| French Geography Quiz #1 | 0 | - | 4.89 | 34,845 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,461 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,335 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,455 |
| Departments of France | 0 | - | 4.93 | 54,413 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,609 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,753 |
| England or Wales? | 0 | - | 4.94 | 45,784 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,304 |
| Official European Union Languages | 0 | - | 4.97 | 238,876 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,101 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,928 |
| Geography of Spain | 0 | - | 4.59 | 22,101 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,338 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,347 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,699 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,173 |
| The Trojan War | 0 | - | 4.83 | 39,791 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,194 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,629 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,640 |
| Roman Emperors | 0 | - | 4.95 | 120,345 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,493 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,511 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,050 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,092 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,292 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,900 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,483 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,518 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,146 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,794 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,451 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,173 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 357,948 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,421 |
| Celtic Nations | 0 | - | 4.69 | 46,987 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,258 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,873 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,071 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,416 |
| Champions League Winners | 0 | - | 4.91 | 1,009,509 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,585 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,357 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 85,133 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,253 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,929 |
| Countries Bordering France | 0 | - | 4.83 | 403,453 |
| States of Germany | 0 | - | 4.95 | 153,096 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,254 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,568 |
| Regions of Italy | 0 | - | 4.92 | 76,202 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,399 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,204 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,382 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,144 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,741 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,512 |
| Political Figures by Last Name #1 | 0 | - | 4.56 | 68,173 |
| Name a Valid African Country | 0 | - | 4.98 | 154,321 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,565 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,834 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,312 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,564 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,893 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,997 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,757 |
| Austria... or Australia? | 0 | - | 4.68 | 104,488 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,093 |
| Germany Country Quiz | 0 | - | 4.83 | 158,141 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,586 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,066 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,945 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,625 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,281 |
| Italian Foods | 0 | - | 4.30 | 72,917 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,403 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,063 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,093 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,156 |
| Canary Islands | 0 | - | 4.62 | 17,490 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,233 |
| British to American Food Translation | 0 | - | 3.38 | 51,980 |
| UK Immigration by Country | 0 | - | 4.94 | 141,131 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,125 |
| British Monopoly Board | 0 | - | 4.52 | 41,191 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,944 |
| Name the English Monarchs | 0 | - | 4.91 | 503,781 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,940 |
| Asian Last Names in the United States | 0 | - | 4.43 | 46,826 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,199 |
| NBA Players by Last Name | 0 | - | 4.30 | 84,967 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,992 |
| Countries that Beat the United States | 0 | - | 4.93 | 167,784 |
| Countries that Beat Canada | 0 | - | 4.91 | 98,446 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,636 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,672 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,853 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,533 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,603 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 90,333 |
| Slavic Languages | 0 | - | 4.68 | 54,459 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,036 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,641 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,641 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,049 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,084 |
| France A-Z | 0 | - | 4.16 | 38,261 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,955 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,269 |
| Countries that Beat France | 0 | - | 4.49 | 76,006 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,273 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,052 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,683 |
| Name that Greek Letter | 0 | - | 4.93 | 324,119 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,862 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,702 |
| Counties of Ireland | 0 | - | 4.92 | 195,941 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,655 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,009 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,306 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,785 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,986 |
| Roman Names for Places | 0 | - | 4.62 | 58,389 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,396 |
| History of Spain | 0 | - | 4.23 | 21,113 |
| Languages of Spain | 0 | - | 4.36 | 23,348 |
| Spanish History A-Z | 0 | - | 4.37 | 19,322 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,317 |
| Switzerland A-Z | 0 | - | 4.45 | 25,683 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,039 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,342 |
| Countries that Beat the United Kingdom | 0 | - | 4.53 | 63,738 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,211 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,855 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,953 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,652 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,781 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 96,979 |
| Topological Map of Asia Quiz | 0 | - | 4.81 | 20,213 |
| Countries that Beat Indonesia | 0 | - | 4.86 | 56,088 |
| Countries that Beat China | 0 | - | 4.85 | 116,087 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 490,296 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 713,701 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,733 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 209,404 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,313 |
| History of Russia Quiz | 0 | - | 4.47 | 31,945 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,771 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,018 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,169 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,749 |
| Famous Irish People | 0 | - | 4.05 | 46,021 |
| History of Italy | 0 | - | 4.55 | 32,047 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,933 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,716 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,430 |
| Countries that Beat Iceland | 0 | - | 4.81 | 42,975 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,622 |
| British Geography A-Z | 0 | - | 4.42 | 19,553 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,792 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,732 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,688 |
| London A-Z | 0 | - | 4.10 | 40,811 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,557 |
| Last Names in U.S. History #1 | 0 | - | 4.25 | 36,273 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,544,007 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,258 |
| Category Elimination - U.S. States #2 | 0 | - | 4.83 | 134,570 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,818 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,224 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,590 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,159 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,890 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,175 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,838 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,119 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,935 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,222 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,744 |
| Europe Map Quiz | 0 | - | 5.00 | 4,769,839 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,344 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,004 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,290 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,287 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,822 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,539 |
| Capitals of French Regions | 0 | - | 4.45 | 16,102 |
| Regions of France | 0 | - | 4.72 | 121,170 |
| France Immigration by Country | 0 | - | 4.70 | 76,661 |
| Kings of France Quiz | 0 | - | 4.20 | 32,809 |
| Famous Germans | 0 | - | 4.50 | 55,510 |
| German Groups of Things | 0 | - | 4.46 | 38,518 |
| Capitals of German States | 0 | - | 4.74 | 28,984 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,391 |
| Germany True or False? | 0 | - | 4.61 | 48,878 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,132 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,518 |
| Ancient Greek Words | 0 | - | 4.93 | 111,875 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,745 |
