| Germany Multiple Choice | 0 | - | 4.83 | 51,598 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 28,943 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 39,816 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 506,044 |
| Capitals of German States | 0 | - | 4.70 | 28,042 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 21,766 |
| States of Germany | 0 | - | 4.94 | 135,690 |
| Germany Immigration by Country | 0 | - | 4.86 | 74,737 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,329 |
| Count to 10 in Europe: Pro | 0 | - | 4.84 | 64,498 |
| Official European Union Languages | 0 | - | 4.98 | 225,973 |
| European Countries in their Native Language | 0 | - | 4.99 | 150,163 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 406,085 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,691 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,410 |
| Spanish Immigration by Country | 0 | - | 4.62 | 53,775 |
| Europe Geography Decoder | 0 | - | 4.85 | 66,387 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 40,339 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,060 |
| Celtic Nations | 0 | - | 4.75 | 45,799 |
| Capitals of French Regions | 0 | - | 4.42 | 15,377 |
| France Multiple Choice | 0 | - | 4.41 | 39,735 |
| Italy Multiple Choice | 0 | - | 4.71 | 98,821 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,378 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,990 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 83,381 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 296,681 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 140,945 |
| Geography of Germany | 0 | - | 4.37 | 16,356 |
| German Groups of Things | 0 | - | 4.45 | 37,215 |
| Germany True or False? | 0 | - | 4.62 | 46,454 |
| Catholic Countries in Europe | 0 | - | 4.83 | 88,875 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 55,962 |
| Category Elimination - European Geography #3 | 0 | - | 4.83 | 72,586 |
| Federal Subjects of Russia | 0 | - | 4.93 | 127,292 |
| History of Austria | 0 | - | 4.69 | 17,031 |
| Geography of the French Empire | 0 | - | 4.51 | 26,079 |
| The French Revolution | 0 | - | 4.45 | 22,686 |
| Counties of Ireland | 0 | - | 4.88 | 173,288 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,094 |
| Regions of Italy | 0 | - | 4.90 | 66,572 |
| History of Italy | 0 | - | 4.50 | 30,887 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 34,517 |
| The Vikings! | 0 | - | 4.45 | 27,694 |
| The Portuguese Empire | 0 | - | 4.54 | 11,645 |
| Regions of Spain Quiz | 0 | - | 4.89 | 103,191 |
| Cantons of Switzerland | 0 | - | 4.97 | 44,505 |
| Languages of the United Kingdom | 0 | - | 4.12 | 39,544 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.96 | 303,994 |
| Champions League Winners | 0 | - | 4.92 | 936,588 |
| Presidents of France | 0 | - | 4.24 | 21,820 |
| History of France Quiz | 0 | - | 4.56 | 41,419 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,433 |
| Pre-Euro Currencies | 0 | - | 4.43 | 50,975 |
| Word Scramble - European Countries | 0 | - | 4.71 | 134,295 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 100,794 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 214,672 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 260,737 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 153,541 |
| Slavic Languages | 0 | - | 4.68 | 51,274 |
| Departments of France | 0 | - | 4.88 | 42,887 |
| Famous Germans | 0 | - | 4.39 | 36,912 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,945 |
| England or Wales? | 0 | - | 4.94 | 42,850 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 118,938 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 256,131 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 60,548 |
| French Geography Quiz #1 | 0 | - | 4.87 | 32,788 |
| History of Spain Quiz | 0 | - | 4.29 | 20,345 |
| Languages of Spain | 0 | - | 4.38 | 22,240 |
| British Words Quiz #1 | 0 | - | 3.74 | 238,208 |
| British Words Quiz #2 | 0 | - | 3.99 | 108,275 |
| British Foods | 0 | - | 3.88 | 47,638 |
| British and American Word Differences | 0 | - | 2.67 | 44,825 |
| British Geography Quiz #2 | 0 | - | 4.29 | 26,895 |
| Bridges of London | 0 | - | 4.17 | 9,713 |
| British Sport Trivia | 0 | - | 4.33 | 19,790 |
| Famous Welsh People | 0 | - | 4.21 | 9,505 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 265,992 |
| Top European Languages on a Map | 0 | - | 4.77 | 124,829 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,365 |
| History of Germany | 0 | - | 4.38 | 51,191 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 610,148 |
| Invasions of Great Britain | 0 | - | 4.50 | 57,481 |
| Europe Map Quiz | 0 | - | 5.00 | 4,509,614 |
| Word Chain - Germany | 0 | - | 4.32 | 21,829 |
| The Trojan War | 0 | - | 4.81 | 37,438 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.86 | 101,245 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 74,457 |
| Roman Emperors | 0 | - | 4.96 | 108,097 |
| British Noble Ranks | 0 | - | 3.85 | 19,931 |
| Africa Map Quiz | 0 | - | 5.00 | 2,019,322 |
| Oceania Map Quiz | 0 | - | 4.98 | 598,840 |
| Australian Capitals | 0 | - | 4.92 | 61,767 |
| European Geography By Letter - A | 0 | - | 4.61 | 128,181 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,037 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,334 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,065 |
| European Geography By Letter - L | 0 | - | 4.51 | 108,245 |
| European Geography By Letter - M | 0 | - | 4.53 | 117,602 |
| European Geography By Letter - P | 0 | - | 4.79 | 92,926 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,441 |
