| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,513 |
| Bird in the Answers | 0 | - | 4.11 | 33,981 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,247 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,982 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,832 |
| Birds in the Answer | 0 | - | 4.56 | 52,934 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,010 |
| Largest Types of Birds | 0 | - | 4.19 | 27,026 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,784 |
| Animals in World History | 0 | - | 4.74 | 44,686 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,910 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,151 |
| Animal Adjectives | 0 | - | 4.77 | 60,214 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,832 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,397 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,113 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,033 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,503 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,492 |
| Birds A-Z | 0 | - | 4.24 | 36,636 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,629 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,498 |
| Name that Bug | 0 | - | 4.12 | 45,648 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,235 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,865 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,436 |
| Animal Emojis | 0 | - | 4.74 | 85,320 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,085 |
| Animals that Start with L | 0 | - | 4.47 | 102,467 |
| Animals that Start with P | 0 | - | 4.45 | 86,494 |
| Animals that Start with S | 0 | - | 4.49 | 87,692 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,961 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,298 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,486 |
| Animal Sounds | 0 | - | 4.27 | 192,061 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,624 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,495 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,809 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,895 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,522 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,362 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,586 |
| Words that are Animals | 0 | - | 3.85 | 41,517 |
| Extinct Animals | 0 | - | 4.13 | 27,584 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,387 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,314 |
| Animals in the News | 0 | - | 4.37 | 26,841 |
| Megadiverse Countries | 0 | - | 4.96 | 142,465 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,615 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,474 |
| Mammals in the Answer | 0 | - | 4.35 | 30,004 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,463 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,935 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,536 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,730 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,924 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,574 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,711 |
| Animal Decoder | 0 | - | 4.06 | 15,602 |
| Animal Group Names | 0 | - | 4.07 | 23,292 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,323 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,822 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,673 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,472 |
| Old World... or New World? | 0 | - | 4.66 | 21,471 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,827 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,770 |
| Animals that Start with A | 0 | - | 4.26 | 112,466 |
| Animals that Start with B | 0 | - | 4.31 | 114,172 |
| Animals that Start with C | 0 | - | 4.21 | 93,560 |
| Animals that Start with D | 0 | - | 4.25 | 87,291 |
| Animals that Start with E | 0 | - | 4.28 | 74,198 |
| Animals that Start with F | 0 | - | 4.28 | 107,473 |
| Animals that Start with G | 0 | - | 4.25 | 80,414 |
| Animals that Start with K | 0 | - | 4.07 | 66,759 |
| Animals that Start with M | 0 | - | 4.23 | 84,300 |
| Animals that Start with R | 0 | - | 4.28 | 87,690 |
| Animals that Start with T | 0 | - | 4.32 | 92,138 |
| Animals that Start with H | 0 | - | 4.31 | 86,592 |
| Animals that Start with O | 0 | - | 4.27 | 88,841 |
| Animals that Start with W | 0 | - | 4.36 | 47,385 |
| Animals by Wikipedia Description | 0 | - | 4.33 | 14,361 |
| Asian Countries with NO Wolves | 0 | - | 4.60 | 19,025 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,142 |
| Countries with Fjords | 0 | - | 4.94 | 101,449 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,401 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,169 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,666 |
| Animal Stereotypes | 0 | - | 4.48 | 37,520 |
| Animal Ranges - Do They Live There? | 0 | - | 4.70 | 44,471 |
| Bear in the Answers | 0 | - | 4.29 | 62,283 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,393 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,712 |
| Head to Head - Animals | 0 | - | 4.88 | 70,045 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,749 |
| Animals that Start with N | 0 | - | 3.73 | 31,850 |
| Horse Vocabulary | 0 | - | 4.23 | 22,806 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,944 |
| Types of Bears | 0 | - | 4.50 | 143,955 |
| Deadly Animals | 0 | - | 4.02 | 110,824 |
| Famous Animals #1 | 0 | - | 4.03 | 240,004 |
| Famous Animals #2 | 0 | - | 4.02 | 57,596 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,423 |
| Animal Facts | 0 | - | 4.15 | 43,047 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,035 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,357 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,668 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,933 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,615 |
| Cat Knowledge | 0 | - | 4.49 | 25,883 |
| Bear Knowledge | 0 | - | 4.54 | 35,174 |
| Cow Knowledge | 0 | - | 4.46 | 24,315 |
| Elephant Knowledge | 0 | - | 4.41 | 24,011 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,368 |
| Human Taxonomy | 0 | - | 4.70 | 18,996 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,199 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,904 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,875 |
| Countries With No Rivers | 0 | - | 4.96 | 77,192 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 63,064 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,194 |
| North Sea Countries | 0 | - | 4.92 | 87,734 |
| Black Sea Countries | 0 | - | 4.87 | 60,769 |
| Countries That Touch the Red Sea | 0 | - | 4.91 | 65,620 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,713 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,396 |
| French Animal Words | 0 | - | 4.44 | 135,028 |
| Spanish Animal Words | 0 | - | 4.53 | 95,992 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,193 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,080 |
| Animals - Real or Fictional? | 0 | - | 4.57 | 49,854 |
| Horse Knowledge | 0 | - | 4.46 | 24,139 |
| Snake Knowledge | 0 | - | 4.49 | 18,880 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,512 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,663 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 75,031 |
| African Great Lakes | 0 | - | 4.82 | 67,028 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 116,021 |
| American Countries With No Atlantic Coastline | 0 | - | 4.93 | 92,845 |
| Animals of Australia | 0 | - | 4.53 | 42,502 |
| Pack Animals | 0 | - | 4.20 | 10,442 |
| Lion Trivia | 0 | - | 4.19 | 16,443 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,688 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,730 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,576 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,457 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,015 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,587 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,080 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,672 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,354 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,853 |
| African Physical Geography | 0 | - | 4.51 | 31,826 |
| Asian Physical Geography | 0 | - | 4.61 | 35,626 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,980 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,786 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,412 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,985 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,978 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,280 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,498 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,634 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,389 |
| Flowers by Picture | 0 | - | 4.46 | 105,879 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,190 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,746 |
| Primate Knowledge | 0 | - | 4.17 | 15,351 |
| Animals by Alternate Etymology | 0 | - | 3.49 | 9,648 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,516 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,745 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,504 |
| Dog Knowledge | 0 | - | 4.46 | 34,560 |
| Fish Knowledge | 0 | - | 4.38 | 25,755 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,281 |
| Geological Extremes | 0 | - | 4.34 | 40,116 |
| Landforms by Country | 0 | - | 4.52 | 52,026 |
| European Physical Geography | 0 | - | 4.26 | 33,601 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,214 |
| Cities on a Map of the Great Lakes | 0 | - | 4.41 | 44,748 |
| Rivers of the United States | 0 | - | 4.93 | 66,720 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 414,225 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,102 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,686 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,802 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,904 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,749 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 114,114 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,821 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,953 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,738 |
| Biggest City by River | 0 | - | 4.38 | 52,968 |
| Capitals by River | 0 | - | 4.55 | 48,392 |
| Countries by Coastline Per Capita | 0 | - | 4.59 | 23,630 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,114 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,900 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,372 |
| Disney Animals | 0 | - | 4.27 | 241,115 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,118 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,249 |
| Brand-Name Animals | 0 | - | 4.16 | 74,687 |
