| Animals - Real or Fictional? | 0 | - | 4.57 | 49,689 |
| Head to Head - Animals | 0 | - | 4.88 | 69,808 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,292 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,381 |
| Has Anyone Ever Done It #1 | 0 | - | 4.81 | 55,497 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,047 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,126 |
| Animal Varieties #3 | 0 | - | 4.52 | 55,506 |
| Animal Stereotypes | 0 | - | 4.48 | 37,395 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,705 |
| Australia True or False | 0 | - | 4.87 | 57,025 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,491 |
| Types of Bears | 0 | - | 4.51 | 143,855 |
| Bear Knowledge | 0 | - | 4.54 | 35,130 |
| Animals in World History | 0 | - | 4.74 | 44,616 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,772 |
| Deadly Animals | 0 | - | 4.02 | 110,711 |
| Famous Animals #1 | 0 | - | 4.03 | 239,845 |
| Famous Animals #2 | 0 | - | 4.02 | 57,559 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,375 |
| Animal Facts | 0 | - | 4.15 | 43,019 |
| Cat Knowledge | 0 | - | 4.48 | 25,848 |
| Cow Knowledge | 0 | - | 4.46 | 24,290 |
| Elephant Knowledge | 0 | - | 4.41 | 23,987 |
| Human Taxonomy | 0 | - | 4.70 | 18,958 |
| French Animal Words | 0 | - | 4.44 | 134,792 |
| Spanish Animal Words | 0 | - | 4.53 | 95,861 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,759 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,257 |
| Has Anyone Ever Done It #3 | 0 | - | 4.56 | 51,421 |
| Has Anyone Ever Done It #2 | 0 | - | 4.46 | 47,275 |
| Does it Exist? | 0 | - | 4.54 | 61,645 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,582 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,479 |
| Name that Bug | 0 | - | 4.12 | 45,603 |
| Bird in the Answers | 0 | - | 4.11 | 33,857 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,220 |
| Horse Knowledge | 0 | - | 4.46 | 24,096 |
| Snake Knowledge | 0 | - | 4.49 | 18,846 |
| Pack Animals | 0 | - | 4.20 | 10,412 |
| Lion Trivia | 0 | - | 4.19 | 16,425 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,697 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,533 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,424 |
| Insect Knowledge #2 | 0 | - | 4.22 | 8,996 |
| Animals that Start with L | 0 | - | 4.47 | 102,315 |
| Animals that Start with P | 0 | - | 4.45 | 86,366 |
| Animals that Start with S | 0 | - | 4.49 | 87,563 |
| General Knowledge True False #1 | 0 | - | 4.58 | 55,649 |
| General Knowledge True False #2 | 0 | - | 4.44 | 36,927 |
| General Knowledge True False #3 | 0 | - | 4.49 | 37,223 |
| Words that are Animals | 0 | - | 3.85 | 41,495 |
| Extinct Animals | 0 | - | 4.16 | 27,545 |
| Primate Knowledge | 0 | - | 4.17 | 15,329 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,336 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,283 |
| Animals in the News | 0 | - | 4.37 | 26,816 |
| Animals: No Vowels #2 | 0 | - | 4.50 | 22,557 |
| Largest Types of Birds | 0 | - | 4.19 | 27,001 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,766 |
| Fish Knowledge | 0 | - | 4.38 | 25,699 |
| Megadiverse Countries | 0 | - | 4.96 | 135,123 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 81,856 |
| Japan True or False? | 0 | - | 4.78 | 57,307 |
| What Do These Two Countries Have in Common? | 0 | - | 4.98 | 72,337 |
| Germany True or False? | 0 | - | 4.61 | 48,937 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,735 |
| Italy True or False? | 0 | - | 4.42 | 47,528 |
| Country Confusion | 0 | - | 4.98 | 62,588 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,449 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,816 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,465 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,628 |
| Animals that Start with A | 0 | - | 4.26 | 112,318 |
| Animals that Start with B | 0 | - | 4.31 | 114,017 |
| Animals that Start with C | 0 | - | 4.21 | 93,422 |
| Animals that Start with D | 0 | - | 4.25 | 87,170 |
| Animals that Start with E | 0 | - | 4.28 | 74,094 |
| Animals that Start with F | 0 | - | 4.28 | 107,334 |
| Animals that Start with G | 0 | - | 4.25 | 80,311 |
| Animals that Start with K | 0 | - | 4.07 | 66,676 |
| Animals that Start with M | 0 | - | 4.23 | 84,210 |
| Animals that Start with R | 0 | - | 4.28 | 87,578 |
| Animals that Start with T | 0 | - | 4.32 | 92,005 |
| Animals that Start with H | 0 | - | 4.31 | 86,494 |
| Animals that Start with O | 0 | - | 4.27 | 88,747 |
| Animals that Start with W | 0 | - | 4.36 | 47,300 |
| Has Anyone Ever Done It - U.S. Sports | 0 | - | 4.43 | 16,456 |
| Mammals in the Answer | 0 | - | 4.35 | 29,984 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,228 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,687 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,894 |
| Animal Decoder | 0 | - | 4.06 | 15,568 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,294 |
| Animals by Skeleton Image | 0 | - | 4.81 | 46,758 |
| Animals by Alternate Etymology | 0 | - | 3.49 | 9,634 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,779 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 83,959 |
| Countries with Fjords | 0 | - | 4.94 | 101,149 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,807 |
| Layers of the Earth and Atmosphere | 0 | - | 4.96 | 50,615 |
| Afghanistan True or False? | 0 | - | 4.54 | 25,450 |
| Greece True or False? | 0 | - | 4.44 | 29,244 |
