| Regions of Italy | 0 | - | 4.92 | 76,619 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,692 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,625 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,602 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,789 |
| States of Germany | 0 | - | 4.95 | 153,901 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,501 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,629 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,951 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,575 |
| Departments of France | 0 | - | 4.93 | 54,817 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,985 |
| England or Wales? | 0 | - | 4.94 | 45,879 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,533 |
| Official European Union Languages | 0 | - | 4.97 | 239,373 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,402 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,059 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,916 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,000 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,206 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,554 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,409 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,994 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,449 |
| Roman Emperors | 0 | - | 4.95 | 120,803 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,988 |
| History of Italy | 0 | - | 4.55 | 32,105 |
| British to American Food Translation | 0 | - | 3.38 | 52,013 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,464 |
| Celtic Nations | 0 | - | 4.61 | 47,054 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,263 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,862 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,058 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 174,748 |
| Regions of France | 0 | - | 4.70 | 121,678 |
| France Immigration by Country | 0 | - | 4.70 | 76,815 |
| Famous Germans | 0 | - | 4.50 | 55,647 |
| German Groups of Things | 0 | - | 4.47 | 38,585 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,600 |
| Germany True or False? | 0 | - | 4.61 | 48,955 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,325 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,298 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,837 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,028 |
| Italy True or False? | 0 | - | 4.42 | 47,547 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,610 |
| Most Common First Names in Spain | 0 | - | 4.32 | 54,584 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,375 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,899 |
| Counties of England | 0 | - | 4.97 | 800,962 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,755 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,875 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,509 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,574 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 88,153 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,662 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,755 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,280 |
| French Foods | 0 | - | 4.00 | 27,750 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,492 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,144 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,399 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,819 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,347 |
| Counties of England Map Quiz | 0 | - | 4.97 | 308,616 |
| Champions League Winners | 0 | - | 4.92 | 1,012,656 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,846 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,679 |
| Italy Country Quiz | 0 | - | 4.77 | 123,852 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,301 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,250 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,801 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,998 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,067 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,324 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 263,485 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 115,533 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,867 |
| Famous French People | 0 | - | 4.07 | 35,979 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,487 |
| Word Chain - France | 0 | - | 4.38 | 42,895 |
| Germany Country Quiz | 0 | - | 4.83 | 158,537 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,867 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,164 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,997 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,909 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,279 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,848 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,551 |
| The Mafia Quiz | 0 | - | 4.46 | 23,404 |
| History of The Netherlands | 0 | - | 4.46 | 17,523 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,298 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,553 |
| Canary Islands | 0 | - | 4.62 | 17,508 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,542 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,942 |
| British Spellings | 0 | - | 4.06 | 99,547 |
| British Groups of Things | 0 | - | 4.25 | 82,966 |
| British Acronyms | 0 | - | 4.40 | 45,898 |
| UK Immigration by Country | 0 | - | 4.94 | 141,424 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,082 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,596 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,401 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,051 |
| Geography of Scotland | 0 | - | 4.63 | 21,704 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,547 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,502 |
| Name a Valid African Country | 0 | - | 4.98 | 154,716 |
| Countries that Beat Australia | 0 | - | 4.92 | 93,254 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,697 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,698 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,131 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,210 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,762 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 90,744 |
| Random Point on Land to European Country | 0 | - | 4.94 | 77,769 |
| Slavic Languages | 0 | - | 4.68 | 54,590 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,656 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,111 |
| France A-Z | 0 | - | 4.16 | 38,305 |
| French History Multiple Choice | 0 | - | 4.55 | 33,170 |
| History of Germany | 0 | - | 4.39 | 52,937 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,455 |
| Name that Greek Letter | 0 | - | 4.93 | 324,601 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,701 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,146 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,008 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,980 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,143 |
| Roman Names for Places | 0 | - | 4.62 | 58,596 |
| Byzantine History | 0 | - | 4.91 | 28,983 |
| Byzantine Emperors | 0 | - | 4.92 | 14,479 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.86 | 61,481 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,584 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,235 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,691 |
| Switzerland A-Z | 0 | - | 4.45 | 25,736 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,069 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,997 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,003 |
| Malta Country Quiz | 0 | - | 4.81 | 31,190 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,343 |
| Countries that Beat the United States | 0 | - | 4.93 | 168,285 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 508,959 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,949 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,782 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,599 |
| History of Russia Quiz | 0 | - | 4.47 | 31,980 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,827 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,353 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,311 |
| Movies Set in France | 0 | - | 4.26 | 13,139 |
| French Inventions | 0 | - | 4.10 | 13,918 |
| History of Paris | 0 | - | 4.24 | 13,667 |
| Word Chain - Germany | 0 | - | 4.31 | 22,656 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,051 |
| The Trojan War | 0 | - | 4.83 | 39,920 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,629 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,054 |
| Italian Inventions | 0 | - | 3.81 | 18,466 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,545 |
| Word Chain - Italy | 0 | - | 4.07 | 23,204 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,169 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,773 |
| Famous Nordic People | 0 | - | 4.34 | 20,234 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,128 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,705 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,627 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,371 |
| Geography of Spain | 0 | - | 4.59 | 22,146 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,214 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,379 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,562 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,425 |
| People on Money - England | 0 | - | 4.29 | 16,634 |
| Name a Valid English City | 0 | - | 4.19 | 16,783 |
| UK General Knowledge Multiple Choice #3 | 0 | - | 4.53 | 18,139 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,238 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,310 |
| Countries that Beat China | 0 | - | 4.85 | 116,466 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,997 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 192,086 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,580 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 120,942 |
| European Geography By Letter - C | 0 | - | 4.43 | 122,196 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,952 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,618 |
| European Geography By Letter - M | 0 | - | 4.69 | 131,957 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,794 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,323 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,542 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,227 |
| Europe Map Quiz | 0 | - | 5.00 | 4,779,452 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,441 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,092 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,394 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,361 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,160 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,402 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,629 |
