| Animal Varieties #1 | 0 | - | 4.48 | 93,414 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,170 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,687 |
| Animal Stereotypes | 0 | - | 4.48 | 37,545 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,957 |
| Deadly Animals | 0 | - | 4.02 | 110,840 |
| Famous Animals #1 | 0 | - | 4.03 | 240,031 |
| Famous Animals #2 | 0 | - | 4.02 | 57,607 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,433 |
| Animal Facts | 0 | - | 4.15 | 43,056 |
| Cat Knowledge | 0 | - | 4.49 | 25,886 |
| Cow Knowledge | 0 | - | 4.46 | 24,319 |
| Elephant Knowledge | 0 | - | 4.41 | 24,019 |
| Human Taxonomy | 0 | - | 4.70 | 18,997 |
| Types of Bears | 0 | - | 4.50 | 143,975 |
| Bear Knowledge | 0 | - | 4.54 | 35,180 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,391 |
| French Animal Words | 0 | - | 4.44 | 135,059 |
| Spanish Animal Words | 0 | - | 4.53 | 96,000 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,638 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,507 |
| Name that Bug | 0 | - | 4.12 | 45,655 |
| Pack Animals | 0 | - | 4.20 | 10,444 |
| Lion Trivia | 0 | - | 4.19 | 16,446 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,734 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,578 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,463 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,019 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,843 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,418 |
| Bird in the Answers | 0 | - | 4.11 | 34,005 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,254 |
| Horse Knowledge | 0 | - | 4.46 | 24,141 |
| Animals that Start with L | 0 | - | 4.47 | 102,515 |
| Animals that Start with P | 0 | - | 4.45 | 86,531 |
| Animals that Start with S | 0 | - | 4.49 | 87,728 |
| Words that are Animals | 0 | - | 3.85 | 41,519 |
| Extinct Animals | 0 | - | 4.13 | 27,592 |
| Primate Knowledge | 0 | - | 4.17 | 15,352 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,397 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,320 |
| Animals in the News | 0 | - | 4.37 | 26,843 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,519 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,837 |
| Largest Types of Birds | 0 | - | 4.19 | 27,029 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,785 |
| Fish Knowledge | 0 | - | 4.38 | 25,765 |
| Megadiverse Countries | 0 | - | 4.96 | 147,911 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 82,204 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,479 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,955 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,549 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,790 |
| Animals that Start with A | 0 | - | 4.26 | 112,544 |
| Animals that Start with B | 0 | - | 4.31 | 114,490 |
| Animals that Start with C | 0 | - | 4.21 | 93,620 |
| Animals that Start with D | 0 | - | 4.25 | 87,356 |
| Animals that Start with E | 0 | - | 4.28 | 74,248 |
| Animals that Start with F | 0 | - | 4.28 | 107,527 |
| Animals that Start with G | 0 | - | 4.25 | 80,463 |
| Animals that Start with K | 0 | - | 4.07 | 66,793 |
| Animals that Start with M | 0 | - | 4.23 | 84,332 |
| Animals that Start with R | 0 | - | 4.28 | 87,719 |
| Animals that Start with T | 0 | - | 4.32 | 92,161 |
| Animals that Start with H | 0 | - | 4.31 | 86,635 |
| Animals that Start with O | 0 | - | 4.27 | 88,873 |
| Animals that Start with W | 0 | - | 4.36 | 47,410 |
| Mammals in the Answer | 0 | - | 4.35 | 30,006 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,505 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,736 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,926 |
| Animal Decoder | 0 | - | 4.06 | 15,607 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,325 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,014 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,825 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,213 |
| Countries with Fjords | 0 | - | 4.94 | 101,532 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,932 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,737 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,398 |
| Animals that Start with N | 0 | - | 3.73 | 31,883 |
| World's Longest Rivers | 0 | - | 4.89 | 137,731 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,753 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,908 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,938 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,622 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,419 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,957 |
| Countries With No Rivers | 0 | - | 4.96 | 77,234 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,106 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,215 |
| North Sea Countries | 0 | - | 4.92 | 87,757 |
| Black Sea Countries | 0 | - | 4.87 | 60,783 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,646 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,735 |
| Seas on the World Map | 0 | - | 4.96 | 136,064 |
| Seas of the World | 0 | - | 5.00 | 158,723 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 414,323 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,412 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,201 |
| Animal Adjectives | 0 | - | 4.77 | 60,232 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,179 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,046 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,521 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,518 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,684 |
| Geologic Time Scale | 0 | - | 4.41 | 10,077 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,051 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,181 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,066 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,868 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,968 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,309 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,528 |
| Animal Sounds | 0 | - | 4.27 | 192,088 |
| Animals of Australia | 0 | - | 4.53 | 42,517 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,640 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,502 |
| Animal Emojis | 0 | - | 4.74 | 85,385 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,110 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,925 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,539 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,371 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,104 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,600 |
| Birds in the Answer | 0 | - | 4.56 | 52,939 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,025 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,858 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,319 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,296 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,739 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,969 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,692 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,810 |
| Famous Rivers | 0 | - | 4.75 | 105,297 |
| City to River #1 | 0 | - | 4.59 | 35,913 |
| Most Populous River Basins | 0 | - | 4.55 | 39,827 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,506 |
| Seas that Touch the Most Countries | 0 | - | 4.64 | 97,157 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,301 |
| Flowers by Picture | 0 | - | 4.46 | 105,886 |
| Animal Idioms Quiz #1 | 0 | - | 4.30 | 43,204 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,763 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,500 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,762 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,521 |
| Dog Knowledge | 0 | - | 4.46 | 34,633 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,036 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,431 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,083 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,761 |
| Rivers by City | 0 | - | 4.38 | 31,782 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,253 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,099 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,426 |
| Plants by Picture | 0 | - | 4.24 | 14,528 |
| Trees in the Answer | 0 | - | 4.23 | 45,946 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,120 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,702 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,811 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,619 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,917 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,765 |
| Animal Group Names | 0 | - | 4.07 | 23,297 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,827 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,828 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 117,900 |
| Birds A-Z | 0 | - | 4.24 | 36,650 |
| Bear in the Answers | 0 | - | 4.29 | 62,304 |
| Biggest City by River | 0 | - | 4.38 | 52,973 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,140 |
| Disney Animals | 0 | - | 4.27 | 241,167 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,040 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,260 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,358 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,758 |
| Famous Dogs | 0 | - | 4.02 | 28,084 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,240 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,869 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,436 |
| Horse Vocabulary | 0 | - | 4.23 | 22,810 |
| Big Cats | 0 | - | 3.91 | 67,941 |
| Rivers on Borders | 0 | - | 4.02 | 22,745 |
| 3 and 4 Letter Trees | 0 | - | 4.21 | 17,324 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,765 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,911 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,382 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,130 |
| Brand-Name Animals | 0 | - | 4.16 | 74,716 |
| Dog in the Answers | 0 | - | 4.16 | 68,917 |
| Famous Cats | 0 | - | 4.09 | 18,117 |
| Rivers A-Z | 0 | - | 4.35 | 32,870 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,066 |
| Famous Pets | 0 | - | 3.98 | 30,537 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,359 |
| Top 15 Countries with the Most Cows | 0 | - | 4.73 | 107,526 |
| U.S States with the Most Cows | 0 | - | 4.63 | 29,995 |
| National Animals | 0 | - | 4.24 | 90,247 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,709 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,826 |