| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,660,713 |
| Animals - Taxonomy to Common Name | 0 | - | 4.81 | 28,550 |
| Animals by Skeleton Image | 0 | - | 4.81 | 47,062 |
| Word Scramble - Animals #1 | 0 | - | 4.36 | 138,557 |
| Animal Sounds | 0 | - | 4.27 | 192,346 |
| Word Scramble - Animals #2 | 0 | - | 4.39 | 52,661 |
| Animal Emojis | 0 | - | 4.74 | 85,470 |
| Birds in the Answer | 0 | - | 4.56 | 52,954 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 745,941 |
| Fictional Animals #1 | 0 | - | 4.06 | 46,483 |
| Word Scramble - Random Animals | 0 | - | 4.38 | 49,515 |
| Animals in World History | 0 | - | 4.74 | 44,721 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,576 |
| People with Animal Names #1 | 0 | - | 3.97 | 42,628 |
| Mammals in the Answer | 0 | - | 4.35 | 30,007 |
| Three Letter Animals Quiz | 0 | - | 3.97 | 301,562 |
| Animal Decoder | 0 | - | 4.06 | 15,617 |
| Baby, Male and Female Animals | 0 | - | 4.43 | 151,260 |
| Animal Adjectives | 0 | - | 4.77 | 60,244 |
| North American Cat-Named Sports Teams | 0 | - | 4.43 | 33,851 |
| Animals: No Vowels #1 | 0 | - | 4.56 | 64,452 |
| Animals by Close-up Image | 0 | - | 4.42 | 219,570 |
| Aquatic Mammals by Picture | 0 | - | 4.41 | 46,072 |
| Extinct Animals by Picture | 0 | - | 4.49 | 35,553 |
| Mammals by Picture #1 | 0 | - | 4.69 | 92,577 |
| Bear in the Answers | 0 | - | 4.29 | 62,327 |
| Countries of the World - One Minute Sprint | 0 | - | 4.36 | 983,926 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,990 |
| Fictional Animals #2 | 0 | - | 3.97 | 36,404 |
| Words Containing Animals #1 | 0 | - | 4.21 | 43,656 |
| Words Containing Animals #2 | 0 | - | 4.09 | 34,513 |
| Name that Bug | 0 | - | 4.12 | 45,660 |
| Fictional Birds by Picture | 0 | - | 4.29 | 26,256 |
| Bird in the Answers | 0 | - | 4.11 | 34,037 |
| 3 and 4 Letter Birds | 0 | - | 4.25 | 23,877 |
| Bird Knowledge #2 | 0 | - | 4.42 | 14,258 |
| Countries by Borders in 90 Seconds with an Empty Map | 0 | - | 4.90 | 281,263 |
| Fish by Picture #1 | 0 | - | 4.41 | 109,143 |
| North American Bird-Named Teams | 0 | - | 4.44 | 68,039 |
| Animals that Start with L | 0 | - | 4.47 | 102,561 |
| Animals that Start with P | 0 | - | 4.45 | 86,568 |
| Animals that Start with S | 0 | - | 4.49 | 87,772 |
| Animal Anatomy Quiz | 0 | - | 4.39 | 59,982 |
| Biggest Animals by Category | 0 | - | 4.18 | 73,320 |
| People with Animal Names Quiz #2 | 0 | - | 3.77 | 27,043 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,512 |
| Three Letter Mammals Quiz | 0 | - | 3.69 | 11,943 |
| Four Letter Mammals Quiz | 0 | - | 3.83 | 12,627 |
| Animals: No Vowels #2 | 0 | - | 4.51 | 22,890 |
| Animals A-Z by Picture | 0 | - | 4.08 | 66,988 |
| Mammals by Picture #3 | 0 | - | 4.39 | 62,573 |
| Mammals by Picture #4 | 0 | - | 4.03 | 34,390 |
| Mammals by Picture #2 | 0 | - | 4.28 | 58,640 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,611 |
| Words that are Animals | 0 | - | 3.85 | 41,522 |
| Extinct Animals | 0 | - | 4.13 | 27,595 |
| Reptile Picture Quiz | 0 | - | 4.32 | 14,403 |
| Earliest Domestication of Animals | 0 | - | 4.34 | 28,326 |
| Animals in the News | 0 | - | 4.37 | 26,848 |
| Dog Knowledge | 0 | - | 4.46 | 34,687 |
| Largest Types of Birds | 0 | - | 4.19 | 27,041 |
| Bird Knowledge #1 | 0 | - | 4.33 | 15,789 |
| Countries by Borders, Bordering Sea, Capital Proximity, Official Language or Currency in 30 Seconds | 0 | - | 4.96 | 243,492 |
| Analogies of Countries #1 | 0 | - | 4.89 | 68,783 |
| Best-Selling Video Game Consoles | 0 | - | 4.82 | 279,008 |
