| Animals - Real or Fictional? | 0 | - | 4.57 | 48,969 |
| Head to Head - Animals | 0 | - | 4.88 | 68,728 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 55,971 |
| Has Anyone Ever Done It #1 | 0 | - | 4.81 | 54,741 |
| Animal Varieties Quiz #1 | 0 | - | 4.48 | 92,391 |
| A Whale of a Quiz | 0 | - | 4.41 | 35,958 |
| Animal Varieties #3 | 0 | - | 4.53 | 55,075 |
| Animal Stereotypes | 0 | - | 4.48 | 36,753 |
| Animals by Range on a World Map | 0 | - | 4.96 | 25,188 |
| Australia True or False | 0 | - | 4.87 | 56,489 |
| Multiple Choice Animal Quiz #2 | 0 | - | 4.21 | 15,387 |
| Types of Bears | 0 | - | 4.51 | 143,076 |
| Bear Knowledge | 0 | - | 4.54 | 34,982 |
| Animals in World History | 0 | - | 4.74 | 44,205 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,400 |
| Deadly Animals | 0 | - | 4.03 | 109,873 |
| Famous Animals #1 | 0 | - | 4.03 | 238,796 |
| Famous Animals #2 | 0 | - | 4.02 | 57,320 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,145 |
| Animal Facts | 0 | - | 4.15 | 42,903 |
| Cat Knowledge | 0 | - | 4.49 | 25,717 |
| Cow Knowledge | 0 | - | 4.46 | 24,162 |
| Elephant Knowledge | 0 | - | 4.41 | 23,897 |
| Human Taxonomy | 0 | - | 4.68 | 18,839 |
| French Animal Words | 0 | - | 4.44 | 133,630 |
| Spanish Animal Words | 0 | - | 4.53 | 95,355 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,505 |
| Animals: No Vowels #1 | 0 | - | 4.57 | 63,551 |
| Has Anyone Ever Done It #3 | 0 | - | 4.56 | 50,814 |
| Has Anyone Ever Done It #2 | 0 | - | 4.46 | 46,819 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,381 |
| Words Containing Animals #2 | 0 | - | 4.07 | 34,347 |
| Name that Bug | 0 | - | 4.12 | 45,442 |
| Animals - Taxonomy to Common Name | 0 | - | 4.79 | 28,091 |
| Bird in the Answers | 0 | - | 4.10 | 33,261 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,095 |
| Horse Knowledge | 0 | - | 4.45 | 23,937 |
| Snake Knowledge | 0 | - | 4.49 | 18,723 |
| Animals A-Z #1 | 0 | - | 4.41 | 92,788 |
| Pack Animals | 0 | - | 4.23 | 10,330 |
| Lion Trivia | 0 | - | 4.19 | 16,365 |
| Mammal Knowledge #1 | 0 | - | 4.20 | 19,595 |
| Mammal Knowledge #2 | 0 | - | 4.13 | 18,441 |
| Insect Knowledge #1 | 0 | - | 4.38 | 12,300 |
| Insect Knowledge #2 | 0 | - | 4.21 | 8,907 |
| Animals that Start with L | 0 | - | 4.47 | 101,222 |
| Animals that Start with P | 0 | - | 4.45 | 85,619 |
| Animals that Start with S | 0 | - | 4.49 | 86,780 |
| General Knowledge True False #1 | 0 | - | 4.58 | 55,207 |
| General Knowledge True False #2 | 0 | - | 4.44 | 36,729 |
| General Knowledge True False #3 | 0 | - | 4.52 | 36,810 |
| Words that are Animals | 0 | - | 3.88 | 41,405 |
| Extinct Animals | 0 | - | 4.18 | 27,400 |
| Primate Knowledge | 0 | - | 4.17 | 15,263 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,222 |
| Earliest Domestication of Animals | 0 | - | 4.33 | 28,208 |
| Animals in the News | 0 | - | 4.37 | 26,711 |
| Animals: No Vowels #2 | 0 | - | 4.57 | 21,440 |
| Largest Types of Birds | 0 | - | 4.19 | 26,889 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,679 |
| Fish Knowledge | 0 | - | 4.38 | 25,486 |
| Megadiverse Countries | 0 | - | 4.97 | 133,867 |
| Tectonic Plates Map Quiz | 0 | - | 4.99 | 80,434 |
| Japan True or False? | 0 | - | 4.78 | 56,741 |
| What Do These Two Countries Have in Common? | 0 | - | 4.98 | 71,490 |
| Germany True or False? | 0 | - | 4.61 | 48,518 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,381 |
| Italy True or False? | 0 | - | 4.42 | 47,204 |
| Country Confusion | 0 | - | 4.98 | 61,688 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,336 |
| Animals A-Z #2 | 0 | - | 4.11 | 66,037 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,192 |
