| Animal Varieties #1 | 0 | - | 4.48 | 92,497 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,995 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,154 |
| Animal Stereotypes | 0 | - | 4.48 | 36,890 |
| Animal Ranges - Do They Live There? | 0 | - | 4.70 | 43,790 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,286 |
| Head to Head - Animals | 0 | - | 4.88 | 68,889 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,466 |
| Deadly Animals | 0 | - | 4.03 | 109,966 |
| Famous Animals #1 | 0 | - | 4.03 | 238,911 |
| Famous Animals #2 | 0 | - | 4.02 | 57,347 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,166 |
| Animal Facts | 0 | - | 4.15 | 42,920 |
| Cat Knowledge | 0 | - | 4.49 | 25,736 |
| Cow Knowledge | 0 | - | 4.46 | 24,185 |
| Elephant Knowledge | 0 | - | 4.41 | 23,910 |
| Human Taxonomy | 0 | - | 4.68 | 18,872 |
| World Bee Day Quiz | 0 | - | 4.47 | 11,427 |
| Types of Bears | 0 | - | 4.51 | 143,149 |
| Bear Knowledge | 0 | - | 4.54 | 35,003 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,014 |
| Animals in World History | 0 | - | 4.74 | 44,274 |
| French Animal Words | 0 | - | 4.44 | 133,878 |
| Spanish Animal Words | 0 | - | 4.53 | 95,441 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,422 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,373 |
| Name that Bug | 0 | - | 4.12 | 45,467 |
| Pack Animals | 0 | - | 4.23 | 10,339 |
| Lion Trivia | 0 | - | 4.19 | 16,375 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,611 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,459 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,310 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,925 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,544 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,139 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,069 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,680 |
| Bird in the Answers | 0 | - | 4.10 | 33,335 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,119 |
| Horse Knowledge | 0 | - | 4.45 | 23,963 |
| Snake Knowledge | 0 | - | 4.49 | 18,747 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,906 |
| Animals that Start with L | 0 | - | 4.47 | 101,581 |
| Animals that Start with P | 0 | - | 4.45 | 85,826 |
| Animals that Start with S | 0 | - | 4.49 | 87,011 |
| Words that are Animals | 0 | - | 3.88 | 41,424 |
| Extinct Animals | 0 | - | 4.18 | 27,427 |
| Primate Knowledge | 0 | - | 4.17 | 15,274 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,244 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,218 |
| Animals in the News | 0 | - | 4.37 | 26,731 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,402 |
| Animals: No Vowels #2 | 0 | - | 4.57 | 21,648 |
| Largest Types of Birds | 0 | - | 4.19 | 26,910 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,699 |
| Fish Knowledge | 0 | - | 4.38 | 25,521 |
| Megadiverse Countries | 0 | - | 4.97 | 134,012 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,649 |
| Animals by Alternate Etymology | 0 | - | 3.49 | 9,587 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,365 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,107 |
| Old World... or New World? | 0 | - | 4.66 | 21,230 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,255 |
| Animals that Start with A | 0 | - | 4.26 | 111,669 |
| Animals that Start with B | 0 | - | 4.31 | 113,365 |
| Animals that Start with C | 0 | - | 4.23 | 92,519 |
| Animals that Start with D | 0 | - | 4.25 | 86,644 |
| Animals that Start with E | 0 | - | 4.28 | 73,620 |
| Animals that Start with F | 0 | - | 4.28 | 106,749 |
| Animals that Start with G | 0 | - | 4.25 | 79,865 |
| Animals that Start with K | 0 | - | 4.07 | 66,347 |
| Animals that Start with M | 0 | - | 4.23 | 83,727 |
| Animals that Start with R | 0 | - | 4.27 | 87,124 |
| Animals that Start with T | 0 | - | 4.32 | 91,039 |
| Animals that Start with H | 0 | - | 4.31 | 86,036 |
| Animals that Start with O | 0 | - | 4.27 | 88,347 |
| Animals that Start with W | 0 | - | 4.36 | 46,965 |
| Animals by Wikipedia Description | 0 | - | 4.33 | 14,097 |
| Mammals in the Answer | 0 | - | 4.35 | 29,926 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,467 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,541 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,784 |
| Animal Decoder | 0 | - | 4.06 | 15,474 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,206 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,632 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,428 |
| Countries with Fjords | 0 | - | 4.93 | 100,304 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,345 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,236 |
| Click Timeline: Countries Independence | 0 | - | 4.91 | 61,476 |
| Click Timeline: Fictional Characters #1 | 0 | - | 4.97 | 82,262 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,306 |
| Bodies of Water on the World Map | 0 | - | 5.00 | 50,937 |
| World's Longest Rivers | 0 | - | 4.88 | 121,260 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 162,207 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,507 |
| Word Addition Click Quiz #2 | 0 | - | 4.52 | 34,717 |
| Animals in the Bible | 0 | - | 4.83 | 35,938 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,840 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,519 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,952 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,987 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,735 |
