| European Countries by First 2 Letters | 0 | - | 4.95 | 526,229 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,034 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,563 |
| Official European Union Languages | 0 | - | 4.97 | 236,467 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,666 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,069 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,439,433 |
| Asia Map Quiz | 0 | - | 4.99 | 906,694 |
| England or Wales? | 0 | - | 4.94 | 45,306 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,521 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 97,422 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,375,609 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,234 |
| Celtic Nations | 0 | - | 4.69 | 46,807 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,558 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,137 |
| Australia True or False | 0 | - | 4.87 | 56,491 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,826 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,743 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,764 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,666 |
| Flags of Asia Quiz | 0 | - | 4.99 | 605,226 |
| East Asia Cities Map Quiz | 0 | - | 4.96 | 109,322 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,731 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,375 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,201 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,668 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,449 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,646 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,726 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.93 | 49,128 |
| Countries of the Middle East | 0 | - | 4.96 | 198,838 |
| Germany True or False? | 0 | - | 4.61 | 48,520 |
| States of India | 0 | - | 4.94 | 189,931 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,039 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,304 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,185 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,125 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,187 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,888 |
| France Multiple Choice | 0 | - | 4.38 | 40,629 |
| States of Germany | 0 | - | 4.96 | 149,953 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,990 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,510 |
| Regions of Italy | 0 | - | 4.92 | 74,668 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,785 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,272 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,100 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Champions League Winners | 0 | - | 4.92 | 995,920 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,980 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 104,993 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,316 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,368 |
| Monarchies of Asia | 0 | - | 4.97 | 70,582 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| Provinces of Turkey | 0 | - | 4.95 | 200,858 |
| Provinces of China | 0 | - | 4.97 | 200,002 |
| Japanese Prefectures | 0 | - | 4.98 | 134,481 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,186 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,828 |
| States of India Map Quiz | 0 | - | 4.82 | 26,012 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,759 |
| Nepal Country Quiz | 0 | - | 4.95 | 37,314 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,440 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,968 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,956 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,426 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,136 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,091 |
| Slavic Languages | 0 | - | 4.67 | 53,962 |
| Departments of France | 0 | - | 4.93 | 52,749 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,423 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,355 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,239 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,418 |
| Countries and States in the Caucasus | 0 | - | 4.46 | 51,144 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,481 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,195 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,018 |
| The Only Remaining Asian Country . . . | 0 | - | 4.69 | 45,446 |
| Middle Eastern Geography Quiz | 0 | - | 4.57 | 43,248 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 82,964 |
| Countries Closest to Yemen | 0 | - | 4.91 | 22,297 |
| Syria Country Quiz | 0 | - | 4.81 | 32,285 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,427 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,773 |
| China Cities Map Quiz | 0 | - | 4.93 | 103,996 |
| Provinces of China Map Quiz | 0 | - | 4.92 | 92,748 |
| Japan Country Quiz | 0 | - | 4.92 | 141,191 |
| Countries Closest to Taiwan | 0 | - | 4.81 | 92,765 |
| Countries Bordering India | 0 | - | 4.98 | 162,575 |
| Countries Closest to India | 0 | - | 4.97 | 102,194 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,462 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,775 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,507 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,062 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,136 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,763 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,828 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,314 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,453 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,207 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,861 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,921 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,484 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,058 |
| Countries that Border China | 0 | - | 4.96 | 261,784 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,923 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,689 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,886 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 30,743 |
| Bhutan Country Quiz | 0 | - | 4.87 | 24,005 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 48,882 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,081 |
| History of Russia Quiz | 0 | - | 4.49 | 31,784 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,679 |
| Name that Greek Letter | 0 | - | 4.94 | 321,585 |
| History of Italy | 0 | - | 4.55 | 31,809 |
| Byzantine History | 0 | - | 4.91 | 28,608 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,476 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,974 |
| Asian Physical Geography | 0 | - | 4.61 | 35,368 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,912 |
| 10 Westernmost Countries in Asia | 0 | - | 4.69 | 70,820 |
| Asian Island Nations | 0 | - | 4.63 | 93,735 |
| Asia's Busiest Airports | 0 | - | 4.77 | 52,260 |
| Asian Countries by Borders in 30 Seconds | 0 | - | 4.45 | 412,694 |
| Arab Spring Countries | 0 | - | 4.51 | 43,810 |
| Qatar Country Quiz | 0 | - | 4.85 | 31,283 |
| Oman Country Quiz | 0 | - | 4.86 | 26,665 |
| Jordan Country Quiz | 0 | - | 4.86 | 31,398 |
| Brunei Country Quiz | 0 | - | 4.87 | 21,749 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,526 |
| Closest Countries to North Korea | 0 | - | 4.94 | 121,774 |
| Hindu Countries | 0 | - | 4.85 | 49,541 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,989 |
| Capitals of French Regions | 0 | - | 4.45 | 15,982 |
| Capitals of German States | 0 | - | 4.74 | 28,807 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,090 |
| The Trojan War | 0 | - | 4.83 | 39,419 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,490 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,027 |
| Roman Emperors | 0 | - | 4.95 | 118,414 |
| Asian Islands | 0 | - | 4.49 | 20,763 |
| Turkmenistan Country Quiz | 0 | - | 4.81 | 25,666 |
| Egypt Country Quiz | 0 | - | 4.82 | 77,018 |
| Countries that Beat China | 0 | - | 4.86 | 114,675 |
| India Cities Map Quiz | 0 | - | 4.63 | 60,654 |
| Countries of the Indian Diaspora | 0 | - | 4.46 | 53,921 |
| Countries with the Most Hindus | 0 | - | 4.90 | 122,300 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,793 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,044 |
| Australian Capitals | 0 | - | 4.92 | 62,591 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,353 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,856 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,792 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,664 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,186 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,838 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,641 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,604 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,005 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,273 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,979 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,606 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,932 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,970 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,573 |
| Regions of France | 0 | - | 4.78 | 119,174 |
| France Immigration by Country | 0 | - | 4.72 | 75,943 |
| Famous Germans | 0 | - | 4.50 | 54,595 |
| German Groups of Things | 0 | - | 4.46 | 38,298 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,434 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,756 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,310 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,761 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,037 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,917 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 70,819 |
| Asian Geography by Letter - H | 0 | - | 4.49 | 65,381 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 61,149 |
| Asian Geography by Letter - P | 0 | - | 4.45 | 57,553 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 57,059 |
| Asia Geography Quiz #1 | 0 | - | 4.78 | 53,319 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,316 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,145 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.75 | 41,093 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 35,890 |
| The Only Asian Country ... | 0 | - | 4.74 | 121,843 |
| Ten Highest HDI Countries in Asia | 0 | - | 4.45 | 54,636 |
| Asian Geography By Letter - L | 0 | - | 4.49 | 42,700 |
| Asian Countries with the Fewest Borders | 0 | - | 4.74 | 106,454 |
| Countries Surrounding Istanbul | 0 | - | 4.89 | 24,692 |
| Countries Closest to Egypt | 0 | - | 4.83 | 100,528 |
| Provinces of the Philippines | 0 | - | 4.56 | 48,252 |
| Overseas Chinese Population | 0 | - | 4.55 | 43,162 |
| Mongolia Country Quiz | 0 | - | 4.73 | 39,249 |
