| Animal Varieties Quiz #1 | 0 | - | 4.48 | 92,374 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,957 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,068 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,393 |
| Deadly Animals | 0 | - | 4.03 | 109,865 |
| Famous Animals #1 | 0 | - | 4.03 | 238,780 |
| Famous Animals #2 | 0 | - | 4.02 | 57,316 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,141 |
| Animal Facts | 0 | - | 4.15 | 42,902 |
| Cat Knowledge | 0 | - | 4.49 | 25,715 |
| Cow Knowledge | 0 | - | 4.46 | 24,161 |
| Elephant Knowledge | 0 | - | 4.41 | 23,897 |
| Human Taxonomy | 0 | - | 4.68 | 18,832 |
| Types of Bears | 0 | - | 4.51 | 143,069 |
| Bear Knowledge | 0 | - | 4.54 | 34,977 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 55,964 |
| Pack Animals | 0 | - | 4.23 | 10,330 |
| Lion Trivia | 0 | - | 4.19 | 16,364 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,593 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,438 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,298 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,907 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,375 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,346 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Bird in the Answers | 0 | - | 4.10 | 33,247 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,094 |
| Horse Knowledge | 0 | - | 4.45 | 23,934 |
| Snake Knowledge | 0 | - | 4.49 | 18,722 |
| French Animal Words | 0 | - | 4.44 | 133,617 |
| Spanish Animal Words | 0 | - | 4.53 | 95,345 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,500 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,539 |
| Words that are Animals | 0 | - | 3.88 | 41,405 |
| Extinct Animals | 0 | - | 4.18 | 27,399 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,778 |
| Primate Knowledge | 0 | - | 4.17 | 15,263 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,222 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,208 |
| Animals in the News | 0 | - | 4.37 | 26,710 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,385 |
| Animals: No Vowels #2 | 0 | - | 4.57 | 21,425 |
| Largest Types of Birds | 0 | - | 4.19 | 26,888 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,678 |
| Fish Knowledge | 0 | - | 4.38 | 25,483 |
| Animals that Start with L | 0 | - | 4.47 | 101,215 |
| Animals that Start with P | 0 | - | 4.45 | 85,609 |
| Animals that Start with S | 0 | - | 4.49 | 86,773 |
| Megadiverse Countries | 0 | - | 4.97 | 133,853 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,409 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,333 |
| Mammals in the Answer | 0 | - | 4.35 | 29,917 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,295 |
| Animals A-Z #2 | 0 | - | 4.11 | 66,028 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,513 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,756 |
| Animal Decoder | 0 | - | 4.06 | 15,457 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,191 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,187 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,598 |
| Animals that Start with A | 0 | - | 4.26 | 111,194 |
| Animals that Start with B | 0 | - | 4.31 | 112,682 |
| Animals that Start with C | 0 | - | 4.23 | 92,179 |
| Animals that Start with D | 0 | - | 4.25 | 86,107 |
| Animals that Start with E | 0 | - | 4.28 | 73,357 |
| Animals that Start with F | 0 | - | 4.28 | 106,483 |
| Animals that Start with G | 0 | - | 4.25 | 79,644 |
| Animals that Start with K | 0 | - | 4.06 | 66,162 |
| Animals that Start with M | 0 | - | 4.24 | 83,531 |
| Animals that Start with R | 0 | - | 4.27 | 86,600 |
| Animals that Start with T | 0 | - | 4.32 | 90,613 |
| Animals that Start with H | 0 | - | 4.31 | 85,849 |
| Animals that Start with O | 0 | - | 4.27 | 88,190 |
| Animals that Start with W | 0 | - | 4.35 | 46,814 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,352 |
| Countries with Fjords | 0 | - | 4.93 | 100,174 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,260 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,162 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,289 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,419 |
| World's Longest Rivers | 0 | - | 4.87 | 121,004 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 161,685 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,827 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,504 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,817 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,573 |
| Countries With No Rivers | 0 | - | 4.96 | 76,007 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,208 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,732 |
| North Sea Countries | 0 | - | 4.92 | 86,583 |
| Black Sea Countries | 0 | - | 4.87 | 60,321 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,003 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,091 |
| Seas on the World Map | 0 | - | 4.96 | 133,761 |
| Seas of the World | 0 | - | 5.00 | 154,209 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,939 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,571 |
| Animal Adjectives | 0 | - | 4.77 | 59,817 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,942 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,527 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,205 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,896 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,069 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,328 |
