| European Countries by First 2 Letters | 0 | - | 4.96 | 489,040 |
| Germany Multiple Choice | 0 | - | 4.81 | 49,803 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 32,331 |
| Regions of Spain Quiz | 0 | - | 4.87 | 96,357 |
| Cantons of Switzerland | 0 | - | 4.97 | 40,924 |
| France Immigration by Country | 0 | - | 4.81 | 69,645 |
| States of Germany | 0 | - | 4.93 | 125,699 |
| Germany Immigration by Country | 0 | - | 4.90 | 70,635 |
| States of the German Confederation in 1848 | 0 | - | 4.84 | 26,861 |
| Counties of Ireland | 0 | - | 4.90 | 161,710 |
| Regions of Italy | 0 | - | 4.89 | 61,341 |
| Count to 10 in Europe: Pro | 0 | - | 4.81 | 61,486 |
| Official European Union Languages | 0 | - | 4.98 | 202,712 |
| European Countries in their Native Language | 0 | - | 4.99 | 145,407 |
| The Vikings! | 0 | - | 4.45 | 27,223 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 390,018 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 38,085 |
| Europe Geography Decoder | 0 | - | 4.88 | 63,907 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.83 | 39,221 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,587 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 75,037 |
| Italy Multiple Choice | 0 | - | 4.74 | 94,838 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 21,065 |
| Counties of England | 0 | - | 4.97 | 698,562 |
| Celtic Nations | 0 | - | 4.76 | 44,935 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.90 | 80,333 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 287,540 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 118,035 |
| Provinces of the Netherlands | 0 | - | 4.65 | 33,753 |
| 100 Greatest Britons Quiz | 0 | - | 4.43 | 46,161 |
| British Acronyms | 0 | - | 4.41 | 43,564 |
| Foods in a Full English Breakfast | 0 | - | 4.42 | 74,203 |
| Regions of France | 0 | - | 4.63 | 101,852 |
| German Groups of Things | 0 | - | 4.43 | 36,195 |
| Germany True or False? | 0 | - | 4.60 | 44,840 |
| Largest Islands of Greece | 0 | - | 4.58 | 40,543 |
| Sweden Immigration by Country | 0 | - | 4.66 | 42,745 |
| The Portuguese Empire | 0 | - | 4.54 | 11,379 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,517 |
| Countries and Territories of the United Kingdom | 0 | - | 4.88 | 84,512 |
| Counties of England Map Quiz | 0 | - | 4.97 | 288,734 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 277,534 |
| Champions League Winners | 0 | - | 4.91 | 876,254 |
| Catholic Countries in Europe | 0 | - | 4.87 | 84,699 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.72 | 54,217 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 66,987 |
| Federal Subjects of Russia | 0 | - | 4.95 | 114,846 |
| History of Austria | 0 | - | 4.69 | 16,498 |
| Regions of France Map Quiz | 0 | - | 4.96 | 128,522 |
| Geography of the French Empire | 0 | - | 4.49 | 25,536 |
| The French Revolution | 0 | - | 4.45 | 22,070 |
| France Multiple Choice | 0 | - | 4.40 | 38,872 |
| History of France Quiz | 0 | - | 4.55 | 39,899 |
| States of Germany Map Quiz | 0 | - | 4.92 | 121,463 |
| History of Ireland Quiz | 0 | - | 4.44 | 19,071 |
| History of Italy | 0 | - | 4.49 | 29,938 |
| England or Wales? | 0 | - | 4.93 | 40,668 |
| All Champions League Teams Ever | 0 | - | 4.90 | 106,753 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 203,347 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 249,103 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 144,901 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,837 |
| History of The Netherlands | 0 | - | 4.43 | 15,871 |
| Famous Nordic People | 0 | - | 4.41 | 10,701 |
| Spanish Immigration by Country | 0 | - | 4.63 | 52,290 |
| Canary Islands | 0 | - | 4.61 | 16,606 |
