| Animal Varieties Quiz #1 | 0 | - | 4.48 | 90,424 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,392 |
| Animal Varieties Quiz #3 | 0 | - | 4.50 | 53,772 |
| Fish Knowledge | 0 | - | 4.40 | 15,075 |
| Animal Varieties Quiz #2 | 0 | - | 4.40 | 65,313 |
| Types of Bears | 0 | - | 4.52 | 141,520 |
| Deadly Animals | 0 | - | 4.02 | 107,857 |
| Famous Animals Quiz #1 | 0 | - | 4.02 | 236,878 |
| Famous Animals Quiz #2 | 0 | - | 4.02 | 56,864 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 42,674 |
| Animal Facts | 0 | - | 4.15 | 42,619 |
| Cat Knowledge | 0 | - | 4.49 | 25,386 |
| Bear Knowledge | 0 | - | 4.54 | 34,496 |
| Cow Knowledge | 0 | - | 4.51 | 23,849 |
| Elephant Knowledge | 0 | - | 4.43 | 23,650 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.49 | 55,243 |
| Human Taxonomy | 0 | - | 4.68 | 18,544 |
| Fish... or Not a Fish? | 0 | - | 4.38 | 42,151 |
| French Animal Words | 0 | - | 4.44 | 131,258 |
| Spanish Animal Words | 0 | - | 4.55 | 94,194 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 32,887 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 62,580 |
| Words Containing Animals #1 | 0 | - | 4.20 | 42,915 |
| Words Containing Animals #2 | 0 | - | 4.06 | 34,026 |
| Name that Bug | 0 | - | 4.11 | 45,071 |
| Pack Animals | 0 | - | 4.21 | 10,143 |
| Lion Trivia | 0 | - | 4.19 | 16,204 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,368 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,245 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,053 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,706 |
| Bird in the Answers | 0 | - | 4.09 | 31,878 |
| Bird Knowledge #2 | 0 | - | 4.42 | 13,818 |
| Horse Knowledge | 0 | - | 4.44 | 23,602 |
| Snake Knowledge | 0 | - | 4.49 | 18,411 |
| Animals that Start with L | 0 | - | 4.46 | 99,448 |
| Animals that Start with P | 0 | - | 4.44 | 84,074 |
| Animals that Start with S | 0 | - | 4.49 | 85,046 |
| Animals: No Vowels #2 | 0 | - | 4.55 | 19,189 |
| Words that are Animals | 0 | - | 3.88 | 41,196 |
| Extinct Animals | 0 | - | 4.18 | 27,063 |
| Primate Knowledge | 0 | - | 4.17 | 15,087 |
| Reptile Picture Quiz | 0 | - | 4.30 | 13,937 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,020 |
| Animals in the News | 0 | - | 4.37 | 26,410 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.23 | 15,151 |
| Largest Types of Birds | 0 | - | 4.19 | 26,645 |
| Bird Knowledge #1 | 0 | - | 4.32 | 15,478 |
| Megadiverse Countries | 0 | - | 4.97 | 131,945 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 77,336 |
| Fictional Animals Quiz #1 | 0 | - | 4.06 | 46,101 |
| Mammals in the Answer | 0 | - | 4.35 | 29,754 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 298,523 |
| Animals A-Z #1 | 0 | - | 4.40 | 90,993 |
| Animals A-Z #2 | 0 | - | 4.11 | 65,227 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,071 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,377 |
| Animal Decoder | 0 | - | 4.06 | 15,223 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,006 |
| Animals by Skeleton Image | 0 | - | 4.81 | 44,151 |
| Animals that Start with A | 0 | - | 4.25 | 109,681 |
| Animals that Start with B | 0 | - | 4.31 | 111,086 |
| Animals that Start with C | 0 | - | 4.22 | 90,715 |
| Animals that Start with D | 0 | - | 4.23 | 84,562 |
| Animals that Start with E | 0 | - | 4.28 | 72,172 |
| Animals that Start with F | 0 | - | 4.27 | 104,663 |
| Animals that Start with G | 0 | - | 4.23 | 78,579 |
| Animals that Start with K | 0 | - | 4.05 | 65,259 |
| Animals that Start with M | 0 | - | 4.24 | 82,115 |
