| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,413 |
| Snake Knowledge | 0 | - | 4.49 | 18,852 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,079 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,132 |
| Animal Varieties #3 | 0 | - | 4.52 | 55,529 |
| Animal Stereotypes | 0 | - | 4.48 | 37,421 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,737 |
| Animal Ranges - Do They Live There? | 0 | - | 4.70 | 44,350 |
| Head to Head - Animals | 0 | - | 4.88 | 69,847 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,800 |
| Types of Bears | 0 | - | 4.51 | 143,884 |
| Deadly Animals | 0 | - | 4.02 | 110,728 |
| Famous Animals #1 | 0 | - | 4.03 | 239,875 |
| Famous Animals #2 | 0 | - | 4.02 | 57,570 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,386 |
| Animal Facts | 0 | - | 4.15 | 43,024 |
| Cat Knowledge | 0 | - | 4.48 | 25,855 |
| Bear Knowledge | 0 | - | 4.54 | 35,139 |
| Cow Knowledge | 0 | - | 4.46 | 24,296 |
| Elephant Knowledge | 0 | - | 4.41 | 23,994 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,315 |
| Animals in World History | 0 | - | 4.74 | 44,627 |
| Human Taxonomy | 0 | - | 4.70 | 18,961 |
| French Animal Words | 0 | - | 4.44 | 134,843 |
| Spanish Animal Words | 0 | - | 4.53 | 95,882 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,777 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,718 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,288 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,595 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,485 |
| Name that Bug | 0 | - | 4.12 | 45,609 |
| Pack Animals | 0 | - | 4.20 | 10,422 |
| Lion Trivia | 0 | - | 4.19 | 16,430 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,703 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,538 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,430 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,003 |
| Bird in the Answers | 0 | - | 4.11 | 33,893 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,225 |
| Horse Knowledge | 0 | - | 4.46 | 24,100 |
| Animals that Start with L | 0 | - | 4.47 | 102,347 |
| Animals that Start with P | 0 | - | 4.45 | 86,395 |
| Animals that Start with S | 0 | - | 4.49 | 87,593 |
| Animals: No Vowels #2 | 0 | - | 4.50 | 22,627 |
| Words that are Animals | 0 | - | 3.85 | 41,498 |
| Extinct Animals | 0 | - | 4.16 | 27,555 |
| Primate Knowledge | 0 | - | 4.17 | 15,331 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,351 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,289 |
| Animals in the News | 0 | - | 4.37 | 26,820 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,496 |
| Largest Types of Birds | 0 | - | 4.19 | 27,005 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,769 |
| Fish Knowledge | 0 | - | 4.38 | 25,707 |
| Megadiverse Countries | 0 | - | 4.96 | 135,160 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,917 |
| Animals by Wikipedia Description | 0 | - | 4.33 | 14,321 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,456 |
| Mammals in the Answer | 0 | - | 4.35 | 29,989 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,279 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,850 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,485 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,692 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,898 |
| Animal Decoder | 0 | - | 4.06 | 15,573 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,301 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,801 |
| Old World... or New World? | 0 | - | 4.66 | 21,406 |
| Animals by Alternate Etymology | 0 | - | 3.49 | 9,635 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,660 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,788 |
| Animals that Start with A | 0 | - | 4.26 | 112,348 |
| Animals that Start with B | 0 | - | 4.31 | 114,058 |
| Animals that Start with C | 0 | - | 4.21 | 93,455 |
| Animals that Start with D | 0 | - | 4.25 | 87,199 |
| Animals that Start with E | 0 | - | 4.28 | 74,116 |
| Animals that Start with F | 0 | - | 4.28 | 107,365 |
| Animals that Start with G | 0 | - | 4.25 | 80,330 |
| Animals that Start with K | 0 | - | 4.07 | 66,692 |
| Animals that Start with M | 0 | - | 4.23 | 84,228 |
| Animals that Start with R | 0 | - | 4.28 | 87,603 |
| Animals that Start with T | 0 | - | 4.32 | 92,029 |
| Animals that Start with H | 0 | - | 4.31 | 86,518 |
| Animals that Start with O | 0 | - | 4.27 | 88,769 |
| Animals that Start with W | 0 | - | 4.36 | 47,319 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,982 |
| Countries with Fjords | 0 | - | 4.94 | 101,197 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,828 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,633 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,372 |
| Animals that Start with N | 0 | - | 3.73 | 31,804 |
| Bodies of Water on the World Map | 0 | - | 5.00 | 52,759 |
| World's Longest Rivers | 0 | - | 4.90 | 137,366 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,938 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,915 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,597 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,730 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,846 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,147 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,721 |
| Countries With No Rivers | 0 | - | 4.96 | 77,039 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,599 |
