| Germany Multiple Choice | 0 | - | 4.81 | 50,157 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 27,212 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,435 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 492,588 |
| Capitals of German States | 0 | - | 4.70 | 27,436 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,698 |
| States of Germany | 0 | - | 4.94 | 127,510 |
| Germany Immigration by Country | 0 | - | 4.91 | 71,519 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 62,047 |
| Official European Union Languages | 0 | - | 4.98 | 204,294 |
| European Countries in their Native Language | 0 | - | 4.99 | 146,249 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 393,281 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,582 |
| Europe Geography Decoder | 0 | - | 4.88 | 64,421 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,360 |
| Add A Letter - Make a European City | 0 | - | 4.86 | 21,310 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,741 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,249 |
| Celtic Nations | 0 | - | 4.76 | 45,076 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,421 |
| Italy Multiple Choice | 0 | - | 4.74 | 95,734 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 80,967 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 289,350 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 123,545 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 22,229 |
| Geography of Germany | 0 | - | 4.37 | 15,860 |
| German Groups of Things | 0 | - | 4.43 | 36,426 |
| Germany True or False? | 0 | - | 4.63 | 45,186 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,798 |
| The Vikings! | 0 | - | 4.45 | 27,335 |
| The Portuguese Empire | 0 | - | 4.54 | 11,430 |
| Regions of Spain Quiz | 0 | - | 4.87 | 97,672 |
| Cantons of Switzerland | 0 | - | 4.97 | 41,618 |
| Languages of the United Kingdom | 0 | - | 4.12 | 38,705 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 282,904 |
| Champions League Winners | 0 | - | 4.92 | 895,702 |
| Catholic Countries in Europe | 0 | - | 4.86 | 85,541 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,504 |
| Federal Subjects of Russia | 0 | - | 4.95 | 117,486 |
| History of Austria | 0 | - | 4.69 | 16,596 |
| France Immigration by Country | 0 | - | 4.81 | 70,428 |
| Geography of the French Empire | 0 | - | 4.49 | 25,654 |
| The French Revolution | 0 | - | 4.45 | 22,170 |
| France Multiple Choice | 0 | - | 4.40 | 39,066 |
| Counties of Ireland | 0 | - | 4.90 | 163,998 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,234 |
| Regions of Italy | 0 | - | 4.89 | 62,275 |
| History of Italy | 0 | - | 4.49 | 30,072 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,999 |
| Capitals of French Regions | 0 | - | 4.40 | 14,914 |
| Presidents of France | 0 | - | 4.23 | 20,653 |
| History of France Quiz | 0 | - | 4.55 | 40,107 |
| England or Wales? | 0 | - | 4.93 | 41,118 |
| All Champions League Teams Ever | 0 | - | 4.90 | 108,345 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,939 |
| Word Scramble - European Countries | 0 | - | 4.76 | 130,630 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 91,007 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 205,394 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 251,533 |
| Slavic Languages | 0 | - | 4.65 | 49,517 |
| Famous Germans | 0 | - | 4.39 | 35,379 |
| Countries Surrounding Rome | 0 | - | 4.96 | 47,047 |
| History of Spain Quiz | 0 | - | 4.33 | 19,766 |
| Languages of Spain | 0 | - | 4.37 | 21,639 |
| British Words Quiz #1 | 0 | - | 3.77 | 236,960 |
| British Words Quiz #2 | 0 | - | 4.00 | 107,414 |
| British Foods | 0 | - | 3.88 | 47,229 |
| British and American Word Differences | 0 | - | 2.65 | 44,541 |
| British Geography Quiz #2 | 0 | - | 4.29 | 26,521 |
| Bridges of London | 0 | - | 4.17 | 9,482 |
| British Sport Trivia | 0 | - | 4.31 | 19,432 |
| Famous Welsh People | 0 | - | 4.15 | 9,341 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 258,939 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 248,657 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,790 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,652 |
| Invasions of Great Britain | 0 | - | 4.49 | 56,151 |
| Top European Languages on a Map | 0 | - | 4.78 | 120,303 |
| Russia Multiple Choice | 0 | - | 4.56 | 38,558 |
| History of Germany Quiz | 0 | - | 4.35 | 40,558 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 592,951 |
| British Noble Ranks | 0 | - | 3.80 | 19,659 |
| Europe Map Quiz | 0 | - | 5.00 | 4,358,858 |
| Word Chain - Germany | 0 | - | 4.30 | 21,357 |
| The Trojan War | 0 | - | 4.81 | 36,389 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 87,599 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,538 |
| Roman Emperors | 0 | - | 4.96 | 98,207 |
| Provinces of the Netherlands | 0 | - | 4.66 | 34,382 |
| British Acronyms | 0 | - | 4.41 | 43,805 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,853 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,357,222 |
| Asia Map Quiz | 0 | - | 4.99 | 802,460 |
| Africa Map Quiz | 0 | - | 5.00 | 1,964,137 |
| Oceania Map Quiz | 0 | - | 4.98 | 577,970 |
| Australian Capitals | 0 | - | 4.92 | 61,146 |
| European Geography By Letter - A | 0 | - | 4.63 | 125,892 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,981 |
| European Geography By Letter - C | 0 | - | 4.45 | 106,226 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,684 |
