| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,558 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,084 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,412 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,573 |
| Animal Sounds | 0 | - | 4.27 | 192,418 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,665 |
| Animal Emojis | 0 | - | 4.74 | 85,515 |
| Birds in the Answer | 0 | - | 4.56 | 52,963 |
| Cold War Decoder | 0 | - | 4.83 | 52,723 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,484 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,525 |
| Animals in World History | 0 | - | 4.74 | 44,732 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,631 |
| Mammals in the Answer | 0 | - | 4.35 | 30,008 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,584 |
| Bear in the Answers | 0 | - | 4.29 | 62,336 |
| Baby, Male and Female Animals | 0 | - | 4.41 | 151,292 |
| Animal Adjectives | 0 | - | 4.77 | 60,251 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,861 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,471 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,603 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,085 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,569 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,616 |
| Christmas Decoder | 0 | - | 4.42 | 49,676 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,407 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,659 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,514 |
| Name that Bug | 0 | - | 4.12 | 45,663 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,264 |
| Bird in the Answers | 0 | - | 4.11 | 34,045 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,880 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,261 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,161 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,045 |
| Animals that Start with L | 0 | - | 4.47 | 102,585 |
| Animals that Start with P | 0 | - | 4.45 | 86,587 |
| Animals that Start with S | 0 | - | 4.49 | 87,788 |
| Country Decoders #1 | 0 | - | 4.45 | 43,834 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,985 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,328 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,047 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,521 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,944 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,629 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,924 |
| Animals A-Z by Picture | 0 | - | 4.08 | 67,011 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,587 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,394 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,652 |
| Halloween Decoder | 0 | - | 4.21 | 45,707 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,647 |
| Words that are Animals | 0 | - | 3.85 | 41,522 |
| Extinct Animals | 0 | - | 4.13 | 27,600 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,408 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,331 |
| Animals in the News | 0 | - | 4.37 | 26,848 |
| Dog Knowledge | 0 | - | 4.46 | 34,697 |
| Largest Types of Birds | 0 | - | 4.19 | 27,043 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,790 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,794 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 279,188 |
| Landforms by Country | 0 | - | 4.52 | 52,033 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,193 |
| Megadiverse Countries | 0 | - | 4.96 | 149,764 |
| Animal Idioms Quiz #1 | 0 | - | 4.30 | 43,229 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,791 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,796 |
| Animals A-Z #1 | 0 | - | 4.40 | 94,003 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,569 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,744 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,936 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,810 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,933 |
| Animal Group Names | 0 | - | 4.07 | 23,308 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,333 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,834 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,849 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,842 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,833 |
| Animals that Start with A | 0 | - | 4.26 | 112,607 |
| Animals that Start with B | 0 | - | 4.31 | 114,552 |
| Animals that Start with C | 0 | - | 4.21 | 93,674 |
| Animals that Start with D | 0 | - | 4.25 | 87,411 |
| Animals that Start with E | 0 | - | 4.28 | 74,295 |
| Animals that Start with F | 0 | - | 4.28 | 107,575 |
| Animals that Start with G | 0 | - | 4.25 | 80,504 |
| Animals that Start with K | 0 | - | 4.07 | 66,833 |
| Animals that Start with M | 0 | - | 4.23 | 84,378 |
| Animals that Start with R | 0 | - | 4.28 | 87,762 |
| Animals that Start with T | 0 | - | 4.32 | 92,209 |
| Animals that Start with H | 0 | - | 4.31 | 86,686 |
| Animals that Start with O | 0 | - | 4.27 | 88,912 |
| Animals that Start with W | 0 | - | 4.36 | 47,445 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,314 |
| Italian Name Translation | 0 | - | 4.83 | 48,333 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,953 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,887 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 121,041 |
| Anagram Chain - Countries | 0 | - | 4.98 | 118,029 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,482 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 238,408 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 171,109 |
| Random Symbol to Element | 0 | - | 4.88 | 94,250 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,192 |
| Name a Valid World City | 0 | - | 4.85 | 72,189 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,454 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,662,303 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,276 |
| Countries with Fjords | 0 | - | 4.94 | 101,651 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,173 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,749 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,849 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,454 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,190 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,724 |
| Animal Stereotypes | 0 | - | 4.48 | 37,584 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 120,149 |
| Birds A-Z | 0 | - | 4.24 | 36,665 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,129,383 |
| 7 Deadly Sins | 0 | - | 4.88 | 405,075 |
| Disney Animated Characters | 0 | - | 4.88 | 603,296 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,770 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,288 |
| Countries with Four Letters | 0 | - | 4.99 | 426,682 |
| Eight Most Popular Berries | 0 | - | 4.44 | 100,707 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,783 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,359 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,327 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,802 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,785 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,440 |
| Animals that Start with N | 0 | - | 3.73 | 31,917 |
| Horse Vocabulary | 0 | - | 4.23 | 22,816 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,542 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 47,013 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,104,111 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,719 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 307,104 |
| Islands by Country #1 | 0 | - | 4.90 | 176,898 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,391 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,702 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,509 |
| Country Decoders #2 | 0 | - | 4.12 | 26,899 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,592 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,416 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,771 |
| Country Chain | 0 | - | 4.96 | 218,736 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,670 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,508 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,573 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,533 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,438 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,765 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,755 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,563 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,795 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,267 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,385 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 77,088 |
| Name a Valid Country #10 | 0 | - | 4.93 | 44,502 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 746,854 |
| Big Cats | 0 | - | 3.91 | 67,965 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,954 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,990 |
| Types of Bears | 0 | - | 4.50 | 144,013 |
| Deadly Animals | 0 | - | 4.02 | 110,872 |
| Famous Animals #1 | 0 | - | 4.03 | 240,079 |
| Famous Animals #2 | 0 | - | 4.02 | 57,623 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,446 |
| Animal Facts | 0 | - | 4.15 | 43,064 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,365 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,785 |
| Cat Knowledge | 0 | - | 4.49 | 25,891 |
| Bear Knowledge | 0 | - | 4.54 | 35,191 |
| Cow Knowledge | 0 | - | 4.46 | 24,328 |
| Elephant Knowledge | 0 | - | 4.41 | 24,032 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,426 |
| Human Taxonomy | 0 | - | 4.70 | 19,006 |
| Famous Dogs | 0 | - | 4.02 | 28,128 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,299 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 58,724 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,820 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,674 |
| People With Place Names | 0 | - | 4.01 | 40,082 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,464 |
| "Son" Last Names | 0 | - | 4.47 | 42,880 |
| Shared First Names #2 | 0 | - | 4.53 | 46,005 |
| People with J Initials | 0 | - | 4.51 | 55,664 |
| History Analogies #1 | 0 | - | 4.53 | 90,424 |
| History Analogies #2 | 0 | - | 4.49 | 77,548 |
| History Analogies #3 | 0 | - | 4.61 | 80,992 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 197,190 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,415 |
| English Idioms #1 | 0 | - | 4.45 | 146,672 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,582 |
| Clothing Idioms | 0 | - | 4.41 | 34,394 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,648 |
| Places - Real or Fictional? | 0 | - | 4.59 | 49,805 |
| Are You a Nerd? | 0 | - | 4.35 | 45,256 |
