| Spanish Animal Words | 0 | - | 4.53 | 95,459 |
| French-Speaking Countries | 0 | - | 4.85 | 269,226 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,519 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,999 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,159 |
| Animal Stereotypes | 0 | - | 4.48 | 36,903 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,473 |
| Types of Bears | 0 | - | 4.51 | 143,153 |
| Deadly Animals | 0 | - | 4.03 | 109,977 |
| Famous Animals #1 | 0 | - | 4.03 | 238,929 |
| Famous Animals #2 | 0 | - | 4.02 | 57,352 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,169 |
| Animal Facts | 0 | - | 4.15 | 42,925 |
| Cat Knowledge | 0 | - | 4.49 | 25,740 |
| Bear Knowledge | 0 | - | 4.54 | 35,006 |
| Cow Knowledge | 0 | - | 4.46 | 24,193 |
| Elephant Knowledge | 0 | - | 4.41 | 23,915 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,018 |
| Human Taxonomy | 0 | - | 4.68 | 18,875 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,559 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,703 |
| French Food Words | 0 | - | 4.78 | 193,926 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,424 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,377 |
| Name that Bug | 0 | - | 4.12 | 45,472 |
| Pack Animals | 0 | - | 4.23 | 10,340 |
| Lion Trivia | 0 | - | 4.19 | 16,375 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,616 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,463 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,311 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,927 |
| Bird in the Answers | 0 | - | 4.10 | 33,340 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,119 |
| Horse Knowledge | 0 | - | 4.45 | 23,965 |
| Snake Knowledge | 0 | - | 4.49 | 18,751 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,927 |
| Animals that Start with L | 0 | - | 4.47 | 101,601 |
| Animals that Start with P | 0 | - | 4.45 | 85,864 |
| Animals that Start with S | 0 | - | 4.49 | 87,039 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,683 |
| Top World Languages | 0 | - | 4.92 | 815,130 |
| Animals: No Vowels #2 | 0 | - | 4.57 | 21,684 |
| Words that are Animals | 0 | - | 3.88 | 41,426 |
| Extinct Animals | 0 | - | 4.18 | 27,431 |
| Primate Knowledge | 0 | - | 4.17 | 15,276 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,246 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,220 |
| Animals in the News | 0 | - | 4.37 | 26,738 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,406 |
| Largest Types of Birds | 0 | - | 4.19 | 26,911 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,700 |
| Fish Knowledge | 0 | - | 4.38 | 25,532 |
| Megadiverse Countries | 0 | - | 4.97 | 134,252 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,680 |
| Countries by Official Language | 0 | - | 4.95 | 193,114 |
| Places in their Native Language #1 | 0 | - | 4.84 | 239,789 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,139 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,619 |
| Countries in their Native Language | 0 | - | 4.99 | 196,960 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,732 |
| Official European Union Languages | 0 | - | 4.97 | 237,271 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,101 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,122 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,369 |
| Mammals in the Answer | 0 | - | 4.35 | 29,926 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,490 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,116 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,543 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,790 |
| Animal Decoder | 0 | - | 4.06 | 15,477 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,212 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,265 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,636 |
| Animals that Start with A | 0 | - | 4.26 | 111,694 |
| Animals that Start with B | 0 | - | 4.31 | 113,397 |
| Animals that Start with C | 0 | - | 4.23 | 92,545 |
| Animals that Start with D | 0 | - | 4.25 | 86,673 |
| Animals that Start with E | 0 | - | 4.28 | 73,645 |
| Animals that Start with F | 0 | - | 4.28 | 106,774 |
| Animals that Start with G | 0 | - | 4.25 | 79,881 |
| Animals that Start with K | 0 | - | 4.07 | 66,363 |
| Animals that Start with M | 0 | - | 4.23 | 83,746 |
| Animals that Start with R | 0 | - | 4.27 | 87,144 |
| Animals that Start with T | 0 | - | 4.32 | 91,178 |
| Animals that Start with H | 0 | - | 4.31 | 86,054 |
| Animals that Start with O | 0 | - | 4.27 | 88,361 |
| Animals that Start with W | 0 | - | 4.36 | 46,977 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,441 |
| Countries with Fjords | 0 | - | 4.93 | 100,328 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,362 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,245 |
| Spanish to English Country Names | 0 | - | 4.85 | 32,279 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,961 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,390 |
| German-Speaking Countries | 0 | - | 4.89 | 123,593 |
| Italian Name Translation | 0 | - | 4.81 | 45,540 |
| French Phrases used in English | 0 | - | 4.16 | 46,574 |
| Song Title Translation - French | 0 | - | 4.55 | 26,821 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,307 |
| World's Longest Rivers | 0 | - | 4.88 | 121,296 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 162,290 |