| Animals that Start with R | 0 | - | 4.26 | 85,556 |
| Animals that Start with T | 0 | - | 4.32 | 89,418 |
| Animals that Start with H | 0 | - | 4.29 | 84,413 |
| Animals that Start with O | 0 | - | 4.26 | 86,538 |
| Animals that Start with W | 0 | - | 4.34 | 45,991 |
| Natural Features of Countries #1 | 0 | - | 4.85 | 82,207 |
| Countries with Fjords | 0 | - | 4.93 | 98,262 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 34,155 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 49,249 |
| Fictional Animals Quiz #2 | 0 | - | 3.95 | 36,140 |
| World's Longest Rivers | 0 | - | 4.87 | 118,075 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 156,113 |
| Three Letter Mammals Quiz | 0 | - | 3.66 | 11,685 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,327 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 84,468 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 53,673 |
| Countries With No Rivers | 0 | - | 4.96 | 74,572 |
| Countries That Touch the Baltic Sea | 0 | - | 4.99 | 114,933 |
| North Sea Countries | 0 | - | 4.92 | 85,451 |
| Black Sea Countries | 0 | - | 4.87 | 59,707 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 64,193 |
| Caspian Sea Countries | 0 | - | 4.90 | 62,151 |
| Seas on the World Map | 0 | - | 4.97 | 130,976 |
| Seas of the World | 0 | - | 5.00 | 148,076 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 406,579 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,300 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 147,158 |
| Animal Adjectives | 0 | - | 4.74 | 59,113 |
| Animals by Close-up Image | 0 | - | 4.42 | 213,624 |
| Mammals by Picture #3 | 0 | - | 4.44 | 60,285 |
| Aquatic Mammals by Picture | 0 | - | 4.42 | 43,967 |
| Extinct Animals by Picture | 0 | - | 4.48 | 33,877 |
| Mammals by Picture #1 | 0 | - | 4.75 | 88,978 |
| Animals that Start with N | 0 | - | 3.71 | 30,611 |
| Landforms Quiz | 0 | - | 4.37 | 76,265 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 36,796 |
| Geologic Time Scale | 0 | - | 4.46 | 9,654 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 72,882 |
| Largest Lakes in the United States on a Map | 0 | - | 4.89 | 23,939 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 112,537 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 90,416 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,214 |
| Biggest Animals by Category | 0 | - | 4.17 | 72,384 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 135,677 |
| Animal Sounds Quiz | 0 | - | 4.26 | 189,320 |
| Animals of Australia | 0 | - | 4.52 | 41,608 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 51,518 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 46,704 |
| Animal Emojis | 0 | - | 4.63 | 72,336 |
| Fish by Picture #1 | 0 | - | 4.41 | 106,661 |
| Animals A-Z by Picture | 0 | - | 4.09 | 64,435 |
| Mammals by Picture #4 | 0 | - | 4.04 | 33,114 |
| Birds by Picture #1 | 0 | - | 4.46 | 39,501 |
| Mammals by Picture #2 | 0 | - | 4.30 | 56,659 |
| Birds in the Answer | 0 | - | 4.56 | 52,204 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,060 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,519 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 20,870 |
| Indian Ocean General Knowledge | 0 | - | 4.51 | 21,895 |
| Bodies of Water by Cities | 0 | - | 4.78 | 28,009 |
| Biggest Lakes in the World | 0 | - | 4.61 | 87,802 |
| Great Lakes Quiz | 0 | - | 4.79 | 49,116 |
| Famous Rivers | 0 | - | 4.74 | 102,931 |
| City to River #1 | 0 | - | 4.58 | 34,755 |
| Most Populous River Basins | 0 | - | 4.54 | 39,089 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 39,472 |
