| Animal Anatomy Quiz | 0 | - | 4.39 | 59,985 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,834 |
| Baby, Male and Female Animals | 0 | - | 4.41 | 151,296 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,659 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,514 |
| Name that Bug | 0 | - | 4.12 | 45,663 |
| Animal Adjectives | 0 | - | 4.77 | 60,251 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,862 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,611 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,087 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,571 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,622 |
| Bird in the Answers | 0 | - | 4.11 | 34,046 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,263 |
| Animal Emojis | 0 | - | 4.74 | 85,520 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,162 |
| Birds in the Answer | 0 | - | 4.56 | 52,963 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,045 |
| Animals that Start with L | 0 | - | 4.47 | 102,587 |
| Animals that Start with P | 0 | - | 4.45 | 86,588 |
| Animals that Start with S | 0 | - | 4.49 | 87,789 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,330 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,578 |
| Animal Sounds | 0 | - | 4.27 | 192,421 |
| Words that are Animals | 0 | - | 3.85 | 41,522 |
| Extinct Animals | 0 | - | 4.13 | 27,600 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,667 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,522 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,408 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,331 |
| Animals in the News | 0 | - | 4.37 | 26,848 |
| Animals A-Z by Picture | 0 | - | 4.08 | 67,011 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,591 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,395 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,653 |
| Largest Types of Birds | 0 | - | 4.19 | 27,043 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,791 |
| Metals of Antiquity | 0 | - | 4.95 | 94,061 |
| Megadiverse Countries | 0 | - | 4.96 | 149,788 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,485 |
| Animals A-Z #1 | 0 | - | 4.40 | 94,005 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,571 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,528 |
| Animals that Start with A | 0 | - | 4.26 | 112,609 |
| Animals that Start with B | 0 | - | 4.31 | 114,554 |
| Animals that Start with C | 0 | - | 4.21 | 93,676 |
| Animals that Start with D | 0 | - | 4.25 | 87,412 |
| Animals that Start with E | 0 | - | 4.28 | 74,297 |
| Animals that Start with F | 0 | - | 4.28 | 107,578 |
| Animals that Start with G | 0 | - | 4.25 | 80,507 |
| Animals that Start with K | 0 | - | 4.07 | 66,835 |
| Animals that Start with M | 0 | - | 4.23 | 84,381 |
| Animals that Start with R | 0 | - | 4.28 | 87,766 |
| Animals that Start with T | 0 | - | 4.32 | 92,211 |
| Animals that Start with H | 0 | - | 4.31 | 86,688 |
| Animals that Start with O | 0 | - | 4.27 | 88,914 |
| Animals that Start with W | 0 | - | 4.36 | 47,448 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,631 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,454 |
| Mammals in the Answer | 0 | - | 4.35 | 30,008 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,588 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,744 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,936 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,190 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,811 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,934 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,725 |
| Animal Decoder | 0 | - | 4.06 | 15,620 |
| Animal Group Names | 0 | - | 4.07 | 23,308 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,333 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,834 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,850 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,842 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 110,062 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,276 |
| Countries with Fjords | 0 | - | 4.94 | 101,658 |
| Bear in the Answers | 0 | - | 4.29 | 62,337 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,407 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,804 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,788 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,264 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,881 |
| Birds A-Z | 0 | - | 4.24 | 36,665 |
| Animals that Start with N | 0 | - | 3.73 | 31,920 |
| Horse Vocabulary | 0 | - | 4.23 | 22,816 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 65,075 |
| Countries with the Most Forest | 0 | - | 4.88 | 148,334 |
| Countries with Glaciers | 0 | - | 4.97 | 105,924 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,991 |
| Types of Bears | 0 | - | 4.50 | 144,016 |
| Deadly Animals | 0 | - | 4.02 | 110,873 |
| Famous Animals #1 | 0 | - | 4.03 | 240,082 |
| 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 |
| Bear Knowledge | 0 | - | 4.54 | 35,192 |
| Cow Knowledge | 0 | - | 4.46 | 24,328 |
| Elephant Knowledge | 0 | - | 4.41 | 24,032 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,426 |
| Human Taxonomy | 0 | - | 4.70 | 19,006 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,954 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,047 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,365 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,786 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,945 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,629 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,302 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,282 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,918 |
| Countries With No Rivers | 0 | - | 4.96 | 77,289 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,236 |
| North Sea Countries | 0 | - | 4.92 | 87,821 |
| Black Sea Countries | 0 | - | 4.87 | 60,821 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,682 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,778 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,443 |
| French Animal Words | 0 | - | 4.44 | 135,151 |
| Spanish Animal Words | 0 | - | 4.53 | 96,030 |
| Pack Animals | 0 | - | 4.20 | 10,448 |
| Lion Trivia | 0 | - | 4.19 | 16,454 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,251 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,133 |
| 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 |
| Horse Knowledge | 0 | - | 4.46 | 24,157 |
| Snake Knowledge | 0 | - | 4.49 | 18,895 |
| Top 15 Countries with the Most Cows | 0 | - | 4.72 | 107,556 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,563 |
| Elements by Picture | 0 | - | 4.27 | 70,422 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,561 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,649 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,709 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,108 |
| African Great Lakes | 0 | - | 4.82 | 67,190 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,153 |
| Animals of Australia | 0 | - | 4.53 | 42,539 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,776 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,656 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,173 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,691 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,363 |
| Elements Named for Countries | 0 | - | 4.52 | 25,057 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,487 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,528 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 120,156 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,769 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,967 |
| Least-Forested Countries | 0 | - | 4.53 | 65,485 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,420 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,205 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,866 |
| African Physical Geography | 0 | - | 4.51 | 31,848 |
| Asian Physical Geography | 0 | - | 4.61 | 35,649 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,092 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,339 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,680 |
| Flowers by Picture | 0 | - | 4.46 | 105,903 |
| Animal Idioms Quiz #1 | 0 | - | 4.30 | 43,229 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,791 |
| Primate Knowledge | 0 | - | 4.17 | 15,356 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,820 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,560 |
| Dog Knowledge | 0 | - | 4.46 | 34,699 |
| Fish Knowledge | 0 | - | 4.38 | 25,781 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,348 |
| The Diseases They Had | 0 | - | 4.15 | 14,084 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,213 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 37,986 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,830 |
| Geological Extremes | 0 | - | 4.34 | 40,130 |
| Landforms by Country | 0 | - | 4.52 | 52,033 |
| European Physical Geography | 0 | - | 4.26 | 33,623 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,242 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,797 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 61,020 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,478 |
| Rivers of the United States | 0 | - | 4.93 | 66,838 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,648 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,510 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,504 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,174 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,749 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,852 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,931 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,797 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 120,177 |
| The Shark Quiz!! | 0 | - | 4.26 | 24,835 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,975 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,784 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,999 |
| Biggest City by River | 0 | - | 4.38 | 52,993 |
| Capitals by River | 0 | - | 4.55 | 48,411 |
| Big Cats | 0 | - | 3.91 | 67,967 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,359 |
| Disney Animals | 0 | - | 4.27 | 241,300 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,327 |
| Famous Dogs | 0 | - | 4.02 | 28,128 |