| Spain True or False? | 0 | - | 4.58 | 30,705 |
| Major League Baseball True False | 0 | - | 4.13 | 8,623 |
| What's Bigger? #1 | 0 | - | 4.87 | 150,927 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,365 |
| Animals that Start with N | 0 | - | 3.73 | 31,790 |
| World's Longest Rivers | 0 | - | 4.90 | 137,265 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 164,771 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,563 |
| Head to Head - Countries #1 | 0 | - | 4.99 | 132,044 |
| Head to Head - Countries #2 | 0 | - | 4.96 | 93,820 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,911 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,591 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 55,681 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,829 |
| World's Longest Rivers on a Map | 0 | - | 4.90 | 88,085 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 56,684 |
| Countries With No Rivers | 0 | - | 4.96 | 76,996 |
| Name a Valid Country on Each River | 0 | - | 4.95 | 62,412 |
| 50 Rivers on a World Map | 0 | - | 4.96 | 38,220 |
| 100 Rivers on a World Map | 0 | - | 4.99 | 101,102 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 116,110 |
| North Sea Countries | 0 | - | 4.92 | 87,576 |
| Black Sea Countries | 0 | - | 4.87 | 60,688 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,497 |
| Caspian Sea Countries | 0 | - | 4.91 | 63,599 |
| Seas on the World Map | 0 | - | 4.96 | 135,711 |
| Seas of the World | 0 | - | 5.00 | 157,756 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 67,319 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 79,108 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 59,608 |
| Trace the Coast of the World Map | 0 | - | 4.99 | 56,019 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 41,004 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,667 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,848 |
| China True or False? | 0 | - | 4.34 | 29,445 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 150,841 |
| Animal Adjectives | 0 | - | 4.77 | 60,131 |
| Animals by Close-up Image | 0 | - | 4.42 | 218,749 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,856 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,384 |
| Mammals by Picture #1 | 0 | - | 4.70 | 92,163 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,572 |
| Geologic Time Scale | 0 | - | 4.41 | 10,049 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,881 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 30,078 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,659 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 23,192 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 115,760 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 92,649 |
| What Color is It - Multiple Choice | 0 | - | 4.47 | 44,239 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,662 |
| Multiple Choice Numbers #1 | 0 | - | 4.49 | 47,438 |
| Multiple Choice General Knowledge #6 | 0 | - | 4.54 | 29,985 |
| SAT Vocabulary Words Starting With A | 0 | - | 4.43 | 22,814 |
| SAT Vocabulary Words Starting With D | 0 | - | 4.55 | 20,242 |
| SAT Vocabulary Words Starting With C | 0 | - | 4.51 | 19,373 |
| SAT Vocabulary Words Starting With E | 0 | - | 4.53 | 20,181 |
| 5, 6, 7, or 8? | 0 | - | 4.45 | 33,537 |
| Multiple Choice General Knowledge #5 | 0 | - | 4.55 | 42,964 |
| Multiple Choice General Knowledge #7 | 0 | - | 4.42 | 41,605 |
| SAT Vocabulary Words Starting With I | 0 | - | 4.66 | 16,232 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,910 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,233 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,277 |
| Animal Sounds | 0 | - | 4.26 | 191,913 |
| Animals of Australia | 0 | - | 4.52 | 42,410 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,532 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,446 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 49,348 |
| Animal Emojis | 0 | - | 4.74 | 84,981 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,710 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,689 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,349 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,229 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,890 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,403 |
| Birds in the Answer | 0 | - | 4.56 | 52,897 |
| North American Bird-Named Teams | 0 | - | 4.44 | 67,954 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.27 | 70,834 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,278 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,271 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,687 |
| Biggest Lakes in the World | 0 | - | 4.63 | 89,802 |
| Great Lakes Quiz | 0 | - | 4.80 | 50,542 |
| Famous Rivers | 0 | - | 4.75 | 105,139 |
| City to River #1 | 0 | - | 4.59 | 35,877 |
| Most Populous River Basins | 0 | - | 4.55 | 39,771 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,420 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 96,991 |
| Countries with the Longest Coastlines | 0 | - | 4.80 | 413,659 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.88 | 29,179 |
| Flowers by Picture | 0 | - | 4.46 | 105,785 |
| NBA Basketball Multiple Choice | 0 | - | 4.04 | 35,519 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,123 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,800 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,775 |
| 1, 2, 3, or 4? | 0 | - | 4.26 | 70,256 |
