| Spanish Animal Words | 0 | - | 4.53 | 95,403 |
| French-Speaking Countries | 0 | - | 4.85 | 268,983 |
| Animal Varieties Quiz #1 | 0 | - | 4.48 | 92,450 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,973 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,120 |
| Animal Stereotypes | 0 | - | 4.48 | 36,822 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,430 |
| Types of Bears | 0 | - | 4.51 | 143,126 |
| Deadly Animals | 0 | - | 4.03 | 109,927 |
| Famous Animals #1 | 0 | - | 4.03 | 238,867 |
| Famous Animals #2 | 0 | - | 4.02 | 57,334 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,156 |
| Animal Facts | 0 | - | 4.15 | 42,915 |
| Cat Knowledge | 0 | - | 4.49 | 25,725 |
| Bear Knowledge | 0 | - | 4.54 | 34,997 |
| Cow Knowledge | 0 | - | 4.46 | 24,175 |
| Elephant Knowledge | 0 | - | 4.41 | 23,906 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 55,999 |
| Human Taxonomy | 0 | - | 4.68 | 18,856 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,530 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,633 |
| French Food Words | 0 | - | 4.78 | 193,723 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,403 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,364 |
| Name that Bug | 0 | - | 4.12 | 45,460 |
| Pack Animals | 0 | - | 4.23 | 10,335 |
| Lion Trivia | 0 | - | 4.19 | 16,372 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,607 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,457 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,305 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,914 |
| Bird in the Answers | 0 | - | 4.10 | 33,307 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,112 |
| Horse Knowledge | 0 | - | 4.45 | 23,953 |
| Snake Knowledge | 0 | - | 4.49 | 18,734 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,853 |
| Animals that Start with L | 0 | - | 4.47 | 101,347 |
| Animals that Start with P | 0 | - | 4.45 | 85,726 |
| Animals that Start with S | 0 | - | 4.49 | 86,915 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,347 |
| Top World Languages | 0 | - | 4.92 | 813,895 |
| Animals: No Vowels #2 | 0 | - | 4.57 | 21,562 |
| Words that are Animals | 0 | - | 3.88 | 41,418 |
| Extinct Animals | 0 | - | 4.18 | 27,416 |
| Primate Knowledge | 0 | - | 4.17 | 15,269 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,237 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,217 |
| Animals in the News | 0 | - | 4.37 | 26,724 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,397 |
| Largest Types of Birds | 0 | - | 4.19 | 26,902 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,691 |
| Fish Knowledge | 0 | - | 4.38 | 25,505 |
| Megadiverse Countries | 0 | - | 4.97 | 133,954 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,592 |
| Countries by Official Language | 0 | - | 4.95 | 192,902 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,601 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,028 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,311 |
| Countries in their Native Language | 0 | - | 4.99 | 196,756 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,642 |
| Official European Union Languages | 0 | - | 4.97 | 237,059 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,778 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,930 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,357 |
| Mammals in the Answer | 0 | - | 4.35 | 29,921 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,395 |
| Animals A-Z #2 | 0 | - | 4.11 | 66,066 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,531 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,774 |
| Animal Decoder | 0 | - | 4.06 | 15,470 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,204 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,230 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,620 |
| Animals that Start with A | 0 | - | 4.26 | 111,416 |
| Animals that Start with B | 0 | - | 4.31 | 113,241 |
| Animals that Start with C | 0 | - | 4.23 | 92,396 |
| Animals that Start with D | 0 | - | 4.25 | 86,539 |
| Animals that Start with E | 0 | - | 4.28 | 73,518 |
| Animals that Start with F | 0 | - | 4.28 | 106,652 |
| Animals that Start with G | 0 | - | 4.25 | 79,767 |
| Animals that Start with K | 0 | - | 4.06 | 66,269 |
| Animals that Start with M | 0 | - | 4.23 | 83,637 |
| Animals that Start with R | 0 | - | 4.27 | 87,048 |
| Animals that Start with T | 0 | - | 4.32 | 90,718 |
| Animals that Start with H | 0 | - | 4.31 | 85,956 |
| Animals that Start with O | 0 | - | 4.27 | 88,275 |
| Animals that Start with W | 0 | - | 4.35 | 46,901 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,403 |
| Countries with Fjords | 0 | - | 4.93 | 100,255 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,307 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,205 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,151 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,729 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,339 |
| German-Speaking Countries | 0 | - | 4.89 | 123,542 |
| Italian Name Translation | 0 | - | 4.81 | 45,201 |
| French Phrases used in English | 0 | - | 4.16 | 46,552 |
| Song Title Translation - French | 0 | - | 4.55 | 26,797 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,297 |
| World's Longest Rivers | 0 | - | 4.88 | 121,161 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 161,987 |
