| French Animal Words | 0 | - | 4.44 | 133,593 |
| Spanish to English Country Names | 0 | - | 4.85 | 31,932 |
| Animal Varieties Quiz #1 | 0 | - | 4.48 | 92,359 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,953 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,060 |
| Animal Stereotypes | 0 | - | 4.48 | 36,718 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 22,006 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,212 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,709 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,384 |
| Types of Bears | 0 | - | 4.51 | 143,063 |
| Deadly Animals | 0 | - | 4.03 | 109,856 |
| Famous Animals #1 | 0 | - | 4.03 | 238,764 |
| Famous Animals #2 | 0 | - | 4.02 | 57,314 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,138 |
| Animal Facts | 0 | - | 4.15 | 42,902 |
| Cat Knowledge | 0 | - | 4.49 | 25,712 |
| Bear Knowledge | 0 | - | 4.54 | 34,974 |
| Cow Knowledge | 0 | - | 4.46 | 24,157 |
| Elephant Knowledge | 0 | - | 4.41 | 23,896 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 55,960 |
| Human Taxonomy | 0 | - | 4.68 | 18,827 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,496 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,530 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,372 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,343 |
| Name that Bug | 0 | - | 4.12 | 45,438 |
| Pack Animals | 0 | - | 4.23 | 10,330 |
| Lion Trivia | 0 | - | 4.19 | 16,362 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,590 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,436 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,295 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,904 |
| Bird in the Answers | 0 | - | 4.10 | 33,221 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,090 |
| Horse Knowledge | 0 | - | 4.45 | 23,931 |
| Snake Knowledge | 0 | - | 4.49 | 18,719 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,761 |
| Animals that Start with L | 0 | - | 4.47 | 101,206 |
| Animals that Start with P | 0 | - | 4.45 | 85,603 |
| Animals that Start with S | 0 | - | 4.49 | 86,769 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,890 |
| Top World Languages | 0 | - | 4.92 | 812,218 |
| Spanish Food Words | 0 | - | 4.64 | 248,636 |
| Animals: No Vowels #2 | 0 | - | 4.57 | 21,402 |
| Spanish Name Translation | 0 | - | 4.14 | 167,914 |
| Words that are Animals | 0 | - | 3.88 | 41,403 |
| Extinct Animals | 0 | - | 4.18 | 27,396 |
| Primate Knowledge | 0 | - | 4.17 | 15,262 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,221 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,206 |
| Animals in the News | 0 | - | 4.37 | 26,709 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,383 |
| Largest Types of Birds | 0 | - | 4.19 | 26,884 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,676 |
| Fish Knowledge | 0 | - | 4.38 | 25,479 |
| Megadiverse Countries | 0 | - | 4.97 | 133,841 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,376 |
| Countries by Official Language | 0 | - | 4.95 | 192,624 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,301 |
| Places in their Native Language #2 | 0 | - | 4.85 | 122,908 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,933 |
| Countries in their Native Language | 0 | - | 4.99 | 196,503 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,537 |
| Official European Union Languages | 0 | - | 4.97 | 236,386 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,617 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,679 |
| Song Title Translation - Spanish | 0 | - | 4.56 | 35,699 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,330 |
| Mammals in the Answer | 0 | - | 4.35 | 29,915 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,268 |
| Animals A-Z #2 | 0 | - | 4.11 | 66,020 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,510 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,755 |
| Animal Decoder | 0 | - | 4.06 | 15,456 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,190 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,174 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,595 |
| Animals that Start with A | 0 | - | 4.26 | 111,182 |
| Animals that Start with B | 0 | - | 4.31 | 112,672 |
| Animals that Start with C | 0 | - | 4.23 | 92,168 |
| Animals that Start with D | 0 | - | 4.25 | 86,096 |
| Animals that Start with E | 0 | - | 4.28 | 73,346 |
| Animals that Start with F | 0 | - | 4.28 | 106,475 |
| Animals that Start with G | 0 | - | 4.25 | 79,636 |
| Animals that Start with K | 0 | - | 4.06 | 66,156 |
| Animals that Start with M | 0 | - | 4.24 | 83,521 |
| Animals that Start with R | 0 | - | 4.27 | 86,589 |
| Animals that Start with T | 0 | - | 4.32 | 90,605 |
| Animals that Start with H | 0 | - | 4.31 | 85,839 |
| Animals that Start with O | 0 | - | 4.27 | 88,183 |
| Animals that Start with W | 0 | - | 4.35 | 46,806 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,344 |
| Countries with Fjords | 0 | - | 4.93 | 100,164 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,251 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,154 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,647 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,252 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 24,597 |
| Spanish Loan Words | 0 | - | 4.23 | 45,757 |
| German-Speaking Countries | 0 | - | 4.89 | 123,482 |
