| Countries Surrounding Rome | 0 | - | 4.97 | 49,727 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,064 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,133 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,561 |
| Roman Emperors | 0 | - | 4.95 | 121,102 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,292 |
| Regions of Italy | 0 | - | 4.92 | 76,968 |
| Italian Foods | 0 | - | 4.30 | 73,228 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,459 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,766 |
| Departments of France | 0 | - | 4.93 | 55,065 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,155 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,584 |
| England or Wales? | 0 | - | 4.94 | 45,944 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,678 |
| Official European Union Languages | 0 | - | 4.97 | 239,684 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,580 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,662 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,225 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,304 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,668 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,258 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,525 |
| The Trojan War | 0 | - | 4.83 | 39,966 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,870 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,618 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,835 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,316 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,286 |
| History of Italy | 0 | - | 4.55 | 32,138 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,254 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,195 |
| Roman Names for Places | 0 | - | 4.62 | 58,677 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,040 |
| British to American Food Translation | 0 | - | 3.38 | 52,030 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,094 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,981 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,559 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,510 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,673 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,413 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,544 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,206 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,956 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,232 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,495 |
| Celtic Nations | 0 | - | 4.61 | 47,085 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,331 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,487 |
| Geography of Spain | 0 | - | 4.59 | 22,174 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,311 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,474 |
| Champions League Winners | 0 | - | 4.92 | 1,015,348 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,667 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,719 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,483 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,915 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,341 |
| Countries Bordering France | 0 | - | 4.83 | 404,738 |
| States of Germany | 0 | - | 4.95 | 154,335 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,652 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,679 |
| Italy Country Quiz | 0 | - | 4.77 | 123,986 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,256 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,763 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,363 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,238 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,708 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,340 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,045 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,287 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 89,428 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,735 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,643 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,788 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,773 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 264,377 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,807 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,915 |
| Austria... or Australia? | 0 | - | 4.68 | 104,745 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,724 |
| Germany Country Quiz | 0 | - | 4.82 | 158,769 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,028 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,214 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,034 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,952 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,708 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,984 |
| Byzantine History | 0 | - | 4.91 | 29,013 |
| Byzantine Emperors | 0 | - | 4.93 | 14,574 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,419 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,795 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,768 |
| UK Immigration by Country | 0 | - | 4.94 | 141,637 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,899 |
| British Monopoly Board | 0 | - | 4.52 | 41,256 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,668 |
| Name the English Monarchs | 0 | - | 4.91 | 506,103 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,980 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,731 |
| Name a Valid African Country | 0 | - | 4.98 | 154,968 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,406 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,580 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,948 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,738 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,718 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,277 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 120,795 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,899 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,000 |
| Slavic Languages | 0 | - | 4.68 | 54,672 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,544 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,667 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,913 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,616 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,139 |
| France A-Z | 0 | - | 4.16 | 38,327 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,131 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,447 |
| Countries that Beat France | 0 | - | 4.48 | 76,330 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,481 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,472 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,551 |
| Name that Greek Letter | 0 | - | 4.93 | 324,885 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,257 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,827 |
| Counties of Ireland | 0 | - | 4.92 | 197,193 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,727 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,572 |
| Italian History A-Z | 0 | - | 4.16 | 17,915 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,600 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,616 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,613 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,034 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,342 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,833 |
| Switzerland A-Z | 0 | - | 4.45 | 25,756 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,085 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,791 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,929 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,270 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,066 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,048 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,217 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,030 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,265 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,421 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,443 |
| Countries that Beat China | 0 | - | 4.85 | 116,689 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,256 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 509,877 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 210,442 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,783 |
| History of Russia Quiz | 0 | - | 4.47 | 31,999 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,864 |
| French Foods | 0 | - | 4.00 | 27,768 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,124 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,232 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,762 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,426 |
| Famous Irish People | 0 | - | 4.05 | 46,062 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,311 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,160 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,712 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,810 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,475 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,203 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,413 |
| British Geography A-Z | 0 | - | 4.42 | 19,603 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,019 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,721 |
| London A-Z | 0 | - | 4.10 | 40,873 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,554,625 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,353 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,507 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,928 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,206 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,514 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,752 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,819 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,223 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,929 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,438 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,660 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,381 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,825 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,503 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,160 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,441 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,410 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,269 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,515 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,712 |
| Capitals of French Regions | 0 | - | 4.45 | 16,173 |
| Regions of France | 0 | - | 4.70 | 121,986 |
| France Immigration by Country | 0 | - | 4.70 | 76,902 |
| Kings of France Quiz | 0 | - | 4.20 | 32,908 |
| Famous Germans | 0 | - | 4.50 | 55,766 |
| German Groups of Things | 0 | - | 4.47 | 38,623 |
