| Baby, Male and Female Animals | 0 | - | 4.43 | 151,132 |
| Animal Adjectives | 0 | - | 4.77 | 60,209 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,099 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,029 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,495 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,481 |
| Animals of Australia | 0 | - | 4.53 | 42,499 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,072 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,071 |
| Birds in the Answer | 0 | - | 4.56 | 52,932 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,008 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,296 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,476 |
| Animal Sounds | 0 | - | 4.27 | 192,045 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,621 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,489 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,880 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,519 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,358 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,581 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,935 |
| Metals of Antiquity | 0 | - | 4.95 | 93,948 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,614 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,188 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,742 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,446 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,584 |
| Animal Group Names | 0 | - | 4.07 | 23,288 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,820 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,557 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,470 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,737 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,825 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,500 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,756 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.98 | 110,027 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,677 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,332 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,166 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,646 |
| Birds A-Z | 0 | - | 4.24 | 36,630 |
| Bear in the Answers | 0 | - | 4.29 | 62,276 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,661 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,746 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,228 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,864 |
| Horse Vocabulary | 0 | - | 4.23 | 22,804 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,210 |
| Countries with Glaciers | 0 | - | 4.97 | 105,820 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,980 |
| Countries with the Most Forest | 0 | - | 4.87 | 148,004 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,916 |
| Types of Bears | 0 | - | 4.50 | 143,946 |
| Deadly Animals | 0 | - | 4.02 | 110,813 |
| Famous Animals #1 | 0 | - | 4.03 | 239,990 |
| Famous Animals #2 | 0 | - | 4.02 | 57,592 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,421 |
| Animal Facts | 0 | - | 4.15 | 43,045 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,035 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,356 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,623 |
| Cat Knowledge | 0 | - | 4.49 | 25,880 |
| Bear Knowledge | 0 | - | 4.54 | 35,170 |
| Cow Knowledge | 0 | - | 4.46 | 24,314 |
| Elephant Knowledge | 0 | - | 4.41 | 24,011 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,365 |
| Human Taxonomy | 0 | - | 4.70 | 18,995 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,153 |
| Big Cats | 0 | - | 3.91 | 67,900 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,502 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 36,227 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,869 |
| French Animal Words | 0 | - | 4.44 | 135,006 |
| Spanish Animal Words | 0 | - | 4.53 | 95,986 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,626 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,498 |
| Name that Bug | 0 | - | 4.12 | 45,646 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,178 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,066 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,830 |
| Bird in the Answers | 0 | - | 4.11 | 33,975 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,246 |
| Horse Knowledge | 0 | - | 4.46 | 24,138 |
| Snake Knowledge | 0 | - | 4.49 | 18,879 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,504 |
| Famous Cats | 0 | - | 4.08 | 18,102 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,517 |
| Elements by Picture | 0 | - | 4.27 | 70,334 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,539 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,563 |
| African Great Lakes | 0 | - | 4.82 | 67,003 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,057 |
| Pack Animals | 0 | - | 4.20 | 10,442 |
| Lion Trivia | 0 | - | 4.19 | 16,440 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,671 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,729 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,574 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,456 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,014 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,584 |
| Animals that Start with L | 0 | - | 4.47 | 102,456 |
| Animals that Start with P | 0 | - | 4.45 | 86,487 |
| Animals that Start with S | 0 | - | 4.49 | 87,680 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,671 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,353 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,195 |
| Elements Named for Countries | 0 | - | 4.52 | 24,975 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,476 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,407 |
| Body Part Words | 0 | - | 4.43 | 146,412 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 177,094 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,921 |
| Human Body A-Z | 0 | - | 4.51 | 130,064 |
| One-Syllable Human Body Parts | 0 | - | 4.30 | 88,551 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,738 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,868 |
| Least-Forested Countries | 0 | - | 4.53 | 65,426 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,352 |
| African Physical Geography | 0 | - | 4.51 | 31,823 |
| Asian Physical Geography | 0 | - | 4.61 | 35,624 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,964 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,406 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,969 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,363 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,745 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,618 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,699 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,472 |
| Words that are Animals | 0 | - | 3.85 | 41,515 |
| Extinct Animals | 0 | - | 4.13 | 27,583 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,929 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,532 |
| Primate Knowledge | 0 | - | 4.17 | 15,351 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,386 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,313 |
| Dog Knowledge | 0 | - | 4.46 | 34,557 |
| Largest Types of Birds | 0 | - | 4.19 | 27,026 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,783 |
| Fish Knowledge | 0 | - | 4.38 | 25,751 |
| Animals that Start with A | 0 | - | 4.26 | 112,461 |
| Animals that Start with B | 0 | - | 4.31 | 114,168 |
| Animals that Start with C | 0 | - | 4.21 | 93,552 |
| Animals that Start with D | 0 | - | 4.25 | 87,286 |
| Animals that Start with E | 0 | - | 4.28 | 74,192 |
| Animals that Start with F | 0 | - | 4.28 | 107,462 |
| Animals that Start with G | 0 | - | 4.25 | 80,404 |
| Animals that Start with K | 0 | - | 4.07 | 66,751 |
| Animals that Start with M | 0 | - | 4.23 | 84,294 |
| Animals that Start with R | 0 | - | 4.28 | 87,679 |
| Animals that Start with T | 0 | - | 4.32 | 92,130 |
| Animals that Start with H | 0 | - | 4.31 | 86,587 |
| Animals that Start with O | 0 | - | 4.27 | 88,835 |
| Animals that Start with W | 0 | - | 4.36 | 47,375 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,271 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,830 |
| The Diseases They Had | 0 | - | 4.15 | 14,073 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,196 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 37,956 |
| Geological Extremes | 0 | - | 4.34 | 40,113 |
| Landforms by Country | 0 | - | 4.52 | 52,023 |
| European Physical Geography | 0 | - | 4.26 | 33,599 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,209 |
| Rivers of the United States | 0 | - | 4.93 | 66,704 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,095 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,800 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,904 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,391 |
| National Animals | 0 | - | 4.24 | 90,232 |
| Mammals in the Answer | 0 | - | 4.35 | 30,001 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,743 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,451 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,724 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,920 |
| Animal Decoder | 0 | - | 4.06 | 15,600 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,323 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 114,092 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,820 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,948 |
| Animals that Start with N | 0 | - | 3.73 | 31,844 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,775 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,479 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,187 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,726 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,939 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,738 |
| Capitals by River | 0 | - | 4.55 | 48,389 |
| South China Sea Countries | 0 | - | 4.78 | 57,858 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,112 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,898 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,372 |
| Disney Animals | 0 | - | 4.27 | 241,093 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,118 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,249 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,933 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,613 |
| Brand-Name Animals | 0 | - | 4.16 | 74,682 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,688 |
| Dog in the Answers | 0 | - | 4.16 | 68,861 |
| Famous Dogs | 0 | - | 4.02 | 28,040 |
| South American Physical Geography | 0 | - | 4.58 | 18,406 |
