| Animals that Start with L | 0 | - | 4.47 | 102,541 |
| Animals that Start with P | 0 | - | 4.45 | 86,554 |
| Animals that Start with S | 0 | - | 4.49 | 87,759 |
| Animals that Start with C | 0 | - | 4.21 | 93,639 |
| Animals that Start with D | 0 | - | 4.25 | 87,374 |
| Animals that Start with E | 0 | - | 4.28 | 74,263 |
| Animals that Start with F | 0 | - | 4.28 | 107,547 |
| Animals that Start with G | 0 | - | 4.25 | 80,477 |
| Animals that Start with K | 0 | - | 4.07 | 66,808 |
| Animals that Start with M | 0 | - | 4.23 | 84,348 |
| Animals that Start with R | 0 | - | 4.28 | 87,735 |
| Animals that Start with T | 0 | - | 4.32 | 92,182 |
| Animals that Start with H | 0 | - | 4.31 | 86,653 |
| Animals that Start with O | 0 | - | 4.27 | 88,886 |
| Animals that Start with W | 0 | - | 4.36 | 47,425 |
| Animals that Start with N | 0 | - | 3.73 | 31,897 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,972 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,557 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,435 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,044 |
| Birds A-Z | 0 | - | 4.24 | 36,654 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,712 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,318 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,867 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 154,204 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,903 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 171,047 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 194,201 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,190 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,597 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,971 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,743 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,933 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,665 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,237 |
| Animal Adjectives | 0 | - | 4.77 | 60,242 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,849 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,525 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,062 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,543 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,558 |
| NATO Military Alphabet | 0 | - | 4.98 | 565,074 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,649 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,512 |
| Name that Bug | 0 | - | 4.12 | 45,658 |
| Bird in the Answers | 0 | - | 4.11 | 34,025 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,255 |
| Name a Minecraft Mob A-Z | 0 | - | 4.88 | 43,735 |
| Animal Emojis | 0 | - | 4.74 | 85,438 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,134 |
| Birds in the Answer | 0 | - | 4.56 | 52,945 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,033 |
| Countries by Military Spending | 0 | - | 4.93 | 179,175 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,327,472 |
| Classic Novels by Plot #2 | 0 | - | 4.86 | 38,656 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,863 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 78,171 |
| Rivers A-Z | 0 | - | 4.35 | 32,875 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,443 |
| Human Body A-Z | 0 | - | 4.51 | 130,138 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,080 |
| Africa A-Z | 0 | - | 4.57 | 46,796 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,299 |
| Flowers by Picture | 0 | - | 4.46 | 105,890 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,973 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,545 |
| Animal Sounds | 0 | - | 4.27 | 192,140 |
| Words that are Animals | 0 | - | 3.85 | 41,522 |
| Extinct Animals | 0 | - | 4.13 | 27,592 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,647 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,510 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,400 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,323 |
| Animals in the News | 0 | - | 4.37 | 26,845 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,958 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,561 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,383 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,625 |
| Largest Types of Birds | 0 | - | 4.19 | 27,037 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,786 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,757 |
| Top Five Exporting Partners by Country | 0 | - | 4.87 | 67,509 |
| Middle East A-Z | 0 | - | 4.47 | 46,270 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,583 |
| 20th Century A-Z | 0 | - | 4.50 | 54,033 |
| Megadiverse Countries | 0 | - | 4.96 | 148,970 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,482 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,509 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,814 |
| Geological Extremes | 0 | - | 4.34 | 40,125 |
| Canada A-Z | 0 | - | 4.73 | 32,992 |
| 19th Century A-Z | 0 | - | 4.77 | 47,508 |
| 18th Century A-Z | 0 | - | 4.54 | 43,357 |
| Four Letter Geography A-Z #1 | 0 | - | 4.58 | 32,715 |
| Four Letter Geography A-Z #2 | 0 | - | 4.56 | 35,250 |
| 17th Century A-Z | 0 | - | 4.78 | 34,782 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,625 |
| Mammals in the Answer | 0 | - | 4.35 | 30,006 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,542 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,763 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,881 |
| Animal Decoder | 0 | - | 4.06 | 15,613 |
