| Animal Varieties #1 | 0 | - | 4.48 | 93,113 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,143 |
| Animal Varieties #3 | 0 | - | 4.52 | 55,560 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,824 |
| Deadly Animals | 0 | - | 4.02 | 110,747 |
| Famous Animals #1 | 0 | - | 4.03 | 239,927 |
| Famous Animals #2 | 0 | - | 4.02 | 57,576 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,401 |
| Animal Facts | 0 | - | 4.15 | 43,030 |
| Cat Knowledge | 0 | - | 4.48 | 25,865 |
| Cow Knowledge | 0 | - | 4.46 | 24,302 |
| Elephant Knowledge | 0 | - | 4.41 | 23,998 |
| Human Taxonomy | 0 | - | 4.70 | 18,968 |
| Types of Bears | 0 | - | 4.51 | 143,916 |
| Bear Knowledge | 0 | - | 4.54 | 35,149 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,330 |
| Pack Animals | 0 | - | 4.20 | 10,429 |
| Lion Trivia | 0 | - | 4.19 | 16,432 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,714 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,548 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,443 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,008 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,602 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,489 |
| Name that Bug | 0 | - | 4.12 | 45,622 |
| Bird in the Answers | 0 | - | 4.11 | 33,921 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,232 |
| Horse Knowledge | 0 | - | 4.46 | 24,115 |
| Snake Knowledge | 0 | - | 4.49 | 18,863 |
| French Animal Words | 0 | - | 4.44 | 134,914 |
| Spanish Animal Words | 0 | - | 4.53 | 95,928 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,798 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,325 |
| Words that are Animals | 0 | - | 3.85 | 41,500 |
| Extinct Animals | 0 | - | 4.16 | 27,562 |
| Primate Knowledge | 0 | - | 4.17 | 15,336 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,368 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,298 |
| Animals in the News | 0 | - | 4.37 | 26,828 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,500 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,687 |
| Largest Types of Birds | 0 | - | 4.19 | 27,010 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,776 |
| Fish Knowledge | 0 | - | 4.38 | 25,728 |
| Animals that Start with L | 0 | - | 4.47 | 102,382 |
| Animals that Start with P | 0 | - | 4.45 | 86,429 |
| Animals that Start with S | 0 | - | 4.49 | 87,633 |
| Megadiverse Countries | 0 | - | 4.96 | 135,210 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,992 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,463 |
| Mammals in the Answer | 0 | - | 4.35 | 29,991 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,355 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,885 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,505 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,699 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,907 |
| Animal Decoder | 0 | - | 4.06 | 15,583 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,310 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,862 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,705 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,800 |
| Animals that Start with A | 0 | - | 4.26 | 112,390 |
| Animals that Start with B | 0 | - | 4.31 | 114,095 |
| Animals that Start with C | 0 | - | 4.21 | 93,493 |
| Animals that Start with D | 0 | - | 4.25 | 87,231 |
| Animals that Start with E | 0 | - | 4.28 | 74,147 |
| Animals that Start with F | 0 | - | 4.28 | 107,406 |
| Animals that Start with G | 0 | - | 4.25 | 80,360 |
| Animals that Start with K | 0 | - | 4.07 | 66,717 |
| Animals that Start with M | 0 | - | 4.23 | 84,256 |
| Animals that Start with R | 0 | - | 4.28 | 87,634 |
| Animals that Start with T | 0 | - | 4.32 | 92,070 |
| Animals that Start with H | 0 | - | 4.31 | 86,543 |
| Animals that Start with O | 0 | - | 4.27 | 88,797 |
| Animals that Start with W | 0 | - | 4.36 | 47,343 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,014 |
| Countries with Fjords | 0 | - | 4.94 | 101,247 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,863 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,668 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,379 |
| Animals that Start with N | 0 | - | 3.73 | 31,819 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,854 |
| World's Longest Rivers | 0 | - | 4.90 | 137,479 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,171 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,921 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,604 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,227 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,790 |
| Countries With No Rivers | 0 | - | 4.96 | 77,078 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,910 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,145 |
| North Sea Countries | 0 | - | 4.92 | 87,651 |
| Black Sea Countries | 0 | - | 4.87 | 60,712 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,543 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,641 |
| Seas on the World Map | 0 | - | 4.96 | 135,865 |
| Seas of the World | 0 | - | 5.00 | 158,178 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,345 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,991 |
| Animal Adjectives | 0 | - | 4.77 | 60,172 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,931 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,961 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,444 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,354 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,606 |
| Geologic Time Scale | 0 | - | 4.41 | 10,059 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,949 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,127 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,883 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,743 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,942 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,262 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,354 |
| Animal Sounds | 0 | - | 4.26 | 191,973 |
| Animals of Australia | 0 | - | 4.52 | 42,460 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,574 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,469 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,421 |
| Animal Emojis | 0 | - | 4.74 | 85,142 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,010 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,799 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,457 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,299 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,987 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,501 |
| Birds in the Answer | 0 | - | 4.56 | 52,918 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,982 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,846 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,033 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,302 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,282 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,709 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,876 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,613 |
| Famous Rivers | 0 | - | 4.75 | 105,199 |
| City to River #1 | 0 | - | 4.59 | 35,893 |
| Most Populous River Basins | 0 | - | 4.55 | 39,802 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,449 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,071 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,228 |
| Flowers by Picture | 0 | - | 4.46 | 105,833 |
| Plants by Picture | 0 | - | 4.24 | 14,517 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,150 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,710 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,654 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,434 |
| Dog Knowledge | 0 | - | 4.46 | 34,528 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,380 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,067 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,706 |
| Rivers by City | 0 | - | 4.38 | 31,766 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,194 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,076 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,942 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,287 |
| Trees in the Answer | 0 | - | 4.25 | 45,918 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,030 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,617 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,757 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,591 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,888 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,712 |
| Animal Group Names | 0 | - | 4.07 | 23,263 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,801 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,804 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 113,944 |
| Birds A-Z | 0 | - | 4.24 | 36,603 |
| Bear in the Answers | 0 | - | 4.29 | 62,232 |
| Biggest City by River | 0 | - | 4.38 | 52,944 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,066 |
| Disney Animals | 0 | - | 4.27 | 240,571 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,026 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,215 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,337 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,727 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,207 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,849 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,429 |
| Horse Vocabulary | 0 | - | 4.23 | 22,788 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,307 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,869 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,349 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,107 |
| Brand-Name Animals | 0 | - | 4.16 | 74,644 |
| Dog in the Answers | 0 | - | 4.16 | 68,829 |
| Famous Dogs | 0 | - | 4.02 | 28,030 |
| Big Cats | 0 | - | 3.91 | 67,879 |
| Famous Cats | 0 | - | 4.08 | 18,089 |
| Rivers on Borders | 0 | - | 4.02 | 22,731 |
| Rivers A-Z | 0 | - | 4.35 | 32,845 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,040 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,580 |
| Famous Pets | 0 | - | 3.98 | 30,484 |
| National Animals | 0 | - | 4.24 | 90,187 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,182 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,468 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,603 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,579 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,131 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,853 |
