| Animal Anatomy Quiz | 0 | - | 4.38 | 59,634 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,187 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,578 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,375 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,346 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Animal Adjectives | 0 | - | 4.77 | 59,817 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,501 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,529 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,205 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,896 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,069 |
| Bird in the Answers | 0 | - | 4.10 | 33,248 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,094 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,780 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,882 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,050 |
| Birds in the Answer | 0 | - | 4.56 | 52,690 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,605 |
| Animals that Start with L | 0 | - | 4.47 | 101,215 |
| Animals that Start with P | 0 | - | 4.45 | 85,609 |
| Animals that Start with S | 0 | - | 4.49 | 86,773 |
| Biggest Animals by Category | 0 | - | 4.18 | 72,927 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,592 |
| Animal Sounds | 0 | - | 4.26 | 191,130 |
| Words that are Animals | 0 | - | 3.88 | 41,405 |
| Extinct Animals | 0 | - | 4.18 | 27,399 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,239 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,197 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,222 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,208 |
| Animals in the News | 0 | - | 4.37 | 26,710 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,859 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,748 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,884 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,833 |
| Largest Types of Birds | 0 | - | 4.19 | 26,888 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,678 |
| Metals of Antiquity | 0 | - | 4.94 | 92,849 |
| Megadiverse Countries | 0 | - | 4.97 | 133,856 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,333 |
| Animals A-Z #2 | 0 | - | 4.11 | 66,028 |
| Animals that Start with A | 0 | - | 4.26 | 111,195 |
| Animals that Start with B | 0 | - | 4.31 | 112,683 |
| Animals that Start with C | 0 | - | 4.23 | 92,179 |
| Animals that Start with D | 0 | - | 4.25 | 86,107 |
| Animals that Start with E | 0 | - | 4.28 | 73,357 |
| Animals that Start with F | 0 | - | 4.28 | 106,484 |
| Animals that Start with G | 0 | - | 4.25 | 79,645 |
| Animals that Start with K | 0 | - | 4.06 | 66,162 |
| Animals that Start with M | 0 | - | 4.24 | 83,531 |
| Animals that Start with R | 0 | - | 4.27 | 86,600 |
| Animals that Start with T | 0 | - | 4.32 | 90,613 |
| Animals that Start with H | 0 | - | 4.31 | 85,849 |
| Animals that Start with O | 0 | - | 4.27 | 88,190 |
| Animals that Start with W | 0 | - | 4.35 | 46,814 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,463 |
| Animal Varieties Quiz #1 | 0 | - | 4.48 | 92,375 |
| Mammals in the Answer | 0 | - | 4.35 | 29,917 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,295 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,513 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,757 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,957 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,570 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,283 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,070 |
| Animal Decoder | 0 | - | 4.06 | 15,457 |
| Animal Group Names | 0 | - | 4.06 | 23,098 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,191 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 86,389 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,584 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,528 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,352 |
| Countries with Fjords | 0 | - | 4.93 | 100,176 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,289 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,362 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,388 |
| Fictional Birds by Picture | 0 | - | 4.29 | 25,863 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,712 |
| Birds A-Z | 0 | - | 4.24 | 36,333 |
| Horse Vocabulary | 0 | - | 4.22 | 22,667 |
| Bear in the Answers | 0 | - | 4.29 | 61,590 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,217 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,591 |
| Countries with Glaciers | 0 | - | 4.97 | 104,622 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,393 |
| Types of Bears | 0 | - | 4.51 | 143,071 |
| Deadly Animals | 0 | - | 4.03 | 109,866 |
| Famous Animals #1 | 0 | - | 4.03 | 238,783 |
| Famous Animals #2 | 0 | - | 4.02 | 57,316 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,141 |
| Animal Facts | 0 | - | 4.15 | 42,902 |
| Cat Knowledge | 0 | - | 4.49 | 25,715 |
| Bear Knowledge | 0 | - | 4.54 | 34,977 |
| Cow Knowledge | 0 | - | 4.46 | 24,161 |
| Elephant Knowledge | 0 | - | 4.41 | 23,897 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 55,964 |
| Human Taxonomy | 0 | - | 4.68 | 18,833 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,940 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,252 |
| Countries with the Most Wolves | 0 | - | 4.92 | 106,992 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,827 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,504 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,445 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,467 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,607 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,274 |
| Countries With No Rivers | 0 | - | 4.96 | 76,007 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,732 |
| North Sea Countries | 0 | - | 4.92 | 86,584 |
| Black Sea Countries | 0 | - | 4.87 | 60,323 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,004 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,091 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,940 |
| French Animal Words | 0 | - | 4.44 | 133,618 |
| Spanish Animal Words | 0 | - | 4.53 | 95,348 |
| Pack Animals | 0 | - | 4.23 | 10,330 |
| Lion Trivia | 0 | - | 4.19 | 16,364 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,603 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,589 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,593 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,439 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,298 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,907 |
| Animals that Start with N | 0 | - | 3.73 | 31,344 |
| Horse Knowledge | 0 | - | 4.45 | 23,934 |
| Snake Knowledge | 0 | - | 4.49 | 18,722 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,764 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,150 |
| Elements by Picture | 0 | - | 4.28 | 69,516 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,301 |
| Countries with the Most Malaria Deaths | 0 | - | 4.47 | 44,836 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,329 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,203 |
| African Great Lakes | 0 | - | 4.82 | 65,082 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,661 |
| Animals of Australia | 0 | - | 4.52 | 42,140 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,605 |
| Countries with Wild Lions | 0 | - | 4.77 | 25,957 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,072 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,503 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,251 |
| Elements Named for Countries | 0 | - | 4.52 | 24,365 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,307 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,133 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,204 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,451 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,064 |
| Least-Forested Countries | 0 | - | 4.53 | 64,878 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,687 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,061 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,730 |
| Asian Physical Geography | 0 | - | 4.61 | 35,366 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,769 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,737 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,058 |
| Flowers by Picture | 0 | - | 4.46 | 104,996 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,891 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,457 |
| Primate Knowledge | 0 | - | 4.17 | 15,263 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,919 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,816 |
| Dog Knowledge | 0 | - | 4.46 | 34,162 |
| Fish Knowledge | 0 | - | 4.38 | 25,483 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,652 |
| The Diseases They Had | 0 | - | 4.15 | 13,881 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,097 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.61 | 37,665 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,423 |
| Geological Extremes | 0 | - | 4.34 | 39,926 |
| Landforms by Country | 0 | - | 4.52 | 51,911 |
| African Physical Geography | 0 | - | 4.51 | 31,563 |
| European Physical Geography | 0 | - | 4.26 | 33,369 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,884 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,302 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,439 |
| Biggest City by River | 0 | - | 4.41 | 52,689 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,786 |
| Rivers of the United States | 0 | - | 4.93 | 65,465 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,700 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,092 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,160 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 183,015 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 128,997 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 107,986 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,620 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,251 |
| Most Popular Dog Breeds | 0 | - | 4.19 | 110,538 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,598 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,666 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,628 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,401 |
| Capitals by River | 0 | - | 4.55 | 48,225 |
| Big Cats | 0 | - | 3.91 | 67,668 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,347 |
| Disney Animals | 0 | - | 4.27 | 238,541 |
| Sayings About Animals #4 | 0 | - | 4.21 | 41,922 |
| Famous Dogs | 0 | - | 4.02 | 27,871 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,765 |
