| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,998 |
| Hindu Countries | 0 | - | 4.86 | 50,001 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,831 |
| Countries Closest to Israel | 0 | - | 4.67 | 105,563 |
| African Countries with the Most Christians | 0 | - | 4.94 | 75,432 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,679 |
| Israel Country Quiz | 0 | - | 3.85 | 74,920 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,474 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,451 |
| Asia Map Quiz | 0 | - | 4.99 | 914,368 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,993 |
| Official European Union Languages | 0 | - | 4.97 | 238,110 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,601 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,768 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,877 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,995 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,754 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,605 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,149 |
| Flags of Asia Quiz | 0 | - | 4.99 | 611,355 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,620 |
| States of India | 0 | - | 4.94 | 192,590 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,357 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,241 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,892 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,957 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,575 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,929 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,692 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,374 |
| States of Germany | 0 | - | 4.96 | 151,885 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,283 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,877 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,871 |
| Regions of Italy | 0 | - | 4.92 | 75,536 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,852 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,622 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,997 |
| Champions League Winners | 0 | - | 4.92 | 1,003,659 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 110,079 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,401 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,516 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,964 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,797 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,766 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,643 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,268 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,028 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,242 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 229,993 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,993 |
| Monarchies of Asia | 0 | - | 4.97 | 70,973 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.91 | 49,749 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,773 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,904 |
| Countries of the Middle East | 0 | - | 4.96 | 200,727 |
| Provinces of Turkey | 0 | - | 4.95 | 203,633 |
| Provinces of China | 0 | - | 4.97 | 203,434 |
| Japanese Prefectures | 0 | - | 4.98 | 136,413 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,703 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 106,603 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 58,119 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,648 |
| African Countries with the Most Muslims | 0 | - | 4.80 | 100,793 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,321 |
| Celtic Nations | 0 | - | 4.69 | 46,908 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,908 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,580 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,270 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,659 |
| Departments of France | 0 | - | 4.93 | 53,773 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,246 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,515 |
| Byzantine History | 0 | - | 4.91 | 28,754 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,659 |
| England or Wales? | 0 | - | 4.94 | 45,595 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,727 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,816 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 130,272 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,682 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,473 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,750 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,285 |
| 10 Plagues of Egypt | 0 | - | 4.41 | 53,776 |
| Syria Country Quiz | 0 | - | 4.81 | 32,672 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,672 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,925 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,302 |
| China Cities Map Quiz | 0 | - | 4.94 | 104,907 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 93,396 |
| Japan Country Quiz | 0 | - | 4.93 | 142,204 |
| Closest Countries to North Korea | 0 | - | 4.94 | 122,254 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 93,174 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,179 |
| States of India Map Quiz | 0 | - | 4.83 | 26,365 |
| Countries Bordering India | 0 | - | 4.98 | 163,315 |
| Countries Closest to India | 0 | - | 4.97 | 102,628 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 76,047 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 61,420 |
| Top 10 Least Religious U.S. States | 0 | - | 4.51 | 34,255 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,388 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,401 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,342 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,686 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,765 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,715 |
| The Trojan War | 0 | - | 4.83 | 39,643 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 646,051 |
| Name that Greek Letter | 0 | - | 4.93 | 323,077 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,526 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,415 |
| Roman Emperors | 0 | - | 4.95 | 119,648 |
| Middle Earth Geography | 0 | - | 4.56 | 39,752 |
| Lord of the Rings Trivia | 0 | - | 4.53 | 81,343 |
| Members of the Fellowship of the Ring | 0 | - | 4.74 | 45,770 |
| Prime Ministers of the UK | 0 | - | 4.95 | 437,788 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,380 |
| Qatar Country Quiz | 0 | - | 4.86 | 31,457 |
| Countries Bordering Iran | 0 | - | 4.83 | 95,141 |
| Countries that Border Iraq | 0 | - | 4.97 | 108,222 |
| The Iraq War | 0 | - | 4.47 | 15,637 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,866 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,983 |
| Egypt Country Quiz | 0 | - | 4.83 | 77,400 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,513 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,487 |
| Oman Country Quiz | 0 | - | 4.86 | 26,853 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 55,395 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 104,401 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,846 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,415 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,892 |
| China A-Z | 0 | - | 4.55 | 67,113 |
| Countries that Beat China | 0 | - | 4.86 | 115,480 |
| Countries that Border China | 0 | - | 4.96 | 262,839 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 77,321 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 60,027 |
| Countries Closest to Japan | 0 | - | 4.92 | 138,446 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,772 |
| Biggest Trading Partners - Colombia | 0 | - | 4.88 | 40,240 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,555 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,642 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,484 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,240 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,358 |
| Slavic Languages | 0 | - | 4.68 | 54,267 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,899 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 71,314 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,524 |
| Ancient Greek Words | 0 | - | 4.93 | 111,343 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,576 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,419 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,117 |
| Biggest Trading Partners - Spain | 0 | - | 4.92 | 53,728 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,008 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 80,146 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,629 |
| Lord of the Rings Decoder | 0 | - | 4.59 | 42,547 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,622 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,450 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,442 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 414,583 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,915 |
| The Only Remaining Asian Country . . . | 0 | - | 4.64 | 45,719 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,704 |
| Biggest Trading Partners - Turkey | 0 | - | 4.81 | 50,605 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,908 |
| Prime Ministers of Israel | 0 | - | 3.97 | 17,916 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 75,064 |
| India Cities Map Quiz | 0 | - | 4.64 | 60,996 |
| Countries of the Indian Diaspora | 0 | - | 4.49 | 58,777 |
| Top 10 Most Jewish U.S. States | 0 | - | 4.31 | 42,910 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 220,313 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 133,825 |
| Midwestern States of the U.S. | 0 | - | 4.88 | 13,626 |
| European Geography By Letter - A | 0 | - | 4.51 | 144,973 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,600 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,338 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,072 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,136 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,137 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,223 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,560 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,245 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,800 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,133 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,195 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,205 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,862 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,151 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,179 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,364 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,844 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,356 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,035 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,235 |
| History of Russia Quiz | 0 | - | 4.49 | 31,879 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,694 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,425 |
| Countries that have Won the Most Eurovisions | 0 | - | 4.61 | 101,694 |