| French-Speaking Countries | 0 | - | 4.85 | 268,648 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,288 |
| World's Longest Rivers | 0 | - | 4.87 | 120,984 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 161,627 |
| English Speaking Countries | 0 | - | 4.68 | 355,918 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,349 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 70,608 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,294 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,557 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,036 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,220 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,826 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,502 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,412 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,787 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,559 |
| Countries With No Rivers | 0 | - | 4.96 | 75,996 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,185 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,727 |
| North Sea Countries | 0 | - | 4.92 | 86,574 |
| Black Sea Countries | 0 | - | 4.87 | 60,311 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 64,987 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,084 |
| Seas on the World Map | 0 | - | 4.96 | 133,729 |
| Seas of the World | 0 | - | 5.00 | 154,116 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,931 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,229 |
| Name an Official Language A-Z | 0 | - | 4.90 | 174,612 |
| Baby, Male and Female Animals | 0 | - | 4.42 | 149,556 |
| Animal Adjectives | 0 | - | 4.77 | 59,812 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,928 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,503 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,191 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,885 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,049 |
| Animals that Start with N | 0 | - | 3.73 | 31,339 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,324 |
| Geologic Time Scale | 0 | - | 4.46 | 9,906 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,194 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,659 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,640 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,846 |
| Random Name Translation | 0 | - | 4.52 | 42,099 |
| Slavic Languages | 0 | - | 4.67 | 53,938 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,413 |
| Translations of John | 0 | - | 4.53 | 26,796 |
| Italian Name Translation | 0 | - | 4.80 | 44,925 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 57,399 |
| French Food Words | 0 | - | 4.78 | 193,399 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,617 |
| Biggest Animals by Category | 0 | - | 4.18 | 72,923 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,569 |
| Animal Sounds | 0 | - | 4.26 | 191,094 |
| Animals of Australia | 0 | - | 4.52 | 42,137 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,234 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,193 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,872 |
| Animal Emojis | 0 | - | 4.69 | 83,240 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,039 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,847 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,732 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,871 |
| Birds by Picture #1 | 0 | - | 4.46 | 41,060 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,814 |
| Birds in the Answer | 0 | - | 4.56 | 52,684 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,601 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,727 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,146 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,139 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,442 |
| Biggest Lakes in the World | 0 | - | 4.62 | 88,963 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,081 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,138 |
| Famous Rivers | 0 | - | 4.74 | 104,476 |
| City to River #1 | 0 | - | 4.59 | 35,741 |
| Most Populous River Basins | 0 | - | 4.61 | 39,533 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,093 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 95,897 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,728 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,139 |
| Flowers by Picture | 0 | - | 4.46 | 104,987 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 216,383 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,030 |
| Italian Food Words | 0 | - | 4.29 | 70,741 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,887 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,455 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,908 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,807 |
| Dog Knowledge | 0 | - | 4.46 | 34,156 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,977 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 29,974 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,905 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,298 |
| Biggest City by River | 0 | - | 4.41 | 52,684 |
| City to River #2 - Difficult | 0 | - | 4.63 | 25,750 |
| Largest Rivers by Discharge | 0 | - | 4.53 | 15,916 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 411,045 |
| Plants by Picture | 0 | - | 4.24 | 14,330 |
| Trees in the Answer | 0 | - | 4.25 | 45,726 |