| Animals that Start with A | 0 | - | 4.26 | 111,205 |
| Animals that Start with B | 0 | - | 4.31 | 112,692 |
| Animals that Start with C | 0 | - | 4.23 | 92,191 |
| Animals that Start with D | 0 | - | 4.25 | 86,113 |
| Animals that Start with E | 0 | - | 4.28 | 73,363 |
| Animals that Start with F | 0 | - | 4.28 | 106,490 |
| Animals that Start with G | 0 | - | 4.25 | 79,650 |
| Animals that Start with K | 0 | - | 4.06 | 66,163 |
| Animals that Start with M | 0 | - | 4.24 | 83,538 |
| Animals that Start with R | 0 | - | 4.27 | 86,603 |
| Animals that Start with T | 0 | - | 4.32 | 90,616 |
| Animals that Start with H | 0 | - | 4.31 | 85,857 |
| Animals that Start with O | 0 | - | 4.27 | 88,194 |
| Animals that Start with W | 0 | - | 4.35 | 46,821 |
| Has Anyone Ever Done It - U.S. Sports | 0 | - | 4.43 | 16,248 |
| Mammals in the Answer | 0 | - | 4.35 | 29,917 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 300,305 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,514 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,757 |
| Animal Decoder | 0 | - | 4.06 | 15,457 |
| Largest Land Animals of the Americas | 0 | - | 4.38 | 20,191 |
| Animals by Alternate Etymology | 0 | - | 3.49 | 9,586 |
| The Shark Quiz!! | 0 | - | 4.25 | 24,600 |
| Natural Features of Countries #1 | 0 | - | 4.86 | 83,362 |
| Countries with Fjords | 0 | - | 4.93 | 100,181 |
| Tectonic Plates on a Map | 0 | - | 4.97 | 35,267 |
| Layers of the Earth and Atmosphere | 0 | - | 4.97 | 50,167 |
| Afghanistan True or False? | 0 | - | 4.54 | 25,254 |
| Greece True or False? | 0 | - | 4.44 | 28,998 |
| Spain True or False? | 0 | - | 4.58 | 30,503 |
| Major League Baseball True False | 0 | - | 4.13 | 8,534 |
| What's Bigger? #1 | 0 | - | 4.87 | 148,770 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,289 |
| World's Longest Rivers | 0 | - | 4.87 | 121,026 |
| Draw All Country Borders and Borderless Countries | 0 | - | 4.99 | 161,733 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,033 |
| Head to Head - Countries #1 | 0 | - | 4.99 | 130,085 |
| Head to Head - Countries #2 | 0 | - | 4.96 | 92,599 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,829 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,504 |
| Pick a Picture - Animal Relations | 0 | - | 4.94 | 54,807 |
| Landforms Fill in the Blank | 0 | - | 4.41 | 91,424 |
| World's Longest Rivers on a Map | 0 | - | 4.91 | 86,836 |
| Rivers of Europe Quiz | 0 | - | 4.89 | 55,581 |
| Countries With No Rivers | 0 | - | 4.96 | 76,012 |
| Name a Valid Country on Each River | 0 | - | 4.96 | 61,217 |
| 50 Rivers on a World Map | 0 | - | 4.96 | 36,837 |
| 100 Rivers on a World Map | 0 | - | 4.99 | 98,319 |
| Countries That Touch the Baltic Sea | 0 | - | 4.98 | 115,734 |
| North Sea Countries | 0 | - | 4.92 | 86,588 |
| Black Sea Countries | 0 | - | 4.87 | 60,330 |
| Countries That Touch the Red Sea | 0 | - | 4.90 | 65,012 |
| Caspian Sea Countries | 0 | - | 4.90 | 63,094 |
| Seas on the World Map | 0 | - | 4.96 | 133,787 |
| Seas of the World | 0 | - | 5.00 | 154,269 |
| Countries with the Longest Coastlines | 0 | - | 4.81 | 411,119 |
| Countries with the Shortest Coastlines | 0 | - | 4.89 | 66,946 |
| Trace the Coast of Europe with a Map | 0 | - | 4.93 | 77,933 |
| Trace the Coast of Afro-Eurasia with a Map | 0 | - | 5.00 | 58,847 |
| Trace the Coast of the World Map | 0 | - | 4.99 | 55,024 |
| Literature Multiple Choice #1 | 0 | - | 4.50 | 40,582 |
| Literature Multiple Choice #2 | 0 | - | 4.44 | 34,338 |
| Diseases: Virus... or Bacteria? | 0 | - | 4.61 | 38,346 |
| China True or False? | 0 | - | 4.34 | 29,172 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 149,594 |
