| Animal Varieties #1 | 0 | - | 4.48 | 92,983 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,107 |
| Animal Varieties #3 | 0 | - | 4.54 | 55,463 |
| Animal Stereotypes | 0 | - | 4.48 | 37,339 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,743 |
| Deadly Animals | 0 | - | 4.03 | 110,670 |
| Famous Animals #1 | 0 | - | 4.03 | 239,790 |
| Famous Animals #2 | 0 | - | 4.02 | 57,534 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,358 |
| Animal Facts | 0 | - | 4.15 | 43,008 |
| Cat Knowledge | 0 | - | 4.48 | 25,829 |
| Cow Knowledge | 0 | - | 4.46 | 24,281 |
| Elephant Knowledge | 0 | - | 4.41 | 23,981 |
| Human Taxonomy | 0 | - | 4.68 | 18,931 |
| Types of Bears | 0 | - | 4.51 | 143,825 |
| Bear Knowledge | 0 | - | 4.54 | 35,112 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,247 |
| French Animal Words | 0 | - | 4.44 | 134,650 |
| Spanish Animal Words | 0 | - | 4.53 | 95,806 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,563 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,466 |
| Name that Bug | 0 | - | 4.12 | 45,588 |
| Pack Animals | 0 | - | 4.18 | 10,398 |
| Lion Trivia | 0 | - | 4.19 | 16,413 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,683 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,522 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,407 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,985 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,735 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,198 |
| Bird in the Answers | 0 | - | 4.11 | 33,806 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,207 |
| Snake Knowledge | 0 | - | 4.49 | 18,833 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,744 |
| Animals that Start with L | 0 | - | 4.47 | 102,255 |
| Animals that Start with P | 0 | - | 4.45 | 86,303 |
| Animals that Start with S | 0 | - | 4.49 | 87,510 |
| Words that are Animals | 0 | - | 3.85 | 41,488 |
| Extinct Animals | 0 | - | 4.16 | 27,528 |
| Primate Knowledge | 0 | - | 4.17 | 15,319 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,319 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,276 |
| Animals in the News | 0 | - | 4.37 | 26,805 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,479 |
| Animals: No Vowels #2 | 0 | - | 4.50 | 22,421 |
| Largest Types of Birds | 0 | - | 4.19 | 26,991 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,750 |
| Fish Knowledge | 0 | - | 4.38 | 25,680 |
| Megadiverse Countries | 0 | - | 4.96 | 135,028 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,720 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,438 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,433 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,577 |
| Animals that Start with A | 0 | - | 4.26 | 112,240 |
| Animals that Start with B | 0 | - | 4.31 | 113,955 |
| Animals that Start with C | 0 | - | 4.21 | 93,371 |
| Animals that Start with D | 0 | - | 4.25 | 87,119 |
| Animals that Start with E | 0 | - | 4.28 | 74,044 |
| Animals that Start with F | 0 | - | 4.28 | 107,260 |
| Animals that Start with G | 0 | - | 4.25 | 80,272 |
| Animals that Start with K | 0 | - | 4.07 | 66,641 |
| Animals that Start with M | 0 | - | 4.23 | 84,165 |
| Animals that Start with R | 0 | - | 4.28 | 87,533 |
| Animals that Start with T | 0 | - | 4.32 | 91,937 |
| Animals that Start with H | 0 | - | 4.31 | 86,453 |
| Animals that Start with O | 0 | - | 4.27 | 88,698 |
| Animals that Start with W | 0 | - | 4.36 | 47,260 |
| Mammals in the Answer | 0 | - | 4.35 | 29,975 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,136 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,676 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,885 |
| Animal Decoder | 0 | - | 4.06 | 15,551 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,282 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,665 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,761 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,902 |
| Countries with Fjords | 0 | - | 4.94 | 101,052 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,750 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,570 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,353 |
| Animals that Start with N | 0 | - | 3.73 | 31,758 |
| World's Longest Rivers | 0 | - | 4.90 | 137,049 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,350 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,774 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,904 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,576 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,958 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,582 |
| Countries With No Rivers | 0 | - | 4.96 | 76,922 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,289 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,075 |
| North Sea Countries | 0 | - | 4.92 | 87,496 |
| Black Sea Countries | 0 | - | 4.87 | 60,652 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,454 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,549 |
| Seas on the World Map | 0 | - | 4.96 | 135,549 |
| Seas of the World | 0 | - | 5.00 | 157,423 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,281 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,701 |
| Animal Adjectives | 0 | - | 4.77 | 60,075 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,567 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,784 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,333 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,032 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,543 |
| Geologic Time Scale | 0 | - | 4.41 | 10,036 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,810 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,022 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,657 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,577 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,879 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,198 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,183 |
| Animal Sounds | 0 | - | 4.26 | 191,820 |
| Animals of Australia | 0 | - | 4.52 | 42,371 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,500 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,419 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,269 |
| Animal Emojis | 0 | - | 4.74 | 84,836 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,645 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,610 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,283 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,207 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,812 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,356 |
| Birds in the Answer | 0 | - | 4.56 | 52,878 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,922 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,819 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,258 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,257 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,655 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,741 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,490 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,600 |
| Famous Rivers | 0 | - | 4.75 | 105,067 |
| City to River #1 | 0 | - | 4.59 | 35,864 |
| Most Populous River Basins | 0 | - | 4.55 | 39,748 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,389 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,914 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,144 |
| Flowers by Picture | 0 | - | 4.46 | 105,731 |
| Animal Idioms Quiz #1 | 0 | - | 4.33 | 43,102 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,647 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,507 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,316 |
| Dog Knowledge | 0 | - | 4.46 | 34,469 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,025 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,299 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,030 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,609 |
| Rivers by City | 0 | - | 4.38 | 31,741 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,112 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,040 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,401 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 29,054 |
| Plants by Picture | 0 | - | 4.24 | 14,479 |
| Trees in the Answer | 0 | - | 4.25 | 45,882 |
| Bear in the Answers | 0 | - | 4.29 | 62,107 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,836 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,476 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,625 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,562 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,846 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,633 |
| Animal Group Names | 0 | - | 4.07 | 23,229 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,772 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,751 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.15 | 113,348 |
| Birds A-Z | 0 | - | 4.24 | 36,561 |
| Biggest City by River | 0 | - | 4.38 | 52,885 |
| Big Cats | 0 | - | 3.91 | 67,844 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,967 |
| Disney Animals | 0 | - | 4.27 | 240,155 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,997 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,154 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,315 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,619 |
| Famous Dogs | 0 | - | 4.02 | 28,005 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,152 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,827 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,418 |
| Horse Vocabulary | 0 | - | 4.23 | 22,764 |
| Rivers on Borders | 0 | - | 4.02 | 22,710 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,270 |
| Famous Cats | 0 | - | 4.08 | 18,074 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,817 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,305 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,079 |
| Brand-Name Animals | 0 | - | 4.16 | 74,571 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,358 |
| Dog in the Answers | 0 | - | 4.16 | 68,742 |
| Rivers A-Z | 0 | - | 4.35 | 32,801 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,006 |
| Famous Pets | 0 | - | 3.98 | 30,464 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,024 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,795 |
| National Animals | 0 | - | 4.24 | 89,771 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,978 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,295 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,455 |
