| Animal Anatomy Quiz | 0 | - | 4.39 | 59,823 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,481 |
| Animal Adjectives | 0 | - | 4.77 | 60,021 |
| Animals by Close-up Image | 0 | - | 4.42 | 217,895 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,652 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,239 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,841 |
| Animals of Australia | 0 | - | 4.52 | 42,326 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,186 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,551 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,656 |
| Birds in the Answer | 0 | - | 4.56 | 52,843 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,876 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,143 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,064 |
| Animal Sounds | 0 | - | 4.26 | 191,711 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,449 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,384 |
| 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 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,254 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,282 |
| Metals of Antiquity | 0 | - | 4.95 | 93,444 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,548 |
| Animal Idioms Quiz #1 | 0 | - | 4.32 | 43,063 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,617 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,826 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,178 |
| Animal Group Names | 0 | - | 4.07 | 23,194 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,755 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,197 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,397 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,717 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,213 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,504 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,718 |
| Bear in the Answers | 0 | - | 4.29 | 61,990 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,392 |
| Animal Varieties #1 | 0 | - | 4.48 | 92,907 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,089 |
| Animal Varieties #3 | 0 | - | 4.54 | 55,405 |
| Birds A-Z | 0 | - | 4.24 | 36,533 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,957 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,264 |
| Fish by Picture #2 | 0 | - | 4.07 | 18,569 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,111 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,808 |
| Horse Vocabulary | 0 | - | 4.23 | 22,741 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,661 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,560 |
| Countries with Glaciers | 0 | - | 4.97 | 105,426 |
| Big Cats | 0 | - | 3.91 | 67,800 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,683 |
| Types of Bears | 0 | - | 4.51 | 143,751 |
| Deadly Animals | 0 | - | 4.03 | 110,603 |
| Famous Animals #1 | 0 | - | 4.03 | 239,680 |
| Famous Animals #2 | 0 | - | 4.02 | 57,510 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,322 |
| Animal Facts | 0 | - | 4.15 | 42,983 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 26,984 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,303 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,084 |
| Cat Knowledge | 0 | - | 4.48 | 25,803 |
| Bear Knowledge | 0 | - | 4.54 | 35,090 |
| Cow Knowledge | 0 | - | 4.46 | 24,262 |
| Elephant Knowledge | 0 | - | 4.41 | 23,963 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,191 |
| Human Taxonomy | 0 | - | 4.68 | 18,915 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,509 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 151,860 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,948 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,673 |
| Famous Cats | 0 | - | 4.08 | 18,042 |
| French Animal Words | 0 | - | 4.44 | 134,465 |
| Spanish Animal Words | 0 | - | 4.53 | 95,737 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,522 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,447 |
| Name that Bug | 0 | - | 4.12 | 45,564 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 54,979 |
| Animal Populations of Countries | 0 | - | 4.52 | 43,885 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,691 |
| 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 | 18,816 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 106,959 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,331 |
| Elements by Picture | 0 | - | 4.27 | 69,971 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,451 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,300 |
| African Great Lakes | 0 | - | 4.82 | 66,261 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 27,984 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,630 |
| Pack Animals | 0 | - | 4.18 | 10,384 |
| Lion Trivia | 0 | - | 4.19 | 16,410 |
| Countries with More Cows than People | 0 | - | 4.45 | 61,323 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,665 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,508 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,386 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,970 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,321 |
| Animals that Start with L | 0 | - | 4.47 | 101,974 |
| Animals that Start with P | 0 | - | 4.45 | 86,145 |
| Animals that Start with S | 0 | - | 4.49 | 87,359 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,585 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,309 |
| Elements Named for Countries | 0 | - | 4.53 | 24,709 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,392 |
| Planets By Picture Quiz | 0 | - | 4.49 | 56,862 |
| Body Part Words | 0 | - | 4.43 | 145,968 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 176,351 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,595 |
| Human Body A-Z | 0 | - | 4.51 | 129,181 |
| One-Syllable Human Body Parts | 0 | - | 4.29 | 88,185 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,629 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,541 |
| Least-Forested Countries | 0 | - | 4.53 | 65,209 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,088 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,149 |
| African Physical Geography | 0 | - | 4.51 | 31,707 |
| Asian Physical Geography | 0 | - | 4.61 | 35,527 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,756 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,177 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,463 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,114 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,395 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,413 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,459 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,421 |
| Words that are Animals | 0 | - | 3.88 | 41,465 |
| Extinct Animals | 0 | - | 4.16 | 27,508 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,381 |
| Primate Knowledge | 0 | - | 4.17 | 15,310 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,301 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,259 |
| Dog Knowledge | 0 | - | 4.46 | 34,381 |
| Largest Types of Birds | 0 | - | 4.19 | 26,973 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,737 |
| Fish Knowledge | 0 | - | 4.38 | 25,649 |
| Animals that Start with A | 0 | - | 4.26 | 112,108 |
| Animals that Start with B | 0 | - | 4.31 | 113,800 |
| Animals that Start with C | 0 | - | 4.21 | 93,245 |
| Animals that Start with D | 0 | - | 4.25 | 86,981 |
| Animals that Start with E | 0 | - | 4.28 | 73,932 |
| Animals that Start with F | 0 | - | 4.28 | 107,127 |
| Animals that Start with G | 0 | - | 4.25 | 80,151 |
| Animals that Start with K | 0 | - | 4.07 | 66,562 |
| Animals that Start with M | 0 | - | 4.23 | 84,023 |
| Animals that Start with R | 0 | - | 4.27 | 87,399 |
| Animals that Start with T | 0 | - | 4.32 | 91,479 |
| Animals that Start with H | 0 | - | 4.31 | 86,345 |
| Animals that Start with O | 0 | - | 4.27 | 88,594 |
| Animals that Start with W | 0 | - | 4.36 | 47,166 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,038 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,659 |
| The Diseases They Had | 0 | - | 4.15 | 14,015 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,154 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,820 |
| Geological Extremes | 0 | - | 4.34 | 40,027 |
| Landforms by Country | 0 | - | 4.52 | 51,971 |
| European Physical Geography | 0 | - | 4.26 | 33,511 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,082 |
| Rivers of the United States | 0 | - | 4.93 | 66,211 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 183,685 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,347 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,820 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,344 |
| National Animals | 0 | - | 4.24 | 89,679 |
| Mammals in the Answer | 0 | - | 4.35 | 29,963 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,588 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,968 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,649 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,863 |
| Animal Decoder | 0 | - | 4.06 | 15,535 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,269 |
| Most Popular Dog Breeds | 0 | - | 4.20 | 111,006 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,728 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,827 |
| Animals that Start with N | 0 | - | 3.73 | 31,678 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,718 |
| Songs with Body Parts in the Title | 0 | - | 4.31 | 215,751 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 59,991 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,494 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,718 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,685 |
| Capitals by River | 0 | - | 4.55 | 48,318 |
| South China Sea Countries | 0 | - | 4.78 | 57,702 |
| Sayings About Animals #1 | 0 | - | 4.35 | 107,910 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,779 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,279 |
| Disney Animals | 0 | - | 4.27 | 239,883 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,057 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,113 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,886 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,561 |
| Brand-Name Animals | 0 | - | 4.16 | 74,507 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,189 |
| Dog in the Answers | 0 | - | 4.16 | 68,648 |
| Famous Dogs | 0 | - | 4.02 | 27,955 |
