| Countries Surrounding Rome | 0 | - | 4.97 | 49,357 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,508 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,861 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,034 |
| Roman Emperors | 0 | - | 4.95 | 118,431 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,271 |
| Regions of Italy | 0 | - | 4.92 | 74,678 |
| Italian Foods | 0 | - | 4.31 | 72,161 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,366 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,930 |
| Departments of France | 0 | - | 4.93 | 52,781 |
| Italy Country Quiz | 0 | - | 4.82 | 122,166 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,333 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,439 |
| England or Wales? | 0 | - | 4.94 | 45,306 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,570 |
| Official European Union Languages | 0 | - | 4.97 | 236,482 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,681 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,110 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,433 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,279 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,579 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,345 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,443 |
| The Trojan War | 0 | - | 4.83 | 39,422 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,503 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,937 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,658 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,451 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,527 |
| History of Italy | 0 | - | 4.55 | 31,811 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,528 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,658 |
| Roman Names for Places | 0 | - | 4.62 | 57,863 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,558 |
| British to American Food Translation | 0 | - | 3.38 | 51,812 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,516 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,835 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,771 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,825 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,040 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,869 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,470 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,439 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,754 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,237 |
| Celtic Nations | 0 | - | 4.69 | 46,808 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,093 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,610 |
| Geography of Spain | 0 | - | 4.59 | 21,960 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,081 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,794 |
| Champions League Winners | 0 | - | 4.92 | 996,079 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,316 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,195 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,212 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,753 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,929 |
| Countries Bordering France | 0 | - | 4.83 | 398,733 |
| States of Germany | 0 | - | 4.96 | 149,990 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,997 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,974 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,513 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,116 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,788 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,686 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,292 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,135 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,208 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,402 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,332 |
| Name a Valid African Country | 0 | - | 4.98 | 152,912 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,497 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,462 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,131 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,456 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,154 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,121 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,669 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,210 |
| Austria... or Australia? | 0 | - | 4.68 | 103,853 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,157 |
| Germany Country Quiz | 0 | - | 4.82 | 156,497 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,125 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,765 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,765 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,890 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,049 |
| Byzantine History | 0 | - | 4.91 | 28,612 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,936 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,616 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,767 |
| UK Immigration by Country | 0 | - | 4.94 | 139,587 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,104 |
| British Monopoly Board | 0 | - | 4.52 | 41,027 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,225 |
| Name the English Monarchs | 0 | - | 4.92 | 497,780 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,445 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,030 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,083 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,530 |
| Countries that Beat Canada | 0 | - | 4.90 | 86,839 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,443 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,598 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,973 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,989 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,778 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,943 |
| Slavic Languages | 0 | - | 4.67 | 53,966 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,871 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,383 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,551 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,758 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,521 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,961 |
| France A-Z | 0 | - | 4.16 | 38,054 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,512 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,789 |
| Countries that Beat France | 0 | - | 4.49 | 75,157 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,255 |
| Countries that Beat Greece | 0 | - | 4.52 | 48,577 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,744 |
| Name that Greek Letter | 0 | - | 4.94 | 321,611 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,875 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,426 |
| Counties of Ireland | 0 | - | 4.92 | 192,996 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,427 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,301 |
| Italian History A-Z | 0 | - | 4.21 | 17,380 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,137 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,344 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,242 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,254 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,119 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,472 |
| Switzerland A-Z | 0 | - | 4.45 | 25,502 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,910 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,225 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,279 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,564 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,434 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,679 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,203 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,702 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,748 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,879 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,171 |
| Countries that Beat China | 0 | - | 4.86 | 114,679 |
| Countries that Produce the Most Wine | 0 | - | 4.86 | 190,910 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,682 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,628 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,102 |
| History of Russia Quiz | 0 | - | 4.49 | 31,788 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,561 |
| French Foods | 0 | - | 4.00 | 27,585 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,669 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,981 |
| Famous Ancient Romans | 0 | - | 4.69 | 85,012 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,235 |
| Famous Irish People | 0 | - | 4.05 | 45,854 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,150 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,038 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,477 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,285 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,334 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,978 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,084 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,579 |
| London A-Z | 0 | - | 4.10 | 40,633 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,485 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,921 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,476 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,454 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,371 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,876 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,811 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,684 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,199 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,858 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,654 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,614 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,010 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,287 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,354 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,983 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,607 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,935 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,975 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,580 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,137 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,604 |
| Capitals of French Regions | 0 | - | 4.45 | 15,983 |
| Regions of France | 0 | - | 4.78 | 119,192 |
| France Immigration by Country | 0 | - | 4.72 | 75,950 |
| Kings of France Quiz | 0 | - | 4.20 | 32,549 |
| Famous Germans | 0 | - | 4.50 | 54,602 |
| German Groups of Things | 0 | - | 4.46 | 38,302 |
| Capitals of German States | 0 | - | 4.74 | 28,810 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,090 |
| Germany True or False? | 0 | - | 4.61 | 48,525 |
