| Animal Varieties Quiz #1 | 0 | - | 4.48 | 92,428 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,969 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,107 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,420 |
| Deadly Animals | 0 | - | 4.03 | 109,911 |
| Famous Animals #1 | 0 | - | 4.03 | 238,849 |
| Famous Animals #2 | 0 | - | 4.02 | 57,330 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,155 |
| Animal Facts | 0 | - | 4.15 | 42,912 |
| Cat Knowledge | 0 | - | 4.49 | 25,723 |
| Cow Knowledge | 0 | - | 4.46 | 24,171 |
| Elephant Knowledge | 0 | - | 4.41 | 23,906 |
| Human Taxonomy | 0 | - | 4.68 | 18,853 |
| Types of Bears | 0 | - | 4.51 | 143,119 |
| Bear Knowledge | 0 | - | 4.54 | 34,992 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 55,987 |
| French Animal Words | 0 | - | 4.44 | 133,731 |
| Spanish Animal Words | 0 | - | 4.53 | 95,389 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,397 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,359 |
| Name that Bug | 0 | - | 4.12 | 45,457 |
| Pack Animals | 0 | - | 4.23 | 10,335 |
| Lion Trivia | 0 | - | 4.19 | 16,371 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,604 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,456 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,304 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,912 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,524 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,611 |
| Bird in the Answers | 0 | - | 4.10 | 33,297 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,110 |
| Horse Knowledge | 0 | - | 4.45 | 23,949 |
| Snake Knowledge | 0 | - | 4.49 | 18,730 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,837 |
| Animals that Start with L | 0 | - | 4.47 | 101,331 |
| Animals that Start with P | 0 | - | 4.45 | 85,711 |
| Animals that Start with S | 0 | - | 4.49 | 86,902 |
| Words that are Animals | 0 | - | 3.88 | 41,415 |
| Extinct Animals | 0 | - | 4.18 | 27,410 |
| Primate Knowledge | 0 | - | 4.17 | 15,268 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,233 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,211 |
| Animals in the News | 0 | - | 4.37 | 26,721 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,392 |
| Animals: No Vowels #2 | 0 | - | 4.57 | 21,534 |
| Largest Types of Birds | 0 | - | 4.19 | 26,898 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,689 |
| Fish Knowledge | 0 | - | 4.38 | 25,500 |
| Megadiverse Countries | 0 | - | 4.97 | 133,934 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,563 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,352 |
| Animals A-Z #2 | 0 | - | 4.11 | 66,058 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,216 |
| Animals that Start with A | 0 | - | 4.26 | 111,399 |
| Animals that Start with B | 0 | - | 4.31 | 113,223 |
| Animals that Start with C | 0 | - | 4.23 | 92,383 |
| Animals that Start with D | 0 | - | 4.25 | 86,533 |
| Animals that Start with E | 0 | - | 4.28 | 73,506 |
| Animals that Start with F | 0 | - | 4.28 | 106,635 |
| Animals that Start with G | 0 | - | 4.25 | 79,759 |
| Animals that Start with K | 0 | - | 4.06 | 66,259 |
| Animals that Start with M | 0 | - | 4.23 | 83,628 |
| Animals that Start with R | 0 | - | 4.27 | 87,037 |
| Animals that Start with T | 0 | - | 4.32 | 90,706 |
| Animals that Start with H | 0 | - | 4.31 | 85,945 |
| Animals that Start with O | 0 | - | 4.27 | 88,267 |
| Animals that Start with W | 0 | - | 4.35 | 46,893 |
| Mammals in the Answer | 0 | - | 4.35 | 29,918 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,370 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,527 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,772 |
| Animal Decoder | 0 | - | 4.06 | 15,465 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,203 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,616 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,392 |
| Countries with Fjords | 0 | - | 4.93 | 100,237 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,296 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,197 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,296 |
| World's Longest Rivers | 0 | - | 4.88 | 121,134 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 161,929 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,461 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,834 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,514 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,893 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,643 |
| Countries With No Rivers | 0 | - | 4.96 | 76,056 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,276 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,751 |
| North Sea Countries | 0 | - | 4.92 | 86,627 |
| Black Sea Countries | 0 | - | 4.87 | 60,349 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,033 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,128 |
| Seas on the World Map | 0 | - | 4.96 | 133,979 |
| Seas of the World | 0 | - | 5.00 | 154,487 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,287 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,966 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,683 |
| Animal Adjectives | 0 | - | 4.77 | 59,843 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,019 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,944 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,271 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,942 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,158 |
| Animals that Start with N | 0 | - | 3.73 | 31,428 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,343 |
| Geologic Time Scale | 0 | - | 4.46 | 9,928 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,258 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,695 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,757 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,954 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,676 |
| Biggest Animals by Category | 0 | - | 4.18 | 72,956 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,653 |
| Animal Sounds | 0 | - | 4.26 | 191,195 |
| Animals of Australia | 0 | - | 4.52 | 42,166 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,260 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,218 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,911 |
| Animal Emojis | 0 | - | 4.69 | 83,360 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,116 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,946 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,791 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,917 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,157 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,900 |
| Birds in the Answer | 0 | - | 4.56 | 52,703 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,638 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,738 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,163 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,152 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,465 |
| Biggest Lakes in the World | 0 | - | 4.62 | 89,023 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,131 |
| Famous Rivers | 0 | - | 4.74 | 104,551 |
| City to River #1 | 0 | - | 4.59 | 35,748 |
| Most Populous River Basins | 0 | - | 4.61 | 39,554 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,127 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 95,948 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,775 |
| Flowers by Picture | 0 | - | 4.46 | 105,026 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,911 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,475 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,980 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,878 |
| Dog Knowledge | 0 | - | 4.46 | 34,184 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,980 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,016 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,916 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,326 |
| Biggest City by River | 0 | - | 4.41 | 52,702 |
| Rivers by City | 0 | - | 4.38 | 31,640 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,796 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,926 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,236 |
| Plants by Picture | 0 | - | 4.24 | 14,338 |
| Trees in the Answer | 0 | - | 4.25 | 45,748 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 183,073 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,050 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,029 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,469 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,637 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,331 |
| Animal Group Names | 0 | - | 4.06 | 23,105 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,696 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,602 |
| Most Popular Dog Breeds | 0 | - | 4.19 | 110,600 |
| Birds A-Z | 0 | - | 4.24 | 36,361 |
| Bear in the Answers | 0 | - | 4.29 | 61,630 |
| Big Cats | 0 | - | 3.91 | 67,683 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,380 |
| Disney Animals | 0 | - | 4.27 | 238,714 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,942 |
| Sayings About Animals #4 | 0 | - | 4.21 | 41,942 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,258 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,413 |
| Famous Dogs | 0 | - | 4.02 | 27,880 |
| Fictional Birds by Picture | 0 | - | 4.29 | 25,892 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,719 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,384 |
| Horse Vocabulary | 0 | - | 4.22 | 22,677 |
| Rivers on Borders | 0 | - | 4.02 | 22,638 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,187 |
| Famous Cats | 0 | - | 4.08 | 17,984 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,568 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,129 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 17,985 |
| Brand-Name Animals | 0 | - | 4.16 | 74,298 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,549 |
| Dog in the Answers | 0 | - | 4.16 | 68,367 |
| Rivers A-Z | 0 | - | 4.35 | 32,688 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 27,888 |
| Famous Pets | 0 | - | 3.98 | 30,368 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,445 |
| National Animals | 0 | - | 4.24 | 89,171 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,643 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,333 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,657 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,444 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,638 |
