| Baby, Male and Female Animals | 0 | - | 4.43 | 151,043 |
| Animal Adjectives | 0 | - | 4.77 | 60,191 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,010 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,990 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,466 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,399 |
| Animals of Australia | 0 | - | 4.52 | 42,474 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,039 |
| Birds by Picture #1 | 0 | - | 4.47 | 42,025 |
| Birds in the Answer | 0 | - | 4.56 | 52,923 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,989 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,273 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,409 |
| Animal Sounds | 0 | - | 4.26 | 192,001 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,597 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,478 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,836 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,480 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,329 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,546 |
| Organs of the Human Body (with map) | 0 | - | 4.10 | 119,856 |
| Metals of Antiquity | 0 | - | 4.95 | 93,880 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,595 |
| Animal Idioms Quiz #1 | 0 | - | 4.29 | 43,162 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,720 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,215 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,498 |
| Animal Group Names | 0 | - | 4.07 | 23,280 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,809 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,504 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,456 |
| Birds by Picture #2 | 0 | - | 4.33 | 36,691 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,812 |
| Birds by Picture #3 | 0 | - | 4.24 | 33,463 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,718 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,828 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,636 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,140 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,157 |
| Animal Varieties #3 | 0 | - | 4.52 | 55,575 |
| Birds A-Z | 0 | - | 4.24 | 36,611 |
| Bear in the Answers | 0 | - | 4.29 | 62,249 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,611 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,738 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,214 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,859 |
| Horse Vocabulary | 0 | - | 4.23 | 22,793 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,186 |
| Countries with Glaciers | 0 | - | 4.97 | 105,770 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,931 |
| Countries with the Most Forest | 0 | - | 4.87 | 147,941 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,839 |
| Types of Bears | 0 | - | 4.51 | 143,925 |
| Deadly Animals | 0 | - | 4.02 | 110,775 |
| Famous Animals #1 | 0 | - | 4.03 | 239,956 |
| Famous Animals #2 | 0 | - | 4.02 | 57,581 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,407 |
| Animal Facts | 0 | - | 4.15 | 43,033 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,027 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,343 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,529 |
| Cat Knowledge | 0 | - | 4.48 | 25,875 |
| Bear Knowledge | 0 | - | 4.54 | 35,159 |
| Cow Knowledge | 0 | - | 4.46 | 24,309 |
| Elephant Knowledge | 0 | - | 4.41 | 24,004 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,342 |
| Human Taxonomy | 0 | - | 4.70 | 18,987 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,090 |
| Big Cats | 0 | - | 3.91 | 67,884 |
| Most Common Elements in the Human Body | 0 | - | 4.74 | 152,420 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 36,168 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,838 |
| French Animal Words | 0 | - | 4.44 | 134,957 |
| Spanish Animal Words | 0 | - | 4.53 | 95,955 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,613 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,493 |
| Name that Bug | 0 | - | 4.12 | 45,627 |
| Countries with the Most Wild Elephants | 0 | - | 4.63 | 55,149 |
| Animal Populations of Countries | 0 | - | 4.52 | 44,041 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,810 |
| Bird in the Answers | 0 | - | 4.11 | 33,939 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,238 |
| Horse Knowledge | 0 | - | 4.46 | 24,125 |
| Snake Knowledge | 0 | - | 4.49 | 18,867 |
| Top 15 Countries with the Most Cows | 0 | - | 4.74 | 107,475 |
| Famous Cats | 0 | - | 4.08 | 18,091 |
| Rocks and Minerals Picture Quiz | 0 | - | 4.48 | 29,504 |
| Elements by Picture | 0 | - | 4.27 | 70,294 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,528 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,534 |
| African Great Lakes | 0 | - | 4.82 | 66,918 |
| Songs with Animals in the Title #2 | 0 | - | 3.90 | 28,046 |
| Pack Animals | 0 | - | 4.20 | 10,429 |
| Lion Trivia | 0 | - | 4.19 | 16,435 |
| Countries with More Cows than People | 0 | - | 4.46 | 61,625 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,719 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,557 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,446 |
| Insect Knowledge #2 | 0 | - | 4.22 | 9,009 |
| Countries with Wild Lions | 0 | - | 4.77 | 26,552 |
| Animals that Start with L | 0 | - | 4.47 | 102,414 |
