| French Animal Words | 0 | - | 4.44 | 134,884 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,692 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,099 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,139 |
| Animal Varieties #3 | 0 | - | 4.52 | 55,542 |
| Animal Stereotypes | 0 | - | 4.48 | 37,433 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,670 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,857 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,001 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,811 |
| Types of Bears | 0 | - | 4.51 | 143,900 |
| Deadly Animals | 0 | - | 4.02 | 110,734 |
| Famous Animals #1 | 0 | - | 4.03 | 239,895 |
| Famous Animals #2 | 0 | - | 4.02 | 57,572 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,393 |
| Animal Facts | 0 | - | 4.15 | 43,025 |
| Cat Knowledge | 0 | - | 4.48 | 25,858 |
| Bear Knowledge | 0 | - | 4.54 | 35,144 |
| Cow Knowledge | 0 | - | 4.46 | 24,297 |
| Elephant Knowledge | 0 | - | 4.41 | 23,996 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,320 |
| Human Taxonomy | 0 | - | 4.70 | 18,964 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,785 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,305 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,599 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,486 |
| Name that Bug | 0 | - | 4.12 | 45,614 |
| Pack Animals | 0 | - | 4.20 | 10,425 |
| Lion Trivia | 0 | - | 4.19 | 16,431 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,709 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,544 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,435 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,005 |
| Bird in the Answers | 0 | - | 4.11 | 33,911 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,229 |
| Horse Knowledge | 0 | - | 4.46 | 24,108 |
| Snake Knowledge | 0 | - | 4.49 | 18,859 |
| Animals that Start with L | 0 | - | 4.47 | 102,364 |
| Animals that Start with P | 0 | - | 4.45 | 86,409 |
| Animals that Start with S | 0 | - | 4.49 | 87,611 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,248 |
| Top World Languages | 0 | - | 4.92 | 827,900 |
| Spanish Food Words | 0 | - | 4.67 | 253,418 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,653 |
| Spanish Name Translation | 0 | - | 4.13 | 169,234 |
| Words that are Animals | 0 | - | 3.85 | 41,499 |
| Extinct Animals | 0 | - | 4.16 | 27,559 |
| Primate Knowledge | 0 | - | 4.17 | 15,333 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,357 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,292 |
| Animals in the News | 0 | - | 4.37 | 26,828 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,497 |
| Largest Types of Birds | 0 | - | 4.19 | 27,006 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,772 |
| Fish Knowledge | 0 | - | 4.38 | 25,721 |
| Megadiverse Countries | 0 | - | 4.96 | 135,183 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,956 |
| Countries by Official Language | 0 | - | 4.95 | 195,747 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,048 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,266 |
| Countries in their Native Language | 0 | - | 4.99 | 199,520 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,593 |
| Official European Union Languages | 0 | - | 4.97 | 239,483 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,483 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,739 |
| Song Title Translation - Spanish | 0 | - | 4.57 | 35,884 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,461 |
| Mammals in the Answer | 0 | - | 4.35 | 29,989 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,322 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,867 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,495 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,696 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,902 |
| Animal Decoder | 0 | - | 4.06 | 15,578 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,304 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,826 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,674 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,793 |
| Animals that Start with A | 0 | - | 4.26 | 112,365 |
| Animals that Start with B | 0 | - | 4.31 | 114,077 |
| Animals that Start with C | 0 | - | 4.21 | 93,467 |
| Animals that Start with D | 0 | - | 4.25 | 87,212 |
| Animals that Start with E | 0 | - | 4.28 | 74,127 |
| Animals that Start with F | 0 | - | 4.28 | 107,388 |
| Animals that Start with G | 0 | - | 4.25 | 80,347 |
| Animals that Start with K | 0 | - | 4.07 | 66,704 |
| Animals that Start with M | 0 | - | 4.23 | 84,242 |
| Animals that Start with R | 0 | - | 4.28 | 87,619 |
| Animals that Start with T | 0 | - | 4.32 | 92,049 |
| Animals that Start with H | 0 | - | 4.31 | 86,530 |
| Animals that Start with O | 0 | - | 4.27 | 88,778 |
| Animals that Start with W | 0 | - | 4.36 | 47,330 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,996 |
| Countries with Fjords | 0 | - | 4.94 | 101,217 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,840 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,652 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,624 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,897 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,622 |
| Spanish Loan Words | 0 | - | 4.23 | 45,948 |
| German-Speaking Countries | 0 | - | 4.92 | 145,935 |
| Italian Name Translation | 0 | - | 4.83 | 47,724 |
| French-Speaking Countries | 0 | - | 4.85 | 271,407 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,379 |
| Animals that Start with N | 0 | - | 3.73 | 31,812 |
| World's Longest Rivers | 0 | - | 4.90 | 137,432 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 165,065 |
| English Speaking Countries | 0 | - | 4.64 | 357,997 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,931 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,913 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,974 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,475 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 70,238 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,690 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,918 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,600 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,851 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,183 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,760 |
| Countries With No Rivers | 0 | - | 4.96 | 77,063 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,814 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,135 |
| North Sea Countries | 0 | - | 4.92 | 87,628 |
| Black Sea Countries | 0 | - | 4.87 | 60,708 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,529 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,632 |
| Seas on the World Map | 0 | - | 4.96 | 135,829 |
| Seas of the World | 0 | - | 5.00 | 158,049 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,340 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,830 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 128,022 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,713 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,948 |
| Animal Adjectives | 0 | - | 4.77 | 60,161 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,869 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,932 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,432 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,297 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,597 |
| Geologic Time Scale | 0 | - | 4.41 | 10,058 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,926 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,117 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,849 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,706 |
| Random Name Translation | 0 | - | 4.52 | 42,794 |
| Slavic Languages | 0 | - | 4.67 | 54,625 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,637 |
| Translations of John | 0 | - | 4.53 | 27,312 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 58,154 |
| French Food Words | 0 | - | 4.80 | 195,767 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,932 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,254 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,329 |
| Animal Sounds | 0 | - | 4.26 | 191,961 |
| Animals of Australia | 0 | - | 4.52 | 42,445 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,564 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,460 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,388 |
| Animal Emojis | 0 | - | 4.74 | 85,086 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,981 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,767 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,433 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,283 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,962 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,482 |
| Birds in the Answer | 0 | - | 4.56 | 52,909 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,974 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,843 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,297 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,278 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,703 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,853 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,592 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,703 |
| Famous Rivers | 0 | - | 4.75 | 105,185 |
| City to River #1 | 0 | - | 4.59 | 35,889 |
| Most Populous River Basins | 0 | - | 4.55 | 39,787 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,437 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,045 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,215 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,255 |
| Flowers by Picture | 0 | - | 4.46 | 105,821 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,895 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,662 |
| Italian Food Words | 0 | - | 4.27 | 71,610 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,134 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,694 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,629 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,420 |
| Dog Knowledge | 0 | - | 4.46 | 34,517 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,031 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,367 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,057 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,690 |
| Rivers by City | 0 | - | 4.38 | 31,764 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,181 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,071 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,856 |
| Plants by Picture | 0 | - | 4.24 | 14,511 |
| Trees in the Answer | 0 | - | 4.25 | 45,916 |
