| Famous Germans | 0 | - | 4.44 | 40,063 |
| Famous Italians | 0 | - | 4.40 | 70,655 |
| European Countries by First 2 Letters | 0 | - | 4.96 | 509,812 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.84 | 84,051 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 65,718 |
| Save Europeans by Guessing Countries | 0 | - | 4.87 | 193,145 |
| Category Elimination - European Geography #3 | 0 | - | 4.84 | 74,031 |
| States of Germany | 0 | - | 4.94 | 138,308 |
| Germany Immigration by Country | 0 | - | 4.86 | 75,703 |
| Counties of Ireland | 0 | - | 4.90 | 176,227 |
| Regions of Italy | 0 | - | 4.91 | 68,144 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 35,075 |
| Regions of Spain Quiz | 0 | - | 4.89 | 104,795 |
| Cantons of Switzerland | 0 | - | 4.97 | 45,470 |
| Famous Dutch and Belgian People | 0 | - | 4.53 | 17,430 |
| Departments of France | 0 | - | 4.88 | 44,863 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,182 |
| England or Wales? | 0 | - | 4.94 | 43,312 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 65,220 |
| Official European Union Languages | 0 | - | 4.98 | 228,197 |
| European Countries in their Native Language | 0 | - | 4.99 | 151,277 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 409,735 |
| United Kingdom A-Z | 0 | - | 4.53 | 84,705 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,253 |
| Famous French People | 0 | - | 4.12 | 24,646 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,180 |
| Europe Geography Decoder | 0 | - | 4.85 | 67,100 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 40,712 |
| The Mafia Quiz | 0 | - | 4.46 | 22,577 |
| History of The Netherlands | 0 | - | 4.45 | 16,581 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 40,177 |
| English Monarchs in Order by First Letter | 0 | - | 4.41 | 28,644 |
| Famous Swiss and Austrian People | 0 | - | 4.42 | 14,132 |
| Famous Scottish People | 0 | - | 4.20 | 17,903 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,363 |
| Celtic Nations | 0 | - | 4.74 | 46,026 |
| European Geography By Letter - A | 0 | - | 4.61 | 128,765 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,526 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,794 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,546 |
| European Geography By Letter - L | 0 | - | 4.52 | 108,990 |
| European Geography By Letter - M | 0 | - | 4.53 | 118,080 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,358 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,801 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,228 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,583 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 96,885 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 298,838 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 144,834 |
| Regions of France | 0 | - | 4.70 | 111,344 |
| France A-Z | 0 | - | 4.18 | 37,204 |
| France Immigration by Country | 0 | - | 4.77 | 73,361 |
| German Groups of Things | 0 | - | 4.46 | 37,445 |
| Germany Multiple Choice | 0 | - | 4.83 | 52,078 |
| Germany True or False? | 0 | - | 4.63 | 46,869 |
| Largest Islands of Greece | 0 | - | 4.58 | 44,506 |
| Provinces of the Netherlands | 0 | - | 4.75 | 37,257 |
| Switzerland A-Z | 0 | - | 4.48 | 19,374 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,180 |
| Counties of England | 0 | - | 4.97 | 749,812 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 97,937 |
| The UK for Americans - True or False | 0 | - | 4.46 | 57,025 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 231,878 |
| Catholic Countries in Europe | 0 | - | 4.83 | 89,959 |
| Famous Russians Quiz | 0 | - | 4.16 | 23,171 |
| Federal Subjects of Russia | 0 | - | 4.93 | 129,910 |
| Regions of France Map Quiz | 0 | - | 4.96 | 136,245 |
| States of Germany Map Quiz | 0 | - | 4.91 | 126,905 |
| Famous Irish People | 0 | - | 4.05 | 45,162 |
| UK Cities Map Quiz | 0 | - | 4.95 | 450,756 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 89,431 |
| Counties of England Map Quiz | 0 | - | 4.97 | 297,978 |
| The British Royal Family - Modern Times | 0 | - | 4.15 | 21,147 |
| People on Money - England | 0 | - | 4.34 | 16,321 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.96 | 310,312 |
| Champions League Winners | 0 | - | 4.91 | 949,146 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 64,016 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,407 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,402 |
| Nordic Cities Map Quiz | 0 | - | 4.75 | 87,995 |
| Sweden Immigration by Country | 0 | - | 4.64 | 44,945 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,569 |
| European Geography By Letter - E | 0 | - | 4.22 | 109,230 |
| European Geography By Letter - F | 0 | - | 4.18 | 88,849 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,360 |
| European Geography By Letter - G | 0 | - | 4.26 | 98,569 |
| European Geography By Letter - I | 0 | - | 4.11 | 92,053 |
| European Geography By Letter - K | 0 | - | 4.15 | 66,910 |
| European Geography By Letter - O | 0 | - | 4.29 | 59,920 |
| European Geography by Letter - W | 0 | - | 4.21 | 80,657 |
| European Geography By Letter - T | 0 | - | 4.40 | 73,151 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 48,750 |
| European Geography A-Z | 0 | - | 4.31 | 47,542 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 217,972 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 263,361 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 155,805 |
| France Cities Map Quiz | 0 | - | 4.95 | 158,440 |
| Word Chain - France | 0 | - | 4.37 | 41,623 |
