| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,726 |
| Plants by Picture | 0 | - | 4.24 | 14,480 |
| Streets with Tree Names | 0 | - | 4.19 | 28,958 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,989 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,107 |
| Animal Varieties #3 | 0 | - | 4.54 | 55,466 |
| Dinosaur Trivia | 0 | - | 4.36 | 22,149 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,754 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,573 |
| Trees in the Answer | 0 | - | 4.25 | 45,886 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,748 |
| Deadly Animals | 0 | - | 4.03 | 110,675 |
| Famous Animals #1 | 0 | - | 4.03 | 239,794 |
| Famous Animals #2 | 0 | - | 4.02 | 57,535 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,361 |
| Animal Facts | 0 | - | 4.15 | 43,009 |
| Cat Knowledge | 0 | - | 4.48 | 25,830 |
| Cow Knowledge | 0 | - | 4.46 | 24,282 |
| Elephant Knowledge | 0 | - | 4.41 | 23,982 |
| Human Taxonomy | 0 | - | 4.68 | 18,933 |
| Types of Bears | 0 | - | 4.51 | 143,828 |
| Bear Knowledge | 0 | - | 4.54 | 35,115 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,248 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,780 |
| World's Longest Rivers | 0 | - | 4.90 | 137,071 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,405 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,271 |
| Pack Animals | 0 | - | 4.18 | 10,400 |
| Lion Trivia | 0 | - | 4.19 | 16,415 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,684 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,524 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,410 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,985 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,972 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,592 |
| Seas on the World Map | 0 | - | 4.96 | 135,565 |
| Seas of the World | 0 | - | 5.00 | 157,473 |
| French Animal Words | 0 | - | 4.44 | 134,665 |
| Spanish Animal Words | 0 | - | 4.53 | 95,809 |
| Horse Knowledge | 0 | - | 4.46 | 24,080 |
| Snake Knowledge | 0 | - | 4.49 | 18,834 |
| Geologic Time Scale | 0 | - | 4.41 | 10,036 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,037 |
| Primate Knowledge | 0 | - | 4.17 | 15,320 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,481 |
| Fish Knowledge | 0 | - | 4.38 | 25,680 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,026 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,259 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,258 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,660 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,745 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,496 |
| Famous Rivers | 0 | - | 4.75 | 105,073 |
| City to River #1 | 0 | - | 4.59 | 35,865 |
| Most Populous River Basins | 0 | - | 4.55 | 39,748 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,392 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,923 |
| Gulfs and Bays on the World Map | 0 | - | 4.61 | 30,308 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,030 |
| Rivers by City | 0 | - | 4.38 | 31,741 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,120 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,040 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,763 |
| Rivers on Borders | 0 | - | 4.02 | 22,711 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,030 |
| Bear in the Answers | 0 | - | 4.29 | 62,114 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,797 |
| Megadiverse Countries | 0 | - | 4.96 | 135,045 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,882 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,202 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,972 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,821 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,308 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,845 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,484 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,717 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,191 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,631 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,563 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,848 |
| Animal Sounds | 0 | - | 4.26 | 191,826 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,440 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,355 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,102 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,649 |
| Big Cats | 0 | - | 3.91 | 67,850 |
| Famous Cats | 0 | - | 4.08 | 18,074 |
| National Animals | 0 | - | 4.24 | 89,779 |
| Words that are Animals | 0 | - | 3.85 | 41,489 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,563 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,466 |
| Mammals in the Answer | 0 | - | 4.35 | 29,977 |
| Extinct Animals | 0 | - | 4.16 | 27,531 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,006 |
| Name that Bug | 0 | - | 4.12 | 45,590 |
| Disney Animals | 0 | - | 4.27 | 240,173 |
| Animal Adjectives | 0 | - | 4.77 | 60,080 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,637 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,149 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,749 |
| Animals of Australia | 0 | - | 4.52 | 42,378 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,438 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,505 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,678 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,885 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,081 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,998 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,986 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,307 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,159 |
| Animal Decoder | 0 | - | 4.06 | 15,553 |
| Animal Group Names | 0 | - | 4.07 | 23,230 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,283 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,773 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,315 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,464 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,400 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,042 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,809 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,423 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,939 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,278 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,316 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,906 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,576 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,320 |
| Brand-Name Animals | 0 | - | 4.16 | 74,572 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,275 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,738 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,276 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,666 |
| Animals in the News | 0 | - | 4.37 | 26,809 |
| U.S. States with the Most Venomous Snake Species | 0 | - | 4.47 | 26,449 |
| Animal Emojis | 0 | - | 4.74 | 84,846 |
| Top 10 U.S. States With the Most Endemic Species | 0 | - | 4.50 | 22,488 |
| U.S. States with the Most Endangered Species | 0 | - | 4.50 | 14,377 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,423 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,847 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,365 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,589 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,648 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,616 |
| Australian Animals By Picture | 0 | - | 4.45 | 31,676 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,287 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,210 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,821 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,516 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,619 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,791 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,340 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,362 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,042 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,752 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,325 |
| Dog in the Answers | 0 | - | 4.16 | 68,751 |
| Famous Pets | 0 | - | 3.98 | 30,466 |
| Famous Dogs | 0 | - | 4.02 | 28,008 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.15 | 113,412 |
| Dog Knowledge | 0 | - | 4.46 | 34,472 |
| U.S. State Birds | 0 | - | 4.31 | 21,426 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,153 |
| Birds in the Answer | 0 | - | 4.56 | 52,881 |
| Bird in the Answers | 0 | - | 4.11 | 33,817 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,831 |
| Birds A-Z | 0 | - | 4.24 | 36,566 |
| Largest Types of Birds | 0 | - | 4.19 | 26,992 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,924 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,754 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,209 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,675 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,578 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,864 |
| Animals that Start with A | 0 | - | 4.26 | 112,250 |
| Animals that Start with B | 0 | - | 4.31 | 113,960 |
| Animals that Start with C | 0 | - | 4.21 | 93,374 |
| Animals that Start with D | 0 | - | 4.25 | 87,123 |
| Animals that Start with E | 0 | - | 4.28 | 74,047 |
| Animals that Start with F | 0 | - | 4.28 | 107,267 |
| Animals that Start with G | 0 | - | 4.25 | 80,275 |
| Animals that Start with K | 0 | - | 4.07 | 66,648 |
| Animals that Start with L | 0 | - | 4.47 | 102,260 |
| Animals that Start with M | 0 | - | 4.23 | 84,171 |
| Animals that Start with P | 0 | - | 4.45 | 86,308 |
| Animals that Start with R | 0 | - | 4.28 | 87,537 |
| Animals that Start with S | 0 | - | 4.49 | 87,512 |
| Animals that Start with T | 0 | - | 4.32 | 91,945 |
| Animals that Start with H | 0 | - | 4.31 | 86,458 |
| Animals that Start with O | 0 | - | 4.27 | 88,702 |
| Animals that Start with N | 0 | - | 3.73 | 31,763 |
| Animals that Start with W | 0 | - | 4.36 | 47,261 |
| Horse Vocabulary | 0 | - | 4.23 | 22,765 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,111 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,618 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,907 |
| Geological Extremes | 0 | - | 4.34 | 40,064 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,820 |
| Landforms by Country | 0 | - | 4.52 | 51,986 |
| U.S. States by Landform Quiz | 0 | - | 4.00 | 26,860 |
| Movies with Landforms in the Name | 0 | - | 4.16 | 50,480 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,544 |
