| Asian Countries with the Most Christians | 0 | - | 4.86 | 97,749 |
| Hindu Countries | 0 | - | 4.87 | 50,457 |
| Countries Closest to Israel | 0 | - | 4.69 | 106,402 |
| Countries with the Most Hindus | 0 | - | 4.90 | 123,402 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,690 |
| Israel Country Quiz | 0 | - | 3.84 | 75,211 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,944 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,153 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,451,045 |
| Asia Map Quiz | 0 | - | 4.99 | 922,957 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,569 |
| Official European Union Languages | 0 | - | 4.97 | 239,419 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,437 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,196 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,218 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,409 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,992 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,768 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 360,033 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,185 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,679 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,469 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,554 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,883 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,605 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,156 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,903 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,256 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,693 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,894 |
| States of Germany | 0 | - | 4.95 | 153,975 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,615 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,523 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,338 |
| Regions of Italy | 0 | - | 4.92 | 76,674 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,645 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,993 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,602 |
| Champions League Winners | 0 | - | 4.92 | 1,013,043 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,614 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,876 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,348 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,712 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,983 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,593 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,562 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,099 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,877 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,887 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 231,252 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,634 |
| Monarchies of Asia | 0 | - | 4.97 | 71,381 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 50,409 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,177 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,026 |
| Countries of the Middle East | 0 | - | 4.96 | 202,245 |
| Provinces of Turkey | 0 | - | 4.94 | 205,386 |
| Provinces of China | 0 | - | 4.97 | 206,950 |
| Japanese Prefectures | 0 | - | 4.98 | 138,458 |
| States of India | 0 | - | 4.95 | 195,185 |
| Celtic Nations | 0 | - | 4.61 | 47,061 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 200,241 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,118 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,413 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,414 |
| Departments of France | 0 | - | 4.93 | 54,851 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,698 |
| Byzantine History | 0 | - | 4.91 | 28,987 |
| Byzantine Emperors | 0 | - | 4.92 | 14,498 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,805 |
| England or Wales? | 0 | - | 4.94 | 45,891 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,620 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 123,623 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.87 | 136,529 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,759 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,440 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,557 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,614 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,654 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,889 |
| Jordan Country Quiz | 0 | - | 4.86 | 32,005 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 80,643 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,898 |
| China Cities Map Quiz | 0 | - | 4.94 | 105,713 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 94,347 |
| Japan Country Quiz | 0 | - | 4.93 | 143,091 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 33,219 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,330 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,489 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,910 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 101,137 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,050 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,873 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,400 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,689 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 150,308 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,776 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 73,120 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,788 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,007 |
| The Trojan War | 0 | - | 4.83 | 39,930 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,640 |
| Name that Greek Letter | 0 | - | 4.93 | 324,653 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,665 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,476 |
| Roman Emperors | 0 | - | 4.95 | 120,872 |
| Middle Earth Geography | 0 | - | 4.56 | 39,923 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,699 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,933 |
| Prime Ministers of the UK | 0 | - | 4.95 | 441,342 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,607 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,925 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,991 |
| The Iraq War | 0 | - | 4.47 | 15,690 |
| Countries Closest to Turkey | 0 | - | 4.96 | 126,779 |
| Countries Bordering Turkey | 0 | - | 4.98 | 117,766 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,831 |
| Countries Bordering Saudi Arabia | 0 | - | 4.96 | 133,558 |
| Countries Closest to Yemen | 0 | - | 4.92 | 22,717 |
| Oman Country Quiz | 0 | - | 4.86 | 27,032 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,979 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,901 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 94,278 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 78,057 |
| Brunei Country Quiz | 0 | - | 4.87 | 22,042 |
| China A-Z | 0 | - | 4.55 | 67,515 |
| Countries that Beat China | 0 | - | 4.85 | 116,499 |
| Countries that Border China | 0 | - | 4.96 | 263,959 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,713 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,417 |
| Countries Closest to Japan | 0 | - | 4.92 | 139,046 |
| Closest Countries to North Korea | 0 | - | 4.94 | 123,105 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,615 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,310 |
| States of India Map Quiz | 0 | - | 4.83 | 26,791 |
| Countries Bordering India | 0 | - | 4.98 | 163,714 |
| Countries Closest to India | 0 | - | 4.97 | 103,101 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,667 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,927 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,481 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,703 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,699 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,147 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,060 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,256 |
| Slavic Languages | 0 | - | 4.68 | 54,609 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,085 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,847 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,942 |
| Ancient Greek Words | 0 | - | 4.93 | 112,225 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,704 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,589 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,616 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,916 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,437 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,759 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,428 |
| Lord of the Rings Decoder | 0 | - | 4.61 | 42,747 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,839 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,556 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,728 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 416,887 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 26,099 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 46,041 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 44,090 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 51,076 |
| Countries Closest to Egypt | 0 | - | 4.83 | 101,448 |
| Prime Ministers of Israel | 0 | - | 3.97 | 18,039 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,406 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 43,081 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,035 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 135,279 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,649 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,028 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,748 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,034 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,705 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,034 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,848 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,360 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,575 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,260 |
| Europe Map Quiz | 0 | - | 5.00 | 4,780,455 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,446 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,101 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,397 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,363 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,195 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,625 |
| Countries of Europe After World War II | 0 | - | 4.99 | 189,091 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 157,192 |
| History of Russia Quiz | 0 | - | 4.47 | 31,985 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,831 |
| Countries of the Soviet Union | 0 | - | 4.98 | 195,379 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.56 | 102,587 |
| Capitals of French Regions | 0 | - | 4.45 | 16,154 |
| Regions of France | 0 | - | 4.70 | 121,719 |
| France Immigration by Country | 0 | - | 4.70 | 76,827 |
| Famous Germans | 0 | - | 4.50 | 55,661 |
| German Groups of Things | 0 | - | 4.47 | 38,594 |