| English Speaking Countries | 0 | - | 4.64 | 356,310 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,456 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,856 |
| Top African Languages on a Map | 0 | - | 4.92 | 72,874 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,768 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,250 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.96 | 124,368 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,975 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,472 |
| Proverbs Translated into French | 0 | - | 4.19 | 14,940 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,300 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,841 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,520 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,521 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,013 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,750 |
| Countries With No Rivers | 0 | - | 4.96 | 76,123 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,368 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,785 |
| North Sea Countries | 0 | - | 4.92 | 86,689 |
| Black Sea Countries | 0 | - | 4.87 | 60,380 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,083 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,163 |
| Seas on the World Map | 0 | - | 4.96 | 134,515 |
| Seas of the World | 0 | - | 5.00 | 154,874 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,993 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,384 |
| Name an Official Language A-Z | 0 | - | 4.91 | 175,064 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,817 |
| Animal Adjectives | 0 | - | 4.77 | 59,871 |
| Animals by Skeleton Image | 0 | - | 4.80 | 46,101 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,120 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,343 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,994 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,287 |
| Animals that Start with N | 0 | - | 3.73 | 31,518 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,364 |
| Geologic Time Scale | 0 | - | 4.46 | 9,942 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,335 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,734 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,884 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,034 |
| Random Name Translation | 0 | - | 4.52 | 42,207 |
| Slavic Languages | 0 | - | 4.68 | 54,068 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,458 |
| Translations of John | 0 | - | 4.53 | 26,913 |
| Count to 10 in Europe | 0 | - | 4.63 | 165,364 |
| Colors in Europe Quiz | 0 | - | 4.50 | 51,228 |
| European Greetings | 0 | - | 4.41 | 61,048 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 57,565 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,708 |
| Biggest Animals by Category | 0 | - | 4.18 | 72,985 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,720 |
| Animal Sounds | 0 | - | 4.26 | 191,287 |
| Animals of Australia | 0 | - | 4.52 | 42,193 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,287 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,252 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,963 |
| Animal Emojis | 0 | - | 4.70 | 83,503 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,199 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,040 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,856 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,962 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,255 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,964 |
| Birds in the Answer | 0 | - | 4.56 | 52,725 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,672 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,747 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,181 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,163 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,492 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,086 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,165 |
| Famous Rivers | 0 | - | 4.74 | 104,616 |
| City to River #1 | 0 | - | 4.59 | 35,760 |
| Most Populous River Basins | 0 | - | 4.61 | 39,580 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,162 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,024 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,823 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,347 |
| Flowers by Picture | 0 | - | 4.46 | 105,084 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,426 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,360 |
| Spanish Name Translation | 0 | - | 4.13 | 168,112 |
| Days of the Week in Europe | 0 | - | 4.53 | 29,715 |
| Spanish Food Words | 0 | - | 4.64 | 249,548 |
| Italian Food Words | 0 | - | 4.29 | 70,915 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 42,938 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,498 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,058 |
| Birds by Picture #3 | 0 | - | 4.24 | 32,935 |
| Dog Knowledge | 0 | - | 4.46 | 34,221 |
| Landforms by Description Quiz | 0 | - | 4.33 | 25,985 |
| Gulfs and Bays on the World Map | 0 | - | 4.61 | 30,071 |
| Famous Lakes Quiz | 0 | - | 4.52 | 23,929 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,358 |
| Biggest City by River | 0 | - | 4.41 | 52,718 |
| Rivers by City | 0 | - | 4.38 | 31,656 |
| City to River #2 - Difficult | 0 | - | 4.64 | 25,830 |
