| French Animal Words | 0 | - | 4.44 | 134,837 |
| Spanish Animal Words | 0 | - | 4.53 | 95,880 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,406 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,076 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,131 |
| Animal Varieties #3 | 0 | - | 4.52 | 55,527 |
| Animal Stereotypes | 0 | - | 4.48 | 37,416 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,734 |
| Head to Head - Animals | 0 | - | 4.88 | 69,839 |
| Types of Bears | 0 | - | 4.51 | 143,881 |
| Bear Knowledge | 0 | - | 4.54 | 35,138 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,313 |
| Animals in World History | 0 | - | 4.74 | 44,627 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,797 |
| Deadly Animals | 0 | - | 4.02 | 110,728 |
| Famous Animals #1 | 0 | - | 4.03 | 239,873 |
| Famous Animals #2 | 0 | - | 4.02 | 57,569 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,386 |
| Animal Facts | 0 | - | 4.15 | 43,024 |
| Cat Knowledge | 0 | - | 4.48 | 25,855 |
| Cow Knowledge | 0 | - | 4.46 | 24,296 |
| Elephant Knowledge | 0 | - | 4.41 | 23,994 |
| Human Taxonomy | 0 | - | 4.70 | 18,961 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,777 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,716 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,286 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,595 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,484 |
| Name that Bug | 0 | - | 4.12 | 45,608 |
| Bird in the Answers | 0 | - | 4.11 | 33,891 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,223 |
| Horse Knowledge | 0 | - | 4.46 | 24,100 |
| Snake Knowledge | 0 | - | 4.49 | 18,852 |
| Pack Animals | 0 | - | 4.20 | 10,420 |
| Lion Trivia | 0 | - | 4.19 | 16,427 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,703 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,537 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,429 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,002 |
| Animals that Start with L | 0 | - | 4.47 | 102,339 |
| Animals that Start with P | 0 | - | 4.45 | 86,388 |
| Animals that Start with S | 0 | - | 4.49 | 87,585 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,111 |
| Top World Languages | 0 | - | 4.92 | 827,247 |
| Words that are Animals | 0 | - | 3.85 | 41,498 |
| Extinct Animals | 0 | - | 4.16 | 27,555 |
| Primate Knowledge | 0 | - | 4.17 | 15,331 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,348 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,289 |
| Animals in the News | 0 | - | 4.37 | 26,820 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,496 |
| Animals: No Vowels #2 | 0 | - | 4.50 | 22,617 |
| Largest Types of Birds | 0 | - | 4.19 | 27,005 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,769 |
| Fish Knowledge | 0 | - | 4.38 | 25,707 |
| Megadiverse Countries | 0 | - | 4.96 | 135,157 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,909 |
| Countries by Official Language | 0 | - | 4.95 | 195,649 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,931 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,117 |
| Countries in their Native Language | 0 | - | 4.99 | 199,424 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,545 |
| Official European Union Languages | 0 | - | 4.97 | 239,384 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,413 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,448 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,455 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,846 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,482 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,655 |
| Animals that Start with A | 0 | - | 4.26 | 112,342 |
| Animals that Start with B | 0 | - | 4.31 | 114,050 |
| Animals that Start with C | 0 | - | 4.21 | 93,446 |
| Animals that Start with D | 0 | - | 4.25 | 87,188 |
| Animals that Start with E | 0 | - | 4.28 | 74,108 |
| Animals that Start with F | 0 | - | 4.28 | 107,356 |
| Animals that Start with G | 0 | - | 4.25 | 80,324 |
| Animals that Start with K | 0 | - | 4.07 | 66,685 |
| Animals that Start with M | 0 | - | 4.23 | 84,220 |
| Animals that Start with R | 0 | - | 4.28 | 87,595 |
| Animals that Start with T | 0 | - | 4.32 | 92,025 |
| Animals that Start with H | 0 | - | 4.31 | 86,513 |
| Animals that Start with O | 0 | - | 4.27 | 88,763 |
| Animals that Start with W | 0 | - | 4.36 | 47,312 |
| Mammals in the Answer | 0 | - | 4.35 | 29,989 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,269 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,690 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,897 |
| Animal Decoder | 0 | - | 4.06 | 15,573 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,301 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,796 |
| Animals by Alternate Etymology | 0 | - | 3.49 | 9,635 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,786 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,976 |
| Countries with Fjords | 0 | - | 4.94 | 101,187 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,827 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,631 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,644 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,596 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,868 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,589 |
| German-Speaking Countries | 0 | - | 4.92 | 145,897 |
| Italian Name Translation | 0 | - | 4.83 | 47,647 |
| French-Speaking Countries | 0 | - | 4.85 | 271,306 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,371 |