| Switzerland Immigration by Country | 0 | - | 4.76 | 22,222 |
| British Spellings Quiz | 0 | - | 4.04 | 94,928 |
| British Groups of Things | 0 | - | 4.26 | 80,586 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,831 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,693 |
| Word Scramble - European Countries | 0 | - | 4.71 | 114,705 |
| Top 20 Football Clubs in Europe | 0 | - | 4.50 | 88,592 |
| Slavic Languages | 0 | - | 4.63 | 49,152 |
| Word Chain - France | 0 | - | 4.38 | 40,255 |
| Famous Germans | 0 | - | 4.39 | 35,299 |
| Famous Italians | 0 | - | 4.40 | 66,947 |
| Italian Foods | 0 | - | 4.25 | 64,990 |
| The Mafia Quiz | 0 | - | 4.47 | 21,726 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.81 | 10,148 |
| History of Spain Quiz | 0 | - | 4.33 | 19,668 |
| Languages of Spain | 0 | - | 4.35 | 21,515 |
| British Words Quiz #1 | 0 | - | 3.77 | 236,559 |
| British Words Quiz #2 | 0 | - | 4.00 | 107,177 |
| British Foods | 0 | - | 3.85 | 47,131 |
| British and American Word Differences | 0 | - | 2.66 | 44,474 |
| British Geography Quiz #2 | 0 | - | 4.28 | 26,435 |
| Bridges of London | 0 | - | 4.14 | 9,414 |
| British Sport Trivia | 0 | - | 4.29 | 19,345 |
| Famous Welsh People | 0 | - | 4.15 | 9,306 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 57,020 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 22,122 |
| Geography of Germany | 0 | - | 4.37 | 15,716 |
| History of Germany Quiz | 0 | - | 4.35 | 40,366 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 589,079 |
| Iceland... or Ireland? | 0 | - | 4.72 | 54,302 |
| Greenland... or Iceland? | 0 | - | 4.49 | 41,987 |
| Famous Spaniards Quiz | 0 | - | 4.22 | 10,952 |
| Invasions of Great Britain | 0 | - | 4.49 | 55,903 |
| Word Chain - United Kingdom | 0 | - | 4.04 | 28,112 |
| The British Royal Family - Modern Times | 0 | - | 4.12 | 20,702 |
| People on Money - England | 0 | - | 4.34 | 15,992 |
| Name a Valid English City | 0 | - | 4.16 | 15,426 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 257,401 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 247,223 |
| Top European Languages on a Map | 0 | - | 4.76 | 119,323 |
| Russia Multiple Choice | 0 | - | 4.55 | 38,353 |
| French Geography Quiz #1 | 0 | - | 4.86 | 31,320 |
| Famous French People | 0 | - | 4.15 | 24,189 |
| Movies Set in France | 0 | - | 4.23 | 12,546 |
| French Inventions | 0 | - | 4.08 | 13,369 |
| History of Paris | 0 | - | 4.20 | 12,759 |
| Word Chain - Germany | 0 | - | 4.30 | 21,241 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.81 | 86,517 |
| Word Chain - Italy | 0 | - | 4.08 | 22,105 |
| Embarrassing Chapters in Italian History | 0 | - | 4.20 | 11,230 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 72,112 |
| Roman Emperors | 0 | - | 4.95 | 96,891 |
| Beatles Songs Quiz | 0 | - | 4.95 | 210,528 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 275,502 |
| Australian Capitals | 0 | - | 4.92 | 61,018 |
| European Geography By Letter - A | 0 | - | 4.55 | 125,167 |
| European Geography By Letter - B #1 | 0 | - | 4.75 | 104,170 |
| European Geography By Letter - C | 0 | - | 4.43 | 105,537 |
| European Geography By Letter - D | 0 | - | 4.51 | 100,125 |
| European Geography By Letter - L | 0 | - | 4.51 | 105,690 |
| European Geography By Letter - M | 0 | - | 4.55 | 115,071 |
| European Geography By Letter - P | 0 | - | 4.79 | 90,214 |
| European Geography By Letter - N | 0 | - | 4.42 | 94,039 |
| European Geography By Letter - V | 0 | - | 4.45 | 86,889 |
| Europe Map Quiz | 0 | - | 5.00 | 4,328,839 |
| Europe Geography Quiz #1 | 0 | - | 4.53 | 67,425 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,905 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 66,582 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 58,175 |