| Animal Group Names | 0 | - | 4.07 | 23,305 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,326 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,828 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,815 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,835 |
| Bear in the Answers | 0 | - | 4.29 | 62,317 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 105,886 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 184,850 |
| Formula One World Champions | 0 | - | 4.96 | 395,624 |
| Monarchies of the World | 0 | - | 4.94 | 170,534 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,945 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,232 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,345 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,667 |
| Disney Animated Characters | 0 | - | 4.88 | 603,177 |
| Numbers Tile Select Quiz | 0 | - | 4.98 | 75,439 |
| People on Money by Country | 0 | - | 4.83 | 60,765 |
| Fast Math - Addition | 0 | - | 4.87 | 525,465 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.79 | 805,533 |
| Astronomy Quiz | 0 | - | 4.90 | 83,405 |
| Largest Objects in the Solar System | 0 | - | 4.99 | 138,710 |
| Solar System Trivia | 0 | - | 4.93 | 47,276 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 93,153 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,274 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,050 |
| Best Selling Artists by Letter Quiz | 0 | - | 4.04 | 43,499 |
| Geography by Letter - T | 0 | - | 4.84 | 155,469 |
| Countries with the Most JetPunk Users | 0 | - | 4.99 | 170,433 |
| Most Common JetPunk Answers - Countries | 0 | - | 4.91 | 88,586 |
| Countries By Wikipedia Word Clouds | 0 | - | 4.84 | 40,459 |
| Countries with the Most Major Earthquakes | 0 | - | 4.94 | 118,067 |
| Country Superlatives - Top 2 | 0 | - | 4.99 | 70,670 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,239 |
| Countries with Fjords | 0 | - | 4.94 | 101,586 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,431 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,404 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,177 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,698 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,772 |
| Animal Stereotypes | 0 | - | 4.48 | 37,561 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,772 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,248 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,875 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,437 |
| Horse Vocabulary | 0 | - | 4.23 | 22,813 |
| Monarchies Bordering Monarchies | 0 | - | 4.81 | 60,627 |
| U.S. Army Ranks | 0 | - | 4.49 | 103,996 |
| Top 30 Most Powerful Militaries | 0 | - | 4.51 | 176,858 |
| Countries with Aircraft Carriers | 0 | - | 4.75 | 123,702 |
| Names of Army Units | 0 | - | 4.67 | 37,176 |
| WWII A-Z #1 | 0 | - | 4.73 | 103,464 |
| WWII A-Z #2 | 0 | - | 4.44 | 54,939 |
| Countries with the Most Skyscrapers | 0 | - | 4.93 | 144,837 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,832 |
| Countries with the Tallest Buildings | 0 | - | 4.93 | 104,993 |
| Formula One Countries Visited | 0 | - | 4.97 | 158,248 |
| Formula 1: Top 3 in Driver's Championship | 0 | - | 4.96 | 103,217 |
| Coldest Countries | 0 | - | 4.97 | 139,522 |
| Five Coldest Countries by Continent | 0 | - | 4.97 | 76,984 |
| Countries with the Least Precipitation | 0 | - | 4.90 | 83,112 |
| IMDB Top 100 Movies | 0 | - | 4.45 | 206,492 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,217 |
| Corporate Partnerships | 0 | - | 4.56 | 37,018 |
| Prime Numbers 1-100 | 0 | - | 4.53 | 127,771 |
| Perfect Squares | 0 | - | 4.51 | 102,969 |
| Digits of Pi | 0 | - | 4.24 | 1,166,910 |
| Mathematics General Knowledge | 0 | - | 4.46 | 67,627 |
| Major World Religions | 0 | - | 4.78 | 93,684 |
| Religion General Knowledge #1 | 0 | - | 4.41 | 92,683 |
| Religion General Knowledge #2 | 0 | - | 4.48 | 74,226 |
| Religion General Knowledge #3 | 0 | - | 4.46 | 69,601 |
| Religion General Knowledge #5 | 0 | - | 4.51 | 46,421 |
| Country Logic Puzzle 4x4 – Sudoku style | 0 | - | 5.00 | 28,239 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 83,168 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 109,036 |
| American Football A-Z | 0 | - | 4.26 | 14,567 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,167 |
| Switzerland A-Z | 0 | - | 4.45 | 25,786 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,426 |
| 16th Century A-Z | 0 | - | 4.59 | 25,045 |
| 15th Century A-Z | 0 | - | 4.50 | 24,035 |
| 14th Century A-Z | 0 | - | 4.41 | 24,528 |
| Fictional Characters by Picture - A | 0 | - | 4.17 | 91,867 |
| Fictional Characters by Picture - B | 0 | - | 4.13 | 74,852 |
| Fictional Characters by Picture - C | 0 | - | 4.23 | 82,094 |
| Fictional Characters by Picture - D | 0 | - | 4.23 | 76,091 |
| Fictional Characters by Picture - F | 0 | - | 4.37 | 66,988 |
| Fictional Characters by Picture - G | 0 | - | 4.24 | 87,460 |
| Fictional Characters by Picture - H | 0 | - | 4.10 | 70,047 |
| Fictional Characters by Picture - L | 0 | - | 4.30 | 82,802 |
| Fictional Characters by Picture - M | 0 | - | 4.18 | 91,059 |
| Fictional Characters by Picture - P | 0 | - | 4.12 | 65,082 |
| Fictional Characters by Picture - R | 0 | - | 4.01 | 72,546 |
| Fictional Characters by Picture - S | 0 | - | 4.21 | 68,021 |
| Fictional Characters by Picture - T | 0 | - | 4.10 | 85,155 |
| Fictional Characters by Picture - W | 0 | - | 4.22 | 77,823 |
| Fictional Characters by Picture - N | 0 | - | 4.07 | 49,892 |
| Fictional Characters by Picture - O | 0 | - | 4.27 | 53,005 |
