| French Animal Words | 0 | - | 4.44 | 134,463 |
| Spanish Animal Words | 0 | - | 4.53 | 95,736 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,906 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,088 |
| Animal Varieties #3 | 0 | - | 4.54 | 55,404 |
| Animal Stereotypes | 0 | - | 4.48 | 37,252 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,682 |
| Deadly Animals | 0 | - | 4.03 | 110,602 |
| Famous Animals #1 | 0 | - | 4.03 | 239,678 |
| Famous Animals #2 | 0 | - | 4.02 | 57,510 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,321 |
| Animal Facts | 0 | - | 4.15 | 42,983 |
| Cat Knowledge | 0 | - | 4.48 | 25,803 |
| Cow Knowledge | 0 | - | 4.46 | 24,262 |
| Elephant Knowledge | 0 | - | 4.41 | 23,963 |
| Human Taxonomy | 0 | - | 4.68 | 18,915 |
| Types of Bears | 0 | - | 4.51 | 143,750 |
| Bear Knowledge | 0 | - | 4.54 | 35,090 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,189 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,521 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,446 |
| Name that Bug | 0 | - | 4.12 | 45,564 |
| Pack Animals | 0 | - | 4.18 | 10,384 |
| Lion Trivia | 0 | - | 4.19 | 16,410 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,665 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,508 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,385 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,968 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,690 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,103 |
| Bird in the Answers | 0 | - | 4.11 | 33,694 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,186 |
| Horse Knowledge | 0 | - | 4.46 | 24,056 |
| Snake Knowledge | 0 | - | 4.49 | 18,813 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,630 |
| Animals that Start with L | 0 | - | 4.47 | 101,931 |
| Animals that Start with P | 0 | - | 4.45 | 86,138 |
| Animals that Start with S | 0 | - | 4.49 | 87,355 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,060 |
| Top World Languages | 0 | - | 4.92 | 822,307 |
| Words that are Animals | 0 | - | 3.88 | 41,464 |
| Extinct Animals | 0 | - | 4.16 | 27,508 |
| Primate Knowledge | 0 | - | 4.17 | 15,310 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,301 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,259 |
| Animals in the News | 0 | - | 4.37 | 26,794 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,465 |
| Animals: No Vowels #2 | 0 | - | 4.49 | 22,249 |
| Largest Types of Birds | 0 | - | 4.19 | 26,973 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,737 |
| Fish Knowledge | 0 | - | 4.38 | 25,649 |
| Megadiverse Countries | 0 | - | 4.96 | 134,889 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,471 |
| Countries by Official Language | 0 | - | 4.95 | 194,948 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,948 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,967 |
| Countries in their Native Language | 0 | - | 4.99 | 198,468 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,141 |
| Official European Union Languages | 0 | - | 4.97 | 238,542 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,876 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,810 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,421 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,381 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,504 |
| Animals that Start with A | 0 | - | 4.26 | 112,103 |
| Animals that Start with B | 0 | - | 4.31 | 113,792 |
| Animals that Start with C | 0 | - | 4.21 | 93,238 |
| Animals that Start with D | 0 | - | 4.25 | 86,973 |
| Animals that Start with E | 0 | - | 4.28 | 73,927 |
| Animals that Start with F | 0 | - | 4.28 | 107,124 |
| Animals that Start with G | 0 | - | 4.25 | 80,145 |
| Animals that Start with K | 0 | - | 4.07 | 66,558 |
| Animals that Start with M | 0 | - | 4.23 | 84,017 |
| Animals that Start with R | 0 | - | 4.27 | 87,395 |
| Animals that Start with T | 0 | - | 4.32 | 91,474 |
| Animals that Start with H | 0 | - | 4.31 | 86,340 |
| Animals that Start with O | 0 | - | 4.27 | 88,587 |
| Animals that Start with W | 0 | - | 4.36 | 47,164 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,375 |
| Mammals in the Answer | 0 | - | 4.35 | 29,963 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,963 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,649 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,863 |
| Animal Decoder | 0 | - | 4.06 | 15,534 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,269 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,506 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,728 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,828 |
| Countries with Fjords | 0 | - | 4.94 | 100,902 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,683 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,495 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,126 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,397 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,696 |
| German-Speaking Countries | 0 | - | 4.92 | 145,572 |
| Italian Name Translation | 0 | - | 4.83 | 46,853 |
| French-Speaking Countries | 0 | - | 4.85 | 270,522 |
| French Food Words | 0 | - | 4.80 | 194,900 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,344 |
| Animals that Start with N | 0 | - | 3.73 | 31,675 |
| World's Longest Rivers | 0 | - | 4.90 | 136,728 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 163,857 |
| English Speaking Countries | 0 | - | 4.64 | 357,337 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,737 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,445 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,078 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,168 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 69,834 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,666 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,574 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,211 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,523 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,730 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,301 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,755 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,886 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,561 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 87,796 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,446 |
| Countries With No Rivers | 0 | - | 4.96 | 76,817 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,125 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,026 |
| North Sea Countries | 0 | - | 4.92 | 87,395 |
| Black Sea Countries | 0 | - | 4.87 | 60,604 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,383 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,480 |
| Seas on the World Map | 0 | - | 4.96 | 135,351 |
| Seas of the World | 0 | - | 5.00 | 156,924 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 413,082 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,235 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 78,796 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,026 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,477 |
| Animal Adjectives | 0 | - | 4.77 | 60,020 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,886 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,652 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,238 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,839 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,516 |
| Geologic Time Scale | 0 | - | 4.41 | 10,014 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,705 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,968 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,522 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,470 |
| Random Name Translation | 0 | - | 4.52 | 42,535 |
| Slavic Languages | 0 | - | 4.68 | 54,371 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,558 |
| Translations of John | 0 | - | 4.53 | 27,152 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 57,906 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,823 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,143 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,062 |
| Animal Sounds | 0 | - | 4.26 | 191,698 |
| Animals of Australia | 0 | - | 4.52 | 42,323 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,449 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,382 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,184 |
| Animal Emojis | 0 | - | 4.74 | 84,593 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,551 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,473 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,131 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,140 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,656 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,253 |
| Birds in the Answer | 0 | - | 4.56 | 52,843 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,876 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,799 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,241 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,236 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,627 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,633 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,403 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,510 |
| Famous Rivers | 0 | - | 4.75 | 104,969 |
| City to River #1 | 0 | - | 4.59 | 35,848 |
| Most Populous River Basins | 0 | - | 4.55 | 39,716 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,350 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,808 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,082 |
| Flowers by Picture | 0 | - | 4.46 | 105,657 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,075 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,101 |
| Spanish Name Translation | 0 | - | 4.13 | 168,892 |
| Spanish Food Words | 0 | - | 4.67 | 251,737 |
| Italian Food Words | 0 | - | 4.27 | 71,318 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 43,063 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,616 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,396 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,213 |
| Dog Knowledge | 0 | - | 4.46 | 34,381 |
| Landforms by Description Quiz | 0 | - | 4.33 | 26,018 |
| Gulfs and Bays on the World Map | 0 | - | 4.62 | 30,255 |
| Famous Lakes Quiz | 0 | - | 4.52 | 24,006 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,558 |
| Rivers by City | 0 | - | 4.38 | 31,718 |
| City to River #2 - Difficult | 0 | - | 4.64 | 26,059 |
| Largest Rivers by Discharge | 0 | - | 4.54 | 16,020 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,888 |
| Plants by Picture | 0 | - | 4.24 | 14,447 |
| Trees in the Answer | 0 | - | 4.25 | 45,850 |
