| Countries Surrounding Rome | 0 | - | 4.97 | 49,364 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,512 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,868 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,041 |
| Roman Emperors | 0 | - | 4.95 | 118,467 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,313 |
| Regions of Italy | 0 | - | 4.92 | 74,696 |
| Italian Foods | 0 | - | 4.31 | 72,177 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,437 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,945 |
| Departments of France | 0 | - | 4.93 | 52,798 |
| Italy Country Quiz | 0 | - | 4.82 | 122,189 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,361 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,498 |
| England or Wales? | 0 | - | 4.94 | 45,309 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,576 |
| Official European Union Languages | 0 | - | 4.97 | 236,510 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,696 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,173 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,444 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,309 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,588 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,366 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,456 |
| The Trojan War | 0 | - | 4.83 | 39,425 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,522 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,943 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,668 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,458 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,534 |
| History of Italy | 0 | - | 4.55 | 31,813 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,531 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,663 |
| Roman Names for Places | 0 | - | 4.62 | 57,871 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,563 |
| British to American Food Translation | 0 | - | 3.38 | 51,813 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,673 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,842 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,807 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,858 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,046 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,049 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,473 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,442 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,861 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,238 |
| Celtic Nations | 0 | - | 4.69 | 46,810 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,093 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,614 |
| Geography of Spain | 0 | - | 4.59 | 21,961 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,110 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,797 |
| Champions League Winners | 0 | - | 4.92 | 996,237 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,323 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,209 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,230 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,773 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,954 |
| Countries Bordering France | 0 | - | 4.83 | 398,949 |
| States of Germany | 0 | - | 4.96 | 150,024 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,003 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,021 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,517 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,802 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,692 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,318 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,140 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,212 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,405 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,353 |
| Name a Valid African Country | 0 | - | 4.98 | 152,927 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,513 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,471 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,140 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,503 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,190 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,149 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,746 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,235 |
| Austria... or Australia? | 0 | - | 4.68 | 103,862 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,179 |
| Germany Country Quiz | 0 | - | 4.82 | 156,529 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,137 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,770 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,767 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,923 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,071 |
| Byzantine History | 0 | - | 4.91 | 28,619 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,949 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,628 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,829 |
| UK Immigration by Country | 0 | - | 4.94 | 139,617 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,124 |
| British Monopoly Board | 0 | - | 4.52 | 41,033 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,257 |
| Name the English Monarchs | 0 | - | 4.92 | 497,841 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,481 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,044 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,092 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,558 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,844 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,448 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,598 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,981 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,028 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,787 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,962 |
| Slavic Languages | 0 | - | 4.67 | 53,975 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,881 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,386 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,553 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,772 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,593 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,962 |
| France A-Z | 0 | - | 4.16 | 38,056 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,523 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,798 |
| Countries that Beat France | 0 | - | 4.49 | 75,163 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,294 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,582 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,824 |
| Name that Greek Letter | 0 | - | 4.94 | 321,638 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,891 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,428 |
| Counties of Ireland | 0 | - | 4.92 | 193,045 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,428 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,303 |
| Italian History A-Z | 0 | - | 4.21 | 17,381 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,140 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,364 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,244 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,294 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,132 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,487 |
| Switzerland A-Z | 0 | - | 4.45 | 25,508 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,913 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,245 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,287 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,591 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,441 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,684 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,252 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,713 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,759 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,884 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,177 |
| Countries that Beat China | 0 | - | 4.86 | 114,700 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 190,921 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,781 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,675 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,121 |
| History of Russia Quiz | 0 | - | 4.49 | 31,789 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,563 |
| French Foods | 0 | - | 4.00 | 27,588 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,675 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,983 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,016 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,277 |
| Famous Irish People | 0 | - | 4.05 | 45,854 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,157 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,041 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,479 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,286 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,341 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,979 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,100 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,580 |
| London A-Z | 0 | - | 4.10 | 40,636 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,513 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,518,334 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,519 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,489 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,389 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,889 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,827 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,695 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,208 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,871 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,663 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,619 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,015 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,296 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,934 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,987 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,611 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,941 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,980 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,587 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,146 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,607 |
| Capitals of French Regions | 0 | - | 4.45 | 15,984 |
| Regions of France | 0 | - | 4.78 | 119,224 |
| France Immigration by Country | 0 | - | 4.72 | 75,962 |
| Kings of France Quiz | 0 | - | 4.20 | 32,551 |
| Famous Germans | 0 | - | 4.50 | 54,610 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Capitals of German States | 0 | - | 4.74 | 28,811 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,091 |
| Germany True or False? | 0 | - | 4.61 | 48,531 |
