| Animal Varieties #1 | 0 | - | 4.48 | 93,456 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,190 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,727 |
| Animal Stereotypes | 0 | - | 4.48 | 37,592 |
| Primate Knowledge | 0 | - | 4.17 | 15,356 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,994 |
| Deadly Animals | 0 | - | 4.02 | 110,875 |
| Famous Animals #1 | 0 | - | 4.03 | 240,086 |
| Famous Animals #2 | 0 | - | 4.02 | 57,625 |
| 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 | 24,329 |
| Elephant Knowledge | 0 | - | 4.41 | 24,033 |
| Human Taxonomy | 0 | - | 4.70 | 19,007 |
| Types of Bears | 0 | - | 4.50 | 144,017 |
| Bear Knowledge | 0 | - | 4.54 | 35,192 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,430 |
| French Animal Words | 0 | - | 4.44 | 135,151 |
| Spanish Animal Words | 0 | - | 4.53 | 96,033 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,659 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,514 |
| Name that Bug | 0 | - | 4.12 | 45,665 |
| Pack Animals | 0 | - | 4.20 | 10,448 |
| Lion Trivia | 0 | - | 4.19 | 16,454 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,742 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,588 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,470 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,026 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,865 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,485 |
| Bird in the Answers | 0 | - | 4.11 | 34,049 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,263 |
| Horse Knowledge | 0 | - | 4.46 | 24,158 |
| Snake Knowledge | 0 | - | 4.49 | 18,895 |
| Animals that Start with L | 0 | - | 4.47 | 102,590 |
| Animals that Start with P | 0 | - | 4.45 | 86,592 |
| Animals that Start with S | 0 | - | 4.49 | 87,791 |
| Words that are Animals | 0 | - | 3.85 | 41,522 |
| Extinct Animals | 0 | - | 4.13 | 27,600 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,408 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,331 |
| Animals in the News | 0 | - | 4.37 | 26,850 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,531 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,940 |
| Largest Types of Birds | 0 | - | 4.19 | 27,043 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,791 |
| Fish Knowledge | 0 | - | 4.38 | 25,783 |
| Megadiverse Countries | 0 | - | 4.96 | 149,841 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,298 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,485 |
| Animals A-Z #1 | 0 | - | 4.40 | 94,014 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,574 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,838 |
| Animals that Start with A | 0 | - | 4.26 | 112,610 |
| Animals that Start with B | 0 | - | 4.31 | 114,562 |
| Animals that Start with C | 0 | - | 4.21 | 93,676 |
| Animals that Start with D | 0 | - | 4.25 | 87,416 |
| Animals that Start with E | 0 | - | 4.28 | 74,302 |
| Animals that Start with F | 0 | - | 4.28 | 107,579 |
| Animals that Start with G | 0 | - | 4.25 | 80,509 |
| Animals that Start with K | 0 | - | 4.07 | 66,836 |
| Animals that Start with M | 0 | - | 4.23 | 84,387 |
| Animals that Start with R | 0 | - | 4.28 | 87,769 |
| Animals that Start with T | 0 | - | 4.32 | 92,215 |
| Animals that Start with H | 0 | - | 4.31 | 86,692 |
| Animals that Start with O | 0 | - | 4.27 | 88,915 |
| Animals that Start with W | 0 | - | 4.36 | 47,451 |
| Mammals in the Answer | 0 | - | 4.35 | 30,008 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,591 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,744 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,936 |
| Animal Decoder | 0 | - | 4.06 | 15,620 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,335 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,091 |
| The Shark Quiz!! | 0 | - | 4.26 | 24,838 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,283 |
| Countries with Fjords | 0 | - | 4.94 | 101,664 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,968 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,782 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,408 |
| Animals that Start with N | 0 | - | 3.73 | 31,920 |
| World's Longest Rivers | 0 | - | 4.89 | 137,894 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 166,085 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,949 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,946 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,629 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,524 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 57,044 |
| Countries With No Rivers | 0 | - | 4.96 | 77,293 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,213 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,238 |
| North Sea Countries | 0 | - | 4.92 | 87,828 |
| Black Sea Countries | 0 | - | 4.87 | 60,823 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,686 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,785 |
| Seas on the World Map | 0 | - | 4.96 | 136,186 |
| Seas of the World | 0 | - | 5.00 | 159,000 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,448 |
| Baby, Male and Female Animals | 0 | - | 4.41 | 151,310 |
| Animal Adjectives | 0 | - | 4.77 | 60,252 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,626 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,091 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,571 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,630 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,710 |
| Geologic Time Scale | 0 | - | 4.41 | 10,088 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,113 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,226 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,161 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,935 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,987 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,332 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,581 |
| Animal Sounds | 0 | - | 4.27 | 192,423 |
| Animals of Australia | 0 | - | 4.53 | 42,540 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,668 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,522 |
| Animal Emojis | 0 | - | 4.74 | 85,529 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,164 |
| Animals A-Z by Picture | 0 | - | 4.08 | 67,019 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,591 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,396 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,177 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,656 |
| Birds in the Answer | 0 | - | 4.56 | 52,964 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,048 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,866 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,330 |
| Indian Ocean General Knowledge | 0 | - | 4.53 | 22,302 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,753 |
| Biggest Lakes in the World | 0 | - | 4.63 | 90,016 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,727 |
| Famous Rivers | 0 | - | 4.75 | 105,471 |
| City to River #1 | 0 | - | 4.59 | 35,925 |
| Most Populous River Basins | 0 | - | 4.55 | 39,844 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,533 |
| Seas that Touch the Most Countries | 0 | - | 4.64 | 97,203 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,343 |
| Flowers by Picture | 0 | - | 4.46 | 105,907 |
| Animal Idioms Quiz #1 | 0 | - | 4.30 | 43,230 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,792 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,531 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,825 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,562 |
| Dog Knowledge | 0 | - | 4.46 | 34,701 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,042 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,454 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,091 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,798 |
| Rivers by City | 0 | - | 4.38 | 31,791 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,289 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,108 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,531 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,508 |
| Plants by Picture | 0 | - | 4.24 | 14,542 |
| Trees in the Answer | 0 | - | 4.23 | 45,958 |
| Bear in the Answers | 0 | - | 4.29 | 62,340 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,177 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,755 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,854 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,633 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,931 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,799 |
| 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 | 17,844 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 120,204 |
| Birds A-Z | 0 | - | 4.24 | 36,667 |
| Biggest City by River | 0 | - | 4.38 | 52,995 |
| Big Cats | 0 | - | 3.91 | 67,968 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,361 |
| Disney Animals | 0 | - | 4.27 | 241,309 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,048 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,329 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,365 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,788 |
| Famous Dogs | 0 | - | 4.02 | 28,128 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,264 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,881 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,440 |
| Horse Vocabulary | 0 | - | 4.23 | 22,817 |
| Rivers on Borders | 0 | - | 4.02 | 22,760 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,332 |
| Famous Cats | 0 | - | 4.09 | 18,140 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,997 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,445 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,143 |
| Brand-Name Animals | 0 | - | 4.16 | 74,772 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,878 |
| Dog in the Answers | 0 | - | 4.16 | 68,969 |
| Rivers A-Z | 0 | - | 4.35 | 32,878 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,076 |
| Famous Pets | 0 | - | 3.98 | 30,575 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,333 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,954 |
| National Animals | 0 | - | 4.24 | 90,284 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,822 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,940 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,781 |
