| Animal Varieties #1 | 0 | - | 4.48 | 93,167 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,161 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,593 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,852 |
| Deadly Animals | 0 | - | 4.02 | 110,795 |
| Famous Animals #1 | 0 | - | 4.03 | 239,981 |
| Famous Animals #2 | 0 | - | 4.02 | 57,589 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,415 |
| Animal Facts | 0 | - | 4.15 | 43,043 |
| Cat Knowledge | 0 | - | 4.49 | 25,877 |
| Cow Knowledge | 0 | - | 4.46 | 24,313 |
| Elephant Knowledge | 0 | - | 4.41 | 24,010 |
| Human Taxonomy | 0 | - | 4.70 | 18,990 |
| Types of Bears | 0 | - | 4.50 | 143,939 |
| Bear Knowledge | 0 | - | 4.54 | 35,166 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,352 |
| Pack Animals | 0 | - | 4.20 | 10,441 |
| Lion Trivia | 0 | - | 4.19 | 16,438 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,723 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,564 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,453 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,012 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,620 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,498 |
| Name that Bug | 0 | - | 4.12 | 45,635 |
| Bird in the Answers | 0 | - | 4.11 | 33,958 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,243 |
| Horse Knowledge | 0 | - | 4.46 | 24,134 |
| Snake Knowledge | 0 | - | 4.49 | 18,875 |
| French Animal Words | 0 | - | 4.44 | 134,990 |
| Spanish Animal Words | 0 | - | 4.53 | 95,974 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,819 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,369 |
| Words that are Animals | 0 | - | 3.85 | 41,514 |
| Extinct Animals | 0 | - | 4.13 | 27,578 |
| Primate Knowledge | 0 | - | 4.17 | 15,350 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,386 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,309 |
| Animals in the News | 0 | - | 4.37 | 26,839 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,513 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,764 |
| Largest Types of Birds | 0 | - | 4.19 | 27,019 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,781 |
| Fish Knowledge | 0 | - | 4.38 | 25,747 |
| Animals that Start with L | 0 | - | 4.47 | 102,439 |
| Animals that Start with P | 0 | - | 4.45 | 86,471 |
| Animals that Start with S | 0 | - | 4.49 | 87,668 |
| Megadiverse Countries | 0 | - | 4.96 | 135,279 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,111 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,469 |
| Mammals in the Answer | 0 | - | 4.35 | 29,996 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,425 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,915 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,528 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,718 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,919 |
| Animal Decoder | 0 | - | 4.06 | 15,595 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,319 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,938 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,742 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,815 |
| Animals that Start with A | 0 | - | 4.26 | 112,444 |
| Animals that Start with B | 0 | - | 4.31 | 114,149 |
| Animals that Start with C | 0 | - | 4.21 | 93,538 |
| Animals that Start with D | 0 | - | 4.25 | 87,274 |
| Animals that Start with E | 0 | - | 4.28 | 74,177 |
| Animals that Start with F | 0 | - | 4.28 | 107,447 |
| Animals that Start with G | 0 | - | 4.25 | 80,390 |
| Animals that Start with K | 0 | - | 4.07 | 66,743 |
| Animals that Start with M | 0 | - | 4.23 | 84,283 |
| Animals that Start with R | 0 | - | 4.28 | 87,669 |
| Animals that Start with T | 0 | - | 4.32 | 92,114 |
| Animals that Start with H | 0 | - | 4.31 | 86,577 |
| Animals that Start with O | 0 | - | 4.27 | 88,822 |
| Animals that Start with W | 0 | - | 4.36 | 47,367 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,042 |
| Countries with Fjords | 0 | - | 4.94 | 101,326 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,900 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,705 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,387 |
| Animals that Start with N | 0 | - | 3.73 | 31,836 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,877 |
| World's Longest Rivers | 0 | - | 4.90 | 137,599 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,466 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,929 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,612 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,320 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,871 |
| Countries With No Rivers | 0 | - | 4.96 | 77,138 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,012 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,176 |
| North Sea Countries | 0 | - | 4.92 | 87,696 |
| Black Sea Countries | 0 | - | 4.87 | 60,743 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,587 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,677 |
| Seas on the World Map | 0 | - | 4.96 | 135,967 |
| Seas of the World | 0 | - | 5.00 | 158,445 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,370 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,103 |
| Animal Adjectives | 0 | - | 4.77 | 60,200 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,069 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,015 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,479 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,448 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,626 |
| Geologic Time Scale | 0 | - | 4.41 | 10,065 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,999 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,154 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,977 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,810 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,952 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,290 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,458 |
| Animal Sounds | 0 | - | 4.27 | 192,022 |
| Animals of Australia | 0 | - | 4.53 | 42,494 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,614 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,487 |
| Animal Emojis | 0 | - | 4.74 | 85,265 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,059 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,860 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,503 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,345 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,046 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,573 |
| Birds in the Answer | 0 | - | 4.56 | 52,931 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,000 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,850 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,034 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,310 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,288 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,728 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,924 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,660 |
| Famous Rivers | 0 | - | 4.75 | 105,240 |
| City to River #1 | 0 | - | 4.59 | 35,901 |
| Most Populous River Basins | 0 | - | 4.55 | 39,813 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,484 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,112 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,261 |
| Flowers by Picture | 0 | - | 4.46 | 105,865 |
| Plants by Picture | 0 | - | 4.24 | 14,522 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,180 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,738 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,465 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,719 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,487 |
| Dog Knowledge | 0 | - | 4.46 | 34,551 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,408 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,073 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,734 |
| Rivers by City | 0 | - | 4.38 | 31,775 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,220 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,086 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,108 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,358 |
| Trees in the Answer | 0 | - | 4.23 | 45,935 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,079 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,663 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,792 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,604 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,898 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,736 |
| Animal Group Names | 0 | - | 4.07 | 23,285 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,815 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,820 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 114,057 |
| Birds A-Z | 0 | - | 4.24 | 36,622 |
| Bear in the Answers | 0 | - | 4.29 | 62,262 |
| Biggest City by River | 0 | - | 4.38 | 52,963 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,104 |
| Disney Animals | 0 | - | 4.27 | 241,056 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,031 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,240 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,353 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,744 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,226 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,863 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,433 |
| Horse Vocabulary | 0 | - | 4.23 | 22,800 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,316 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,890 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,367 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,114 |
| Brand-Name Animals | 0 | - | 4.16 | 74,674 |
| Dog in the Answers | 0 | - | 4.16 | 68,847 |
| Famous Dogs | 0 | - | 4.02 | 28,037 |
| Big Cats | 0 | - | 3.91 | 67,896 |
| Famous Cats | 0 | - | 4.08 | 18,095 |
| Rivers on Borders | 0 | - | 4.02 | 22,737 |
| Rivers A-Z | 0 | - | 4.35 | 32,856 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,054 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,663 |
| Famous Pets | 0 | - | 3.98 | 30,492 |
| National Animals | 0 | - | 4.24 | 90,219 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,339 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,553 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,655 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,647 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,166 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,876 |
