| Southernmost Countries A-Z | 0 | - | 4.95 | 154,124 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,703 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,931 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,990 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 302,019 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,517 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,382 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 43,001 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,946 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 67,033 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,850 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,682 |
| Middle East A-Z | 0 | - | 4.47 | 46,240 |
| Richest Countries A-Z | 0 | - | 4.91 | 104,049 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,613 |
| Canada A-Z | 0 | - | 4.73 | 32,971 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,374 |
| African Geography A-Z | 0 | - | 4.33 | 21,534 |
| European Geography A-Z | 0 | - | 4.29 | 49,486 |
| African East Coast | 0 | - | 4.96 | 96,781 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 155,381 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 77,592 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 60,331 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,029 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,857 |
| France A-Z | 0 | - | 4.16 | 38,337 |
| Switzerland A-Z | 0 | - | 4.45 | 25,768 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,272 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 244,645 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,213 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,611 |
| European Geography By Letter - C | 0 | - | 4.43 | 124,043 |
| European Geography By Letter - D | 0 | - | 4.48 | 117,733 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,120 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,576 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,165 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,640 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,075 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,640 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,468 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,471 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 66,083 |
| Asian Geography By Letter - M | 0 | - | 4.48 | 61,674 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 58,215 |
| Asian Geography by Letter - T | 0 | - | 4.52 | 57,668 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,324 |
| Asian Geography By Letter - O | 0 | - | 4.66 | 32,317 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,561 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 240,831 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,582 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,217 |
| African Countries That Have Been to the FIFA World Cup | 0 | - | 4.89 | 59,995 |
| Countries that Start with A | 0 | - | 4.98 | 2,175,888 |
| Countries that Start with B | 0 | - | 4.95 | 2,306,619 |
| Countries that Start with C | 0 | - | 4.96 | 1,831,572 |
| Countries that Start with D | 0 | - | 4.96 | 716,498 |
| Countries that Start with E | 0 | - | 4.95 | 1,385,182 |
| Countries that Start with G | 0 | - | 4.97 | 1,511,627 |
| Countries that Start with H | 0 | - | 4.96 | 609,645 |
| Countries that Start with I | 0 | - | 4.92 | 1,294,648 |
| Countries that Start with J | 0 | - | 4.98 | 607,037 |
| Countries that Start with K | 0 | - | 4.97 | 820,824 |
| Countries that Start with L | 0 | - | 4.98 | 1,096,896 |
| Countries that Start with N | 0 | - | 4.93 | 1,123,950 |
| Countries that Start with P | 0 | - | 4.94 | 1,222,096 |
| Countries that Start with S | 0 | - | 4.98 | 1,763,244 |
| Countries that Start with T | 0 | - | 4.90 | 1,014,979 |
| Countries that Start with U | 0 | - | 4.97 | 908,522 |
| Countries that Start with V | 0 | - | 4.98 | 612,037 |
| Countries that Start with F | 0 | - | 4.83 | 621,337 |
| Countries that Start with M | 0 | - | 4.97 | 1,388,347 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 44,109 |
| South America A-Z | 0 | - | 4.15 | 10,948 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 61,022 |
| African Great Lakes | 0 | - | 4.82 | 66,974 |
| U.S. Geography by Letter - B | 0 | - | 4.54 | 69,996 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 56,994 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,745 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,260 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,531 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,245 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,007 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,610 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,246 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,616 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,612 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,542 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,919 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,248 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 52,185 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,419 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 68,071 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 65,019 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,458 |
| Asian Geography By Letter - J | 0 | - | 4.27 | 34,948 |
| Word Chain - Africa | 0 | - | 4.47 | 31,718 |
| The Bible A-Z | 0 | - | 4.29 | 59,983 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,948 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,722 |
| 17th Century A-Z | 0 | - | 4.78 | 34,762 |
| One Country By Letter By Continent | 0 | - | 5.00 | 125,638 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,581 |
| American Football A-Z | 0 | - | 4.26 | 14,556 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,153 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,562 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,599 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,562 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 50,320 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 54,495 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,675 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,586 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,750 |
| U.S. Geography by Letter - R | 0 | - | 4.22 | 36,951 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,670 |
| Russian History A-Z | 0 | - | 4.35 | 32,226 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,240 |
| London A-Z | 0 | - | 4.10 | 40,880 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,713 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 28,260 |
| African Physical Geography | 0 | - | 4.51 | 31,816 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,958 |
| Military History A-Z | 0 | - | 4.20 | 21,248 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,325,851 |
| Countries Bordering "U" Countries | 0 | - | 4.83 | 24,880 |
| Human Body A-Z | 0 | - | 4.51 | 130,013 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.70 | 58,244 |
| Australian Capitals | 0 | - | 4.92 | 62,834 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,526 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,734 |
| Official European Union Languages | 0 | - | 4.97 | 239,811 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,659 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,555 |
| Famous Germans | 0 | - | 4.50 | 55,795 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,387 |
| Turkey A-Z | 0 | - | 4.04 | 11,930 |
| Famous People from Africa | 0 | - | 4.45 | 11,009 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,097 |
| "Big Five" African Game Animals | 0 | - | 4.22 | 47,487 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,534 |
| Countries that Start with R | 0 | - | 4.43 | 450,323 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,244 |
| Geography of South Africa | 0 | - | 4.54 | 17,326 |
| History of South Africa | 0 | - | 4.60 | 17,765 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,459 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 53,120 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 49,135 |
| U.S. Geography by Letter - F | 0 | - | 3.84 | 45,402 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,875 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,916 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,576 |
| Asia Map Quiz | 0 | - | 4.99 | 925,280 |
| A Quiz About Islam | 0 | - | 4.32 | 48,619 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 35,183 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,819 |
| Basketball A-Z | 0 | - | 3.87 | 22,753 |
| MLB Baseball A-Z #1 | 0 | - | 4.00 | 23,203 |
| Mountains A-Z | 0 | - | 3.78 | 11,013 |
| Animals A-Z #1 | 0 | - | 4.40 | 93,919 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,530 |
| Provinces of South Africa | 0 | - | 4.74 | 21,982 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,469 |
| Australia Map Quiz | 0 | - | 4.95 | 346,183 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,630 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,491 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 749,827 |
| California Cities A-Z | 0 | - | 4.06 | 17,443 |
| Hawaii A-Z | 0 | - | 4.28 | 13,488 |
| Texas A-Z | 0 | - | 4.19 | 16,437 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,588 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,530 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,969 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,924 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,828 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,255 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,323 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,149 |
| The Only European Country ... | 0 | - | 4.91 | 219,047 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,537 |
| Famous French People | 0 | - | 4.07 | 36,109 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,059 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,956 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,349 |
| Japanese Companies | 0 | - | 4.29 | 34,364 |
| Countries of Africa | 0 | - | 5.00 | 2,560,202 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,868 |
| Largest Land Animals of Africa | 0 | - | 4.36 | 12,816 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,635 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 291,435 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 277,037 |
| Countries with NO Military | 0 | - | 4.97 | 63,422 |
| Top Arms Exporting Countries | 0 | - | 4.97 | 105,274 |
| Countries with the Most Elite Universities | 0 | - | 4.95 | 149,791 |
| Monarchies of the World | 0 | - | 4.94 | 170,234 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,822 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 113,105 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,225 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,594 |
| Disney Animated Characters | 0 | - | 4.88 | 602,927 |
| Countries by Number of Books Published | 0 | - | 4.95 | 73,101 |
| Fast Math - Addition | 0 | - | 4.87 | 525,006 |
