| Regions of Italy | 0 | - | 4.92 | 75,054 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,418 |
| Italian Foods | 0 | - | 4.31 | 72,410 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,761 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,349 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,684 |
| States of Germany | 0 | - | 4.96 | 150,867 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,282 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,043 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,006 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,638 |
| Departments of France | 0 | - | 4.93 | 53,162 |
| Italy Country Quiz | 0 | - | 4.82 | 122,577 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,734 |
| England or Wales? | 0 | - | 4.94 | 45,452 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,798 |
| Official European Union Languages | 0 | - | 4.97 | 237,488 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,216 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,216 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,796 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,609 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,708 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,806 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,679 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,078 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,225 |
| Roman Emperors | 0 | - | 4.95 | 119,042 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,647 |
| History of Italy | 0 | - | 4.55 | 31,877 |
| British to American Food Translation | 0 | - | 3.38 | 51,897 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,300 |
| Celtic Nations | 0 | - | 4.69 | 46,860 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,585 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,047 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,045 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,139 |
| Regions of France | 0 | - | 4.78 | 119,758 |
| France Immigration by Country | 0 | - | 4.72 | 76,136 |
| Famous Germans | 0 | - | 4.50 | 54,793 |
| German Groups of Things | 0 | - | 4.46 | 38,367 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,160 |
| Germany True or False? | 0 | - | 4.61 | 48,631 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,706 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,670 |
| Olympian Gods Quiz | 0 | - | 4.96 | 497,869 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,801 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,001 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,520 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,126 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,528 |
| Counties of England | 0 | - | 4.97 | 791,802 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,480 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,035 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,577 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,506 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,602 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,216 |
| Federal Subjects of Russia | 0 | - | 4.94 | 144,979 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,636 |
| French Foods | 0 | - | 4.00 | 27,630 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,073 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,063 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,783 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,013 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,264 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,512 |
| Champions League Winners | 0 | - | 4.92 | 999,801 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,692 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,267 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,796 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,381 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,604 |
| Name a Valid African Country | 0 | - | 4.98 | 153,308 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,495 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,426 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,888 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,220 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,738 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,596 |
| Word Chain - France | 0 | - | 4.38 | 42,660 |
| Germany Country Quiz | 0 | - | 4.82 | 157,035 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,475 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,849 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,825 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,636 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,384 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,110 |
| The Mafia Quiz | 0 | - | 4.46 | 23,237 |
| History of The Netherlands | 0 | - | 4.46 | 17,351 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,330 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,950 |
| Canary Islands | 0 | - | 4.61 | 17,428 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,330 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,327 |
| British Spellings | 0 | - | 4.07 | 99,336 |
| British Groups of Things | 0 | - | 4.25 | 82,751 |
| British Acronyms | 0 | - | 4.39 | 45,682 |
| UK Immigration by Country | 0 | - | 4.94 | 140,017 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,985 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,750 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,713 |
| Geography of Scotland | 0 | - | 4.63 | 21,525 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,083 |
| Name a Valid Asian Country | 0 | - | 4.98 | 120,374 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,327 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,494 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,622 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,209 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,688 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,060 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,364 |
| Random Point on Land to European Country | 0 | - | 4.93 | 76,433 |
| Slavic Languages | 0 | - | 4.68 | 54,117 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,498 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,580 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,989 |
| France A-Z | 0 | - | 4.16 | 38,103 |
| French History Multiple Choice | 0 | - | 4.55 | 32,930 |
| History of Germany | 0 | - | 4.39 | 52,699 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 643,981 |
| Name that Greek Letter | 0 | - | 4.93 | 322,321 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,509 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,601 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,788 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,603 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,757 |
| Roman Names for Places | 0 | - | 4.62 | 58,015 |
| Byzantine History | 0 | - | 4.91 | 28,678 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,585 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,318 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,290 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,760 |
| Switzerland A-Z | 0 | - | 4.45 | 25,558 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,957 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,557 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,757 |
| Malta Country Quiz | 0 | - | 4.81 | 30,907 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 19,978 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,194 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,026 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 503,607 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,409 |
| Countries that Beat Canada | 0 | - | 4.90 | 87,069 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,490 |
| History of Russia Quiz | 0 | - | 4.49 | 31,829 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,624 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,182 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,137 |
| Famous French People | 0 | - | 4.12 | 28,105 |
| Movies Set in France | 0 | - | 4.26 | 13,093 |
| French Inventions | 0 | - | 4.08 | 13,873 |
| History of Paris | 0 | - | 4.24 | 13,628 |
| Word Chain - Germany | 0 | - | 4.31 | 22,514 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,740 |
| The Trojan War | 0 | - | 4.83 | 39,534 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,031 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,912 |
| Italian Inventions | 0 | - | 3.81 | 18,422 |
| Famous Italian-Americans | 0 | - | 4.15 | 14,372 |
| Word Chain - Italy | 0 | - | 4.07 | 23,129 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,382 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,545 |
| Famous Nordic People | 0 | - | 4.34 | 19,955 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,487 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,899 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,561 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,070 |
| Geography of Spain | 0 | - | 4.59 | 22,010 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,621 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,277 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,492 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,880 |
| People on Money - England | 0 | - | 4.29 | 16,582 |
| Name a Valid English City | 0 | - | 4.19 | 16,663 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,474 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 277,994 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 55,437 |
| Countries that Beat China | 0 | - | 4.86 | 115,080 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,207 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,634 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,090 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,068 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,940 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,409 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,241 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,999 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,778 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,370 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,551 |
| Europe Map Quiz | 0 | - | 5.00 | 4,742,276 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,096 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,737 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,041 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,086 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,768 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,757 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,128 |
| Capitals of French Regions | 0 | - | 4.45 | 16,011 |
| Kings of France Quiz | 0 | - | 4.20 | 32,613 |
| Capitals of German States | 0 | - | 4.74 | 28,882 |