| Animals that Start with P | 0 | - | 4.45 | 86,454 |
| Animals that Start with S | 0 | - | 4.49 | 87,652 |
| Countries with NO Snakes | 0 | - | 4.51 | 63,659 |
| Where Do Musk Oxen Live? | 0 | - | 4.63 | 15,350 |
| Northernmost Countries Without Glaciers | 0 | - | 4.62 | 36,189 |
| Elements Named for Countries | 0 | - | 4.52 | 24,946 |
| Albert Einstein Trivia | 0 | - | 4.58 | 18,465 |
| Planets By Picture Quiz | 0 | - | 4.49 | 57,323 |
| Body Part Words | 0 | - | 4.43 | 146,351 |
| Word Scramble - Body Parts | 0 | - | 4.38 | 177,020 |
| Three Letter Body Parts | 0 | - | 4.40 | 205,877 |
| Human Body A-Z | 0 | - | 4.51 | 129,616 |
| One-Syllable Human Body Parts | 0 | - | 4.30 | 88,518 |
| Countries with the Most Mangroves | 0 | - | 4.54 | 34,721 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,811 |
| Least-Forested Countries | 0 | - | 4.53 | 65,402 |
| Tropical Rainforest Countries | 0 | - | 4.69 | 82,315 |
| African Physical Geography | 0 | - | 4.51 | 31,810 |
| Asian Physical Geography | 0 | - | 4.61 | 35,617 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,932 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,374 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,896 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,326 |
| Top 10 European Countries by Coastline | 0 | - | 4.88 | 138,693 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,590 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,666 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,466 |
| Words that are Animals | 0 | - | 3.85 | 41,505 |
| Extinct Animals | 0 | - | 4.16 | 27,573 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,899 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,513 |
| Primate Knowledge | 0 | - | 4.17 | 15,344 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,376 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,304 |
| Dog Knowledge | 0 | - | 4.46 | 34,540 |
| Largest Types of Birds | 0 | - | 4.19 | 27,017 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,778 |
| Fish Knowledge | 0 | - | 4.38 | 25,736 |
| Animals that Start with A | 0 | - | 4.26 | 112,414 |
| Animals that Start with B | 0 | - | 4.31 | 114,125 |
| Animals that Start with C | 0 | - | 4.21 | 93,513 |
| Animals that Start with D | 0 | - | 4.25 | 87,254 |
| Animals that Start with E | 0 | - | 4.28 | 74,163 |
| Animals that Start with F | 0 | - | 4.28 | 107,429 |
| Animals that Start with G | 0 | - | 4.25 | 80,373 |
| Animals that Start with K | 0 | - | 4.07 | 66,729 |
| Animals that Start with M | 0 | - | 4.23 | 84,271 |
| Animals that Start with R | 0 | - | 4.28 | 87,652 |
| Animals that Start with T | 0 | - | 4.32 | 92,090 |
| Animals that Start with H | 0 | - | 4.31 | 86,560 |
| Animals that Start with O | 0 | - | 4.27 | 88,810 |
| Animals that Start with W | 0 | - | 4.36 | 47,356 |
| Top 10 Countries with the Most Horses | 0 | - | 4.49 | 69,243 |
| Most Common Body Part Words | 0 | - | 3.90 | 31,810 |
| The Diseases They Had | 0 | - | 4.15 | 14,067 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,187 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.63 | 37,936 |
| Geological Extremes | 0 | - | 4.34 | 40,101 |
| Landforms by Country | 0 | - | 4.52 | 52,012 |
| European Physical Geography | 0 | - | 4.26 | 33,588 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,185 |
| Rivers of the United States | 0 | - | 4.93 | 66,624 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,051 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,768 |
| Cartoon Catchphrases Quiz | 0 | - | 4.20 | 69,892 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,383 |
| National Animals | 0 | - | 4.24 | 90,204 |
| Mammals in the Answer | 0 | - | 4.35 | 29,994 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,725 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,390 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,708 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,911 |
| Animal Decoder | 0 | - | 4.06 | 15,590 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,317 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 114,008 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,810 |
| Top Countries for Shark Attacks | 0 | - | 4.47 | 45,931 |
| Animals that Start with N | 0 | - | 3.73 | 31,827 |
| Recommended Childhood Vaccines for Americans | 0 | - | 4.42 | 14,769 |
| Songs with Body Parts in the Title | 0 | - | 4.32 | 216,381 |
| Top 10 Solar Power Countries | 0 | - | 4.78 | 60,157 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,690 |
| Least Forested Countries in Asia | 0 | - | 4.75 | 64,915 |
| Oceania Physical Geography | 0 | - | 4.30 | 12,726 |
| Capitals by River | 0 | - | 4.55 | 48,384 |
| South China Sea Countries | 0 | - | 4.78 | 57,835 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,089 |
| Sayings About Animals #2 | 0 | - | 3.96 | 85,881 |
| Sayings About Animals #3 | 0 | - | 3.91 | 77,360 |
| Disney Animals | 0 | - | 4.27 | 240,629 |
| Books with Animals in the Title #2 | 0 | - | 4.23 | 18,109 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,226 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,924 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,609 |
| Brand-Name Animals | 0 | - | 4.16 | 74,662 |
| Dog Breed Picture Quiz | 0 | - | 4.34 | 206,620 |
| Dog in the Answers | 0 | - | 4.16 | 68,841 |
| Famous Dogs | 0 | - | 4.02 | 28,033 |
| South American Physical Geography | 0 | - | 4.58 | 18,399 |
