| Animal Anatomy Quiz | 0 | - | 4.39 | 59,820 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,494 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,452 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,520 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,446 |
| Name that Bug | 0 | - | 4.12 | 45,561 |
| Animal Adjectives | 0 | - | 4.77 | 60,011 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,688 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,862 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,645 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,229 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,821 |
| Bird in the Answers | 0 | - | 4.11 | 33,683 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,184 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,612 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,179 |
| Animal Emojis | 0 | - | 4.73 | 84,558 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,546 |
| Birds in the Answer | 0 | - | 4.56 | 52,840 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,874 |
| Animals that Start with L | 0 | - | 4.47 | 101,903 |
| Animals that Start with P | 0 | - | 4.45 | 86,129 |
| Animals that Start with S | 0 | - | 4.49 | 87,348 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,139 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,051 |
| Animal Sounds | 0 | - | 4.26 | 191,690 |
| Words that are Animals | 0 | - | 3.88 | 41,464 |
| Extinct Animals | 0 | - | 4.16 | 27,507 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,439 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,378 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,299 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,259 |
| Animals in the News | 0 | - | 4.37 | 26,793 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,456 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,127 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,131 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,246 |
| Largest Types of Birds | 0 | - | 4.19 | 26,971 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,737 |
| Metals of Antiquity | 0 | - | 4.95 | 93,431 |
| Megadiverse Countries | 0 | - | 4.96 | 134,869 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,418 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,373 |
| Animals that Start with A | 0 | - | 4.26 | 112,086 |
| Animals that Start with B | 0 | - | 4.31 | 113,774 |
| Animals that Start with C | 0 | - | 4.21 | 93,224 |
| Animals that Start with D | 0 | - | 4.25 | 86,962 |
| Animals that Start with E | 0 | - | 4.28 | 73,917 |
| Animals that Start with F | 0 | - | 4.28 | 107,115 |
| Animals that Start with G | 0 | - | 4.25 | 80,133 |
| Animals that Start with K | 0 | - | 4.07 | 66,550 |
| Animals that Start with M | 0 | - | 4.23 | 84,007 |
| Animals that Start with R | 0 | - | 4.27 | 87,392 |
| Animals that Start with T | 0 | - | 4.32 | 91,465 |
| Animals that Start with H | 0 | - | 4.31 | 86,329 |
| Animals that Start with O | 0 | - | 4.27 | 88,584 |
| Animals that Start with W | 0 | - | 4.36 | 47,162 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,547 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,901 |
| Mammals in the Answer | 0 | - | 4.35 | 29,959 |
| Three Letter Animals Quiz | 0 | - | 3.96 | 300,947 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,648 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,863 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,087 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,799 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,161 |
| Animal Varieties #3 | 0 | - | 4.54 | 55,399 |
| Animal Decoder | 0 | - | 4.06 | 15,531 |
| Animal Group Names | 0 | - | 4.06 | 23,192 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,269 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,754 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,185 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,709 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,712 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,820 |
| Countries with Fjords | 0 | - | 4.94 | 100,888 |
| Bear in the Answers | 0 | - | 4.29 | 61,981 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,343 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,254 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,566 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,108 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,802 |
| Birds A-Z | 0 | - | 4.24 | 36,529 |
| Animals that Start with N | 0 | - | 3.73 | 31,672 |
| Horse Vocabulary | 0 | - | 4.23 | 22,739 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,648 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,546 |
| Countries with Glaciers | 0 | - | 4.97 | 105,414 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,679 |
| Types of Bears | 0 | - | 4.51 | 143,747 |
| Deadly Animals | 0 | - | 4.03 | 110,590 |
| Famous Animals #1 | 0 | - | 4.03 | 239,666 |
| Famous Animals #2 | 0 | - | 4.02 | 57,506 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,314 |
| Animal Facts | 0 | - | 4.15 | 42,981 |
| Cat Knowledge | 0 | - | 4.48 | 25,802 |
| Bear Knowledge | 0 | - | 4.54 | 35,082 |
| Cow Knowledge | 0 | - | 4.46 | 24,259 |
| Elephant Knowledge | 0 | - | 4.41 | 23,959 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,184 |
| Human Taxonomy | 0 | - | 4.68 | 18,914 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,759 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,983 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,302 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,067 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,886 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,560 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,494 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,934 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,662 |
| Countries With No Rivers | 0 | - | 4.96 | 76,801 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,012 |
| North Sea Countries | 0 | - | 4.92 | 87,383 |
| Black Sea Countries | 0 | - | 4.87 | 60,596 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,374 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,473 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,224 |
| French Animal Words | 0 | - | 4.44 | 134,440 |
| Spanish Animal Words | 0 | - | 4.53 | 95,728 |
| Pack Animals | 0 | - | 4.18 | 10,382 |
| Lion Trivia | 0 | - | 4.19 | 16,409 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,969 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,873 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,663 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,505 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,383 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,967 |
| Horse Knowledge | 0 | - | 4.46 | 24,051 |
| Snake Knowledge | 0 | - | 4.49 | 18,812 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 106,841 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,323 |
| Elements by Picture | 0 | - | 4.27 | 69,949 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,447 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,286 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,513 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,697 |
| African Great Lakes | 0 | - | 4.82 | 66,241 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,500 |
| Animals of Australia | 0 | - | 4.52 | 42,319 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,313 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,315 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,643 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,582 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,309 |
| Elements Named for Countries | 0 | - | 4.53 | 24,699 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,388 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,836 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,267 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,627 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,525 |
| Least-Forested Countries | 0 | - | 4.53 | 65,203 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,077 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,146 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,799 |
| African Physical Geography | 0 | - | 4.51 | 31,700 |
| Asian Physical Geography | 0 | - | 4.61 | 35,521 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,437 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,078 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,404 |
| Flowers by Picture | 0 | - | 4.46 | 105,649 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 43,059 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,609 |
| Primate Knowledge | 0 | - | 4.17 | 15,309 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,384 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,201 |
| Dog Knowledge | 0 | - | 4.46 | 34,374 |
| Fish Knowledge | 0 | - | 4.38 | 25,647 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,026 |
| The Diseases They Had | 0 | - | 4.15 | 14,007 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,153 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,813 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,645 |
| Geological Extremes | 0 | - | 4.34 | 40,023 |
| Landforms by Country | 0 | - | 4.52 | 51,970 |
| European Physical Geography | 0 | - | 4.26 | 33,509 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,072 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,546 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,752 |
| Biggest City by River | 0 | - | 4.41 | 52,855 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,174 |
| Rivers of the United States | 0 | - | 4.93 | 66,194 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,715 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,036 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,864 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,675 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,374 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,339 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,812 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,581 |
| Most Popular Dog Breeds | 0 | - | 4.20 | 110,994 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,728 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,826 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,712 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,713 |
| Capitals by River | 0 | - | 4.55 | 48,312 |
| Big Cats | 0 | - | 3.91 | 67,796 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,906 |
| Disney Animals | 0 | - | 4.27 | 239,841 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,112 |
| Famous Dogs | 0 | - | 4.02 | 27,953 |
