| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,550 |
| Bird in the Answers | 0 | - | 4.11 | 34,032 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,257 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,057 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,143 |
| Birds in the Answer | 0 | - | 4.56 | 52,951 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,039 |
| Largest Types of Birds | 0 | - | 4.19 | 27,039 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,788 |
| Animals in World History | 0 | - | 4.74 | 44,721 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,822 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,256 |
| Animal Adjectives | 0 | - | 4.77 | 60,244 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,850 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,449 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,561 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,070 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,553 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,575 |
| Birds A-Z | 0 | - | 4.24 | 36,659 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,653 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,513 |
| Name that Bug | 0 | - | 4.12 | 45,660 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,778 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,254 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,876 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,437 |
| Animal Emojis | 0 | - | 4.74 | 85,467 |
| Animals that Start with L | 0 | - | 4.47 | 102,557 |
| Animals that Start with P | 0 | - | 4.45 | 86,565 |
| Animals that Start with S | 0 | - | 4.49 | 87,770 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,982 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,319 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,557 |
| Animal Sounds | 0 | - | 4.27 | 192,318 |
| Words that are Animals | 0 | - | 3.85 | 41,522 |
| Extinct Animals | 0 | - | 4.13 | 27,595 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,659 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,511 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,403 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,326 |
| Animals in the News | 0 | - | 4.37 | 26,846 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,888 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,981 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,572 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,390 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,640 |
| Megadiverse Countries | 0 | - | 4.96 | 149,358 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,483 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,981 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,561 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,515 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,968 |
| Animals that Start with A | 0 | - | 4.26 | 112,583 |
| Animals that Start with B | 0 | - | 4.31 | 114,531 |
| Animals that Start with C | 0 | - | 4.21 | 93,652 |
| Animals that Start with D | 0 | - | 4.25 | 87,386 |
| Animals that Start with E | 0 | - | 4.28 | 74,274 |
| Animals that Start with F | 0 | - | 4.28 | 107,557 |
| Animals that Start with G | 0 | - | 4.25 | 80,489 |
| Animals that Start with K | 0 | - | 4.07 | 66,819 |
| Animals that Start with M | 0 | - | 4.23 | 84,359 |
| Animals that Start with R | 0 | - | 4.28 | 87,741 |
| Animals that Start with T | 0 | - | 4.32 | 92,194 |
| Animals that Start with H | 0 | - | 4.31 | 86,665 |
| Animals that Start with O | 0 | - | 4.27 | 88,893 |
| Animals that Start with W | 0 | - | 4.36 | 47,433 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,627 |
| Mammals in the Answer | 0 | - | 4.35 | 30,007 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,556 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,743 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,934 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,789 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,901 |
| Animal Decoder | 0 | - | 4.06 | 15,617 |
| Animal Group Names | 0 | - | 4.07 | 23,305 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,330 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,829 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,831 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,838 |
| Bear in the Answers | 0 | - | 4.29 | 62,325 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,255 |
| Countries with Fjords | 0 | - | 4.94 | 101,611 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,442 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,404 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,180 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,710 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,786 |
| Animal Stereotypes | 0 | - | 4.48 | 37,571 |
| Animals that Start with N | 0 | - | 3.73 | 31,904 |
| Horse Vocabulary | 0 | - | 4.23 | 22,813 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,978 |
| Types of Bears | 0 | - | 4.50 | 144,000 |
| Deadly Animals | 0 | - | 4.02 | 110,865 |
| Famous Animals #1 | 0 | - | 4.03 | 240,062 |
| Famous Animals #2 | 0 | - | 4.02 | 57,615 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,442 |
| Animal Facts | 0 | - | 4.15 | 43,061 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,042 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,360 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,764 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,942 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,627 |
| Cat Knowledge | 0 | - | 4.49 | 25,888 |
| Bear Knowledge | 0 | - | 4.54 | 35,189 |
| Cow Knowledge | 0 | - | 4.46 | 24,324 |
| Elephant Knowledge | 0 | - | 4.41 | 24,026 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,412 |
| Human Taxonomy | 0 | - | 4.70 | 19,000 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,283 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,948 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,906 |
| Countries With No Rivers | 0 | - | 4.96 | 77,261 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,156 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,228 |
| North Sea Countries | 0 | - | 4.92 | 87,792 |
| Black Sea Countries | 0 | - | 4.87 | 60,807 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,665 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,758 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,437 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,427 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,546 |
| French Animal Words | 0 | - | 4.44 | 135,115 |
| Spanish Animal Words | 0 | - | 4.53 | 96,016 |
| Countries with the Most Wild Elephants | 0 | - | 4.64 | 55,232 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,120 |
| Horse Knowledge | 0 | - | 4.46 | 24,152 |
| Snake Knowledge | 0 | - | 4.49 | 18,891 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,703 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,082 |
| African Great Lakes | 0 | - | 4.82 | 67,134 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,831 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,059 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 51,023 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,320 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,670 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,113 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,905 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,360 |
| Animals of Australia | 0 | - | 4.53 | 42,529 |
| Pack Animals | 0 | - | 4.20 | 10,447 |
| Lion Trivia | 0 | - | 4.19 | 16,451 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,754 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,741 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,585 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,466 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,021 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,627 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,144 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,688 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,860 |
| African Physical Geography | 0 | - | 4.51 | 31,838 |
| Asian Physical Geography | 0 | - | 4.61 | 35,643 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 61,006 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,459 |
| Rivers of the United States | 0 | - | 4.93 | 66,793 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,609 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,476 |
| Flowers by Picture | 0 | - | 4.46 | 105,892 |
| Animal Idioms Quiz #1 | 0 | - | 4.30 | 43,224 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,785 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,788 |
| Primate Knowledge | 0 | - | 4.17 | 15,354 |
| Animals by Alternate Etymology | 0 | - | 3.49 | 9,652 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,527 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,793 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,544 |
| Dog Knowledge | 0 | - | 4.46 | 34,685 |
| Fish Knowledge | 0 | - | 4.38 | 25,772 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,829 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,329 |
| Geological Extremes | 0 | - | 4.34 | 40,126 |
| Landforms by Country | 0 | - | 4.52 | 52,031 |
| European Physical Geography | 0 | - | 4.26 | 33,617 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,234 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,773 |
| Capitals by River | 0 | - | 4.55 | 48,405 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,350 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,151 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,731 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,838 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,926 |
| Disney Animals | 0 | - | 4.27 | 241,247 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,318 |
| Brand-Name Animals | 0 | - | 4.16 | 74,741 |
| Dog in the Answers | 0 | - | 4.16 | 68,958 |
| Famous Dogs | 0 | - | 4.02 | 28,118 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 119,710 |
| Big Cats | 0 | - | 3.91 | 67,956 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,745 |
| South American Physical Geography | 0 | - | 4.58 | 18,414 |
| Biggest City by River | 0 | - | 4.38 | 52,985 |
| Rivers A-Z | 0 | - | 4.35 | 32,875 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,508 |
| Sea in the Answers | 0 | - | 4.08 | 49,209 |
| Seas of Europe | 0 | - | 4.37 | 84,964 |
| Countries by Coastline Per Capita | 0 | - | 4.59 | 23,680 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,841 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,988 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,441 |
