 0 | - | 4.16 | 74,765 |
| Dog in the Answers | 0 | - | 4.16 | 68,967 |
| Famous Dogs | 0 | - | 4.02 | 28,127 |
| Rivers on Borders | 0 | - | 4.02 | 22,758 |
| Rivers A-Z | 0 | - | 4.35 | 32,878 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,075 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,873 |
| Famous Pets | 0 | - | 3.98 | 30,573 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,327 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,954 |
| National Animals | 0 | - | 4.24 | 90,277 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,808 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,930 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,771 |