| Landforms by Country | 0 | - | 4.52 | 52,031 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 105,160 |
| Megadiverse Countries | 0 | - | 4.96 | 149,435 |
| Animal Idioms Quiz #1 | 0 | - | 4.30 | 43,225 |
| Animal Idioms Quiz #2 | 0 | - | 4.33 | 43,785 |
| Books with Animals in the Title #1 | 0 | - | 4.41 | 74,788 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,985 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,565 |
| Word Puzzles - Animals #1 | 0 | - | 4.37 | 28,743 |
| Word Puzzles - Animals #2 | 0 | - | 4.20 | 24,934 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,793 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,910 |
| Animal Group Names | 0 | - | 4.07 | 23,305 |
| Largest Land Animals of the Americas | 0 | - | 4.39 | 20,330 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,829 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,833 |
| Sea Creatures by Picture | 0 | - | 4.27 | 17,838 |
| Fish... or Not a Fish? | 0 | - | 4.39 | 43,824 |
| Animals that Start with A | 0 | - | 4.26 | 112,587 |
| Animals that Start with B | 0 | - | 4.31 | 114,534 |
| Animals that Start with C | 0 | - | 4.21 | 93,654 |
| Animals that Start with D | 0 | - | 4.25 | 87,391 |
| Animals that Start with E | 0 | - | 4.28 | 74,277 |
| Animals that Start with F | 0 | - | 4.28 | 107,561 |
| Animals that Start with G | 0 | - | 4.25 | 80,492 |
| Animals that Start with K | 0 | - | 4.07 | 66,822 |
| Animals that Start with M | 0 | - | 4.23 | 84,362 |
| Animals that Start with R | 0 | - | 4.28 | 87,743 |
| Animals that Start with T | 0 | - | 4.32 | 92,195 |
| Animals that Start with H | 0 | - | 4.31 | 86,670 |
| Animals that Start with O | 0 | - | 4.27 | 88,895 |
| Animals that Start with W | 0 | - | 4.36 | 47,434 |
| Solve the Secret Country #3 | 0 | - | 4.98 | 66,238 |
| Italian Name Translation | 0 | - | 4.83 | 48,263 |
| Songs that Start with the Same Word | 0 | - | 4.87 | 111,921 |
| Solve the Secret Country #1 | 0 | - | 4.93 | 168,763 |
| Solve the Secret Country #2 | 0 | - | 4.87 | 120,917 |
| Anagram Chain - Countries | 0 | - | 4.98 | 117,963 |
| Geography Quiz for Dummies | 0 | - | 4.87 | 109,460 |
| Geographic Groups of Two #1 | 0 | - | 4.99 | 238,366 |
| 4-Letter Geography Chain #1 | 0 | - | 4.82 | 171,081 |
| Random Symbol to Element | 0 | - | 4.88 | 94,215 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,391 |
| Name a Valid Year in History | 0 | - | 4.93 | 68,138 |
| Name a Valid World City | 0 | - | 4.85 | 72,154 |
| Countries but all Vowels are Changed to O | 0 | - | 4.91 | 71,374 |
| Natural Features of Countries #1 | 0 | - | 4.87 | 84,259 |
| Countries with Fjords | 0 | - | 4.94 | 101,617 |
| Movies with Animals in the Title #1 | 0 | - | 4.20 | 184,153 |
| Songs with Animals in the Title #1 | 0 | - | 4.36 | 129,731 |
| Movies with Animals in the Title #2 | 0 | - | 4.28 | 108,838 |
| Animal Varieties #1 | 0 | - | 4.48 | 93,446 |
| A Whale of a Quiz | 0 | - | 4.41 | 36,181 |
| Animal Varieties #3 | 0 | - | 4.50 | 55,712 |
| Animal Stereotypes | 0 | - | 4.48 | 37,571 |
| Most Popular Dog Breeds in the U.S. | 0 | - | 4.14 | 119,784 |
| Birds A-Z | 0 | - | 4.24 | 36,660 |
| Word Scramble - Countries | 0 | - | 4.88 | 2,128,666 |
| 7 Deadly Sins | 0 | - | 4.88 | 404,897 |
| Fast Math - Addition | 0 | - | 4.87 | 525,550 |
| Disney Animated Characters | 0 | - | 4.88 | 603,228 |
| Conspiracy Theories – Mostly U.S. | 0 | - | 4.44 | 56,764 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 454,158 |
| Countries with Four Letters | 0 | - | 4.99 | 426,539 |
| Eight Most Popular Berries | 0 | - | 4.44 | 100,669 |
| Top 20 Fruits Sold in the U.S. | 0 | - | 4.45 | 68,735 |
