| Animal Varieties #1 | 0 | - | 4.48 | 93,406 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,170 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,672 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,953 |
| Deadly Animals | 0 | - | 4.02 | 110,835 |
| Famous Animals #1 | 0 | - | 4.03 | 240,021 |
| Famous Animals #2 | 0 | - | 4.02 | 57,600 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,426 |
| Animal Facts | 0 | - | 4.15 | 43,051 |
| Cat Knowledge | 0 | - | 4.49 | 25,884 |
| Cow Knowledge | 0 | - | 4.46 | 24,316 |
| Elephant Knowledge | 0 | - | 4.41 | 24,013 |
| Human Taxonomy | 0 | - | 4.70 | 18,997 |
| Types of Bears | 0 | - | 4.50 | 143,965 |
| Bear Knowledge | 0 | - | 4.54 | 35,177 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,383 |
| French Animal Words | 0 | - | 4.44 | 135,045 |
| Spanish Animal Words | 0 | - | 4.53 | 95,997 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,632 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,503 |
| Name that Bug | 0 | - | 4.12 | 45,652 |
| Pack Animals | 0 | - | 4.20 | 10,443 |
| Lion Trivia | 0 | - | 4.19 | 16,444 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,734 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,578 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,462 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,017 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,839 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,407 |
| Bird in the Answers | 0 | - | 4.11 | 33,999 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,251 |
| Horse Knowledge | 0 | - | 4.46 | 24,140 |
| Snake Knowledge | 0 | - | 4.49 | 18,883 |
| Animals that Start with L | 0 | - | 4.47 | 102,485 |
| Animals that Start with P | 0 | - | 4.45 | 86,509 |
| Animals that Start with S | 0 | - | 4.49 | 87,708 |
| Words that are Animals | 0 | - | 3.85 | 41,519 |
| Extinct Animals | 0 | - | 4.13 | 27,588 |
| Primate Knowledge | 0 | - | 4.17 | 15,352 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,392 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,317 |
| 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 | 22,825 |
| Largest Types of Birds | 0 | - | 4.19 | 27,027 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,785 |
| Fish Knowledge | 0 | - | 4.38 | 25,761 |
| Megadiverse Countries | 0 | - | 4.96 | 146,727 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,187 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,477 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,944 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,545 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,781 |
| Animals that Start with A | 0 | - | 4.26 | 112,504 |
| Animals that Start with B | 0 | - | 4.31 | 114,325 |
| Animals that Start with C | 0 | - | 4.21 | 93,589 |
| Animals that Start with D | 0 | - | 4.25 | 87,315 |
| Animals that Start with E | 0 | - | 4.28 | 74,216 |
| Animals that Start with F | 0 | - | 4.28 | 107,493 |
| Animals that Start with G | 0 | - | 4.25 | 80,433 |
| Animals that Start with K | 0 | - | 4.07 | 66,770 |
| Animals that Start with M | 0 | - | 4.23 | 84,311 |
| Animals that Start with R | 0 | - | 4.28 | 87,701 |
| Animals that Start with T | 0 | - | 4.32 | 92,145 |
| Animals that Start with H | 0 | - | 4.31 | 86,612 |
| Animals that Start with O | 0 | - | 4.27 | 88,852 |
| Animals that Start with W | 0 | - | 4.36 | 47,393 |
| Mammals in the Answer | 0 | - | 4.35 | 30,006 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,480 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,735 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,926 |
| Animal Decoder | 0 | - | 4.06 | 15,606 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,323 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,999 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,824 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,196 |
| Countries with Fjords | 0 | - | 4.94 | 101,507 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,925 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,726 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,395 |
| Animals that Start with N | 0 | - | 3.73 | 31,862 |
| World's Longest Rivers | 0 | - | 4.89 | 137,709 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,706 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,903 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,936 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,620 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,400 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,937 |
| Countries With No Rivers | 0 | - | 4.96 | 77,222 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,091 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,211 |
| North Sea Countries | 0 | - | 4.92 | 87,749 |
| Black Sea Countries | 0 | - | 4.87 | 60,779 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,638 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,729 |
| Seas on the World Map | 0 | - | 4.96 | 136,046 |
| Seas of the World | 0 | - | 5.00 | 158,670 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,407 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,174 |
| Animal Adjectives | 0 | - | 4.77 | 60,225 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,135 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,043 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,512 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,505 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,676 |
| Geologic Time Scale | 0 | - | 4.41 | 10,072 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,046 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,174 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,048 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,858 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,964 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,304 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,508 |
| Animal Sounds | 0 | - | 4.27 | 192,076 |
| Animals of Australia | 0 | - | 4.53 | 42,510 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,632 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,501 |
| Animal Emojis | 0 | - | 4.74 | 85,357 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,094 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,918 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,530 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,367 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,091 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,591 |
| Birds in the Answer | 0 | - | 4.56 | 52,936 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,015 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,855 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,318 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,295 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,735 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,963 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,683 |
| Famous Rivers | 0 | - | 4.75 | 105,287 |
| City to River #1 | 0 | - | 4.59 | 35,910 |
| Most Populous River Basins | 0 | - | 4.55 | 39,823 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,503 |
| Seas that Touch the Most Countries | 0 | - | 4.64 | 97,150 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,293 |
| Flowers by Picture | 0 | - | 4.46 | 105,885 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,198 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,753 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,489 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,753 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,512 |
| Dog Knowledge | 0 | - | 4.46 | 34,588 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,035 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,428 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,082 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,757 |
| Rivers by City | 0 | - | 4.38 | 31,782 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,249 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,096 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 414,287 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,411 |
| Plants by Picture | 0 | - | 4.24 | 14,527 |
| Trees in the Answer | 0 | - | 4.23 | 45,944 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,114 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,691 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,807 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,617 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,911 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,754 |
| Animal Group Names | 0 | - | 4.07 | 23,295 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,824 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,828 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 116,064 |
| Birds A-Z | 0 | - | 4.24 | 36,642 |
| Bear in the Answers | 0 | - | 4.29 | 62,289 |
| Biggest City by River | 0 | - | 4.38 | 52,972 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,117 |
| Disney Animals | 0 | - | 4.27 | 241,147 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,039 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,255 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,358 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,753 |
| Famous Dogs | 0 | - | 4.02 | 28,064 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,238 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,867 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,436 |
| Horse Vocabulary | 0 | - | 4.23 | 22,808 |
| Big Cats | 0 | - | 3.91 | 67,921 |
| Rivers on Borders | 0 | - | 4.02 | 22,743 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,322 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,904 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,378 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,124 |
| Brand-Name Animals | 0 | - | 4.16 | 74,702 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,732 |
| Dog in the Answers | 0 | - | 4.16 | 68,893 |
| Famous Cats | 0 | - | 4.09 | 18,110 |
| Rivers A-Z | 0 | - | 4.35 | 32,867 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,063 |
| Famous Pets | 0 | - | 3.98 | 30,517 |
| National Animals | 0 | - | 4.24 | 90,243 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,666 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,793 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,704 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,744 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,203 |
| U.S. States with More Cows than People | 0 | - | 4.74 | 47,885 |
