| Animals by Skeleton Image | 0 | - | 4.81 | 46,956 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,750 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,958 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,122 |
| Animal Adjectives | 0 | - | 4.77 | 60,205 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,824 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,380 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,086 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,025 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,490 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,467 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,624 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,498 |
| Name that Bug | 0 | - | 4.12 | 45,645 |
| Bird in the Answers | 0 | - | 4.11 | 33,964 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,246 |
| Animal Emojis | 0 | - | 4.74 | 85,291 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,065 |
| Birds in the Answer | 0 | - | 4.56 | 52,932 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,005 |
| Animals that Start with L | 0 | - | 4.47 | 102,449 |
| Animals that Start with P | 0 | - | 4.45 | 86,483 |
| Animals that Start with S | 0 | - | 4.49 | 87,676 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,294 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,467 |
| Animal Sounds | 0 | - | 4.27 | 192,036 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,618 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,489 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,780 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,872 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,512 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,355 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,578 |
| Words that are Animals | 0 | - | 3.85 | 41,515 |
| Extinct Animals | 0 | - | 4.13 | 27,579 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,386 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,310 |
| Animals in the News | 0 | - | 4.37 | 26,839 |
| Largest Types of Birds | 0 | - | 4.19 | 27,024 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,783 |
| Metals of Antiquity | 0 | - | 4.95 | 93,936 |
| Megadiverse Countries | 0 | - | 4.96 | 135,291 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,613 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,472 |
| Mammals in the Answer | 0 | - | 4.35 | 29,996 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,444 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,923 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,530 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,722 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,920 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,440 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,579 |
| Animal Decoder | 0 | - | 4.06 | 15,600 |
| Animal Group Names | 0 | - | 4.07 | 23,286 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,319 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,816 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,550 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,467 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,822 |
| Animals that Start with A | 0 | - | 4.26 | 112,457 |
| Animals that Start with B | 0 | - | 4.31 | 114,159 |
| Animals that Start with C | 0 | - | 4.21 | 93,546 |
| Animals that Start with D | 0 | - | 4.25 | 87,279 |
| Animals that Start with E | 0 | - | 4.28 | 74,186 |
| Animals that Start with F | 0 | - | 4.28 | 107,455 |
| Animals that Start with G | 0 | - | 4.25 | 80,399 |
| Animals that Start with K | 0 | - | 4.07 | 66,749 |
| Animals that Start with M | 0 | - | 4.23 | 84,287 |
| Animals that Start with R | 0 | - | 4.28 | 87,674 |
| Animals that Start with T | 0 | - | 4.32 | 92,121 |
| Animals that Start with H | 0 | - | 4.31 | 86,584 |
| Animals that Start with O | 0 | - | 4.27 | 88,829 |
| Animals that Start with W | 0 | - | 4.36 | 47,371 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.98 | 110,024 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,048 |
| Countries with Fjords | 0 | - | 4.94 | 101,334 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,225 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,163 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,615 |
| Animal Stereotypes | 0 | - | 4.48 | 37,501 |
| Birds A-Z | 0 | - | 4.24 | 36,628 |
| Bear in the Answers | 0 | - | 4.29 | 62,269 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,390 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,654 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,745 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,227 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,864 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,435 |
| Animals that Start with N | 0 | - | 3.73 | 31,839 |
| Horse Vocabulary | 0 | - | 4.23 | 22,803 |
| Countries with Glaciers | 0 | - | 4.97 | 105,813 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,975 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,997 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,699 |
| Australia True or False | 0 | - | 4.87 | 57,157 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 51,049 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,877 |
| Types of Bears | 0 | - | 4.50 | 143,944 |
| Deadly Animals | 0 | - | 4.02 | 110,810 |
| Famous Animals #1 | 0 | - | 4.03 | 239,988 |
| Famous Animals #2 | 0 | - | 4.02 | 57,591 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,419 |
| Animal Facts | 0 | - | 4.15 | 43,045 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,035 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,355 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,614 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,931 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,612 |
| Cat Knowledge | 0 | - | 4.49 | 25,880 |
| Bear Knowledge | 0 | - | 4.54 | 35,170 |
| Cow Knowledge | 0 | - | 4.46 | 24,313 |
| Elephant Knowledge | 0 | - | 4.41 | 24,011 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,360 |
| Human Taxonomy | 0 | - | 4.70 | 18,994 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,144 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,877 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,447 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,219 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,866 |
| Countries With No Rivers | 0 | - | 4.96 | 77,147 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,026 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,179 |
| North Sea Countries | 0 | - | 4.92 | 87,705 |
| Black Sea Countries | 0 | - | 4.87 | 60,749 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,591 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,681 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,372 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,021 |
| French Animal Words | 0 | - | 4.44 | 135,000 |
| Spanish Animal Words | 0 | - | 4.53 | 95,984 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,174 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,062 |
| Horse Knowledge | 0 | - | 4.46 | 24,137 |
| Snake Knowledge | 0 | - | 4.49 | 18,876 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,501 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,516 |
| Elements by Picture | 0 | - | 4.27 | 70,327 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,537 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,561 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,908 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,631 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,009 |
| African Great Lakes | 0 | - | 4.82 | 66,987 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,989 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,822 |
| What Color is It - Multiple Choice | 0 | - | 4.47 | 44,347 |
| England or Wales? | 0 | - | 4.94 | 45,973 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,459 |
| Animals of Australia | 0 | - | 4.53 | 42,496 |
| Pack Animals | 0 | - | 4.20 | 10,442 |
| Lion Trivia | 0 | - | 4.19 | 16,440 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,664 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,728 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,571 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,455 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,013 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,581 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,059 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,670 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,353 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,195 |
| Elements Named for Countries | 0 | - | 4.52 | 24,969 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,475 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,393 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,929 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,736 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,860 |
| Least-Forested Countries | 0 | - | 4.53 | 65,422 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,344 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,850 |
| African Physical Geography | 0 | - | 4.51 | 31,819 |
| Asian Physical Geography | 0 | - | 4.61 | 35,624 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,963 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,767 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,404 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,953 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,959 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,266 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,454 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,614 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,367 |
| Flowers by Picture | 0 | - | 4.46 | 105,869 |
| NBA Basketball Multiple Choice | 0 | - | 4.04 | 35,652 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,875 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,390 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,947 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,697 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,845 |
| 1, 2, 3, or 4? | 0 | - | 4.26 | 70,371 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,186 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,741 |
| Primate Knowledge | 0 | - | 4.17 | 15,350 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,515 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,728 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,493 |
| Dog Knowledge | 0 | - | 4.46 | 34,557 |
| Fish Knowledge | 0 | - | 4.38 | 25,748 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,267 |
| The Diseases They Had | 0 | - | 4.15 | 14,073 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,194 |