| Animal Adjectives | 0 | - | 4.77 | 59,821 |
| Animals by Skeleton Image | 0 | - | 4.80 | 45,961 |
| Animals by Close-up Image | 0 | - | 4.42 | 216,546 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 45,218 |
| Extinct Animals by Picture | 0 | - | 4.49 | 34,903 |
| Mammals by Picture #1 | 0 | - | 4.70 | 91,082 |
| Animals that Start with N | 0 | - | 3.73 | 31,348 |
| Natural Features of Countries #2 | 0 | - | 4.55 | 37,330 |
| Geologic Time Scale | 0 | - | 4.46 | 9,916 |
| Countries Farthest From the Sea | 0 | - | 4.98 | 74,209 |
| Largest Lakes in the United States on a Map | 0 | - | 4.90 | 29,675 |
| Rivers and Lakes whose Names are Countries | 0 | - | 4.95 | 45,153 |
| Countries Bordering the Four Color Seas | 0 | - | 4.92 | 22,741 |
| Five Countries with the Longest Coastline by Continent | 0 | - | 4.97 | 114,674 |
| American Countries With No Atlantic Coastline | 0 | - | 4.94 | 91,875 |
| What Color is It - Multiple Choice | 0 | - | 4.47 | 43,742 |
| Image to Country - Multiple Choice #1 | 0 | - | 4.70 | 51,048 |
| Multiple Choice Numbers #1 | 0 | - | 4.49 | 46,776 |
| Multiple Choice General Knowledge #6 | 0 | - | 4.54 | 29,537 |
| SAT Vocabulary Words Starting With A | 0 | - | 4.42 | 22,686 |
| SAT Vocabulary Words Starting With D | 0 | - | 4.55 | 20,072 |
| SAT Vocabulary Words Starting With C | 0 | - | 4.51 | 19,239 |
| SAT Vocabulary Words Starting With E | 0 | - | 4.53 | 19,993 |
| 5, 6, 7, or 8? | 0 | - | 4.45 | 33,090 |
| Multiple Choice General Knowledge #5 | 0 | - | 4.55 | 42,355 |
| Multiple Choice General Knowledge #7 | 0 | - | 4.45 | 41,009 |
| SAT Vocabulary Words Starting With I | 0 | - | 4.66 | 15,755 |
| Animal Anatomy Quiz | 0 | - | 4.38 | 59,646 |
| Biggest Animals by Category | 0 | - | 4.18 | 72,929 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 137,605 |
| Animal Sounds | 0 | - | 4.26 | 191,143 |
| Animals of Australia | 0 | - | 4.52 | 42,142 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,242 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,200 |
| Word Scramble - Random Animals | 0 | - | 4.41 | 48,885 |
| Animal Emojis | 0 | - | 4.69 | 83,275 |
| Fish by Picture #1 | 0 | - | 4.41 | 108,062 |
| Animals A-Z by Picture | 0 | - | 4.08 | 65,870 |
| Mammals by Picture #3 | 0 | - | 4.39 | 61,757 |
| Mammals by Picture #4 | 0 | - | 4.03 | 33,888 |
| Birds by Picture #1 | 0 | - | 4.47 | 41,088 |
| Mammals by Picture #2 | 0 | - | 4.28 | 57,844 |
| Birds in the Answer | 0 | - | 4.56 | 52,693 |
| North American Bird-Named Teams | 0 | - | 4.43 | 67,611 |
| U.S. Cities with Landforms in The Name | 0 | - | 4.26 | 70,730 |
| Atlantic Ocean General Knowledge | 0 | - | 4.74 | 21,151 |
| Indian Ocean General Knowledge | 0 | - | 4.52 | 22,143 |
| Bodies of Water by Cities | 0 | - | 4.77 | 28,449 |
| Biggest Lakes in the World | 0 | - | 4.62 | 88,981 |
| Great Lakes Quiz | 0 | - | 4.78 | 50,101 |
| Famous Rivers | 0 | - | 4.74 | 104,496 |
| City to River #1 | 0 | - | 4.59 | 35,743 |
| Most Populous River Basins | 0 | - | 4.61 | 39,541 |
| Rivers that Flow through the Most Countries | 0 | - | 4.53 | 40,109 |
| Seas that Touch the Most Countries | 0 | - | 4.63 | 95,912 |
| Countries with the Longest Coastline Bordering Each Other | 0 | - | 4.89 | 28,168 |
| Flowers by Picture | 0 | - | 4.46 | 105,000 |
| NBA Basketball Multiple Choice | 0 | - | 4.04 | 34,846 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,135 |
| Which Country Does Not Border... | 0 | - | 4.78 | 93,020 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,525 |
| 1, 2, 3, or 4? | 0 | - | 4.28 | 69,715 |
| Multiple Choice General Knowledge #1 | 0 | - | 4.26 | 253,276 |
