| French Geography Quiz #1 | 0 | - | 4.89 | 35,284 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,097 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,603 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,478 |
| Departments of France | 0 | - | 4.93 | 55,412 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,784 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,028 |
| England or Wales? | 0 | - | 4.94 | 46,052 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,871 |
| Official European Union Languages | 0 | - | 4.97 | 240,382 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,835 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,427 |
| Geography of Spain | 0 | - | 4.59 | 22,284 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,540 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,815 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,512 |
| The Trojan War | 0 | - | 4.83 | 40,078 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,241 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,296 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,700 |
| Roman Emperors | 0 | - | 4.95 | 121,452 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,008 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,667 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,441 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,387 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,470 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,109 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,337,305 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,143 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,209 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,553 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,755 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,512 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,724 |
| Celtic Nations | 0 | - | 4.61 | 47,129 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,457 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,475 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,871 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,966 |
| Champions League Winners | 0 | - | 4.92 | 1,018,130 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,537 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,807 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,103 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,918 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,092 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,186 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,958 |
| Countries Bordering France | 0 | - | 4.83 | 405,384 |
| States of Germany | 0 | - | 4.95 | 154,959 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,815 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,274 |
| Regions of Italy | 0 | - | 4.92 | 77,268 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,920 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,442 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,907 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,468 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,871 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,306 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,834 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,828 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,370 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,356 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,291 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,414 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,140 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,993 |
| Austria... or Australia? | 0 | - | 4.67 | 104,851 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,006 |
| Germany Country Quiz | 0 | - | 4.82 | 159,068 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,244 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,285 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,075 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,448 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,240 |
| Italian Foods | 0 | - | 4.30 | 73,399 |
| Countries Italy Declared War On | 0 | - | 4.74 | 48,248 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,138 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,634 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,049 |
| Canary Islands | 0 | - | 4.62 | 17,549 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,131 |
| British to American Food Translation | 0 | - | 3.38 | 52,065 |
| UK Immigration by Country | 0 | - | 4.94 | 141,908 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,285 |
| British Monopoly Board | 0 | - | 4.52 | 41,293 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,053 |
| Name the English Monarchs | 0 | - | 4.91 | 507,435 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,500 |
| Asian Last Names in the United States | 0 | - | 4.43 | 47,014 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,965 |
| Name a Valid African Country | 0 | - | 4.98 | 155,282 |
| NBA Players by Last Name | 0 | - | 4.30 | 85,535 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,572 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,930 |
| Countries that Beat Canada | 0 | - | 4.90 | 99,135 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,795 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,742 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,453 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,137 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,061 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,282 |
| Slavic Languages | 0 | - | 4.67 | 54,785 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,759 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,683 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,052 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,997 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,162 |
| France A-Z | 0 | - | 4.16 | 38,366 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,228 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,569 |
| Countries that Beat France | 0 | - | 4.48 | 76,505 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,162 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,570 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,030 |
| Name that Greek Letter | 0 | - | 4.93 | 325,313 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,484 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,893 |
| Counties of Ireland | 0 | - | 4.92 | 197,706 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,764 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,377 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,668 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,395 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,268 |
| Roman Names for Places | 0 | - | 4.62 | 58,790 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,653 |
| History of Spain | 0 | - | 4.23 | 21,178 |
| Languages of Spain | 0 | - | 4.36 | 23,473 |
| Spanish History A-Z | 0 | - | 4.37 | 19,538 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,395 |
| Switzerland A-Z | 0 | - | 4.45 | 25,794 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,112 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 76,018 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 64,018 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,670 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,154 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,099 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,621 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,369 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,425 |
| Topological Map of Asia Quiz | 0 | - | 4.83 | 20,564 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,588 |
| Countries that Beat China | 0 | - | 4.85 | 116,995 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 492,502 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 716,602 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 511,007 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,884 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,020 |
| History of Russia Quiz | 0 | - | 4.47 | 32,028 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,903 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,223 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,262 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,496 |
| Famous Irish People | 0 | - | 4.05 | 46,080 |
| History of Italy | 0 | - | 4.55 | 32,186 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,530 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,854 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,503 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,304 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,650 |
| British Geography A-Z | 0 | - | 4.42 | 19,634 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,155 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,157 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,736 |
| London A-Z | 0 | - | 4.10 | 40,912 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,364 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,558,631 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,775 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,838 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,353 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,763 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,271 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,774 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,276 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,794 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,284 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,892 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,171 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,789 |
| Europe Map Quiz | 0 | - | 5.00 | 4,793,707 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,575 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,248 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,516 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,472 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,568 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,620 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,795 |
| Capitals of French Regions | 0 | - | 4.45 | 16,210 |
| Regions of France | 0 | - | 4.70 | 122,421 |
| France Immigration by Country | 0 | - | 4.70 | 77,015 |
| Kings of France Quiz | 0 | - | 4.22 | 32,972 |
| Famous Germans | 0 | - | 4.50 | 55,877 |
| German Groups of Things | 0 | - | 4.47 | 38,676 |
| Capitals of German States | 0 | - | 4.74 | 29,099 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,587 |
| Germany True or False? | 0 | - | 4.61 | 49,071 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,591 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,596 |
| Ancient Greek Words | 0 | - | 4.93 | 112,678 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,547 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,277 |
