| Germany Multiple Choice | 0 | - | 4.84 | 54,280 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,868 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,748 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,619 |
| Capitals of German States | 0 | - | 4.74 | 28,924 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,275 |
| States of Germany | 0 | - | 4.96 | 151,835 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,865 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,657 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,985 |
| Official European Union Languages | 0 | - | 4.97 | 238,086 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,590 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,436 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,460 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,574 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,417 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,872 |
| History of Italy | 0 | - | 4.55 | 31,935 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,625 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,608 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,158 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,354 |
| Celtic Nations | 0 | - | 4.69 | 46,907 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,232 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,945 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,508 |
| Capitals of French Regions | 0 | - | 4.45 | 16,035 |
| Geography of Germany | 0 | - | 4.35 | 17,160 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,093 |
| Famous Germans | 0 | - | 4.50 | 55,148 |
| German Groups of Things | 0 | - | 4.46 | 38,431 |
| Germany True or False? | 0 | - | 4.61 | 48,735 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,875 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,384 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,904 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,671 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,300 |
| History of Austria | 0 | - | 4.70 | 17,831 |
| Geography of the French Empire | 0 | - | 4.45 | 27,019 |
| The French Revolution | 0 | - | 4.46 | 23,899 |
| France Multiple Choice | 0 | - | 4.38 | 40,701 |
| History of France | 0 | - | 4.59 | 56,810 |
| Regions of Italy | 0 | - | 4.92 | 75,526 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,813 |
| The Vikings! | 0 | - | 4.46 | 28,318 |
| The Portuguese Empire | 0 | - | 4.58 | 12,045 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,602 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,980 |
| American to British Word Translation | 0 | - | 4.14 | 138,725 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,856 |
| Champions League Winners | 0 | - | 4.92 | 1,003,546 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,532 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,245 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,625 |
| Presidents of France | 0 | - | 4.25 | 24,030 |
| Departments of France | 0 | - | 4.93 | 53,739 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,513 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,009 |
| England or Wales? | 0 | - | 4.94 | 45,592 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,700 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,550 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,640 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,475 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,332 |
| Slavic Languages | 0 | - | 4.68 | 54,262 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,336 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,708 |
| History of Germany | 0 | - | 4.39 | 52,775 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,986 |
| Name that Greek Letter | 0 | - | 4.93 | 323,057 |
| History of Spain | 0 | - | 4.23 | 21,069 |
| Languages of Spain | 0 | - | 4.36 | 23,282 |
| British to American Word Translation | 0 | - | 3.74 | 254,992 |
| British Foods by Description | 0 | - | 3.94 | 48,311 |
| British and American Word Differences | 0 | - | 2.63 | 46,854 |
| British Geography Quiz #2 | 0 | - | 4.29 | 27,576 |
| Bridges of London | 0 | - | 4.17 | 10,090 |
| British Sport Trivia | 0 | - | 4.37 | 20,436 |
| Famous Welsh People | 0 | - | 4.29 | 11,353 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,836 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,831 |
| History of Russia Quiz | 0 | - | 4.49 | 31,878 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,690 |
| Word Chain - Germany | 0 | - | 4.31 | 22,562 |
| The Trojan War | 0 | - | 4.83 | 39,641 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,514 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,402 |
| Roman Emperors | 0 | - | 4.95 | 119,639 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,786 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,627 |
| Australian Capitals | 0 | - | 4.92 | 62,694 |
| European Geography By Letter - A | 0 | - | 4.51 | 144,844 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,577 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,318 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,048 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,115 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,110 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,205 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,544 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,230 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,790 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,117 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,812 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,203 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,861 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,150 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,176 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,349 |
| Regions of France | 0 | - | 4.75 | 120,375 |
| France Immigration by Country | 0 | - | 4.70 | 76,386 |
| German Loan Words | 0 | - | 4.27 | 135,718 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,856 |
| Olympian Gods Quiz | 0 | - | 4.96 | 499,476 |
| Ancient Greek Words | 0 | - | 4.93 | 111,321 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,252 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,216 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,232 |
| British Noble Ranks | 0 | - | 3.85 | 20,419 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,057 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,600 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,438 |
| Africa Map Quiz | 0 | - | 5.00 | 2,114,406 |
| Oceania Map Quiz | 0 | - | 4.98 | 640,405 |
| European Physical Geography | 0 | - | 4.26 | 33,468 |
| Geography of Russia | 0 | - | 4.57 | 21,508 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,902 |
| German History A-Z | 0 | - | 4.49 | 24,568 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,096 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,991 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,031 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,554 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,595 |
| Champions League Top 4 | 0 | - | 4.77 | 135,679 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,446,376 |
| Asia Map Quiz | 0 | - | 4.99 | 914,266 |
| Countries of Africa | 0 | - | 5.00 | 2,529,362 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,579 |
| African East Coast | 0 | - | 4.96 | 95,792 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,594 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,439 |
| Australia Map Quiz | 0 | - | 4.95 | 343,790 |
| United States Map Quiz | 0 | - | 4.98 | 4,153,530 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,694 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,570 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,489 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,895 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,225 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,551 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,731 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,382 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,223 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,886 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,493 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,738 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,605 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,002 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,793 |
| European Geography A-Z | 0 | - | 4.29 | 49,187 |
| Country Codes of Europe | 0 | - | 3.43 | 13,700 |
| The Only European Country ... | 0 | - | 4.91 | 215,930 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,744 |
| Austria... or Australia? | 0 | - | 4.68 | 104,227 |
| Famous French People | 0 | - | 4.06 | 34,674 |
| Word Chain - France | 0 | - | 4.38 | 42,734 |
| Bundesliga Champions | 0 | - | 4.25 | 56,276 |
| All Bundesliga Teams Ever | 0 | - | 4.35 | 45,405 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,931 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,874 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,394 |
| Italian Foods | 0 | - | 4.30 | 72,621 |
| History of The Netherlands | 0 | - | 4.46 | 17,403 |
| Canary Islands | 0 | - | 4.62 | 17,459 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,582 |
| British Spellings | 0 | - | 4.06 | 99,401 |
| British Groups of Things | 0 | - | 4.25 | 82,830 |
| British Acronyms | 0 | - | 4.39 | 45,753 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,015 |
| British Monopoly Board | 0 | - | 4.52 | 41,137 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,653 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,606 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,380,702 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,861 |
| Flags of Africa Quiz | 0 | - | 5.00 | 469,073 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,617 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,370 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,974 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,053 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,128 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,616 |
| African Island Countries | 0 | - | 4.96 | 101,404 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,024 |
| Australian States and Territories | 0 | - | 4.96 | 141,674 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,228 |
| Australia True or False | 0 | - | 4.87 | 56,756 |
| Flags of North and South America | 0 | - | 4.99 | 371,777 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,504 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,070 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,255 |
| South America Map Quiz | 0 | - | 5.00 | 1,547,123 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,288 |