| Seas that Touch the Most Countries | 0 | - | 4.70 | 94,753 |
| Countries Bordering the Four Color Seas | 0 | - | 4.93 | 21,872 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.87 | 25,959 |
| Flowers by Picture | 0 | - | 4.47 | 103,872 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,499 |
| Animal Idioms Quiz #2 | 0 | - | 4.32 | 43,045 |
| Word Scramble - Random Animals | 0 | - | 4.40 | 47,928 |
| Birds by Picture #2 | 0 | - | 4.32 | 34,687 |
| Birds by Picture #3 | 0 | - | 4.23 | 31,786 |
| Dog Knowledge | 0 | - | 4.46 | 33,435 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,869 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 29,163 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,680 |
| Cities on a Map of the Great Lakes | 0 | - | 4.42 | 43,581 |
| Biggest City by River | 0 | - | 4.41 | 52,270 |
| City to River #2 - Difficult | 0 | - | 4.61 | 19,552 |
| Largest Rivers by Discharge | 0 | - | 4.52 | 15,636 |
| Plants by Picture | 0 | - | 4.22 | 14,057 |
| Trees in the Answer | 0 | - | 4.25 | 45,487 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 180,983 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 127,787 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 106,545 |
| People with Animal Names Quiz #1 | 0 | - | 3.97 | 42,288 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,191 |
| Books with Animals in the Title #1 | 0 | - | 4.42 | 66,574 |
| Animal Group Names | 0 | - | 4.05 | 22,788 |
| Largest Land Animals of Africa | 0 | - | 4.34 | 12,473 |
| Fish by Picture #2 | 0 | - | 4.08 | 17,851 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,239 |
| Most Popular Dog Breeds Quiz | 0 | - | 4.20 | 109,107 |
| Fictional Birds by Picture | 0 | - | 4.28 | 25,257 |
| 3 and 4 Letter Birds | 0 | - | 4.24 | 23,427 |
| Birds A-Z | 0 | - | 4.24 | 35,887 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,295 |
| Horse Vocabulary | 0 | - | 4.22 | 22,426 |
| Bear in the Answers | 0 | - | 4.29 | 60,427 |
| Rivers by City Quiz | 0 | - | 4.36 | 22,213 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 16,966 |
| Big Cats | 0 | - | 3.92 | 67,220 |
| Famous Cats | 0 | - | 4.08 | 17,778 |
| Sayings About Animals #1 | 0 | - | 4.35 | 106,655 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,135 |
| Sayings About Animals #3 | 0 | - | 3.91 | 76,807 |
| Disney Animals | 0 | - | 4.26 | 234,675 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 16,985 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,802 |
| Sayings About Animals #4 | 0 | - | 4.19 | 41,517 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,106 |
| Brand-Name Animals Quiz | 0 | - | 4.22 | 73,542 |
| Dog Breed Picture Quiz | 0 | - | 4.33 | 202,999 |
| Dog in the Answers | 0 | - | 4.15 | 67,397 |
| Famous Dogs Quiz | 0 | - | 4.02 | 27,609 |
| Rivers on Borders | 0 | - | 4.03 | 22,463 |
| Rivers A-Z | 0 | - | 4.35 | 32,376 |
| Songs with Animals in the Title #2 | 0 | - | 3.88 | 27,499 |
| Famous Pets Quiz | 0 | - | 3.98 | 30,185 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 23,570 |
| National Animals | 0 | - | 4.24 | 88,249 |
| Countries with Wild Tigers | 0 | - | 4.97 | 133,375 |
| Countries with Wild Penguins | 0 | - | 4.94 | 97,302 |
| Countries with More Cows than People | 0 | - | 4.41 | 49,322 |
| Countries with the Most Sheep | 0 | - | 4.88 | 86,528 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 53,683 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,117 |
| Animal Populations of Countries | 0 | - | 4.51 | 42,743 |