| European Countries by First 2 Letters | 0 | - | 4.96 | 457,871 |
| Official European Union Languages | 0 | - | 4.98 | 200,721 |
| European Countries in their Native Language | 0 | - | 4.99 | 144,108 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 386,906 |
| Slavic Languages | 0 | - | 4.58 | 48,798 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,702 |
| Europe Geography Decoder | 0 | - | 4.89 | 63,375 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,077 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 20,877 |
| Celtic Nations | 0 | - | 4.76 | 44,676 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,140 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 79,774 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 285,799 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 116,335 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,442 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,893 |
| Regions of Spain Quiz | 0 | - | 4.86 | 95,199 |
| Cantons of Switzerland | 0 | - | 4.96 | 40,440 |
| Champions League Winners | 0 | - | 4.91 | 856,425 |
| Count to 10 in Europe: Pro | 0 | - | 4.80 | 61,063 |
| Catholic Countries in Europe | 0 | - | 4.87 | 83,869 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,894 |
| Federal Subjects of Russia | 0 | - | 4.95 | 112,883 |
| States of Germany | 0 | - | 4.93 | 124,070 |
| Germany Immigration by Country | 0 | - | 4.90 | 69,906 |
| States of the German Confederation in 1848 | 0 | - | 4.83 | 26,586 |
| Counties of Ireland | 0 | - | 4.89 | 159,495 |
| Regions of Italy | 0 | - | 4.88 | 60,600 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,707 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,654 |
| Spanish Immigration by Country | 0 | - | 4.63 | 51,939 |
| England or Wales? | 0 | - | 4.93 | 40,329 |
| All Champions League Teams Ever | 0 | - | 4.89 | 104,815 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,469 |
| Word Scramble - European Countries | 0 | - | 4.72 | 114,019 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 86,085 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 201,293 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 247,451 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 255,696 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 245,125 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 56,459 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,470 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 74,771 |
| Top European Languages on a Map | 0 | - | 4.76 | 118,376 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 585,100 |
| Italy Multiple Choice | 0 | - | 4.74 | 94,053 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,784 |
| Roman Emperors | 0 | - | 4.95 | 96,104 |
| Europe Map Quiz | 0 | - | 5.00 | 4,300,686 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,112 |
| Capitals of German States | 0 | - | 4.71 | 27,228 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 19,596 |
| The Trojan War | 0 | - | 4.81 | 35,987 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 85,642 |
| Capitals of Italian Regions | 0 | - | 4.52 | 26,157 |
| Provinces of the Netherlands | 0 | - | 4.61 | 33,382 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,047 |
| British Acronyms | 0 | - | 4.41 | 43,413 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 73,562 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,346,458 |
| Asia Map Quiz | 0 | - | 4.99 | 787,322 |
| Africa Map Quiz | 0 | - | 5.00 | 1,941,744 |
| Oceania Map Quiz | 0 | - | 4.98 | 568,965 |
| Australian Capitals | 0 | - | 4.92 | 60,792 |
| European Geography By Letter - A | 0 | - | 4.51 | 124,573 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,717 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,077 |
| European Geography By Letter - D | 0 | - | 4.53 | 99,687 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,251 |
| European Geography By Letter - M | 0 | - | 4.55 | 114,587 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,823 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,560 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,566 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,162 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,628 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,289 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 57,944 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,026 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 62,208 |
| Regions of France | 0 | - | 4.63 | 100,738 |
| France Immigration by Country | 0 | - | 4.80 | 69,083 |
| German Groups of Things | 0 | - | 4.43 | 36,004 |
| Germany True or False? | 0 | - | 4.63 | 44,541 |
| Largest Islands of Greece | 0 | - | 4.57 | 39,919 |
| Olympian Gods Quiz | 0 | - | 4.96 | 457,681 |
| Name that Greek Letter | 0 | - | 4.94 | 296,220 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,803 |
| The Vikings! | 0 | - | 4.45 | 27,123 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,385 |
| The Portuguese Empire | 0 | - | 4.54 | 11,345 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,850 |
| British Words Quiz #2 | 0 | - | 4.03 | 106,933 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,365 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,989 |
| Beatles Songs Quiz | 0 | - | 4.95 | 208,233 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 274,179 |
| Champions League Top 4 | 0 | - | 4.79 | 105,669 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 80,114 |
