| French Animal Words | 0 | - | 4.44 | 134,250 |
| Spanish Animal Words | 0 | - | 4.53 | 95,632 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,740 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,053 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,311 |
| Animal Stereotypes | 0 | - | 4.48 | 37,112 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,451 |
| Head to Head - Animals | 0 | - | 4.88 | 69,312 |
| Types of Bears | 0 | - | 4.51 | 143,272 |
| Bear Knowledge | 0 | - | 4.54 | 35,056 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,121 |
| Animals in World History | 0 | - | 4.74 | 44,419 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,593 |
| Deadly Animals | 0 | - | 4.03 | 110,154 |
| Famous Animals #1 | 0 | - | 4.03 | 239,171 |
| Famous Animals #2 | 0 | - | 4.02 | 57,408 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,239 |
| Animal Facts | 0 | - | 4.15 | 42,959 |
| Cat Knowledge | 0 | - | 4.48 | 25,780 |
| Cow Knowledge | 0 | - | 4.46 | 24,226 |
| Elephant Knowledge | 0 | - | 4.41 | 23,944 |
| Human Taxonomy | 0 | - | 4.68 | 18,900 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,646 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,339 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 63,948 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,487 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,423 |
| Name that Bug | 0 | - | 4.12 | 45,532 |
| Animals - Taxonomy to Common Name | 0 | - | 4.80 | 28,227 |
| Bird in the Answers | 0 | - | 4.11 | 33,531 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,155 |
| Horse Knowledge | 0 | - | 4.46 | 24,021 |
| Snake Knowledge | 0 | - | 4.49 | 18,787 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,154 |
| Pack Animals | 0 | - | 4.17 | 10,366 |
| Lion Trivia | 0 | - | 4.19 | 16,394 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,639 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,484 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,355 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,949 |
| Animals that Start with L | 0 | - | 4.47 | 101,769 |
| Animals that Start with P | 0 | - | 4.45 | 86,007 |
| Animals that Start with S | 0 | - | 4.49 | 87,212 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,457 |
| Top World Languages | 0 | - | 4.92 | 819,654 |
| Words that are Animals | 0 | - | 3.88 | 41,446 |
| Extinct Animals | 0 | - | 4.21 | 27,479 |
| Primate Knowledge | 0 | - | 4.17 | 15,294 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,284 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,244 |
| Animals in the News | 0 | - | 4.37 | 26,772 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,436 |
| Animals: No Vowels #2 | 0 | - | 4.49 | 22,028 |
| Largest Types of Birds | 0 | - | 4.19 | 26,950 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,723 |
| Fish Knowledge | 0 | - | 4.38 | 25,609 |
| Megadiverse Countries | 0 | - | 4.96 | 134,735 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,215 |
| Countries by Official Language | 0 | - | 4.95 | 194,545 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,467 |
| Places in their Native Language #2 | 0 | - | 4.81 | 133,607 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,400 |
| Countries in their Native Language | 0 | - | 4.99 | 198,096 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,977 |
| Official European Union Languages | 0 | - | 4.97 | 238,051 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,569 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,315 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,407 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,232 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,410 |
| Animals that Start with A | 0 | - | 4.26 | 111,887 |
| Animals that Start with B | 0 | - | 4.31 | 113,578 |
| Animals that Start with C | 0 | - | 4.23 | 92,735 |
| Animals that Start with D | 0 | - | 4.25 | 86,810 |
| Animals that Start with E | 0 | - | 4.28 | 73,778 |
| Animals that Start with F | 0 | - | 4.28 | 106,950 |
| Animals that Start with G | 0 | - | 4.25 | 80,007 |
| Animals that Start with K | 0 | - | 4.07 | 66,457 |
| Animals that Start with M | 0 | - | 4.23 | 83,890 |
| Animals that Start with R | 0 | - | 4.27 | 87,292 |
| Animals that Start with T | 0 | - | 4.32 | 91,340 |
| Animals that Start with H | 0 | - | 4.31 | 86,199 |
| Animals that Start with O | 0 | - | 4.27 | 88,489 |
| Animals that Start with W | 0 | - | 4.36 | 47,085 |
| Mammals in the Answer | 0 | - | 4.35 | 29,948 |
| Three Letter Animals Quiz | 0 | - | 3.96 | 300,789 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,602 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,836 |
| Animal Decoder | 0 | - | 4.06 | 15,510 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,244 |
| Animals by Alternate Etymology | 0 | - | 3.49 | 9,601 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,695 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,740 |
| Countries with Fjords | 0 | - | 4.94 | 100,749 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,590 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,397 |
| Spanish to English Country Names | 0 | - | 4.86 | 32,820 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,305 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,559 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,263 |
| German-Speaking Countries | 0 | - | 4.91 | 145,233 |
| Italian Name Translation | 0 | - | 4.82 | 46,304 |
| French-Speaking Countries | 0 | - | 4.85 | 270,124 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,335 |
| World's Longest Rivers | 0 | - | 4.89 | 135,673 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 163,259 |
| English Speaking Countries | 0 | - | 4.64 | 357,010 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,629 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,220 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,586 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,014 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,604 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 111,394 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,541 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,351 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,923 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,423 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,870 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,543 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,257 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,648 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,593 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,216 |
| Countries With No Rivers | 0 | - | 4.96 | 76,676 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,924 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,969 |
| North Sea Countries | 0 | - | 4.92 | 87,286 |
| Black Sea Countries | 0 | - | 4.87 | 60,566 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,294 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,399 |
| Seas on the World Map | 0 | - | 4.96 | 135,093 |
| Seas of the World | 0 | - | 5.00 | 156,256 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 412,320 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,167 |
| Trace the Coast of Europe with a Map | 0 | - | 4.94 | 78,552 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 59,236 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,619 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,655 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,205 |
| Animal Adjectives | 0 | - | 4.77 | 59,958 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,337 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,560 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,518 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,145 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,615 |
| Animals that Start with N | 0 | - | 3.73 | 31,598 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,473 |
| Geologic Time Scale | 0 | - | 4.46 | 9,999 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,609 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,885 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,420 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,017 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,321 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,307 |
| Random Name Translation | 0 | - | 4.52 | 42,357 |
| Slavic Languages | 0 | - | 4.68 | 54,252 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,528 |
| Translations of John | 0 | - | 4.53 | 27,047 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 57,770 |
| French Food Words | 0 | - | 4.81 | 194,520 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,780 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,084 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,933 |
| Animal Sounds | 0 | - | 4.26 | 191,524 |
| Animals of Australia | 0 | - | 4.52 | 42,278 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,386 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,336 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,094 |
| Animal Emojis | 0 | - | 4.73 | 83,969 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,425 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,308 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,032 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,071 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,500 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,144 |
| Birds in the Answer | 0 | - | 4.56 | 52,794 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,795 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,784 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,209 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,202 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,577 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,301 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,322 |
| Famous Rivers | 0 | - | 4.75 | 104,854 |
| City to River #1 | 0 | - | 4.59 | 35,824 |
| Most Populous River Basins | 0 | - | 4.55 | 39,673 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,299 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,665 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,694 |
| Flowers by Picture | 0 | - | 4.46 | 105,570 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,013 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,819 |
| Spanish Name Translation | 0 | - | 4.13 | 168,404 |
| Spanish Food Words | 0 | - | 4.64 | 250,739 |
| Italian Food Words | 0 | - | 4.29 | 71,162 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,524 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 43,020 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,562 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,529 |
| Animal Group Names | 0 | - | 4.06 | 23,169 |
