| Animal Varieties #1 | 0 | - | 4.48 | 92,579 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,020 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,208 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,509 |
| Deadly Animals | 0 | - | 4.03 | 110,023 |
| Famous Animals #1 | 0 | - | 4.03 | 239,014 |
| Famous Animals #2 | 0 | - | 4.02 | 57,374 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,193 |
| Animal Facts | 0 | - | 4.15 | 42,936 |
| Cat Knowledge | 0 | - | 4.48 | 25,752 |
| Cow Knowledge | 0 | - | 4.46 | 24,201 |
| Elephant Knowledge | 0 | - | 4.41 | 23,920 |
| Human Taxonomy | 0 | - | 4.68 | 18,885 |
| Types of Bears | 0 | - | 4.51 | 143,190 |
| Bear Knowledge | 0 | - | 4.54 | 35,018 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,047 |
| French Animal Words | 0 | - | 4.44 | 133,997 |
| Spanish Animal Words | 0 | - | 4.53 | 95,512 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,444 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,393 |
| Name that Bug | 0 | - | 4.12 | 45,492 |
| Pack Animals | 0 | - | 4.23 | 10,345 |
| Lion Trivia | 0 | - | 4.19 | 16,381 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,621 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,469 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,327 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,930 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,585 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 63,790 |
| Bird in the Answers | 0 | - | 4.10 | 33,395 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,131 |
| Horse Knowledge | 0 | - | 4.45 | 23,981 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,988 |
| Animals that Start with L | 0 | - | 4.47 | 101,654 |
| Animals that Start with P | 0 | - | 4.45 | 85,907 |
| Animals that Start with S | 0 | - | 4.49 | 87,096 |
| Words that are Animals | 0 | - | 3.88 | 41,433 |
| Extinct Animals | 0 | - | 4.19 | 27,446 |
| Primate Knowledge | 0 | - | 4.17 | 15,278 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,253 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,225 |
| Animals in the News | 0 | - | 4.37 | 26,746 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,414 |
| Animals: No Vowels #2 | 0 | - | 4.53 | 21,784 |
| Largest Types of Birds | 0 | - | 4.19 | 26,928 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,708 |
| Fish Knowledge | 0 | - | 4.38 | 25,555 |
| Megadiverse Countries | 0 | - | 4.96 | 134,497 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,789 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,380 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,149 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,315 |
| Animals that Start with A | 0 | - | 4.26 | 111,753 |
| Animals that Start with B | 0 | - | 4.31 | 113,458 |
| Animals that Start with C | 0 | - | 4.23 | 92,603 |
| Animals that Start with D | 0 | - | 4.25 | 86,717 |
| Animals that Start with E | 0 | - | 4.28 | 73,677 |
| Animals that Start with F | 0 | - | 4.28 | 106,819 |
| Animals that Start with G | 0 | - | 4.25 | 79,914 |
| Animals that Start with K | 0 | - | 4.07 | 66,393 |
| Animals that Start with M | 0 | - | 4.23 | 83,792 |
| Animals that Start with R | 0 | - | 4.27 | 87,179 |
| Animals that Start with T | 0 | - | 4.32 | 91,233 |
| Animals that Start with H | 0 | - | 4.31 | 86,092 |
| Animals that Start with O | 0 | - | 4.27 | 88,398 |
| Animals that Start with W | 0 | - | 4.36 | 47,005 |
| Mammals in the Answer | 0 | - | 4.35 | 29,932 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,569 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,552 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,801 |
| Animal Decoder | 0 | - | 4.06 | 15,484 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,217 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,657 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,470 |
| Countries with Fjords | 0 | - | 4.93 | 100,406 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,415 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,288 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,313 |
| World's Longest Rivers | 0 | - | 4.88 | 121,740 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 162,572 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,555 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,850 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,525 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,109 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,819 |
| Countries With No Rivers | 0 | - | 4.96 | 76,171 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,448 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,806 |
| North Sea Countries | 0 | - | 4.92 | 86,736 |
| Black Sea Countries | 0 | - | 4.87 | 60,399 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,116 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,201 |
| Seas on the World Map | 0 | - | 4.96 | 134,642 |
| Seas of the World | 0 | - | 5.00 | 155,231 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,013 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,935 |
| Animal Adjectives | 0 | - | 4.77 | 59,902 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,150 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,253 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,402 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,038 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,377 |
| Animals that Start with N | 0 | - | 3.73 | 31,538 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,374 |
| Geologic Time Scale | 0 | - | 4.46 | 9,961 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,387 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,755 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,969 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,090 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,730 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,014 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,794 |
| Animal Sounds | 0 | - | 4.26 | 191,362 |
| Animals of Australia | 0 | - | 4.52 | 42,211 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,311 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,284 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,997 |
| Animal Emojis | 0 | - | 4.73 | 83,658 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,270 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,113 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,902 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,005 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,323 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,022 |
| Birds in the Answer | 0 | - | 4.56 | 52,741 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,718 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,755 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,192 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,172 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,512 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,137 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,206 |
| Famous Rivers | 0 | - | 4.74 | 104,665 |
| City to River #1 | 0 | - | 4.59 | 35,775 |
| Most Populous River Basins | 0 | - | 4.55 | 39,591 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,188 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,060 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,859 |
| Flowers by Picture | 0 | - | 4.46 | 105,110 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,962 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,522 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,116 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,971 |
| Dog Knowledge | 0 | - | 4.46 | 34,245 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,992 |
| Gulfs and Bays on the World Map | 0 | - | 4.61 | 30,099 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,946 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,392 |
| Biggest City by River | 0 | - | 4.41 | 52,740 |
| Rivers by City | 0 | - | 4.38 | 31,666 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,874 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,956 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,773 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,434 |
| Plants by Picture | 0 | - | 4.24 | 14,381 |
| Trees in the Answer | 0 | - | 4.25 | 45,782 |
| Bear in the Answers | 0 | - | 4.29 | 61,700 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 183,200 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,159 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,116 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,503 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,671 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,427 |
| Animal Group Names | 0 | - | 4.06 | 23,139 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,716 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,633 |
| Most Popular Dog Breeds | 0 | - | 4.19 | 110,714 |
| Birds A-Z | 0 | - | 4.24 | 36,429 |
| Big Cats | 0 | - | 3.91 | 67,720 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,460 |
| Disney Animals | 0 | - | 4.27 | 239,080 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,962 |
| Sayings About Animals #4 | 0 | - | 4.21 | 41,982 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,274 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,470 |
| Famous Dogs | 0 | - | 4.02 | 27,898 |
| Fictional Birds by Picture | 0 | - | 4.29 | 25,967 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,750 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,393 |
| Horse Vocabulary | 0 | - | 4.22 | 22,694 |
| Rivers on Borders | 0 | - | 4.02 | 22,657 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,208 |
| Famous Cats | 0 | - | 4.08 | 17,997 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,613 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,158 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,003 |
| Brand-Name Animals | 0 | - | 4.16 | 74,365 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,749 |
| Dog in the Answers | 0 | - | 4.16 | 68,422 |
| Rivers A-Z | 0 | - | 4.35 | 32,732 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 27,912 |
| Famous Pets | 0 | - | 3.98 | 30,385 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,629 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,579 |
| National Animals | 0 | - | 4.24 | 89,247 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,970 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,595 |
| Countries with More Cows than People | 0 | - | 4.45 | 60,845 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,695 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,748 |