| Geologic Time Scale | 0 | - | 4.46 | 9,916 |
| Animals that Start with N | 0 | - | 3.73 | 31,344 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,203 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,669 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,660 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,866 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,633 |
| Biggest Animals by Category | 0 | - | 4.18 | 72,927 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,591 |
| Animal Sounds | 0 | - | 4.26 | 191,128 |
| Animals of Australia | 0 | - | 4.52 | 42,139 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,239 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,196 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,880 |
| Animal Emojis | 0 | - | 4.69 | 83,263 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,049 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,859 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,747 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,884 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,071 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,833 |
| Birds in the Answer | 0 | - | 4.56 | 52,689 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,604 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,730 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,978 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,149 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,140 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,445 |
| Biggest Lakes in the World | 0 | - | 4.62 | 88,976 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,093 |
| Famous Rivers | 0 | - | 4.74 | 104,490 |
| City to River #1 | 0 | - | 4.59 | 35,743 |
| Most Populous River Basins | 0 | - | 4.61 | 39,536 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,103 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 95,908 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,737 |
| Flowers by Picture | 0 | - | 4.46 | 104,996 |
| Plants by Picture | 0 | - | 4.24 | 14,332 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,891 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,457 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,919 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,816 |
| Dog Knowledge | 0 | - | 4.46 | 34,162 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 29,980 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,909 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,302 |
| Biggest City by River | 0 | - | 4.41 | 52,689 |
| Rivers by City | 0 | - | 4.38 | 31,625 |
| City to River #2 - Difficult | 0 | - | 4.63 | 25,759 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,918 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,087 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,159 |
| Trees in the Answer | 0 | - | 4.25 | 45,729 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 183,013 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 128,997 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 107,986 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,463 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,620 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,251 |
| Animal Group Names | 0 | - | 4.06 | 23,098 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,684 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,583 |
| Most Popular Dog Breeds | 0 | - | 4.19 | 110,536 |
| Birds A-Z | 0 | - | 4.24 | 36,332 |
| Bear in the Answers | 0 | - | 4.29 | 61,589 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,346 |
| Disney Animals | 0 | - | 4.27 | 238,540 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,940 |
| Sayings About Animals #4 | 0 | - | 4.21 | 41,921 |
| Largest Land Animals of Asia | 0 | - | 3.62 | 8,252 |
| Fish by Picture #2 | 0 | - | 4.08 | 18,387 |
| Fictional Birds by Picture | 0 | - | 4.29 | 25,863 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,712 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,381 |
| Horse Vocabulary | 0 | - | 4.22 | 22,667 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,177 |
| Big Cats | 0 | - | 3.91 | 67,668 |
| Famous Cats | 0 | - | 4.08 | 17,969 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,548 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,118 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 17,971 |
| Brand-Name Animals | 0 | - | 4.16 | 74,258 |
| Dog in the Answers | 0 | - | 4.16 | 68,334 |
| Famous Dogs | 0 | - | 4.02 | 27,871 |
| Rivers on Borders | 0 | - | 4.02 | 22,634 |
| Rivers A-Z | 0 | - | 4.35 | 32,674 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 27,871 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 205,460 |
| Famous Pets | 0 | - | 3.98 | 30,357 |
| Countries With The Most Bird Species | 0 | - | 4.92 | 32,305 |
| National Animals | 0 | - | 4.24 | 89,132 |
| Countries with Wild Tigers | 0 | - | 4.96 | 135,569 |
| Countries with Wild Penguins | 0 | - | 4.94 | 99,283 |
| Countries with More Cows than People | 0 | - | 4.43 | 54,605 |
| Countries with the Most Sheep | 0 | - | 4.92 | 102,361 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,602 |
