| Regions of Italy | 0 | - | 4.92 | 75,527 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,513 |
| Famous Germans | 0 | - | 4.50 | 55,149 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,621 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,875 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 77,905 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,059 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,672 |
| Famous French People | 0 | - | 4.06 | 34,678 |
| States of Germany | 0 | - | 4.96 | 151,839 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,865 |
| The Mafia Quiz | 0 | - | 4.46 | 23,295 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,814 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,603 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,980 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,533 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,627 |
| Departments of France | 0 | - | 4.93 | 53,741 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,232 |
| England or Wales? | 0 | - | 4.94 | 45,592 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,985 |
| Official European Union Languages | 0 | - | 4.97 | 238,086 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,590 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,437 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,555 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,574 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,608 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,872 |
| Italian Foods | 0 | - | 4.30 | 72,621 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,402 |
| Roman Emperors | 0 | - | 4.95 | 119,639 |
| History of The Netherlands | 0 | - | 4.46 | 17,403 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,748 |
| British Acronyms | 0 | - | 4.39 | 45,753 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,653 |
| History of Italy | 0 | - | 4.55 | 31,935 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,625 |
| Famous Scottish People | 0 | - | 4.22 | 18,387 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,354 |
| Celtic Nations | 0 | - | 4.69 | 46,907 |
| European Geography By Letter - A | 0 | - | 4.51 | 144,848 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,578 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,319 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,049 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,119 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,112 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,206 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,546 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,231 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,791 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,117 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,350 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,232 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,946 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 170,512 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,044 |
| Regions of France | 0 | - | 4.75 | 120,377 |
| France A-Z | 0 | - | 4.16 | 38,166 |
| France Immigration by Country | 0 | - | 4.70 | 76,389 |
| German Groups of Things | 0 | - | 4.46 | 38,431 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,280 |
| Germany True or False? | 0 | - | 4.61 | 48,735 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,868 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,856 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,216 |
| Counties of England | 0 | - | 4.97 | 794,604 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,057 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,579 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,095 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,141 |
| Monarchies of Europe | 0 | - | 4.90 | 97,929 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,302 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,108 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,528 |
| Famous Irish People | 0 | - | 4.05 | 45,975 |
| Word Chain - Italy | 0 | - | 4.07 | 23,147 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,086 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 436,099 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,991 |
| UK Cities Map Quiz | 0 | - | 4.96 | 463,971 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,529 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,998 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,517 |
| People on Money - England | 0 | - | 4.29 | 16,600 |
| Champions League Winners | 0 | - | 4.92 | 1,003,548 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,396 |
| Monarchies of Asia | 0 | - | 4.97 | 70,963 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,767 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,384 |
| Kings of France Quiz | 0 | - | 4.20 | 32,680 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,031 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,657 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,050 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,885 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,794 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,225 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,552 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,733 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,382 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,226 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,887 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,494 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,738 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,002 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,854 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,763 |
| European Geography A-Z | 0 | - | 4.29 | 49,187 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,247 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,415 |
| Word Chain - France | 0 | - | 4.38 | 42,734 |
| Germany Country Quiz | 0 | - | 4.82 | 157,549 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,851 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,931 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,875 |
| Italy Country Quiz | 0 | - | 4.82 | 123,165 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,084 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,798 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,240 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,647 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,348 |
| Canary Islands | 0 | - | 4.62 | 17,459 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,690 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,582 |
| British Spellings | 0 | - | 4.06 | 99,401 |
| British Groups of Things | 0 | - | 4.25 | 82,830 |
| UK Immigration by Country | 0 | - | 4.94 | 140,642 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,015 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,404 |
| British Monopoly Board | 0 | - | 4.52 | 41,137 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,194 |
| Geography of Scotland | 0 | - | 4.63 | 21,588 |
| Name the English Monarchs | 0 | - | 4.91 | 501,367 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,700 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,806 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,658 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,373 |
| Famous Australians by Description | 0 | - | 4.23 | 27,870 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,352 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,483 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,552 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,640 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,475 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,332 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,414 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,336 |
| Slavic Languages | 0 | - | 4.68 | 54,262 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,709 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,610 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,616 |
| French History Multiple Choice | 0 | - | 4.55 | 32,997 |
| History of Germany | 0 | - | 4.39 | 52,776 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 645,988 |
| Name that Greek Letter | 0 | - | 4.93 | 323,059 |
| Italian History A-Z | 0 | - | 4.21 | 17,666 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,687 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,849 |
| Roman Names for Places | 0 | - | 4.62 | 58,169 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,417 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,581 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,080 |
| Switzerland A-Z | 0 | - | 4.45 | 25,619 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,628 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,997 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,678 |
| Malta Country Quiz | 0 | - | 4.81 | 30,999 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,837 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,460 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,381 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,832 |
| Famous Canadians by Picture | 0 | - | 4.39 | 49,310 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,831 |
| Famous Russians | 0 | - | 4.16 | 23,815 |
| History of Russia Quiz | 0 | - | 4.49 | 31,878 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,691 |
| Movies Set in France | 0 | - | 4.26 | 13,111 |
| French Inventions | 0 | - | 4.08 | 13,890 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,043 |
| History of Paris | 0 | - | 4.24 | 13,637 |
| Word Chain - Germany | 0 | - | 4.31 | 22,562 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,897 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,114 |
| The Trojan War | 0 | - | 4.83 | 39,641 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,514 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 125,489 |
| Italian Inventions | 0 | - | 3.81 | 18,432 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,608 |
| Famous Nordic People | 0 | - | 4.34 | 20,062 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,158 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,325 |
| Name a Valid English City | 0 | - | 4.19 | 16,699 |
| British Geography A-Z | 0 | - | 4.42 | 19,492 |
| London A-Z | 0 | - | 4.10 | 40,743 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,254 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,630 |
| Famous Chinese People | 0 | - | 4.09 | 11,865 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,095 |
| Major non-NATO U.S. Allies | 0 | - | 4.52 | 52,067 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 117,965 |
| Europe Map Quiz | 0 | - | 5.00 | 4,754,840 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,203 |