| Countries With No Rivers | 0 | - | 4.96 | 76,109 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,351 |
| 50 Rivers on a World Map | 0 | - | 4.96 | 37,046 |
| 100 Rivers on a World Map | 0 | - | 4.99 | 98,646 |
| Rivers in History | 0 | - | 4.91 | 32,969 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,784 |
| North Sea Countries | 0 | - | 4.92 | 86,677 |
| Black Sea Countries | 0 | - | 4.87 | 60,378 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,074 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,158 |
| Seas on the World Map | 0 | - | 4.96 | 134,474 |
| Seas of the World | 0 | - | 5.00 | 154,774 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,990 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 78,103 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 58,946 |
| Trace the Coast of the World Map | 0 | - | 4.99 | 55,166 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,793 |
| Animal Adjectives | 0 | - | 4.77 | 59,865 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,082 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,082 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,328 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,981 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,257 |
| Animals that Start with N | 0 | - | 3.73 | 31,497 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,357 |
| Geologic Time Scale | 0 | - | 4.46 | 9,939 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,311 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,730 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,862 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,004 |
| Word Addition Click Quiz #1 | 0 | - | 4.70 | 49,225 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,704 |
| Biggest Animals by Category | 0 | - | 4.18 | 72,979 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,699 |
| Animal Sounds | 0 | - | 4.26 | 191,269 |
| Animals of Australia | 0 | - | 4.52 | 42,189 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,282 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,247 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,956 |
| Animal Emojis | 0 | - | 4.70 | 83,477 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,184 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,017 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,839 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,955 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,239 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,942 |
| Birds in the Answer | 0 | - | 4.56 | 52,719 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,667 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,744 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,180 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,163 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,485 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,075 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,156 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,216 |
| Famous Rivers | 0 | - | 4.74 | 104,605 |
| City to River #1 | 0 | - | 4.59 | 35,760 |
| Most Populous River Basins | 0 | - | 4.61 | 39,574 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,157 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,001 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,812 |
| Flowers by Picture | 0 | - | 4.46 | 105,066 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 18,644 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,930 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,491 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,046 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,926 |
| Dog Knowledge | 0 | - | 4.46 | 34,214 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,985 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,058 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,926 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,351 |
| Biggest City by River | 0 | - | 4.41 | 52,715 |
| Rivers by City | 0 | - | 4.38 | 31,653 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,822 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,937 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,519 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,323 |
| Trace the Coast of the Americas with a Map | 0 | - | 4.80 | 55,280 |
| Draw the Coast of the Mediterranean on the Map | 0 | - | 4.64 | 37,867 |
| Plants by Picture | 0 | - | 4.24 | 14,361 |
| Trees in the Answer | 0 | - | 4.25 | 45,764 |
| Movies with Animals in the Title #1 | 0 | - | 4.21 | 183,141 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,104 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,071 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,493 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,646 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,384 |
| Animal Group Names | 0 | - | 4.06 | 23,121 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,704 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,622 |
| Most Popular Dog Breeds | 0 | - | 4.19 | 110,667 |
| Birds A-Z | 0 | - | 4.24 | 36,393 |
| Bear in the Answers | 0 | - | 4.29 | 61,657 |
| Name the Sea from a Clue | 0 | - | 4.59 | 26,610 |
| Amazon... or Nile? | 0 | - | 4.69 | 39,121 |
| Countries by Coastline Per Capita | 0 | - | 4.59 | 23,075 |