| Animal Varieties #1 | 0 | - | 4.48 | 92,937 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,096 |
| Animal Varieties #3 | 0 | - | 4.54 | 55,432 |
| Animal Stereotypes | 0 | - | 4.48 | 37,294 |
| Fish Knowledge | 0 | - | 4.38 | 25,660 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,709 |
| Types of Bears | 0 | - | 4.51 | 143,772 |
| Deadly Animals | 0 | - | 4.03 | 110,628 |
| Famous Animals #1 | 0 | - | 4.03 | 239,727 |
| Famous Animals #2 | 0 | - | 4.02 | 57,518 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,330 |
| Animal Facts | 0 | - | 4.15 | 42,995 |
| Cat Knowledge | 0 | - | 4.48 | 25,812 |
| Bear Knowledge | 0 | - | 4.54 | 35,097 |
| Cow Knowledge | 0 | - | 4.46 | 24,270 |
| Elephant Knowledge | 0 | - | 4.41 | 23,967 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,216 |
| Human Taxonomy | 0 | - | 4.68 | 18,919 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,535 |
| French Animal Words | 0 | - | 4.44 | 134,532 |
| Spanish Animal Words | 0 | - | 4.53 | 95,767 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,705 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,145 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,539 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,454 |
| Name that Bug | 0 | - | 4.12 | 45,573 |
| Pack Animals | 0 | - | 4.18 | 10,387 |
| Lion Trivia | 0 | - | 4.19 | 16,411 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,675 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,515 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,394 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,974 |
| Bird in the Answers | 0 | - | 4.11 | 33,741 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,196 |
| Horse Knowledge | 0 | - | 4.46 | 24,065 |
| Snake Knowledge | 0 | - | 4.49 | 18,824 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,678 |
| Animals that Start with L | 0 | - | 4.47 | 102,169 |
| Animals that Start with P | 0 | - | 4.45 | 86,195 |
| Animals that Start with S | 0 | - | 4.49 | 87,412 |
| Animals: No Vowels #2 | 0 | - | 4.50 | 22,317 |
| Words that are Animals | 0 | - | 3.88 | 41,475 |
| Extinct Animals | 0 | - | 4.16 | 27,517 |
| Primate Knowledge | 0 | - | 4.17 | 15,312 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,306 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,265 |
| Animals in the News | 0 | - | 4.37 | 26,800 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,470 |
| Largest Types of Birds | 0 | - | 4.19 | 26,980 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,741 |
| Megadiverse Countries | 0 | - | 4.96 | 134,948 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,594 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,426 |
| Mammals in the Answer | 0 | - | 4.35 | 29,967 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,026 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,397 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,660 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,871 |
| Animal Decoder | 0 | - | 4.06 | 15,542 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,275 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,586 |
| Animals that Start with A | 0 | - | 4.26 | 112,155 |
| Animals that Start with B | 0 | - | 4.31 | 113,856 |
| Animals that Start with C | 0 | - | 4.21 | 93,290 |
| Animals that Start with D | 0 | - | 4.25 | 87,033 |
| Animals that Start with E | 0 | - | 4.28 | 73,968 |
| Animals that Start with F | 0 | - | 4.28 | 107,184 |
| Animals that Start with G | 0 | - | 4.25 | 80,205 |
| Animals that Start with K | 0 | - | 4.07 | 66,590 |
| Animals that Start with M | 0 | - | 4.23 | 84,079 |
| Animals that Start with R | 0 | - | 4.27 | 87,448 |
| Animals that Start with T | 0 | - | 4.32 | 91,509 |
| Animals that Start with H | 0 | - | 4.31 | 86,393 |
| Animals that Start with O | 0 | - | 4.27 | 88,632 |
| Animals that Start with W | 0 | - | 4.36 | 47,197 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,867 |
| Countries with Fjords | 0 | - | 4.94 | 100,972 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,717 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,522 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,346 |
| Animals that Start with N | 0 | - | 3.73 | 31,705 |
| World's Longest Rivers | 0 | - | 4.90 | 136,886 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,073 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,895 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,569 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,751 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,861 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,513 |
| Countries With No Rivers | 0 | - | 4.96 | 76,861 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,204 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,041 |
| North Sea Countries | 0 | - | 4.92 | 87,438 |
| Black Sea Countries | 0 | - | 4.87 | 60,628 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,410 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,511 |
| Seas on the World Map | 0 | - | 4.96 | 135,444 |
| Seas of the World | 0 | - | 5.00 | 157,158 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,254 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,567 |
| Animal Adjectives | 0 | - | 4.77 | 60,040 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,356 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,712 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,283 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,913 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,531 |
| Geologic Time Scale | 0 | - | 4.41 | 10,025 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,749 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,996 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,591 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,517 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,844 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,166 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,112 |
| Animal Sounds | 0 | - | 4.26 | 191,755 |
| Animals of Australia | 0 | - | 4.52 | 42,346 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,470 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,394 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,210 |
| Animal Emojis | 0 | - | 4.74 | 84,702 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,596 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,525 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,198 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,168 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,732 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,291 |
| Birds in the Answer | 0 | - | 4.56 | 52,856 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,897 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,812 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,249 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,241 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,641 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,679 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,431 |
| Famous Rivers | 0 | - | 4.75 | 105,008 |
| City to River #1 | 0 | - | 4.59 | 35,854 |
| Most Populous River Basins | 0 | - | 4.55 | 39,730 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,369 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,854 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,108 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,960 |
| Flowers by Picture | 0 | - | 4.46 | 105,693 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 43,079 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,634 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,445 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,255 |
| Dog Knowledge | 0 | - | 4.46 | 34,411 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,023 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,280 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,016 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,573 |
| Rivers by City | 0 | - | 4.38 | 31,729 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,074 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,026 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,234 |
| Plants by Picture | 0 | - | 4.24 | 14,466 |
| Trees in the Answer | 0 | - | 4.25 | 45,861 |
| Bear in the Answers | 0 | - | 4.29 | 62,037 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,767 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,426 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,572 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,554 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,836 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,603 |
| Animal Group Names | 0 | - | 4.07 | 23,211 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,762 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,591 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,732 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.18 | 112,472 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,132 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,818 |
| Birds A-Z | 0 | - | 4.24 | 36,544 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,415 |
| Horse Vocabulary | 0 | - | 4.23 | 22,748 |
| Biggest City by River | 0 | - | 4.38 | 52,871 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,261 |
| Big Cats | 0 | - | 3.91 | 67,818 |
| Famous Cats | 0 | - | 4.08 | 18,057 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,937 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,793 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,291 |
| Disney Animals | 0 | - | 4.27 | 239,997 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,063 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,991 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,130 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,306 |
| Brand-Name Animals | 0 | - | 4.16 | 74,530 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,260 |
| Dog in the Answers | 0 | - | 4.16 | 68,684 |
| Famous Dogs | 0 | - | 4.02 | 27,975 |
| Rivers on Borders | 0 | - | 4.02 | 22,700 |
| Rivers A-Z | 0 | - | 4.35 | 32,789 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 27,997 |
| Famous Pets | 0 | - | 3.98 | 30,446 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,981 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,776 |
| National Animals | 0 | - | 4.24 | 89,725 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,900 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,229 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,371 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,333 |
