| Animal Varieties #1 | 0 | - | 4.48 | 92,963 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,101 |
| Animal Varieties #3 | 0 | - | 4.54 | 55,453 |
| Animal Stereotypes | 0 | - | 4.48 | 37,321 |
| Fish Knowledge | 0 | - | 4.38 | 25,672 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,730 |
| Types of Bears | 0 | - | 4.51 | 143,804 |
| Deadly Animals | 0 | - | 4.03 | 110,654 |
| Famous Animals #1 | 0 | - | 4.03 | 239,773 |
| Famous Animals #2 | 0 | - | 4.02 | 57,531 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,348 |
| Animal Facts | 0 | - | 4.15 | 43,004 |
| Cat Knowledge | 0 | - | 4.48 | 25,824 |
| Bear Knowledge | 0 | - | 4.54 | 35,108 |
| Cow Knowledge | 0 | - | 4.46 | 24,276 |
| Elephant Knowledge | 0 | - | 4.41 | 23,977 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,238 |
| Human Taxonomy | 0 | - | 4.68 | 18,928 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,569 |
| French Animal Words | 0 | - | 4.44 | 134,608 |
| Spanish Animal Words | 0 | - | 4.53 | 95,793 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,722 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,181 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,551 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,463 |
| Name that Bug | 0 | - | 4.12 | 45,583 |
| Pack Animals | 0 | - | 4.18 | 10,396 |
| Lion Trivia | 0 | - | 4.19 | 16,412 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,680 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,520 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,403 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,983 |
| Bird in the Answers | 0 | - | 4.11 | 33,788 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,202 |
| Horse Knowledge | 0 | - | 4.46 | 24,074 |
| Snake Knowledge | 0 | - | 4.49 | 18,830 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,726 |
| Animals that Start with L | 0 | - | 4.47 | 102,225 |
| Animals that Start with P | 0 | - | 4.45 | 86,270 |
| Animals that Start with S | 0 | - | 4.49 | 87,476 |
| Animals: No Vowels #2 | 0 | - | 4.50 | 22,384 |
| Words that are Animals | 0 | - | 3.88 | 41,485 |
| Extinct Animals | 0 | - | 4.16 | 27,524 |
| Primate Knowledge | 0 | - | 4.17 | 15,315 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,316 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,272 |
| Animals in the News | 0 | - | 4.37 | 26,805 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,477 |
| Largest Types of Birds | 0 | - | 4.19 | 26,987 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,747 |
| Megadiverse Countries | 0 | - | 4.96 | 134,999 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,680 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,432 |
| Mammals in the Answer | 0 | - | 4.35 | 29,972 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,102 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,423 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,669 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,880 |
| Animal Decoder | 0 | - | 4.06 | 15,545 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,281 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,644 |
| Animals that Start with A | 0 | - | 4.26 | 112,211 |
| Animals that Start with B | 0 | - | 4.31 | 113,920 |
| Animals that Start with C | 0 | - | 4.21 | 93,341 |
| Animals that Start with D | 0 | - | 4.25 | 87,088 |
| Animals that Start with E | 0 | - | 4.28 | 74,015 |
| Animals that Start with F | 0 | - | 4.28 | 107,237 |
| Animals that Start with G | 0 | - | 4.25 | 80,248 |
| Animals that Start with K | 0 | - | 4.07 | 66,627 |
| Animals that Start with M | 0 | - | 4.23 | 84,143 |
| Animals that Start with R | 0 | - | 4.28 | 87,503 |
| Animals that Start with T | 0 | - | 4.32 | 91,777 |
| Animals that Start with H | 0 | - | 4.31 | 86,433 |
| Animals that Start with O | 0 | - | 4.27 | 88,679 |
| Animals that Start with W | 0 | - | 4.36 | 47,244 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,890 |
| Countries with Fjords | 0 | - | 4.94 | 101,016 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,738 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,550 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,349 |
| Animals that Start with N | 0 | - | 3.73 | 31,743 |
| World's Longest Rivers | 0 | - | 4.90 | 136,982 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,252 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,901 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,573 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,769 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,929 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,552 |
| Countries With No Rivers | 0 | - | 4.96 | 76,898 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,256 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,069 |
| North Sea Countries | 0 | - | 4.92 | 87,473 |
| Black Sea Countries | 0 | - | 4.87 | 60,645 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,440 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,542 |
| Seas on the World Map | 0 | - | 4.96 | 135,520 |
| Seas of the World | 0 | - | 5.00 | 157,327 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,272 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,649 |
| Animal Adjectives | 0 | - | 4.77 | 60,065 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,515 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,753 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,314 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,982 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,538 |
| Geologic Time Scale | 0 | - | 4.41 | 10,034 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,787 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,012 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,632 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,550 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,873 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,193 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,156 |
| Animal Sounds | 0 | - | 4.26 | 191,800 |
| Animals of Australia | 0 | - | 4.52 | 42,362 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,490 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,411 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,255 |
| Animal Emojis | 0 | - | 4.74 | 84,799 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,630 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,586 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,249 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,189 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,783 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,332 |
| Birds in the Answer | 0 | - | 4.56 | 52,868 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,912 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,816 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,256 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,254 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,647 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,720 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,471 |
| Famous Rivers | 0 | - | 4.75 | 105,051 |
| City to River #1 | 0 | - | 4.59 | 35,862 |
| Most Populous River Basins | 0 | - | 4.55 | 39,743 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,383 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,898 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,132 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 29,023 |
| Flowers by Picture | 0 | - | 4.46 | 105,725 |
| Animal Idioms Quiz #1 | 0 | - | 4.33 | 43,094 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,645 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,487 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,300 |
| Dog Knowledge | 0 | - | 4.46 | 34,449 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,025 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,291 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,025 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,591 |
| Rivers by City | 0 | - | 4.38 | 31,739 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,101 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,035 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,340 |
| Plants by Picture | 0 | - | 4.24 | 14,473 |
| Trees in the Answer | 0 | - | 4.25 | 45,874 |
| Bear in the Answers | 0 | - | 4.29 | 62,088 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,812 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,457 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,607 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,561 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,844 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,620 |
| Animal Group Names | 0 | - | 4.07 | 23,223 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,770 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,610 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,744 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.16 | 113,132 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,141 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,825 |
| Birds A-Z | 0 | - | 4.24 | 36,556 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,415 |
| Horse Vocabulary | 0 | - | 4.23 | 22,757 |
| Biggest City by River | 0 | - | 4.38 | 52,882 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,267 |
| Big Cats | 0 | - | 3.91 | 67,833 |
| Famous Cats | 0 | - | 4.08 | 18,064 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,958 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,810 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,301 |
| Disney Animals | 0 | - | 4.27 | 240,097 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,073 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,995 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,150 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,314 |
| Brand-Name Animals | 0 | - | 4.16 | 74,561 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,325 |
| Dog in the Answers | 0 | - | 4.16 | 68,724 |
| Famous Dogs | 0 | - | 4.02 | 27,998 |
| Rivers on Borders | 0 | - | 4.02 | 22,707 |
| Rivers A-Z | 0 | - | 4.35 | 32,795 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,002 |
| Famous Pets | 0 | - | 3.98 | 30,456 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,011 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,792 |
| National Animals | 0 | - | 4.24 | 89,753 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,951 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,275 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,423 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,369 |