| African East Coast | 0 | - | 4.97 | 84,386 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,072 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 40,473 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,193 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 195,541 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 86,686 |
| Countries That Use the Euro | 0 | - | 4.92 | 63,374 |
| European Physical Geography | 0 | - | 4.20 | 31,943 |
| 10 Easternmost Countries in Europe | 0 | - | 4.85 | 92,614 |
| Country Codes of Europe | 0 | - | 3.34 | 12,758 |
| The Only European Country ... | 0 | - | 4.94 | 178,983 |
| History of Russia Quiz | 0 | - | 4.48 | 29,896 |
| Geography of Russia | 0 | - | 4.54 | 20,195 |
| History of Austria | 0 | - | 4.68 | 16,412 |
| Capitals of French Regions | 0 | - | 4.40 | 14,787 |
| Presidents of France | 0 | - | 4.23 | 20,265 |
| Geography of the French Empire | 0 | - | 4.49 | 25,439 |
| The French Revolution | 0 | - | 4.45 | 21,952 |
| France Multiple Choice | 0 | - | 4.40 | 38,669 |
| History of France Quiz | 0 | - | 4.55 | 39,720 |
| Ancient Greek Words | 0 | - | 4.90 | 97,701 |
| History of Ireland Quiz | 0 | - | 4.44 | 18,943 |
| History of Italy | 0 | - | 4.49 | 29,820 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 400,143 |
| History of The Netherlands | 0 | - | 4.42 | 15,786 |
| Canary Islands | 0 | - | 4.61 | 16,565 |
| Switzerland Immigration by Country | 0 | - | 4.79 | 21,265 |
| British Spellings Quiz | 0 | - | 4.04 | 94,709 |
| British Groups of Things | 0 | - | 4.26 | 80,168 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,750 |
| British Monopoly Board | 0 | - | 4.51 | 39,271 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,282,739 |
| Countries of Africa | 0 | - | 5.00 | 2,172,924 |
| Australia Map Quiz | 0 | - | 4.95 | 320,046 |
| United States Map Quiz | 0 | - | 4.98 | 3,906,626 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 336,203 |
| European Geography By Letter - E | 0 | - | 4.21 | 105,574 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,392 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,016 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,225 |
| European Geography By Letter - I | 0 | - | 4.10 | 88,906 |
| European Geography By Letter - K | 0 | - | 4.17 | 64,613 |
| European Geography By Letter - O | 0 | - | 4.27 | 57,864 |
| European Geography By Letter - R | 0 | - | 4.40 | 87,647 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,340 |
| European Geography By Letter - T | 0 | - | 4.39 | 70,981 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,027 |
| European Geography By Letter - S #2 | 0 | - | 4.17 | 46,841 |
| European Geography A-Z | 0 | - | 4.37 | 45,464 |
| Word Chain - Russia | 0 | - | 4.41 | 14,826 |
| Austria... or Australia? | 0 | - | 4.79 | 98,125 |
| Word Chain - France | 0 | - | 4.38 | 40,038 |
| Famous Germans | 0 | - | 4.39 | 35,209 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,452 |
| Famous Italians | 0 | - | 4.40 | 66,394 |
| Italian Foods | 0 | - | 4.25 | 64,373 |
| Ancient Roman Trivia #2 | 0 | - | 4.55 | 35,424 |
| Geography of the Roman Empire | 0 | - | 4.55 | 48,556 |
| Byzantine History | 0 | - | 4.87 | 26,258 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,632 |
| History of Spain Quiz | 0 | - | 4.33 | 19,587 |
| Languages of Spain | 0 | - | 4.34 | 21,371 |
| Real Madrid 2010's Starting XI | 0 | - | 4.86 | 51,516 |
| British Words Quiz #1 | 0 | - | 3.78 | 236,212 |
| British Foods | 0 | - | 3.85 | 47,061 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 65,831 |
| British and American Word Differences | 0 | - | 2.66 | 44,410 |
| Counties of England | 0 | - | 4.96 | 691,914 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,346 |
| Wonderwall Lyrics | 0 | - | 4.22 | 68,874 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 43,575 |
| Bridges of London | 0 | - | 4.11 | 9,367 |
| British Sport Trivia | 0 | - | 4.32 | 19,271 |
| Famous Welsh People | 0 | - | 4.12 | 9,272 |
| Champions League All-Time Table | 0 | - | 4.16 | 117,224 |
| Champions League Top Goal Scorers | 0 | - | 4.22 | 167,216 |
| Flags of Asia Quiz | 0 | - | 4.99 | 525,513 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 100,318 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 125,781 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,825 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 96,693 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 111,158 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 93,752 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 60,802 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 210,609 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.96 | 36,311 |
| Countries of the Middle East | 0 | - | 4.96 | 173,930 |
| Countries where Arabic is an Official Language | 0 | - | 4.84 | 52,095 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,784 |
| Flags of Africa Quiz | 0 | - | 4.99 | 387,608 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 19,600 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 197,884 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 104,804 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 131,006 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 119,545 |
| Top African Languages on a Map | 0 | - | 4.92 | 53,311 |
| African Island Countries | 0 | - | 4.96 | 89,471 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 223,299 |
| Australian States and Territories | 0 | - | 4.96 | 129,129 |
| Australia True or False | 0 | - | 4.90 | 51,465 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,116 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 132,388 |
