| Animal Varieties #1 | 0 | - | 4.48 | 92,469 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,983 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,136 |
| Fish Knowledge | 0 | - | 4.38 | 25,510 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,443 |
| Types of Bears | 0 | - | 4.51 | 143,136 |
| Deadly Animals | 0 | - | 4.03 | 109,938 |
| Famous Animals #1 | 0 | - | 4.03 | 238,881 |
| Famous Animals #2 | 0 | - | 4.02 | 57,337 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,157 |
| Animal Facts | 0 | - | 4.15 | 42,918 |
| Cat Knowledge | 0 | - | 4.49 | 25,731 |
| Bear Knowledge | 0 | - | 4.54 | 35,000 |
| Cow Knowledge | 0 | - | 4.46 | 24,179 |
| Elephant Knowledge | 0 | - | 4.41 | 23,910 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,004 |
| Human Taxonomy | 0 | - | 4.68 | 18,859 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,240 |
| French Animal Words | 0 | - | 4.44 | 133,835 |
| Spanish Animal Words | 0 | - | 4.53 | 95,425 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,533 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,657 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,412 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,369 |
| Name that Bug | 0 | - | 4.12 | 45,463 |
| Pack Animals | 0 | - | 4.23 | 10,337 |
| Lion Trivia | 0 | - | 4.19 | 16,374 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,611 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,459 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,308 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,920 |
| Bird in the Answers | 0 | - | 4.10 | 33,316 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,117 |
| Horse Knowledge | 0 | - | 4.45 | 23,956 |
| Snake Knowledge | 0 | - | 4.49 | 18,745 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,877 |
| Animals that Start with L | 0 | - | 4.47 | 101,548 |
| Animals that Start with P | 0 | - | 4.45 | 85,772 |
| Animals that Start with S | 0 | - | 4.49 | 86,964 |
| Animals: No Vowels #2 | 0 | - | 4.57 | 21,611 |
| Words that are Animals | 0 | - | 3.88 | 41,423 |
| Extinct Animals | 0 | - | 4.18 | 27,423 |
| Primate Knowledge | 0 | - | 4.17 | 15,272 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,241 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,217 |
| Animals in the News | 0 | - | 4.37 | 26,728 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,399 |
| Largest Types of Birds | 0 | - | 4.19 | 26,906 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,694 |
| Megadiverse Countries | 0 | - | 4.97 | 133,971 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,612 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,360 |
| Mammals in the Answer | 0 | - | 4.35 | 29,925 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,429 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,090 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,536 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,777 |
| Animal Decoder | 0 | - | 4.06 | 15,473 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,204 |
| Animals that Start with A | 0 | - | 4.26 | 111,631 |
| Animals that Start with B | 0 | - | 4.31 | 113,322 |
| Animals that Start with C | 0 | - | 4.23 | 92,478 |
| Animals that Start with D | 0 | - | 4.25 | 86,609 |
| Animals that Start with E | 0 | - | 4.28 | 73,578 |
| Animals that Start with F | 0 | - | 4.28 | 106,703 |
| Animals that Start with G | 0 | - | 4.25 | 79,835 |
| Animals that Start with K | 0 | - | 4.07 | 66,320 |
| Animals that Start with M | 0 | - | 4.23 | 83,695 |
| Animals that Start with R | 0 | - | 4.27 | 87,081 |
| Animals that Start with T | 0 | - | 4.32 | 90,757 |
| Animals that Start with H | 0 | - | 4.31 | 86,002 |
| Animals that Start with O | 0 | - | 4.27 | 88,323 |
| Animals that Start with W | 0 | - | 4.36 | 46,937 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,418 |
| Countries with Fjords | 0 | - | 4.93 | 100,274 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,334 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,218 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,300 |
| World's Longest Rivers | 0 | - | 4.88 | 121,215 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 162,102 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,839 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,516 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,491 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,955 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,714 |
| Countries With No Rivers | 0 | - | 4.96 | 76,087 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,322 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,772 |
| North Sea Countries | 0 | - | 4.92 | 86,662 |
| Black Sea Countries | 0 | - | 4.87 | 60,365 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,060 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,149 |
| Seas on the World Map | 0 | - | 4.96 | 134,439 |
| Seas of the World | 0 | - | 5.00 | 154,664 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,978 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,751 |
| Animal Adjectives | 0 | - | 4.77 | 59,855 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,054 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,015 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,308 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,967 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,209 |
| Animals that Start with N | 0 | - | 3.73 | 31,468 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,353 |
| Geologic Time Scale | 0 | - | 4.46 | 9,933 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,295 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,720 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,830 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,979 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,696 |
| Biggest Animals by Category | 0 | - | 4.18 | 72,970 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,684 |
| Animal Sounds | 0 | - | 4.26 | 191,246 |
| Animals of Australia | 0 | - | 4.52 | 42,180 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,272 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,237 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,940 |
| Animal Emojis | 0 | - | 4.70 | 83,424 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,154 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,990 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,813 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,937 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,202 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,921 |
| Birds in the Answer | 0 | - | 4.56 | 52,710 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,650 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,740 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,174 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,161 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,479 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,054 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,144 |
| Famous Rivers | 0 | - | 4.74 | 104,583 |
| City to River #1 | 0 | - | 4.59 | 35,757 |
| Most Populous River Basins | 0 | - | 4.61 | 39,568 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,142 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 95,977 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,793 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,284 |
| Flowers by Picture | 0 | - | 4.46 | 105,049 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,920 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,484 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,012 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,906 |
| Dog Knowledge | 0 | - | 4.46 | 34,203 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,982 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,043 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,920 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,341 |
| Biggest City by River | 0 | - | 4.41 | 52,709 |
| Rivers by City | 0 | - | 4.38 | 31,650 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,813 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,931 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,433 |
| Plants by Picture | 0 | - | 4.24 | 14,357 |
| Trees in the Answer | 0 | - | 4.25 | 45,755 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 183,111 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,080 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,056 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,485 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,642 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,372 |
| Animal Group Names | 0 | - | 4.06 | 23,116 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,702 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,429 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,613 |
| Most Popular Dog Breeds | 0 | - | 4.19 | 110,636 |
| Fictional Birds by Picture | 0 | - | 4.29 | 25,909 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,727 |
| Birds A-Z | 0 | - | 4.24 | 36,382 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,384 |
| Horse Vocabulary | 0 | - | 4.22 | 22,678 |
| Bear in the Answers | 0 | - | 4.29 | 61,644 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,194 |
| Big Cats | 0 | - | 3.91 | 67,693 |
| Famous Cats | 0 | - | 4.08 | 17,990 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,393 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,580 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,136 |
| Disney Animals | 0 | - | 4.27 | 238,806 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 17,990 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,949 |
| Sayings About Animals #4 | 0 | - | 4.21 | 41,952 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,262 |
| Brand-Name Animals | 0 | - | 4.16 | 74,316 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,602 |
| Dog in the Answers | 0 | - | 4.16 | 68,378 |
| Famous Dogs | 0 | - | 4.02 | 27,882 |
| Rivers on Borders | 0 | - | 4.02 | 22,643 |
| Rivers A-Z | 0 | - | 4.35 | 32,704 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 27,891 |
| Famous Pets | 0 | - | 3.98 | 30,371 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,501 |
| National Animals | 0 | - | 4.24 | 89,181 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,724 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,390 |
| Countries with More Cows than People | 0 | - | 4.43 | 57,146 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,510 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,670 |
| U.S. States with More Cows than People | 0 | - | 4.63 | 40,452 |