| Sayings About Animals #1 | 0 | - | 4.35 | 108,350 |
| Sayings About Animals #4 | 0 | - | 4.21 | 42,318 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,788 |
| Fish by Picture #2 | 0 | - | 4.09 | 18,779 |
| Turkey (The Bird) | 0 | - | 4.15 | 12,437 |
| Animals that Start with N | 0 | - | 3.73 | 31,905 |
| Horse Vocabulary | 0 | - | 4.23 | 22,815 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,537 |
| Random Geographic Groups of Seven | 0 | - | 4.92 | 46,977 |
| Planets of the Solar System Quiz | 0 | - | 4.93 | 1,103,834 |
| Fruits: No Vowels | 0 | - | 4.81 | 100,685 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 306,992 |
| Islands by Country #1 | 0 | - | 4.90 | 176,517 |
| Regions of Countries #1 | 0 | - | 4.96 | 160,354 |
| Regions of Countries #2 | 0 | - | 4.95 | 124,671 |
| Regions of Countries #3 | 0 | - | 4.85 | 91,480 |
| Random Geographic Groups of Five | 0 | - | 4.93 | 115,569 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,344 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,708 |
| Country Chain | 0 | - | 4.96 | 218,686 |
| Can You Name These 50 Random Countries? | 0 | - | 4.98 | 219,555 |
| Cold War Decoder | 0 | - | 4.83 | 52,714 |
| Name a Valid First-Level Subdivision for Every Country | 0 | - | 4.97 | 50,487 |
| Category Elimination - Countries #1 | 0 | - | 4.99 | 324,437 |
| Name a Valid Country #3 | 0 | - | 4.99 | 266,434 |
| Name a Valid Country #1 | 0 | - | 4.99 | 296,222 |
| Name a Valid Country #2 | 0 | - | 4.98 | 254,669 |
| Name a Valid Country #4 | 0 | - | 4.97 | 259,654 |
| Name a Valid Country #5 | 0 | - | 4.99 | 210,468 |
| Name a Valid Country #6 | 0 | - | 4.95 | 145,701 |
| Name a Valid Country #7 | 0 | - | 4.91 | 132,187 |
| Name a Valid Country #8 | 0 | - | 4.86 | 101,310 |
| Random Name a Valid Bordering Country | 0 | - | 4.99 | 77,035 |
| Name a Valid Country #10 | 0 | - | 4.93 | 44,458 |
| Animal Varieties #2 | 0 | - | 4.40 | 66,980 |
| Types of Bears | 0 | - | 4.50 | 144,003 |
| Deadly Animals | 0 | - | 4.02 | 110,866 |
| Famous Animals #1 | 0 | - | 4.03 | 240,068 |
| Famous Animals #2 | 0 | - | 4.02 | 57,616 |
| Famous Animals Quiz #3 | 0 | - | 4.24 | 43,443 |
| Animal Facts | 0 | - | 4.15 | 43,061 |
| Largest Land Animals of Asia | 0 | - | 3.64 | 8,360 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,768 |
| Cat Knowledge | 0 | - | 4.49 | 25,889 |
| Bear Knowledge | 0 | - | 4.54 | 35,189 |
| Cow Knowledge | 0 | - | 4.46 | 24,326 |
| Elephant Knowledge | 0 | - | 4.41 | 24,027 |
| Multiple Choice Animal Quiz #1 | 0 | - | 4.50 | 56,415 |
| Human Taxonomy | 0 | - | 4.70 | 19,000 |
| Famous Dogs | 0 | - | 4.02 | 28,119 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,287 |
| Big Cats | 0 | - | 3.91 | 67,957 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,951 |
| Country Quiz on a Map - USA | 0 | - | 4.98 | 58,681 |
| Chuck Norris Facts | 0 | - | 4.52 | 8,742 |
| Two Letter Answers #2 | 0 | - | 4.43 | 86,806 |
| One Letter Answers #1 | 0 | - | 4.47 | 77,665 |
| People With Place Names | 0 | - | 4.01 | 40,043 |
| Guess a Top 5 Last Name by Country | 0 | - | 4.61 | 46,422 |
| "Son" Last Names | 0 | - | 4.47 | 42,851 |
| Shared First Names #2 | 0 | - | 4.53 | 45,983 |
| People with J Initials | 0 | - | 4.51 | 55,652 |
| History Analogies #1 | 0 | - | 4.53 | 90,421 |
| History Analogies #2 | 0 | - | 4.49 | 77,546 |
| History Analogies #3 | 0 | - | 4.61 | 80,986 |
| Movie Title Antonyms #1 | 0 | - | 4.81 | 197,157 |
| Obfuscations of Movie Titles #1 | 0 | - | 4.93 | 62,403 |
| English Idioms #1 | 0 | - | 4.45 | 146,634 |
| Cliche Quotes Quiz #2 | 0 | - | 4.42 | 45,581 |