| European Geography By Letter - R | 0 | - | 4.41 | 89,856 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,258 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,045 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 69,594 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,163 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 59,443 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 96,292 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 65,182 |
| Regions of France | 0 | - | 4.70 | 109,251 |
| France Immigration by Country | 0 | - | 4.78 | 72,678 |
| German Loan Words | 0 | - | 4.26 | 132,686 |
| Largest Islands of Greece | 0 | - | 4.58 | 43,760 |
| Olympian Gods Quiz | 0 | - | 4.96 | 469,377 |
| Name that Greek Letter | 0 | - | 4.94 | 308,875 |
| Provinces of the Netherlands | 0 | - | 4.71 | 36,593 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 46,966 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 95,293 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,389,083 |
| Asia Map Quiz | 0 | - | 4.99 | 843,827 |
| African East Coast | 0 | - | 4.96 | 89,368 |
| Western Africa Map Quiz | 0 | - | 4.97 | 66,987 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 44,895 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 200,902 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 89,070 |
| Countries That Use the Euro | 0 | - | 4.92 | 73,626 |
| European Physical Geography | 0 | - | 4.23 | 32,647 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 102,487 |
| Country Codes of Europe | 0 | - | 3.40 | 13,138 |
| The Only European Country ... | 0 | - | 4.92 | 194,693 |
| History of Russia Quiz | 0 | - | 4.48 | 30,939 |
| Geography of Russia | 0 | - | 4.56 | 20,776 |
| Slovakia... or Slovenia? | 0 | - | 4.70 | 40,711 |
| Ancient Greek Words | 0 | - | 4.92 | 104,293 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,168 |
| Sweden Immigration by Country | 0 | - | 4.64 | 44,530 |
| United Kingdom A-Z | 0 | - | 4.53 | 83,912 |
| Beatles Songs Quiz | 0 | - | 4.96 | 221,384 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 281,883 |
| Champions League Top 4 | 0 | - | 4.68 | 119,896 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 88,057 |
| Countries of Africa | 0 | - | 5.00 | 2,323,429 |
| Australia Map Quiz | 0 | - | 4.94 | 331,817 |
| United States Map Quiz | 0 | - | 4.98 | 4,030,910 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 348,636 |
| European Geography By Letter - E | 0 | - | 4.22 | 108,792 |
| European Geography By Letter - F | 0 | - | 4.16 | 88,463 |
| European Geography By Letter - H | 0 | - | 4.29 | 91,797 |
| European Geography By Letter - G | 0 | - | 4.25 | 98,211 |
| European Geography By Letter - I | 0 | - | 4.10 | 91,720 |
| European Geography By Letter - K | 0 | - | 4.14 | 66,575 |
| European Geography By Letter - O | 0 | - | 4.28 | 59,629 |
| European Geography by Letter - W | 0 | - | 4.22 | 80,409 |
| European Geography By Letter - T | 0 | - | 4.39 | 72,864 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 61,724 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 48,498 |
| European Geography A-Z | 0 | - | 4.31 | 47,217 |
| Austria... or Australia? | 0 | - | 4.78 | 101,095 |
| Word Chain - France | 0 | - | 4.37 | 41,355 |
| Bundesliga Champions | 0 | - | 4.26 | 50,693 |
| All Bundesliga Teams Ever | 0 | - | 4.40 | 42,366 |
| Ancient Greek Trivia | 0 | - | 4.55 | 65,000 |
| Famous Italians | 0 | - | 4.40 | 69,949 |
| Italian Foods | 0 | - | 4.30 | 68,270 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 415,316 |
| History of The Netherlands | 0 | - | 4.44 | 16,441 |
| Famous Nordic People | 0 | - | 4.41 | 10,911 |
| Canary Islands | 0 | - | 4.61 | 16,948 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 25,551 |
| British Spellings Quiz | 0 | - | 4.07 | 97,015 |
| British Groups of Things | 0 | - | 4.25 | 81,760 |
| British Acronyms | 0 | - | 4.39 | 44,538 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,298 |
| British Monopoly Board | 0 | - | 4.51 | 40,176 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,331,444 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 95,007 |
| Flags of Africa Quiz | 0 | - | 5.00 | 419,356 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 24,426 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 206,840 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 110,297 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 153,742 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 127,260 |
| Top African Languages on a Map | 0 | - | 4.92 | 62,738 |
| African Island Countries | 0 | - | 4.96 | 94,942 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 232,610 |
| Australian States and Territories | 0 | - | 4.96 | 134,946 |
| Australian Immigration by Country | 0 | - | 4.81 | 75,198 |
| Australia True or False | 0 | - | 4.87 | 54,154 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 330,963 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 109,777 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 137,670 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 116,565 |
| South America Map Quiz | 0 | - | 5.00 | 1,480,570 |
| Countries of North America Quiz | 0 | - | 5.00 | 940,776 |
| North America Map Quiz | 0 | - | 4.98 | 219,576 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 110,474 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 606,144 |
| Most Spoken Languages in Canada | 0 | - | 4.90 | 50,639 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 39,859 |
