| Animal Varieties #1 | 0 | - | 4.48 | 92,993 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,108 |
| Animal Varieties #3 | 0 | - | 4.54 | 55,468 |
| Animal Stereotypes | 0 | - | 4.48 | 37,346 |
| Animal Ranges - Do They Live There? | 0 | - | 4.70 | 44,261 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,645 |
| Head to Head - Animals | 0 | - | 4.88 | 69,726 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,750 |
| Deadly Animals | 0 | - | 4.03 | 110,678 |
| Famous Animals #1 | 0 | - | 4.03 | 239,798 |
| Famous Animals #2 | 0 | - | 4.02 | 57,536 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,363 |
| Animal Facts | 0 | - | 4.15 | 43,011 |
| Cat Knowledge | 0 | - | 4.48 | 25,832 |
| Cow Knowledge | 0 | - | 4.46 | 24,283 |
| Elephant Knowledge | 0 | - | 4.41 | 23,982 |
| Human Taxonomy | 0 | - | 4.68 | 18,933 |
| World Bee Day Quiz | 0 | - | 4.47 | 11,490 |
| Types of Bears | 0 | - | 4.51 | 143,831 |
| Bear Knowledge | 0 | - | 4.54 | 35,115 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,249 |
| Animals in World History | 0 | - | 4.74 | 44,584 |
| French Animal Words | 0 | - | 4.44 | 134,673 |
| Spanish Animal Words | 0 | - | 4.53 | 95,811 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,563 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,466 |
| Name that Bug | 0 | - | 4.12 | 45,590 |
| Pack Animals | 0 | - | 4.18 | 10,400 |
| Lion Trivia | 0 | - | 4.19 | 16,415 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,687 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,526 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,410 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,985 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,739 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,348 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,623 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,207 |
| Bird in the Answers | 0 | - | 4.11 | 33,821 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,211 |
| Horse Knowledge | 0 | - | 4.46 | 24,080 |
| Snake Knowledge | 0 | - | 4.49 | 18,834 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,757 |
| Animals that Start with L | 0 | - | 4.47 | 102,264 |
| Animals that Start with P | 0 | - | 4.45 | 86,314 |
| Animals that Start with S | 0 | - | 4.49 | 87,518 |
| Words that are Animals | 0 | - | 3.85 | 41,489 |
| Extinct Animals | 0 | - | 4.16 | 27,533 |
| Primate Knowledge | 0 | - | 4.17 | 15,321 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,322 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,277 |
| Animals in the News | 0 | - | 4.37 | 26,809 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,482 |
| Animals: No Vowels #2 | 0 | - | 4.50 | 22,443 |
| Largest Types of Birds | 0 | - | 4.19 | 26,993 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,755 |
| Fish Knowledge | 0 | - | 4.38 | 25,681 |
| Megadiverse Countries | 0 | - | 4.96 | 135,049 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,731 |
| Animals by Alternate Etymology | 0 | - | 3.49 | 9,626 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,441 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,440 |
| Old World... or New World? | 0 | - | 4.66 | 21,381 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,581 |
| Animals that Start with A | 0 | - | 4.26 | 112,255 |
| Animals that Start with B | 0 | - | 4.31 | 113,965 |
| Animals that Start with C | 0 | - | 4.21 | 93,378 |
| Animals that Start with D | 0 | - | 4.25 | 87,127 |
| Animals that Start with E | 0 | - | 4.28 | 74,052 |
| Animals that Start with F | 0 | - | 4.28 | 107,270 |
| Animals that Start with G | 0 | - | 4.25 | 80,277 |
| Animals that Start with K | 0 | - | 4.07 | 66,650 |
| Animals that Start with M | 0 | - | 4.23 | 84,173 |
| Animals that Start with R | 0 | - | 4.28 | 87,540 |
| Animals that Start with T | 0 | - | 4.32 | 91,951 |
| Animals that Start with H | 0 | - | 4.31 | 86,464 |
| Animals that Start with O | 0 | - | 4.27 | 88,705 |
| Animals that Start with W | 0 | - | 4.36 | 47,266 |
| Animals by Wikipedia Description | 0 | - | 4.33 | 14,284 |
| Mammals in the Answer | 0 | - | 4.35 | 29,977 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,153 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,678 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,885 |
| Animal Decoder | 0 | - | 4.06 | 15,554 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,284 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,679 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,764 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,910 |
| Countries with Fjords | 0 | - | 4.94 | 101,064 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,759 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,573 |
| Click Timeline: Countries Independence | 0 | - | 4.92 | 62,396 |
| Click Timeline: Fictional Characters #1 | 0 | - | 4.98 | 83,233 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,355 |
| Animals that Start with N | 0 | - | 3.73 | 31,765 |
| Terrestrial Biomes - Map Quiz | 0 | - | 4.99 | 21,467 |
| Bodies of Water on the World Map | 0 | - | 5.00 | 52,500 |
| World's Longest Rivers | 0 | - | 4.90 | 137,082 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,417 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,783 |
| Animals in the Bible | 0 | - | 4.83 | 36,795 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,907 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,577 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,603 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,977 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,601 |
