| Animal Varieties #1 | 0 | - | 4.48 | 93,460 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,192 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,727 |
| Animal Stereotypes | 0 | - | 4.48 | 37,593 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,994 |
| Deadly Animals | 0 | - | 4.02 | 110,879 |
| Famous Animals #1 | 0 | - | 4.03 | 240,093 |
| Famous Animals #2 | 0 | - | 4.02 | 57,627 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,448 |
| Animal Facts | 0 | - | 4.15 | 43,065 |
| Cat Knowledge | 0 | - | 4.49 | 25,894 |
| Cow Knowledge | 0 | - | 4.46 | 24,329 |
| Elephant Knowledge | 0 | - | 4.41 | 24,034 |
| Human Taxonomy | 0 | - | 4.70 | 19,007 |
| Types of Bears | 0 | - | 4.50 | 144,017 |
| Bear Knowledge | 0 | - | 4.54 | 35,193 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,431 |
| Pack Animals | 0 | - | 4.20 | 10,448 |
| Lion Trivia | 0 | - | 4.19 | 16,455 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,742 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,588 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,470 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,662 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,517 |
| Name that Bug | 0 | - | 4.12 | 45,667 |
| Bird in the Answers | 0 | - | 4.11 | 34,052 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,263 |
| Horse Knowledge | 0 | - | 4.46 | 24,160 |
| Snake Knowledge | 0 | - | 4.49 | 18,895 |
| French Animal Words | 0 | - | 4.44 | 135,154 |
| Spanish Animal Words | 0 | - | 4.53 | 96,036 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,866 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,495 |
| Words that are Animals | 0 | - | 3.85 | 41,522 |
| Extinct Animals | 0 | - | 4.13 | 27,600 |
| Primate Knowledge | 0 | - | 4.17 | 15,356 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,408 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,332 |
| Animals in the News | 0 | - | 4.37 | 26,851 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,532 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,949 |
| Largest Types of Birds | 0 | - | 4.19 | 27,044 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,792 |
| Fish Knowledge | 0 | - | 4.38 | 25,783 |
| Animals that Start with L | 0 | - | 4.47 | 102,596 |
| Animals that Start with P | 0 | - | 4.45 | 86,597 |
| Animals that Start with S | 0 | - | 4.49 | 87,791 |
| Megadiverse Countries | 0 | - | 4.96 | 149,890 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,304 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,486 |
| Mammals in the Answer | 0 | - | 4.35 | 30,008 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,597 |
| Animals A-Z #1 | 0 | - | 4.40 | 94,019 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,577 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,744 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,936 |
| Animal Decoder | 0 | - | 4.06 | 15,621 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,337 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,096 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,841 |
| The Shark Quiz!! | 0 | - | 4.26 | 24,838 |
| Animals that Start with A | 0 | - | 4.26 | 112,613 |
| Animals that Start with B | 0 | - | 4.31 | 114,568 |
| Animals that Start with C | 0 | - | 4.21 | 93,679 |
| Animals that Start with D | 0 | - | 4.25 | 87,420 |
| Animals that Start with E | 0 | - | 4.28 | 74,305 |
| Animals that Start with F | 0 | - | 4.28 | 107,585 |
| Animals that Start with G | 0 | - | 4.25 | 80,512 |
| Animals that Start with K | 0 | - | 4.07 | 66,839 |
| Animals that Start with M | 0 | - | 4.23 | 84,391 |
| Animals that Start with R | 0 | - | 4.28 | 87,774 |
| Animals that Start with T | 0 | - | 4.32 | 92,220 |
| Animals that Start with H | 0 | - | 4.31 | 86,694 |
| Animals that Start with O | 0 | - | 4.27 | 88,917 |
| Animals that Start with W | 0 | - | 4.36 | 47,453 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,288 |
| Countries with Fjords | 0 | - | 4.94 | 101,668 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,968 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,782 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,408 |
| Animals that Start with N | 0 | - | 3.73 | 31,922 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,952 |
| World's Longest Rivers | 0 | - | 4.89 | 137,906 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 166,113 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,946 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,629 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,537 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 57,051 |
| Countries With No Rivers | 0 | - | 4.96 | 77,301 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,224 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,240 |
| North Sea Countries | 0 | - | 4.92 | 87,836 |
| Black Sea Countries | 0 | - | 4.87 | 60,825 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,690 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,788 |
| Seas on the World Map | 0 | - | 4.96 | 136,200 |
| Seas of the World | 0 | - | 5.00 | 159,024 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,449 |
| Baby, Male and Female Animals | 0 | - | 4.41 | 151,315 |