| European Geography By Letter - S #1 | 0 | - | 4.58 | 94,355 |
| European Geography By Letter - B #2 | 0 | - | 4.74 | 62,679 |
| Four Letter European Geography #1 | 0 | - | 4.46 | 4,328 |
| Capitals of German States | 0 | - | 4.70 | 27,349 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 20,302 |
| Olympian Gods Quiz | 0 | - | 4.96 | 459,643 |
| Name that Greek Letter | 0 | - | 4.94 | 297,422 |
| Ancient Greek Words | 0 | - | 4.90 | 98,544 |
| Capitals of Italian Regions | 0 | - | 4.53 | 26,292 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 402,496 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 49,254 |
| United Kingdom A-Z | 0 | - | 4.53 | 81,377 |
| Wives of King Henry VIII | 0 | - | 4.55 | 50,381 |
| Countries the UK Declared War On | 0 | - | 4.58 | 113,257 |
| Geography of the British Empire | 0 | - | 4.51 | 37,280 |
| Champions League Top 4 | 0 | - | 4.76 | 108,593 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,351,800 |
| Asia Map Quiz | 0 | - | 4.99 | 794,629 |
| Africa Map Quiz | 0 | - | 5.00 | 1,952,564 |
| Oceania Map Quiz | 0 | - | 4.98 | 572,968 |
| European Physical Geography | 0 | - | 4.20 | 32,042 |
| History of Russia Quiz | 0 | - | 4.48 | 30,018 |
| Geography of Russia | 0 | - | 4.54 | 20,285 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,903 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,915 |
| British Monopoly Board | 0 | - | 4.51 | 39,373 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 81,061 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,288,759 |
| Countries of Africa | 0 | - | 5.00 | 2,196,718 |
| African East Coast | 0 | - | 4.97 | 85,133 |
| Western Africa Map Quiz | 0 | - | 4.97 | 61,692 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 41,072 |
| Australia Map Quiz | 0 | - | 4.95 | 321,644 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,530 |
| United States Map Quiz | 0 | - | 4.98 | 3,922,064 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,457 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,063 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,903 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 338,229 |
| European Geography By Letter - E | 0 | - | 4.21 | 106,024 |
| European Geography By Letter - F | 0 | - | 4.16 | 85,747 |
| European Geography By Letter - H | 0 | - | 4.31 | 89,377 |
| European Geography By Letter - G | 0 | - | 4.25 | 95,589 |
| European Geography By Letter - I | 0 | - | 4.10 | 89,218 |
| European Geography By Letter - K | 0 | - | 4.17 | 64,901 |
| European Geography By Letter - O | 0 | - | 4.28 | 58,114 |
| European Geography By Letter - R | 0 | - | 4.40 | 87,961 |
| European Geography by Letter - W | 0 | - | 4.22 | 78,574 |
| European Geography By Letter - T | 0 | - | 4.40 | 71,243 |
| Europe Geography Quiz #3 | 0 | - | 4.32 | 60,275 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 47,083 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,255 |
| European Geography A-Z | 0 | - | 4.36 | 45,721 |
| Country Codes of Europe | 0 | - | 3.36 | 12,818 |
| The Only European Country ... | 0 | - | 4.93 | 181,324 |
| Austria... or Australia? | 0 | - | 4.79 | 98,622 |
| Capitals of French Regions | 0 | - | 4.40 | 14,857 |
| Presidents of France | 0 | - | 4.23 | 20,440 |
| French Foods | 0 | - | 3.94 | 26,509 |
| Ancient Greek Trivia | 0 | - | 4.55 | 63,670 |
| Figures from Greek Mythology | 0 | - | 4.92 | 170,313 |
| Most Popular Types of Pasta | 0 | - | 3.91 | 29,830 |
| Italian Inventions | 0 | - | 3.87 | 17,976 |
| Countries Italy Declared War On | 0 | - | 4.78 | 40,239 |
| Geography of the Roman Empire | 0 | - | 4.57 | 48,766 |