| Countries With No Rivers | 0 | - | 4.96 | 76,932 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,309 |
| 50 Rivers on a World Map | 0 | - | 4.96 | 38,113 |
| 100 Rivers on a World Map | 0 | - | 4.99 | 100,849 |
| Rivers in History | 0 | - | 4.92 | 33,343 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,084 |
| North Sea Countries | 0 | - | 4.92 | 87,506 |
| Black Sea Countries | 0 | - | 4.87 | 60,660 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,461 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,561 |
| Seas on the World Map | 0 | - | 4.96 | 135,569 |
| Seas of the World | 0 | - | 5.00 | 157,485 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,287 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 78,989 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 59,533 |
| Trace the Coast of the World Map | 0 | - | 4.99 | 55,917 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,725 |
| Animal Adjectives | 0 | - | 4.77 | 60,080 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,594 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,793 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,343 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,047 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,544 |
| Geologic Time Scale | 0 | - | 4.41 | 10,036 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,823 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,038 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,667 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,589 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,885 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,203 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,197 |
| Animal Sounds | 0 | - | 4.26 | 191,830 |
| Animals of Australia | 0 | - | 4.52 | 42,378 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,505 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,424 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,279 |
| Animal Emojis | 0 | - | 4.74 | 84,850 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,649 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,620 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,290 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,210 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,826 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,364 |
| Birds in the Answer | 0 | - | 4.56 | 52,884 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,926 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,821 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,259 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,259 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,662 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,747 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,505 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,610 |
| Famous Rivers | 0 | - | 4.75 | 105,083 |
| City to River #1 | 0 | - | 4.59 | 35,867 |
| Most Populous River Basins | 0 | - | 4.55 | 39,749 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,394 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,926 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,153 |
| Flowers by Picture | 0 | - | 4.46 | 105,734 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,904 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,103 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,651 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,523 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,329 |
| Dog Knowledge | 0 | - | 4.46 | 34,475 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,026 |
| Gulfs and Bays on the World Map | 0 | - | 4.61 | 30,309 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,031 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,622 |
| Rivers by City | 0 | - | 4.38 | 31,743 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,126 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,043 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,433 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 29,076 |
| Trace the Coast of the Americas with a Map | 0 | - | 4.80 | 55,907 |
| Draw the Coast of the Mediterranean on the Map | 0 | - | 4.67 | 38,305 |
| Plants by Picture | 0 | - | 4.24 | 14,481 |
| Trees in the Answer | 0 | - | 4.25 | 45,886 |
| Bear in the Answers | 0 | - | 4.29 | 62,119 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,848 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,488 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,637 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,563 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,849 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,641 |
| Animal Group Names | 0 | - | 4.07 | 23,231 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,775 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,754 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.15 | 113,432 |
| Birds A-Z | 0 | - | 4.24 | 36,568 |
| Name the Sea from a Clue | 0 | - | 4.59 | 26,757 |
| Biggest City by River | 0 | - | 4.38 | 52,891 |
| Amazon... or Nile? | 0 | - | 4.69 | 39,376 |
| Countries by Coastline Per Capita | 0 | - | 4.59 | 23,466 |
| Trace the Coast and International Borders of the USA | 0 | - | 4.41 | 28,017 |
