| Animals by Skeleton Image | 0 | - | 4.81 | 46,708 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,673 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,891 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,759 |
| Animal Adjectives | 0 | - | 4.77 | 60,101 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,745 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,225 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,649 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,822 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,361 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,089 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,570 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,467 |
| Name that Bug | 0 | - | 4.12 | 45,596 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,627 |
| Bird in the Answers | 0 | - | 4.11 | 33,836 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,212 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,301 |
| Animal Emojis | 0 | - | 4.74 | 84,897 |
| Birds in the Answer | 0 | - | 4.56 | 52,887 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,939 |
| Animals that Start with L | 0 | - | 4.47 | 102,289 |
| Animals that Start with P | 0 | - | 4.45 | 86,338 |
| Animals that Start with S | 0 | - | 4.49 | 87,540 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,210 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,227 |
| Animal Sounds | 0 | - | 4.26 | 191,857 |
| Words that are Animals | 0 | - | 3.85 | 41,489 |
| Extinct Animals | 0 | - | 4.16 | 27,539 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,517 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,431 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,331 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,280 |
| Animals in the News | 0 | - | 4.37 | 26,812 |
| Animals: No Vowels #2 | 0 | - | 4.50 | 22,479 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,657 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,317 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,220 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,381 |
| Largest Types of Birds | 0 | - | 4.19 | 26,993 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,757 |
| Metals of Antiquity | 0 | - | 4.95 | 93,660 |
| Megadiverse Countries | 0 | - | 4.96 | 135,077 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,445 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,786 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,451 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,871 |
| Animals that Start with A | 0 | - | 4.26 | 112,275 |
| Animals that Start with B | 0 | - | 4.31 | 113,983 |
| Animals that Start with C | 0 | - | 4.21 | 93,395 |
| Animals that Start with D | 0 | - | 4.25 | 87,144 |
| Animals that Start with E | 0 | - | 4.28 | 74,065 |
| Animals that Start with F | 0 | - | 4.28 | 107,291 |
| Animals that Start with G | 0 | - | 4.25 | 80,291 |
| Animals that Start with K | 0 | - | 4.07 | 66,662 |
| Animals that Start with M | 0 | - | 4.23 | 84,191 |
| Animals that Start with R | 0 | - | 4.28 | 87,555 |
| Animals that Start with T | 0 | - | 4.32 | 91,979 |
| Animals that Start with H | 0 | - | 4.31 | 86,477 |
| Animals that Start with O | 0 | - | 4.27 | 88,729 |
| Animals that Start with W | 0 | - | 4.36 | 47,283 |
| Bear in the Answers | 0 | - | 4.29 | 62,130 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,566 |
| Mammals in the Answer | 0 | - | 4.35 | 29,981 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,177 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,681 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,886 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,020 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,332 |
| Animal Decoder | 0 | - | 4.06 | 15,560 |
| Animal Group Names | 0 | - | 4.07 | 23,238 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,287 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,779 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,343 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,759 |
| Birds A-Z | 0 | - | 4.24 | 36,570 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,781 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,924 |
| Countries with Fjords | 0 | - | 4.94 | 101,087 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,010 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,359 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,116 |
| Animal Varieties #3 | 0 | - | 4.52 | 55,483 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,422 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,163 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,834 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,421 |
| Animals that Start with N | 0 | - | 3.73 | 31,778 |
| Horse Vocabulary | 0 | - | 4.23 | 22,770 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,787 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,733 |
| Countries with Glaciers | 0 | - | 4.96 | 105,603 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,807 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,760 |
| Types of Bears | 0 | - | 4.51 | 143,840 |
| Deadly Animals | 0 | - | 4.02 | 110,686 |
| Famous Animals #1 | 0 | - | 4.03 | 239,816 |
| Famous Animals #2 | 0 | - | 4.02 | 57,545 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,367 |
| Animal Facts | 0 | - | 4.15 | 43,014 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,004 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,317 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,318 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,907 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,583 |
| Cat Knowledge | 0 | - | 4.48 | 25,837 |
| Bear Knowledge | 0 | - | 4.54 | 35,117 |
| Cow Knowledge | 0 | - | 4.46 | 24,285 |
| Elephant Knowledge | 0 | - | 4.41 | 23,983 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,264 |
| Human Taxonomy | 0 | - | 4.69 | 18,941 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,710 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,045 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,758 |
| Countries With No Rivers | 0 | - | 4.96 | 76,958 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,092 |
| North Sea Countries | 0 | - | 4.92 | 87,522 |
| Black Sea Countries | 0 | - | 4.87 | 60,670 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,473 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,570 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,302 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,755 |
| French Animal Words | 0 | - | 4.44 | 134,727 |
| Spanish Animal Words | 0 | - | 4.53 | 95,830 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,062 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,955 |
| Horse Knowledge | 0 | - | 4.46 | 24,085 |
| Snake Knowledge | 0 | - | 4.49 | 18,839 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,357 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,396 |
| Elements by Picture | 0 | - | 4.27 | 70,119 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,492 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,406 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,555 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,846 |
| African Great Lakes | 0 | - | 4.82 | 66,603 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,685 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,168 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,491 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,700 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,616 |
| England or Wales? | 0 | - | 4.94 | 45,826 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,932 |
| Animals of Australia | 0 | - | 4.52 | 42,384 |
| Pack Animals | 0 | - | 4.20 | 10,404 |
| Lion Trivia | 0 | - | 4.19 | 16,420 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,488 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,691 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,528 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,417 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,992 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,438 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,855 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,624 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,329 |
| Elements Named for Countries | 0 | - | 4.54 | 24,842 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,414 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,079 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,597 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,672 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,673 |
| Least-Forested Countries | 0 | - | 4.53 | 65,306 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,213 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,172 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,824 |
| African Physical Geography | 0 | - | 4.51 | 31,756 |
| Asian Physical Geography | 0 | - | 4.61 | 35,571 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,847 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,264 |
| Rivers of the United States | 0 | - | 4.93 | 66,394 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,041 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,512 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,116 |
| Flowers by Picture | 0 | - | 4.46 | 105,752 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,792 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,473 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,108 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,657 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,660 |
| Primate Knowledge | 0 | - | 4.17 | 15,327 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,486 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,545 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,339 |
| Dog Knowledge | 0 | - | 4.46 | 34,484 |
| Fish Knowledge | 0 | - | 4.38 | 25,687 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,770 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,130 |
| The Diseases They Had | 0 | - | 4.15 | 14,038 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,175 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,816 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,876 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,712 |
| Geological Extremes | 0 | - | 4.34 | 40,070 |
| Landforms by Country | 0 | - | 4.52 | 51,992 |
| European Physical Geography | 0 | - | 4.26 | 33,549 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,131 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,634 |
| Capitals by River | 0 | - | 4.55 | 48,353 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,450 |
| The Bible - Multiple Choice | 0 | - | 4.34 | 50,783 |