| European Geography By Letter - L | 0 | - | 4.51 | 106,357 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,625 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,732 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,457 |
| European Geography By Letter - V | 0 | - | 4.45 | 87,485 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 67,743 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 68,226 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,880 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,441 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 94,782 |
| European Geography By Letter - B #2 | 0 | - | 4.72 | 63,258 |
| Regions of France | 0 | - | 4.65 | 103,343 |
| German Loan Words | 0 | - | 4.28 | 130,612 |
| Largest Islands of Greece | 0 | - | 4.58 | 41,166 |
| Olympian Gods Quiz | 0 | - | 4.96 | 461,630 |
| Name that Greek Letter | 0 | - | 4.94 | 298,924 |
| Famous Italians | 0 | - | 4.41 | 67,544 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,836 |
| Sweden Immigration by Country | 0 | - | 4.66 | 43,104 |
| United Kingdom A-Z | 0 | - | 4.53 | 82,040 |
| Beatles Songs Quiz | 0 | - | 4.95 | 213,330 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 277,138 |
| Champions League Top 4 | 0 | - | 4.65 | 110,898 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 82,066 |
| African East Coast | 0 | - | 4.97 | 85,986 |
| Western Africa Map Quiz | 0 | - | 4.98 | 62,415 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,785 |
| American Countries on the Pacific Coast | 0 | - | 4.78 | 46,845 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 197,163 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,413 |
| Countries That Use the Euro | 0 | - | 4.93 | 66,521 |
| European Physical Geography | 0 | - | 4.21 | 32,164 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 95,693 |
| Country Codes of Europe | 0 | - | 3.36 | 12,872 |
| The Only European Country ... | 0 | - | 4.93 | 183,638 |
| History of Russia Quiz | 0 | - | 4.48 | 30,159 |
| Geography of Russia | 0 | - | 4.54 | 20,383 |
| Slovakia... or Slovenia? | 0 | - | 4.72 | 40,095 |
| Ancient Greek Words | 0 | - | 4.91 | 99,793 |
| History of The Netherlands | 0 | - | 4.43 | 15,994 |
| Famous Nordic People | 0 | - | 4.41 | 10,742 |
| Canary Islands | 0 | - | 4.61 | 16,664 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 23,128 |
| 100 Greatest Britons Quiz | 0 | - | 4.39 | 46,357 |
| British Spellings Quiz | 0 | - | 4.05 | 95,160 |
| British Groups of Things | 0 | - | 4.26 | 80,802 |
| United Kingdom Decoder | 0 | - | 4.28 | 38,919 |
| British Monopoly Board | 0 | - | 4.51 | 39,531 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,294,860 |
| Countries of Africa | 0 | - | 5.00 | 2,220,921 |
| Australia Map Quiz | 0 | - | 4.94 | 323,423 |
| United States Map Quiz | 0 | - | 4.98 | 3,937,008 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 340,054 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,749 |
| European Geography By Letter - F | 0 | - | 4.16 | 86,223 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,843 |
| European Geography By Letter - G | 0 | - | 4.25 | 96,060 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,819 |
| European Geography By Letter - K | 0 | - | 4.14 | 65,281 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,452 |
| European Geography By Letter - R | 0 | - | 4.40 | 88,371 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,879 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,639 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,583 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,437 |
| European Geography A-Z | 0 | - | 4.37 | 46,102 |
| Austria... or Australia? | 0 | - | 4.79 | 99,162 |
| Word Chain - France | 0 | - | 4.37 | 40,499 |
| Bundesliga Champions | 0 | - | 4.24 | 47,231 |
| All Bundesliga Teams Ever | 0 | - | 4.39 | 40,225 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,945 |
| Italian Foods | 0 | - | 4.25 | 65,654 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 405,161 |
| Most Common First Names in Spain | 0 | - | 4.25 | 43,935 |
| Real Madrid 2010's Starting XI | 0 | - | 4.85 | 54,291 |
| Most Common Surnames in the UK | 0 | - | 4.18 | 66,360 |
| Counties of England | 0 | - | 4.97 | 706,490 |
| Wonderwall Lyrics | 0 | - | 4.23 | 69,498 |
| Best-Selling British Musical Acts | 0 | - | 4.47 | 44,085 |
| Champions League All-Time Table | 0 | - | 4.15 | 121,863 |
| Champions League Top Goal Scorers | 0 | - | 4.21 | 185,452 |
| Flags of Asia Quiz | 0 | - | 4.99 | 536,037 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 101,793 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,807 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 90,347 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 98,339 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 113,042 |
| Asian Countries Ending in "IA" | 0 | - | 4.95 | 95,411 |
| Top Asian Languages on a Map | 0 | - | 4.94 | 62,209 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 213,719 |
| All First-Level Subdivisions of Asia on a Map | 0 | - | 4.95 | 37,969 |
| Countries of the Middle East | 0 | - | 4.95 | 177,497 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 52,518 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 92,724 |
| Flags of Africa Quiz | 0 | - | 4.99 | 397,425 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 21,230 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 201,198 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 106,749 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 149,669 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 121,889 |
