| Animal Anatomy Quiz | 0 | - | 4.39 | 59,701 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,243 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,775 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,415 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,372 |
| Name that Bug | 0 | - | 4.12 | 45,465 |
| Animal Adjectives | 0 | - | 4.77 | 59,862 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,537 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,046 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,314 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,972 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,225 |
| Bird in the Answers | 0 | - | 4.10 | 33,325 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,118 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,889 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,947 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,164 |
| Birds in the Answer | 0 | - | 4.56 | 52,712 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,656 |
| Animals that Start with L | 0 | - | 4.47 | 101,562 |
| Animals that Start with P | 0 | - | 4.45 | 85,793 |
| Animals that Start with S | 0 | - | 4.49 | 86,981 |
| Biggest Animals by Category | 0 | - | 4.18 | 72,974 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,691 |
| Animal Sounds | 0 | - | 4.26 | 191,258 |
| Words that are Animals | 0 | - | 3.88 | 41,423 |
| Extinct Animals | 0 | - | 4.18 | 27,424 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,279 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,239 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,242 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,217 |
| Animals in the News | 0 | - | 4.37 | 26,729 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,000 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,821 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,942 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,929 |
| Largest Types of Birds | 0 | - | 4.19 | 26,909 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,695 |
| Metals of Antiquity | 0 | - | 4.94 | 92,996 |
| Megadiverse Countries | 0 | - | 4.97 | 133,994 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,362 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,094 |
| Animals that Start with A | 0 | - | 4.26 | 111,643 |
| Animals that Start with B | 0 | - | 4.31 | 113,338 |
| Animals that Start with C | 0 | - | 4.23 | 92,493 |
| Animals that Start with D | 0 | - | 4.25 | 86,622 |
| Animals that Start with E | 0 | - | 4.28 | 73,595 |
| Animals that Start with F | 0 | - | 4.28 | 106,717 |
| Animals that Start with G | 0 | - | 4.25 | 79,847 |
| Animals that Start with K | 0 | - | 4.07 | 66,331 |
| Animals that Start with M | 0 | - | 4.23 | 83,706 |
| Animals that Start with R | 0 | - | 4.27 | 87,095 |
| Animals that Start with T | 0 | - | 4.32 | 90,850 |
| Animals that Start with H | 0 | - | 4.31 | 86,017 |
| Animals that Start with O | 0 | - | 4.27 | 88,334 |
| Animals that Start with W | 0 | - | 4.36 | 46,946 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,489 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,481 |
| Mammals in the Answer | 0 | - | 4.35 | 29,926 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,446 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,539 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,782 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,988 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,766 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,423 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,142 |
| Animal Decoder | 0 | - | 4.06 | 15,474 |
| Animal Group Names | 0 | - | 4.06 | 23,119 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,205 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,703 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,519 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,616 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,563 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,423 |
| Countries with Fjords | 0 | - | 4.93 | 100,288 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,304 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,543 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,431 |
| Fictional Birds by Picture | 0 | - | 4.29 | 25,914 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,731 |
| Birds A-Z | 0 | - | 4.24 | 36,387 |
| Horse Vocabulary | 0 | - | 4.22 | 22,680 |
| Bear in the Answers | 0 | - | 4.29 | 61,650 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,303 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,721 |
| Countries with Glaciers | 0 | - | 4.97 | 104,737 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,454 |
| Types of Bears | 0 | - | 4.51 | 143,143 |
| Deadly Animals | 0 | - | 4.03 | 109,946 |
| Famous Animals #1 | 0 | - | 4.03 | 238,895 |
| Famous Animals #2 | 0 | - | 4.02 | 57,344 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,163 |
| Animal Facts | 0 | - | 4.15 | 42,919 |
| Cat Knowledge | 0 | - | 4.49 | 25,732 |
| Bear Knowledge | 0 | - | 4.54 | 35,001 |
| Cow Knowledge | 0 | - | 4.46 | 24,182 |
| Elephant Knowledge | 0 | - | 4.41 | 23,910 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,010 |
| Human Taxonomy | 0 | - | 4.68 | 18,867 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,950 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,263 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,199 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,840 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,517 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,634 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,525 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,702 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,347 |
| Countries With No Rivers | 0 | - | 4.96 | 76,094 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,780 |
| North Sea Countries | 0 | - | 4.92 | 86,665 |
| Black Sea Countries | 0 | - | 4.87 | 60,370 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,063 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,152 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,985 |
| French Animal Words | 0 | - | 4.44 | 133,855 |
| Spanish Animal Words | 0 | - | 4.53 | 95,433 |
| Pack Animals | 0 | - | 4.23 | 10,338 |
| Lion Trivia | 0 | - | 4.19 | 16,374 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,680 |
| Animal Populations of Countries | 0 | - | 4.51 | 43,658 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,611 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,459 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,309 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,924 |
| Animals that Start with N | 0 | - | 3.73 | 31,477 |
| Horse Knowledge | 0 | - | 4.45 | 23,959 |
| Snake Knowledge | 0 | - | 4.49 | 18,745 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,811 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,184 |
| Elements by Picture | 0 | - | 4.28 | 69,624 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,344 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 44,959 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,354 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,304 |
| African Great Lakes | 0 | - | 4.82 | 65,341 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,848 |
| Animals of Australia | 0 | - | 4.52 | 42,184 |
| Countries with More Cows than People | 0 | - | 4.44 | 58,534 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,041 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,217 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,514 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,261 |
| Elements Named for Countries | 0 | - | 4.52 | 24,454 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,324 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,298 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 118,628 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,489 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,156 |
| Least-Forested Countries | 0 | - | 4.53 | 64,946 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,782 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,084 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,742 |
| Asian Physical Geography | 0 | - | 4.61 | 35,392 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,937 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,800 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,113 |
| Flowers by Picture | 0 | - | 4.46 | 105,058 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,922 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,486 |
| Primate Knowledge | 0 | - | 4.17 | 15,274 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,026 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,911 |
| Dog Knowledge | 0 | - | 4.46 | 34,210 |
| Fish Knowledge | 0 | - | 4.38 | 25,513 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,741 |
| The Diseases They Had | 0 | - | 4.15 | 13,917 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,118 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,705 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,469 |
| Geological Extremes | 0 | - | 4.34 | 39,958 |
| Landforms by Country | 0 | - | 4.52 | 51,924 |
| African Physical Geography | 0 | - | 4.51 | 31,588 |
| European Physical Geography | 0 | - | 4.26 | 33,387 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,932 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,346 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,493 |
| Biggest City by River | 0 | - | 4.41 | 52,712 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,854 |
| Rivers of the United States | 0 | - | 4.93 | 65,619 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,899 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,473 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,303 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 183,122 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,091 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,060 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,645 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,382 |
| Most Popular Dog Breeds | 0 | - | 4.19 | 110,656 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,630 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,706 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,657 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,479 |
| Capitals by River | 0 | - | 4.55 | 48,245 |
| Big Cats | 0 | - | 3.91 | 67,695 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,400 |
| Disney Animals | 0 | - | 4.27 | 238,834 |
| Sayings About Animals #4 | 0 | - | 4.21 | 41,953 |
| Famous Dogs | 0 | - | 4.02 | 27,883 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,813 |
