| Animals by Skeleton Image | 0 | - | 4.81 | 46,506 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,504 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,823 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,477 |
| Animal Adjectives | 0 | - | 4.77 | 60,020 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,690 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,103 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,886 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,652 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,238 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,839 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,521 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,446 |
| Name that Bug | 0 | - | 4.12 | 45,564 |
| Bird in the Answers | 0 | - | 4.11 | 33,694 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,186 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,630 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,184 |
| Animal Emojis | 0 | - | 4.74 | 84,593 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,551 |
| Birds in the Answer | 0 | - | 4.56 | 52,843 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,876 |
| Animals that Start with L | 0 | - | 4.47 | 101,931 |
| Animals that Start with P | 0 | - | 4.45 | 86,138 |
| Animals that Start with S | 0 | - | 4.49 | 87,355 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,143 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,062 |
| Animal Sounds | 0 | - | 4.26 | 191,698 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,449 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,382 |
| Animals: No Vowels #2 | 0 | - | 4.49 | 22,249 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,473 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,131 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,140 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,253 |
| Words that are Animals | 0 | - | 3.88 | 41,464 |
| Extinct Animals | 0 | - | 4.16 | 27,508 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,301 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,259 |
| Animals in the News | 0 | - | 4.37 | 26,794 |
| Largest Types of Birds | 0 | - | 4.19 | 26,973 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,737 |
| Metals of Antiquity | 0 | - | 4.95 | 93,443 |
| Megadiverse Countries | 0 | - | 4.96 | 134,889 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,548 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,421 |
| Mammals in the Answer | 0 | - | 4.35 | 29,963 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,963 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,381 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,649 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,863 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,824 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,173 |
| Animal Decoder | 0 | - | 4.06 | 15,534 |
| Animal Group Names | 0 | - | 4.07 | 23,194 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,269 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,755 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,196 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,716 |
| Animals that Start with A | 0 | - | 4.26 | 112,103 |
| Animals that Start with B | 0 | - | 4.31 | 113,792 |
| Animals that Start with C | 0 | - | 4.21 | 93,238 |
| Animals that Start with D | 0 | - | 4.25 | 86,973 |
| Animals that Start with E | 0 | - | 4.28 | 73,927 |
| Animals that Start with F | 0 | - | 4.28 | 107,124 |
| Animals that Start with G | 0 | - | 4.25 | 80,145 |
| Animals that Start with K | 0 | - | 4.07 | 66,558 |
| Animals that Start with M | 0 | - | 4.23 | 84,017 |
| Animals that Start with R | 0 | - | 4.27 | 87,395 |
| Animals that Start with T | 0 | - | 4.32 | 91,474 |
| Animals that Start with H | 0 | - | 4.31 | 86,340 |
| Animals that Start with O | 0 | - | 4.27 | 88,587 |
| Animals that Start with W | 0 | - | 4.36 | 47,164 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,717 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,828 |
| Countries with Fjords | 0 | - | 4.94 | 100,902 |
| Bear in the Answers | 0 | - | 4.29 | 61,989 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,906 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,088 |
| Animal Varieties #3 | 0 | - | 4.54 | 55,404 |
| Animal Stereotypes | 0 | - | 4.48 | 37,252 |
| Birds A-Z | 0 | - | 4.24 | 36,532 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,344 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,264 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,569 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,111 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,807 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,414 |
| Animals that Start with N | 0 | - | 3.73 | 31,675 |
| Horse Vocabulary | 0 | - | 4.23 | 22,741 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,660 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,559 |
| Countries with Glaciers | 0 | - | 4.97 | 105,425 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,362 |
| Australia True or False | 0 | - | 4.87 | 56,863 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,546 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,764 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,682 |
| Types of Bears | 0 | - | 4.51 | 143,750 |
| Deadly Animals | 0 | - | 4.03 | 110,602 |
| Famous Animals #1 | 0 | - | 4.03 | 239,678 |
| Famous Animals #2 | 0 | - | 4.02 | 57,510 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,321 |
| Animal Facts | 0 | - | 4.15 | 42,983 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,984 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,303 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,082 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,886 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,561 |
| Cat Knowledge | 0 | - | 4.48 | 25,803 |
| Bear Knowledge | 0 | - | 4.54 | 35,090 |
| Cow Knowledge | 0 | - | 4.46 | 24,262 |
| Elephant Knowledge | 0 | - | 4.41 | 23,963 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,189 |
| Human Taxonomy | 0 | - | 4.68 | 18,915 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,506 |
| Body Parts in History and Culture | 0 | - | 4.43 | 35,285 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,947 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,672 |
| Countries With No Rivers | 0 | - | 4.96 | 76,817 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,125 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,026 |
| North Sea Countries | 0 | - | 4.92 | 87,395 |
| Black Sea Countries | 0 | - | 4.87 | 60,604 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,383 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,480 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 413,082 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,235 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,575 |
| French Animal Words | 0 | - | 4.44 | 134,463 |
| Spanish Animal Words | 0 | - | 4.53 | 95,736 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,975 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,884 |
| Horse Knowledge | 0 | - | 4.46 | 24,056 |
| Snake Knowledge | 0 | - | 4.49 | 18,813 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 106,951 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,327 |
| Elements by Picture | 0 | - | 4.27 | 69,971 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,451 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,296 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,669 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,516 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,705 |
| African Great Lakes | 0 | - | 4.82 | 66,259 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,522 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,470 |
| What Color is It - Multiple Choice | 0 | - | 4.47 | 44,105 |
| England or Wales? | 0 | - | 4.94 | 45,697 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,584 |
| Animals of Australia | 0 | - | 4.52 | 42,323 |
| Pack Animals | 0 | - | 4.18 | 10,384 |
| Lion Trivia | 0 | - | 4.19 | 16,410 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,323 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,665 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,508 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,385 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,968 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,320 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,656 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,585 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,309 |
| Elements Named for Countries | 0 | - | 4.53 | 24,707 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,392 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,860 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,281 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,629 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,539 |
| Least-Forested Countries | 0 | - | 4.53 | 65,207 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,086 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,149 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,799 |
| African Physical Geography | 0 | - | 4.51 | 31,705 |
| Asian Physical Geography | 0 | - | 4.61 | 35,527 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,755 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,510 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,177 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,458 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,669 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,082 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,737 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,411 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,888 |
| Flowers by Picture | 0 | - | 4.46 | 105,657 |
| NBA Basketball Multiple Choice | 0 | - | 4.04 | 35,335 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,732 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,791 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,572 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,328 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,690 |
| 1, 2, 3, or 4? | 0 | - | 4.26 | 70,100 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 43,063 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,616 |
| Primate Knowledge | 0 | - | 4.17 | 15,310 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,465 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,396 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,213 |
| Dog Knowledge | 0 | - | 4.46 | 34,381 |
| Fish Knowledge | 0 | - | 4.38 | 25,649 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,038 |
| The Diseases They Had | 0 | - | 4.15 | 14,015 |
