| Animals by Skeleton Image | 0 | - | 4.80 | 46,228 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,330 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,748 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,064 |
| Animal Adjectives | 0 | - | 4.77 | 59,927 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,617 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 63,872 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,416 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,461 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,096 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,496 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,468 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,412 |
| Name that Bug | 0 | - | 4.12 | 45,509 |
| Fish by Picture #2 | 0 | - | 4.06 | 18,492 |
| Bird in the Answers | 0 | - | 4.11 | 33,461 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,142 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,068 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,051 |
| Animal Emojis | 0 | - | 4.73 | 83,818 |
| Birds in the Answer | 0 | - | 4.56 | 52,768 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,757 |
| Animals that Start with L | 0 | - | 4.47 | 101,720 |
| Animals that Start with P | 0 | - | 4.45 | 85,967 |
| Animals that Start with S | 0 | - | 4.49 | 87,160 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,057 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,875 |
| Animal Sounds | 0 | - | 4.26 | 191,436 |
| Words that are Animals | 0 | - | 3.88 | 41,441 |
| Extinct Animals | 0 | - | 4.21 | 27,458 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,344 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,315 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,267 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,232 |
| Animals in the News | 0 | - | 4.37 | 26,761 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,206 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,966 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,043 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,081 |
| Largest Types of Birds | 0 | - | 4.19 | 26,936 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,719 |
| Metals of Antiquity | 0 | - | 4.94 | 93,184 |
| Megadiverse Countries | 0 | - | 4.96 | 134,596 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,395 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,192 |
| Top Countries for Shark Attacks | 0 | - | 4.46 | 45,763 |
| Animals that Start with A | 0 | - | 4.26 | 111,823 |
| Animals that Start with B | 0 | - | 4.31 | 113,530 |
| Animals that Start with C | 0 | - | 4.23 | 92,672 |
| Animals that Start with D | 0 | - | 4.25 | 86,768 |
| Animals that Start with E | 0 | - | 4.28 | 73,735 |
| Animals that Start with F | 0 | - | 4.28 | 106,894 |
| Animals that Start with G | 0 | - | 4.25 | 79,972 |
| Animals that Start with K | 0 | - | 4.07 | 66,433 |
| Animals that Start with M | 0 | - | 4.23 | 83,849 |
| Animals that Start with R | 0 | - | 4.27 | 87,243 |
| Animals that Start with T | 0 | - | 4.32 | 91,290 |
| Animals that Start with H | 0 | - | 4.31 | 86,152 |
| Animals that Start with O | 0 | - | 4.27 | 88,451 |
| Animals that Start with W | 0 | - | 4.36 | 47,054 |
| Bear in the Answers | 0 | - | 4.29 | 61,754 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,512 |
| Mammals in the Answer | 0 | - | 4.35 | 29,941 |
| Three Letter Animals Quiz | 0 | - | 3.96 | 300,685 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,559 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,807 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,083 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,682 |
| Animal Decoder | 0 | - | 4.06 | 15,500 |
| Animal Group Names | 0 | - | 4.06 | 23,154 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,229 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,729 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 86,739 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,650 |
| Birds A-Z | 0 | - | 4.24 | 36,464 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,624 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,607 |
| Countries with Fjords | 0 | - | 4.93 | 100,552 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,663 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,319 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,037 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,263 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,786 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,007 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,760 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,398 |
| Horse Vocabulary | 0 | - | 4.22 | 22,705 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,444 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,931 |
| Countries with Glaciers | 0 | - | 4.97 | 104,903 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,611 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,554 |
| Types of Bears | 0 | - | 4.51 | 143,233 |
| Deadly Animals | 0 | - | 4.03 | 110,085 |
| Famous Animals #1 | 0 | - | 4.03 | 239,101 |
| Famous Animals #2 | 0 | - | 4.02 | 57,392 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,218 |
| Animal Facts | 0 | - | 4.15 | 42,949 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,965 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,284 |
| Countries with the Most Wolves | 0 | - | 4.92 | 107,527 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,860 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,534 |
| Cat Knowledge | 0 | - | 4.48 | 25,763 |
| Bear Knowledge | 0 | - | 4.54 | 35,036 |
| Cow Knowledge | 0 | - | 4.46 | 24,213 |
| Elephant Knowledge | 0 | - | 4.41 | 23,932 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,079 |
| Human Taxonomy | 0 | - | 4.68 | 18,893 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 111,892 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,810 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,494 |
| Countries With No Rivers | 0 | - | 4.96 | 76,263 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,893 |
| North Sea Countries | 0 | - | 4.92 | 86,856 |
| Black Sea Countries | 0 | - | 4.87 | 60,486 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,195 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,300 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,069 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,347 |
| French Animal Words | 0 | - | 4.44 | 134,131 |
| Spanish Animal Words | 0 | - | 4.53 | 95,577 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,794 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,751 |
| Animals that Start with N | 0 | - | 3.73 | 31,575 |
| Horse Knowledge | 0 | - | 4.45 | 23,999 |
| Snake Knowledge | 0 | - | 4.49 | 18,779 |
| Top 15 Countries with the Most Cows | 0 | - | 4.64 | 92,874 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,240 |
| Elements by Picture | 0 | - | 4.27 | 69,766 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,397 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,108 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,420 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,461 |
| African Great Lakes | 0 | - | 4.82 | 65,781 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,188 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,923 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,234 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,086 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,180 |
| England or Wales? | 0 | - | 4.94 | 45,518 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,068 |
| Animals of Australia | 0 | - | 4.52 | 42,254 |
| Pack Animals | 0 | - | 4.23 | 10,358 |
| Lion Trivia | 0 | - | 4.19 | 16,392 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,070 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,630 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,477 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,344 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,941 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,174 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,405 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,549 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,280 |
| Elements Named for Countries | 0 | - | 4.52 | 24,575 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,346 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,519 |
| Organs of the Human Body (with map) | 0 | - | 4.11 | 118,930 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,550 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,319 |
| Least-Forested Countries | 0 | - | 4.53 | 65,064 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 81,905 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,112 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,776 |
| African Physical Geography | 0 | - | 4.51 | 31,629 |
| Asian Physical Geography | 0 | - | 4.61 | 35,459 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,614 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,002 |
| Rivers of the United States | 0 | - | 4.93 | 65,897 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 115,246 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,022 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,549 |
| Flowers by Picture | 0 | - | 4.46 | 105,150 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,661 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,135 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,995 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,541 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,474 |
| Primate Knowledge | 0 | - | 4.17 | 15,286 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,427 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,181 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,025 |
| Dog Knowledge | 0 | - | 4.46 | 34,282 |
| Fish Knowledge | 0 | - | 4.38 | 25,578 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,677 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 68,856 |
| The Diseases They Had | 0 | - | 4.15 | 13,966 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,136 |
| Least Forested Countries in Asia | 0 | - | 4.74 | 64,585 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,746 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,539 |
| Geological Extremes | 0 | - | 4.34 | 39,983 |
| Landforms by Country | 0 | - | 4.52 | 51,947 |
| European Physical Geography | 0 | - | 4.26 | 33,436 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,000 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,432 |
| Biggest City by River | 0 | - | 4.41 | 52,766 |
| Capitals by River | 0 | - | 4.55 | 48,274 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,202 |
| The Bible - Multiple Choice | 0 | - | 4.34 | 50,618 |
