| Animal Varieties #1 | 0 | - | 4.48 | 93,404 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,169 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,669 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,947 |
| Deadly Animals | 0 | - | 4.02 | 110,829 |
| Famous Animals #1 | 0 | - | 4.03 | 240,009 |
| Famous Animals #2 | 0 | - | 4.02 | 57,598 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,426 |
| Animal Facts | 0 | - | 4.15 | 43,050 |
| Cat Knowledge | 0 | - | 4.49 | 25,883 |
| Cow Knowledge | 0 | - | 4.46 | 24,315 |
| Elephant Knowledge | 0 | - | 4.41 | 24,012 |
| Human Taxonomy | 0 | - | 4.70 | 18,997 |
| Types of Bears | 0 | - | 4.50 | 143,959 |
| Bear Knowledge | 0 | - | 4.54 | 35,175 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,372 |
| Pack Animals | 0 | - | 4.20 | 10,443 |
| Lion Trivia | 0 | - | 4.19 | 16,444 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,731 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,577 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,458 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,015 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,631 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,501 |
| Name that Bug | 0 | - | 4.12 | 45,650 |
| Bird in the Answers | 0 | - | 4.11 | 33,989 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,249 |
| Horse Knowledge | 0 | - | 4.46 | 24,140 |
| Snake Knowledge | 0 | - | 4.49 | 18,880 |
| French Animal Words | 0 | - | 4.44 | 135,037 |
| Spanish Animal Words | 0 | - | 4.53 | 95,993 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,834 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,401 |
| Words that are Animals | 0 | - | 3.85 | 41,518 |
| Extinct Animals | 0 | - | 4.13 | 27,585 |
| Primate Knowledge | 0 | - | 4.17 | 15,351 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,390 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,316 |
| Animals in the News | 0 | - | 4.37 | 26,841 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,516 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,815 |
| Largest Types of Birds | 0 | - | 4.19 | 27,026 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,785 |
| Fish Knowledge | 0 | - | 4.38 | 25,757 |
| Animals that Start with L | 0 | - | 4.47 | 102,469 |
| Animals that Start with P | 0 | - | 4.45 | 86,496 |
| Animals that Start with S | 0 | - | 4.49 | 87,696 |
| Megadiverse Countries | 0 | - | 4.96 | 145,183 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,172 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,477 |
| Mammals in the Answer | 0 | - | 4.35 | 30,004 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,468 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,939 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,538 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,732 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,925 |
| Animal Decoder | 0 | - | 4.06 | 15,602 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,323 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,987 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,774 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,823 |
| Animals that Start with A | 0 | - | 4.26 | 112,469 |
| Animals that Start with B | 0 | - | 4.31 | 114,177 |
| Animals that Start with C | 0 | - | 4.21 | 93,563 |
| Animals that Start with D | 0 | - | 4.25 | 87,292 |
| Animals that Start with E | 0 | - | 4.28 | 74,200 |
| Animals that Start with F | 0 | - | 4.28 | 107,475 |
| Animals that Start with G | 0 | - | 4.25 | 80,416 |
| Animals that Start with K | 0 | - | 4.07 | 66,761 |
| Animals that Start with M | 0 | - | 4.23 | 84,303 |
| Animals that Start with R | 0 | - | 4.28 | 87,692 |
| Animals that Start with T | 0 | - | 4.32 | 92,140 |
| Animals that Start with H | 0 | - | 4.31 | 86,596 |
| Animals that Start with O | 0 | - | 4.27 | 88,845 |
| Animals that Start with W | 0 | - | 4.36 | 47,388 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,179 |
| Countries with Fjords | 0 | - | 4.94 | 101,483 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,923 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,723 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,395 |
| Animals that Start with N | 0 | - | 3.73 | 31,852 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,897 |
| World's Longest Rivers | 0 | - | 4.89 | 137,691 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,669 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,934 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,615 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,376 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,923 |
| Countries With No Rivers | 0 | - | 4.96 | 77,208 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,075 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,202 |
| North Sea Countries | 0 | - | 4.92 | 87,741 |
| Black Sea Countries | 0 | - | 4.87 | 60,775 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,626 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,724 |
| Seas on the World Map | 0 | - | 4.96 | 136,031 |
| Seas of the World | 0 | - | 5.00 | 158,636 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,402 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,163 |
| Animal Adjectives | 0 | - | 4.77 | 60,219 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,124 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,037 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,506 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,497 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,672 |
| Geologic Time Scale | 0 | - | 4.41 | 10,071 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,040 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,170 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,032 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,849 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,964 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,302 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,497 |
| Animal Sounds | 0 | - | 4.27 | 192,068 |
| Animals of Australia | 0 | - | 4.53 | 42,502 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,628 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,498 |
| Animal Emojis | 0 | - | 4.74 | 85,330 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,087 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,910 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,524 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,364 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,083 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,586 |
| Birds in the Answer | 0 | - | 4.56 | 52,934 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,012 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,854 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,035 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,318 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,292 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,733 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,953 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,679 |
| Famous Rivers | 0 | - | 4.75 | 105,278 |
| City to River #1 | 0 | - | 4.59 | 35,907 |
| Most Populous River Basins | 0 | - | 4.55 | 39,822 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,499 |
| Seas that Touch the Most Countries | 0 | - | 4.64 | 97,141 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,284 |
| Flowers by Picture | 0 | - | 4.46 | 105,883 |
| Plants by Picture | 0 | - | 4.24 | 14,527 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,193 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,750 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,481 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,747 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,504 |
| Dog Knowledge | 0 | - | 4.46 | 34,563 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,424 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,080 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,752 |
| Rivers by City | 0 | - | 4.38 | 31,782 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,245 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,094 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 414,251 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,395 |
| Trees in the Answer | 0 | - | 4.23 | 45,942 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,105 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,689 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,805 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,616 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,906 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,750 |
| Animal Group Names | 0 | - | 4.07 | 23,293 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,823 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,827 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 114,182 |
| Birds A-Z | 0 | - | 4.24 | 36,639 |
| Bear in the Answers | 0 | - | 4.29 | 62,284 |
| Biggest City by River | 0 | - | 4.38 | 52,969 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,115 |
| Disney Animals | 0 | - | 4.27 | 241,128 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,037 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,249 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,358 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,749 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,235 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,866 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,436 |
| Horse Vocabulary | 0 | - | 4.23 | 22,807 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,321 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,902 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,374 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,120 |
| Brand-Name Animals | 0 | - | 4.16 | 74,693 |
| Dog in the Answers | 0 | - | 4.16 | 68,874 |
| Famous Dogs | 0 | - | 4.02 | 28,041 |
| Big Cats | 0 | - | 3.91 | 67,910 |
| Famous Cats | 0 | - | 4.09 | 18,103 |
| Rivers on Borders | 0 | - | 4.02 | 22,743 |
| Rivers A-Z | 0 | - | 4.35 | 32,865 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,062 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,714 |
| Famous Pets | 0 | - | 3.98 | 30,498 |
| National Animals | 0 | - | 4.24 | 90,241 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,635 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,753 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,698 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,727 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,198 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,882 |
