| Southernmost Countries A-Z | 0 | - | 4.94 | 153,400 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 195,428 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,112 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 192,080 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 300,598 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 72,778 |
| Africa A-Z | 0 | - | 4.57 | 46,595 |
| Asian Cities A-Z by Clue | 0 | - | 4.49 | 35,523 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,460 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,503 |
| Shortest Country Name A-Z | 0 | - | 5.00 | 236,798 |
| Australian Capitals | 0 | - | 4.92 | 62,716 |
| Middle East A-Z | 0 | - | 4.47 | 46,006 |
| Richest Countries A-Z | 0 | - | 4.91 | 102,982 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,244 |
| Canada A-Z | 0 | - | 4.73 | 32,812 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,821 |
| European Geography A-Z | 0 | - | 4.29 | 49,250 |
| Countries that Start with a Vowel | 0 | - | 4.99 | 140,034 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,098 |
| Australia True or False | 0 | - | 4.87 | 56,832 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,338 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,488 |
| France A-Z | 0 | - | 4.16 | 38,191 |
| Switzerland A-Z | 0 | - | 4.45 | 25,636 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,905 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 115,707 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,654 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,338 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,332 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,417 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,400 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,709 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,594 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,920 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,314 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,494 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 71,107 |
| Asian Geography by Letter - H | 0 | - | 4.50 | 65,668 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,392 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,874 |
| Asian Geography by Letter - T | 0 | - | 4.51 | 57,336 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 43,003 |
| Asian Geography By Letter - O | 0 | - | 4.65 | 31,835 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.45 | 44,354 |
| African Geography A-Z | 0 | - | 4.33 | 21,473 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 27,308 |
| Australia Country Quiz | 0 | - | 4.43 | 69,571 |
| Regions of New Zealand | 0 | - | 4.85 | 28,489 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,364 |
| Countries that Start with A | 0 | - | 4.98 | 2,161,323 |
| Countries that Start with B | 0 | - | 4.95 | 2,293,099 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,004 |
| Countries that Start with D | 0 | - | 4.96 | 708,902 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,355 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,370 |
| Countries that Start with H | 0 | - | 4.96 | 604,182 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,388 |
| Countries that Start with J | 0 | - | 4.98 | 601,925 |
| Countries that Start with K | 0 | - | 4.97 | 815,242 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,059 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,050 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,497 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,892 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,307 |
| Countries that Start with U | 0 | - | 4.97 | 904,092 |
| Countries that Start with V | 0 | - | 4.98 | 609,046 |
| Countries that Start with F | 0 | - | 4.83 | 617,156 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,903 |
| World Cities A-Z by Clue #2 | 0 | - | 4.40 | 59,011 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,829 |
| South America A-Z | 0 | - | 4.13 | 10,900 |
| U.S. Geography by Letter - B | 0 | - | 4.53 | 69,381 |
| U.S. Geography by Letter - S | 0 | - | 4.55 | 52,842 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,591 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,441 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,761 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,902 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,576 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,391 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,035 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,628 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,859 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,279 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,114 |
| Asian Geography By Letter - S | 0 | - | 4.17 | 56,071 |
| Asian Geography by Letter - D | 0 | - | 4.27 | 51,905 |
| Asian Geography by Letter - G | 0 | - | 4.36 | 51,187 |
| Asian Geography by Letter - I | 0 | - | 4.37 | 67,761 |
| Asian Geography by Letter - C | 0 | - | 4.32 | 64,704 |
| Asian Geography by Letter - N | 0 | - | 4.34 | 50,208 |
| Asian Geography By Letter - J | 0 | - | 4.26 | 34,706 |
| The Bible A-Z | 0 | - | 4.29 | 59,746 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,787 |
| Countries with the Most Forest A-Z | 0 | - | 4.63 | 55,464 |
| 17th Century A-Z | 0 | - | 4.78 | 34,631 |
| Famous Australians by Description | 0 | - | 4.23 | 27,917 |
| One Country By Letter By Continent | 0 | - | 5.00 | 123,728 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,267 |