| 50 Rivers on a World Map | 0 | - | 4.96 | 38,265 |
| 100 Rivers on a World Map | 0 | - | 4.99 | 101,262 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,126 |
| North Sea Countries | 0 | - | 4.92 | 87,612 |
| Black Sea Countries | 0 | - | 4.87 | 60,701 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,512 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,618 |
| Seas on the World Map | 0 | - | 4.96 | 135,772 |
| Seas of the World | 0 | - | 5.00 | 157,888 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,335 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 79,168 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 59,659 |
| Trace the Coast of the World Map | 0 | - | 4.99 | 56,065 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,906 |
| Animal Adjectives | 0 | - | 4.77 | 60,151 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,818 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,893 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,411 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,232 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,588 |
| Geologic Time Scale | 0 | - | 4.41 | 10,056 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,906 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,097 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,813 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,680 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,922 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,247 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,314 |
| Animal Sounds | 0 | - | 4.26 | 191,943 |
| Animals of Australia | 0 | - | 4.52 | 42,435 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,555 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,455 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,375 |
| Animal Emojis | 0 | - | 4.74 | 85,038 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,744 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,732 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,391 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,251 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,935 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,442 |
| Birds in the Answer | 0 | - | 4.56 | 52,905 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,965 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,840 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,289 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,275 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,695 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,833 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,571 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,686 |
| Famous Rivers | 0 | - | 4.75 | 105,172 |
| City to River #1 | 0 | - | 4.59 | 35,884 |
| Most Populous River Basins | 0 | - | 4.55 | 39,781 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,427 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,022 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,202 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,231 |
| Flowers by Picture | 0 | - | 4.46 | 105,802 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,960 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,128 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,685 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,608 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,397 |
| Dog Knowledge | 0 | - | 4.46 | 34,512 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,029 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,356 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,049 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,674 |
| Rivers by City | 0 | - | 4.38 | 31,760 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,171 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,067 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,779 |
| Trace the Coast of the Americas with a Map | 0 | - | 4.80 | 56,039 |
| Draw the Coast of the Mediterranean on the Map | 0 | - | 4.67 | 38,411 |
| Plants by Picture | 0 | - | 4.24 | 14,504 |
| Trees in the Answer | 0 | - | 4.25 | 45,914 |
| Bear in the Answers | 0 | - | 4.29 | 62,202 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,978 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,579 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,722 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,582 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,878 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,690 |
| Animal Group Names | 0 | - | 4.07 | 23,258 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,792 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,662 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,786 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 113,825 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,191 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,840 |
| Birds A-Z | 0 | - | 4.24 | 36,591 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,426 |
| Horse Vocabulary | 0 | - | 4.23 | 22,778 |
| Famous Trees in Nature and Fiction | 0 | - | 4.38 | 18,476 |
| Name the Sea from a Clue | 0 | - | 4.59 | 26,788 |
| Biggest City by River | 0 | - | 4.38 | 52,927 |
| Amazon... or Nile? | 0 | - | 4.69 | 39,432 |
| Countries by Coastline Per Capita | 0 | - | 4.59 | 23,550 |
| Trace the Coast and International Borders of the USA | 0 | - | 4.41 | 28,062 |
