| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,800 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,641 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,845 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,654 |
| Official European Union Languages | 0 | - | 4.97 | 237,085 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,880 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,536 |
| Slavic Languages | 0 | - | 4.67 | 54,027 |
| Austria... or Australia? | 0 | - | 4.68 | 103,925 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,917 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,576 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,589 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,589 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,917 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 308,084 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 168,285 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,073 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 350,539 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,254 |
| Celtic Nations | 0 | - | 4.69 | 46,830 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,699 |
| Champions League Winners | 0 | - | 4.92 | 997,410 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,429 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,303 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,378 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,920 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,318 |
| States of Germany | 0 | - | 4.96 | 150,332 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,117 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,584 |
| Regions of Italy | 0 | - | 4.92 | 74,843 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,902 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,490 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,397 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,558 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,189 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,782 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,435 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,358 |
| Departments of France | 0 | - | 4.93 | 52,939 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,389 |
| England or Wales? | 0 | - | 4.94 | 45,367 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 128,671 |
| Haiti... or Dominican Republic? | 0 | - | 4.70 | 40,599 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,464 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,608 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,047 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,244 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,890 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,543 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,658 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,525 |
| The Trojan War | 0 | - | 4.83 | 39,468 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 642,615 |
| Name that Greek Letter | 0 | - | 4.94 | 321,852 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,711 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,469 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,448 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,116 |
| Roman Emperors | 0 | - | 4.95 | 118,618 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,269 |
| Iran... or Iraq? | 0 | - | 4.32 | 33,463 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,235 |
| History of Russia Quiz | 0 | - | 4.49 | 31,803 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,870 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,494 |
| History of Italy | 0 | - | 4.55 | 31,843 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,233 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,497 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,003 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,691 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,467 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,963 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,916 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,770 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,279 |
| European Geography By Letter - M | 0 | - | 4.61 | 129,009 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,724 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,678 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,058 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,373 |
| Europe Map Quiz | 0 | - | 5.00 | 4,734,525 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,020 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,651 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,979 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,016 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,640 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,198 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,658 |
| Capitals of French Regions | 0 | - | 4.45 | 15,992 |
| Regions of France | 0 | - | 4.78 | 119,406 |
| France Immigration by Country | 0 | - | 4.72 | 76,018 |
| Famous Germans | 0 | - | 4.50 | 54,668 |
| German Groups of Things | 0 | - | 4.46 | 38,323 |
| Capitals of German States | 0 | - | 4.74 | 28,820 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,113 |
| Germany True or False? | 0 | - | 4.61 | 48,556 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,525 |
| Ancient Greek Words | 0 | - | 4.92 | 110,799 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,612 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,664 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,877 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,082 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,061 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,294 |
| The UK for Americans - True or False | 0 | - | 4.44 | 58,428 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,409 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,306 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 290,446 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,270 |
| Africa Map Quiz | 0 | - | 5.00 | 2,105,722 |
| Which African Country? | 0 | - | 4.58 | 36,255 |
| Oceania Map Quiz | 0 | - | 4.98 | 636,057 |
| Australian Capitals | 0 | - | 4.92 | 62,599 |
| European Physical Geography | 0 | - | 4.26 | 33,382 |
| Which European Country - Multiple Choice | 0 | - | 4.51 | 84,114 |
| Geography of Russia | 0 | - | 4.57 | 21,438 |
| History of Austria | 0 | - | 4.70 | 17,766 |
| Geography of the French Empire | 0 | - | 4.45 | 26,949 |
| The French Revolution | 0 | - | 4.46 | 23,804 |
| France Multiple Choice | 0 | - | 4.38 | 40,645 |
| History of France | 0 | - | 4.59 | 56,202 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,394 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,177 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,943 |
| The Vikings! | 0 | - | 4.46 | 28,254 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,731 |
| The Portuguese Empire | 0 | - | 4.54 | 12,001 |
| American to British Word Translation | 0 | - | 4.11 | 135,305 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,739 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,279 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,081 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,676 |
| Champions League Top 4 | 0 | - | 4.77 | 134,071 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,441,869 |
| Asia Map Quiz | 0 | - | 4.99 | 907,878 |
| Which Asian Country? | 0 | - | 4.64 | 57,422 |
| Countries of Africa | 0 | - | 5.00 | 2,510,836 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,902 |
| African East Coast | 0 | - | 4.96 | 95,150 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,022 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,909 |
| Australia Map Quiz | 0 | - | 4.94 | 342,681 |
| Paraguay... or Uruguay? | 0 | - | 4.55 | 26,609 |
| United States Map Quiz | 0 | - | 4.98 | 4,143,485 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,347 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,258 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,494 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,223 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,540 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,274 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,711 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,944 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,331 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,539 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,203 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,960 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,329 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,429 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,544 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,739 |
| European Geography A-Z | 0 | - | 4.28 | 49,030 |
| Country Codes of Europe | 0 | - | 3.46 | 13,658 |
| The Only European Country ... | 0 | - | 4.91 | 214,129 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,751 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,184 |
| Seas of Europe | 0 | - | 4.37 | 83,843 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,560 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,970 |
| Presidents of France | 0 | - | 4.25 | 23,923 |
| France A-Z | 0 | - | 4.16 | 38,077 |
| Word Chain - France | 0 | - | 4.38 | 42,600 |
| France True or False? | 0 | - | 4.43 | 39,797 |
| French History Multiple Choice | 0 | - | 4.55 | 32,892 |
| History of Germany | 0 | - | 4.39 | 52,645 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,803 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,788 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,978 |
| Italian Foods | 0 | - | 4.31 | 72,257 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,015 |
| The Mafia Quiz | 0 | - | 4.46 | 23,214 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,565 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,705 |
| Roman Names for Places | 0 | - | 4.62 | 57,917 |
| Byzantine History | 0 | - | 4.91 | 28,648 |
| History of The Netherlands | 0 | - | 4.46 | 17,327 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,967 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,482 |
| Canary Islands | 0 | - | 4.61 | 17,412 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,295 |
| Switzerland A-Z | 0 | - | 4.45 | 25,523 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,208 |
| British Spellings | 0 | - | 4.07 | 99,273 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,469 |
| British Groups of Things | 0 | - | 4.25 | 82,710 |
| British Acronyms | 0 | - | 4.39 | 45,641 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,929 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,966 |
| British Monopoly Board | 0 | - | 4.52 | 41,045 |
| Geography of Scotland | 0 | - | 4.63 | 21,499 |