| American Football A-Z | 0 | - | 4.26 | 14,514 |
| MLB Baseball A-Z #2 | 0 | - | 4.11 | 17,094 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,088 |
| U.S. Geography by Letter - C | 0 | - | 4.27 | 74,056 |
| U.S. Geography by Letter - A | 0 | - | 4.37 | 63,063 |
| U.S. Geography by Letter - D | 0 | - | 4.09 | 57,049 |
| U.S. Geography by Letter - T | 0 | - | 4.29 | 49,749 |
| U.S. Geography by Letter - P | 0 | - | 4.38 | 53,706 |
| U.S. Geography by Letter - M | 0 | - | 4.14 | 53,308 |
| U.S. Geography by Letter - L | 0 | - | 4.04 | 41,107 |
| U.S. Geography by Letter - G | 0 | - | 4.13 | 39,285 |
| U.S. Geography By Letter - H | 0 | - | 4.35 | 40,101 |
| Russian History A-Z | 0 | - | 4.38 | 31,677 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,132 |
| London A-Z | 0 | - | 4.10 | 40,760 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,947 |
| Asian Geography By Letter - R | 0 | - | 4.35 | 27,907 |
| Military History A-Z | 0 | - | 4.20 | 21,154 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,315,770 |
| Countries Bordering "U" Countries | 0 | - | 4.82 | 24,482 |
| Human Body A-Z | 0 | - | 4.51 | 129,136 |
| Animals A-Z #1 | 0 | - | 4.41 | 93,577 |
| Diseases and Medical Conditions A-Z | 0 | - | 4.69 | 57,715 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,002 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,162 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,083 |
| Official European Union Languages | 0 | - | 4.97 | 238,390 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,773 |
| Europe Map Quiz | 0 | - | 5.00 | 4,760,539 |
| Famous Germans | 0 | - | 4.50 | 55,265 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,437 |
| Turkey A-Z | 0 | - | 4.04 | 11,842 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 157,084 |
| Countries that Start with R | 0 | - | 4.43 | 447,284 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,941 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,721 |
| Word Chain - Australia | 0 | - | 4.38 | 38,136 |
| U.S. Geography by Letter - N | 0 | - | 3.80 | 52,732 |
| U.S. Geography by Letter - E | 0 | - | 3.75 | 48,753 |
| U.S. Geography by Letter - F | 0 | - | 3.87 | 45,005 |
| U.S. Geography by Letter - O | 0 | - | 3.52 | 41,483 |
| U.S. Geography by Letter - R | 0 | - | 4.18 | 30,995 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,985 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,808 |
| Asia Map Quiz | 0 | - | 4.99 | 916,029 |
| A Quiz About Islam | 0 | - | 4.31 | 48,424 |
| Countries That Don't Recognize Israel | 0 | - | 4.68 | 34,822 |
| Basketball A-Z | 0 | - | 3.87 | 22,697 |
| MLB Baseball A-Z #1 | 0 | - | 4.00 | 23,122 |
| Mountains A-Z | 0 | - | 3.78 | 10,948 |
| Animals A-Z #2 | 0 | - | 4.12 | 66,364 |
| Countries of Africa | 0 | - | 5.00 | 2,534,649 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,766 |
| African East Coast | 0 | - | 4.96 | 95,983 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,803 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,050 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,634 |
| Australia Map Quiz | 0 | - | 4.95 | 344,473 |
| U.S. Federal Holidays | 0 | - | 4.33 | 99,452 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,850 |
| Two Letter U.S. State Abbreviations | 0 | - | 4.19 | 746,831 |
| California Cities A-Z | 0 | - | 4.06 | 17,222 |
| Hawaii A-Z | 0 | - | 4.28 | 13,448 |
| Texas A-Z | 0 | - | 4.19 | 16,370 |
| Pennsylvania A-Z | 0 | - | 4.11 | 7,550 |
| U.S. History A-Z #1 | 0 | - | 4.36 | 30,029 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,096 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,633 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,881 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,301 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,951 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,112 |
| The Only European Country ... | 0 | - | 4.91 | 216,437 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,014 |
| Famous French People | 0 | - | 4.06 | 35,476 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,817 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,886 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,592 |
| Japanese Companies | 0 | - | 4.28 | 34,216 |
| Countries with the Most Military Troops | 0 | - | 4.95 | 288,020 |
| Countries with Nuclear Weapons | 0 | - | 4.86 | 272,692 |
| Countries with NO Military | 0 | - | 4.97 | 62,161 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 91,285 |
| Countries with the Most Elite Universities | 0 | - | 4.94 | 148,262 |
| Monarchies of the World | 0 | - | 4.94 | 168,519 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 112,518 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 111,755 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 114,275 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,080 |
| Disney Animated Characters | 0 | - | 4.88 | 601,283 |
| Countries by Number of Books Published | 0 | - | 4.95 | 72,515 |
| Fast Math - Addition | 0 | - | 4.87 | 522,643 |
| NATO Countries | 0 | - | 4.98 | 279,939 |
| EU Countries Quiz | 0 | - | 4.99 | 273,600 |
| Top Five Countries by Religion | 0 | - | 4.93 | 171,139 |
| 7 Deadly Sins | 0 | - | 4.88 | 399,938 |
| Books of the Protestant Bible | 0 | - | 4.89 | 209,745 |
| Majority Muslim Countries | 0 | - | 4.98 | 373,915 |
| Astronomy Quiz | 0 | - | 4.90 | 82,537 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 65,659 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,337 |