| Germany Country Quiz | 0 | - | 4.81 | 150,010 |
| Germany Cities Map Quiz | 0 | - | 4.83 | 113,201 |
| Ancient Greek Trivia | 0 | - | 4.56 | 65,330 |
| Italy Country Quiz | 0 | - | 4.81 | 116,838 |
| Regions of Italy Map Quiz | 0 | - | 4.95 | 142,288 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 145,834 |
| Italian Foods | 0 | - | 4.30 | 69,003 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 91,999 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 178,285 |
| Canary Islands | 0 | - | 4.61 | 17,033 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 101,942 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 26,244 |
| British Spellings Quiz | 0 | - | 4.07 | 97,724 |
| British Groups of Things | 0 | - | 4.25 | 81,948 |
| British Acronyms | 0 | - | 4.39 | 44,746 |
| UK Immigration by Country | 0 | - | 4.94 | 133,870 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,429 |
| United Kingdom Country Quiz | 0 | - | 4.95 | 130,163 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 109,853 |
| Geography of Scotland | 0 | - | 4.63 | 20,671 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 121,010 |
| Famous Australians | 0 | - | 4.24 | 19,694 |
| Word Scramble - European Countries | 0 | - | 4.74 | 135,685 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 103,827 |
| Name a Major European City A-Z | 0 | - | 4.32 | 46,924 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 61,387 |
| Slavic Languages | 0 | - | 4.65 | 51,808 |
| French Geography Quiz #1 | 0 | - | 4.87 | 33,131 |
| Andorra Country Quiz | 0 | - | 4.89 | 29,945 |
| History of Germany | 0 | - | 4.38 | 51,477 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 615,569 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,593 |
| Spanish Immigration by Country | 0 | - | 4.63 | 54,089 |
| Most Common First Names in Spain | 0 | - | 4.26 | 44,736 |
| Most Common Surnames in the UK | 0 | - | 4.20 | 68,073 |
| Fictional Characters from Great Britain | 0 | - | 4.13 | 31,736 |
| Wonderwall Lyrics | 0 | - | 4.24 | 71,426 |
| Africa A-Z | 0 | - | 4.57 | 45,266 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 258,147 |
| Top European Languages on a Map | 0 | - | 4.78 | 126,115 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,603 |
| Movies Set in France | 0 | - | 4.26 | 12,860 |
| French Inventions | 0 | - | 4.08 | 13,629 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 43,716 |
| History of Paris | 0 | - | 4.24 | 13,333 |
| Word Chain - Germany | 0 | - | 4.32 | 21,957 |
| Ancient Greece A-Z | 0 | - | 4.61 | 22,086 |
| The Trojan War | 0 | - | 4.81 | 37,844 |
| Geography of Ancient Greece | 0 | - | 4.77 | 31,022 |
| Name that Greek Letter | 0 | - | 4.94 | 311,371 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.83 | 102,944 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 114,777 |
| Word Chain - Italy | 0 | - | 4.07 | 22,693 |
| Italy Multiple Choice | 0 | - | 4.74 | 99,643 |
| Embarrassing Chapters in Italian History | 0 | - | 4.21 | 11,686 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 75,150 |
| Roman Emperors | 0 | - | 4.96 | 109,627 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,587 |
| Greenland Country Quiz | 0 | - | 4.82 | 34,549 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 14,771 |
| Countries Closest to Iceland | 0 | - | 4.88 | 68,598 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,195 |
| Word Chain - United Kingdom | 0 | - | 4.06 | 28,786 |
| Name a Valid English City | 0 | - | 4.19 | 16,101 |
| London A-Z | 0 | - | 4.13 | 39,781 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 268,433 |
| Famous Chinese People | 0 | - | 4.09 | 11,442 |
| Famous Mexicans and Mexican-Americans | 0 | - | 4.13 | 16,682 |
| Major non-NATO U.S. Allies | 0 | - | 4.50 | 49,258 |
| Europe Map Quiz | 0 | - | 5.00 | 4,557,617 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,465 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 70,015 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,548 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 59,751 |
| Four Letter European Geography #1 | 0 | - | 4.48 | 24,364 |
| Four Letter European Geography #2 | 0 | - | 4.58 | 17,180 |
| Capitals of French Regions | 0 | - | 4.42 | 15,502 |
| Kings of France Quiz | 0 | - | 4.15 | 31,664 |
| Capitals of German States | 0 | - | 4.73 | 28,187 |
| Chancellors of Germany, 1949–present | 0 | - | 4.57 | 22,042 |
| Country Quiz on a Map - Germany | 0 | - | 4.94 | 31,516 |
| Olympian Gods Quiz | 0 | - | 4.96 | 471,910 |
| Ancient Greek Words | 0 | - | 4.92 | 105,476 |
| British to American Food Translation. | 0 | - | 3.40 | 51,294 |
| Things British People Know that Americans Don't | 0 | - | 4.23 | 50,342 |
| Beatles Songs Quiz | 0 | - | 4.96 | 223,452 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 283,788 |
| Asian Geography By Letter - A | 0 | - | 4.64 | 69,404 |
| Asian Geography by Letter - H | 0 | - | 4.47 | 63,892 |
| Asian Geography By Letter - M | 0 | - | 4.47 | 59,983 |
| Asian Geography by Letter - P | 0 | - | 4.44 | 56,162 |
| Asian Geography by Letter - T | 0 | - | 4.50 | 55,757 |
| Asian Geography By Letter - L | 0 | - | 4.45 | 41,228 |
| Middle East A-Z | 0 | - | 4.46 | 44,617 |
| 100 Most Common English Words | 0 | - | 4.89 | 1,249,244 |
| Africa Map Quiz | 0 | - | 5.00 | 2,035,853 |
| Oceania Map Quiz | 0 | - | 4.98 | 605,748 |
| Australian Capitals | 0 | - | 4.92 | 61,881 |
| Canada A-Z | 0 | - | 4.70 | 31,775 |
| European Physical Geography | 0 | - | 4.24 | 32,794 |
| History of Russia Quiz | 0 | - | 4.48 | 31,112 |
| Geography of Russia | 0 | - | 4.56 | 20,905 |