| Animal Adjectives | 0 | - | 4.77 | 60,253 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,634 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,098 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,574 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,634 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,712 |
| Geologic Time Scale | 0 | - | 4.41 | 10,088 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,124 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,232 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,167 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,943 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,988 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,334 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,585 |
| Animal Sounds | 0 | - | 4.27 | 192,424 |
| Animals of Australia | 0 | - | 4.53 | 42,542 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,670 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,524 |
| Animal Emojis | 0 | - | 4.74 | 85,535 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,178 |
| Animals A-Z by Picture | 0 | - | 4.08 | 67,025 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,596 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,402 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,184 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,660 |
| Birds in the Answer | 0 | - | 4.56 | 52,965 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,051 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,866 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,043 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,330 |
| Indian Ocean General Knowledge | 0 | - | 4.53 | 22,303 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,754 |
| Biggest Lakes in the World | 0 | - | 4.63 | 90,020 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,732 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,857 |
| Famous Rivers | 0 | - | 4.75 | 105,552 |
| City to River #1 | 0 | - | 4.59 | 35,928 |
| Most Populous River Basins | 0 | - | 4.55 | 39,845 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,533 |
| Seas that Touch the Most Countries | 0 | - | 4.64 | 97,205 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,347 |
| Flowers by Picture | 0 | - | 4.46 | 105,909 |
| Plants by Picture | 0 | - | 4.24 | 14,544 |
| Animal Idioms Quiz #1 | 0 | - | 4.30 | 43,231 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,792 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,533 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,831 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,565 |
| Dog Knowledge | 0 | - | 4.46 | 34,705 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,455 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,091 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,801 |
| Rivers by City | 0 | - | 4.38 | 31,792 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,293 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,109 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,551 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,513 |
| Trees in the Answer | 0 | - | 4.23 | 45,958 |
| Bear in the Answers | 0 | - | 4.29 | 62,341 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,179 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,761 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,858 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,633 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,932 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,801 |
| Animal Group Names | 0 | - | 4.07 | 23,312 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,836 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,844 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 120,263 |
| Birds A-Z | 0 | - | 4.24 | 36,668 |
| Biggest City by River | 0 | - | 4.38 | 52,995 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,366 |
| Disney Animals | 0 | - | 4.27 | 241,324 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,049 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,330 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,365 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,792 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,266 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,882 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,440 |
| Horse Vocabulary | 0 | - | 4.23 | 22,818 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,333 |
| Big Cats | 0 | - | 3.91 | 67,972 |
| Famous Cats | 0 | - | 4.09 | 18,140 |
| Sayings About Animals #2 | 0 | - | 3.96 | 86,001 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,445 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,144 |
| Brand-Name Animals | 0 | - | 4.16 | 74,775 |
| Dog in the Answers | 0 | - | 4.16 | 68,970 |
| Famous Dogs | 0 | - | 4.02 | 28,129 |
| Rivers on Borders | 0 | - | 4.02 | 22,760 |
| Rivers A-Z | 0 | - | 4.35 | 32,878 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,077 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,882 |
| Famous Pets | 0 | - | 3.98 | 30,578 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,334 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,956 |
| National Animals | 0 | - | 4.24 | 90,284 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,826 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,946 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,783 |