| Animals that Start with N | 0 | - | 3.73 | 31,798 |
| World's Longest Rivers | 0 | - | 4.90 | 137,340 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,906 |
| English Speaking Countries | 0 | - | 4.64 | 357,924 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,915 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,859 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,887 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,446 |
| Category Elimination - Official Languages | 0 | - | 4.98 | 70,203 |
| Official and Regional Languages of Europe on a Map | 0 | - | 4.99 | 112,803 |
| Official and Regional Languages of Asia on a Map | 0 | - | 5.00 | 69,020 |
| Top 10 Countries with the Most Spanish Speakers | 0 | - | 4.95 | 124,832 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,950 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,623 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,674 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,914 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,596 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,721 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,844 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,137 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,714 |
| Countries With No Rivers | 0 | - | 4.96 | 77,032 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,470 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,122 |
| North Sea Countries | 0 | - | 4.92 | 87,605 |
| Black Sea Countries | 0 | - | 4.87 | 60,700 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,510 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,616 |
| Seas on the World Map | 0 | - | 4.96 | 135,763 |
| Seas of the World | 0 | - | 5.00 | 157,869 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,334 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 79,161 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 59,652 |
| Trace the Coast of the World Map | 0 | - | 4.99 | 56,058 |
| Places in their Native Language #2 | 0 | - | 4.80 | 134,793 |
| 15 Most Populous Countries that Speak a Romance Language | 0 | - | 4.75 | 127,986 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,626 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,902 |
| Animal Adjectives | 0 | - | 4.77 | 60,149 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,810 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,887 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,409 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,224 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,584 |
| Geologic Time Scale | 0 | - | 4.41 | 10,055 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,904 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,093 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,680 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,199 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,809 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,676 |
| Random Name Translation | 0 | - | 4.52 | 42,767 |
| Slavic Languages | 0 | - | 4.68 | 54,593 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,621 |
| Translations of John | 0 | - | 4.53 | 27,303 |
| Countries With the Most Italian Speakers | 0 | - | 4.49 | 58,123 |
| French Food Words | 0 | - | 4.80 | 195,685 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,921 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,247 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,311 |
| Animal Sounds | 0 | - | 4.26 | 191,937 |
| Animals of Australia | 0 | - | 4.52 | 42,432 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,553 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,455 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,372 |
| Animal Emojis | 0 | - | 4.74 | 85,032 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,739 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,727 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,385 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,248 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,931 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,439 |
| Birds in the Answer | 0 | - | 4.56 | 52,903 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,964 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,839 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,286 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,274 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,694 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,828 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,565 |
| Famous Rivers | 0 | - | 4.75 | 105,165 |
| City to River #1 | 0 | - | 4.59 | 35,884 |
| Most Populous River Basins | 0 | - | 4.55 | 39,778 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,426 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 97,019 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,764 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,223 |
| Flowers by Picture | 0 | - | 4.46 | 105,800 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,705 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,605 |
| Spanish Name Translation | 0 | - | 4.13 | 169,196 |
| Spanish Food Words | 0 | - | 4.67 | 253,240 |
| Italian Food Words | 0 | - | 4.27 | 71,581 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,582 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,128 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,685 |