| English Speaking Countries | 0 | - | 4.64 | 356,144 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 113,401 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,763 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,598 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,687 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,176 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,299 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,871 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,350 |
| Proverbs Translated into French | 0 | - | 4.19 | 14,922 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,268 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,836 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,516 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,479 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,931 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,660 |
| Countries With No Rivers | 0 | - | 4.96 | 76,068 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,293 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,761 |
| North Sea Countries | 0 | - | 4.92 | 86,648 |
| Black Sea Countries | 0 | - | 4.87 | 60,357 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,043 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,140 |
| Seas on the World Map | 0 | - | 4.96 | 134,377 |
| Seas of the World | 0 | - | 5.00 | 154,563 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,352 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,972 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,313 |
| Name an Official Language A-Z | 0 | - | 4.91 | 174,884 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,714 |
| Animal Adjectives | 0 | - | 4.77 | 59,846 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,038 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,971 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,287 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,950 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,177 |
| Animals that Start with N | 0 | - | 3.73 | 31,434 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,346 |
| Geologic Time Scale | 0 | - | 4.46 | 9,931 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,276 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,710 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,796 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,968 |
| Random Name Translation | 0 | - | 4.52 | 42,149 |
| Slavic Languages | 0 | - | 4.67 | 54,026 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,440 |
| Translations of John | 0 | - | 4.53 | 26,837 |
| Count to 10 in Europe | 0 | - | 4.63 | 165,270 |
| Colors in Europe Quiz | 0 | - | 4.50 | 51,199 |
| European Greetings | 0 | - | 4.41 | 61,021 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 57,495 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,682 |
| Biggest Animals by Category | 0 | - | 4.18 | 72,961 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,661 |
| Animal Sounds | 0 | - | 4.26 | 191,215 |
| Animals of Australia | 0 | - | 4.52 | 42,170 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,267 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,221 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,920 |
| Animal Emojis | 0 | - | 4.69 | 83,385 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,127 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,963 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,802 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,926 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,178 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,906 |
| Birds in the Answer | 0 | - | 4.56 | 52,706 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,640 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,739 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,167 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,156 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,469 |
| Biggest Lakes in the World | 0 | - | 4.62 | 89,039 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,139 |
| Famous Rivers | 0 | - | 4.74 | 104,558 |
| City to River #1 | 0 | - | 4.59 | 35,750 |
| Most Populous River Basins | 0 | - | 4.61 | 39,555 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,132 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 95,964 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,783 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,255 |
| Flowers by Picture | 0 | - | 4.46 | 105,036 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,008 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,225 |
| Spanish Name Translation | 0 | - | 4.13 | 168,016 |
| Days of the Week in Europe | 0 | - | 4.53 | 29,701 |
| Spanish Food Words | 0 | - | 4.64 | 249,204 |
| Italian Food Words | 0 | - | 4.29 | 70,835 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,913 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,476 |
| Birds by Picture #2 | 0 | - | 4.33 | 35,991 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,889 |
| Dog Knowledge | 0 | - | 4.46 | 34,193 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,980 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,036 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,919 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,331 |
| Biggest City by River | 0 | - | 4.41 | 52,706 |
| Rivers by City | 0 | - | 4.38 | 31,643 |
