| European Countries by First 2 Letters | 0 | - | 4.95 | 532,545 |
| Regions of New Zealand | 0 | - | 4.84 | 28,746 |
| Austria... or Australia? | 0 | - | 4.67 | 104,772 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,809 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,786 |
| Departments of France | 0 | - | 4.93 | 55,171 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,746 |
| England or Wales? | 0 | - | 4.94 | 45,971 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,474 |
| Australian Capitals | 0 | - | 4.92 | 62,834 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,734 |
| Official European Union Languages | 0 | - | 4.97 | 239,819 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,661 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,918 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,089 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 61,677 |
| The Trojan War | 0 | - | 4.83 | 39,993 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,968 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,594 |
| Roman Emperors | 0 | - | 4.95 | 121,216 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,470 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,323 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,843 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,825 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,059 |
| Australian States and Territories | 0 | - | 4.96 | 142,880 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,505 |
| Australia True or False | 0 | - | 4.87 | 57,153 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,029 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,774 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,853 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,144 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,696 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,451 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,775 |
| New Zealand Country Quiz | 0 | - | 4.70 | 76,313 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 48,278 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,507 |
| Celtic Nations | 0 | - | 4.61 | 47,101 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,775 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,479 |
| Champions League Winners | 0 | - | 4.92 | 1,016,277 |
| Flags of Oceania | 0 | - | 5.00 | 262,754 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.95 | 27,727 |
| Australia... or New Zealand? | 0 | - | 4.83 | 62,015 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,951 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,774 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,850 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,993 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,512 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,131 |
| Countries Bordering France | 0 | - | 4.83 | 404,943 |
| States of Germany | 0 | - | 4.95 | 154,531 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,701 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,883 |
| Regions of Italy | 0 | - | 4.92 | 77,095 |
| Netherlands Country Quiz | 0 | - | 4.52 | 80,949 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,390 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,331 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,772 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,375 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,595 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| Palau Country Quiz | 0 | - | 4.89 | 23,145 |
| Australia Country Quiz | 0 | - | 4.43 | 69,839 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,550 |
| Samoa Country Quiz | 0 | - | 4.81 | 20,954 |
| Tonga Country Quiz | 0 | - | 4.83 | 20,623 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,754 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,889 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,941 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,947 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,940 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,816 |
| Germany Country Quiz | 0 | - | 4.82 | 158,850 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,079 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,243 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,048 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,251 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,063 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,657 |
| History of The Netherlands | 0 | - | 4.46 | 17,556 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,504 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,882 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,925 |
| UK Immigration by Country | 0 | - | 4.94 | 141,730 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,026 |
| British Monopoly Board | 0 | - | 4.52 | 41,271 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,788 |
| Name the English Monarchs | 0 | - | 4.91 | 506,433 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,167 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,745 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,720 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,332 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,220 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,949 |
| Slavic Languages | 0 | - | 4.67 | 54,699 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,672 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,954 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,776 |
| France A-Z | 0 | - | 4.16 | 38,337 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,152 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,483 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,704 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,328 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,669 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,561 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,977 |
| Name that Greek Letter | 0 | - | 4.93 | 324,994 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,315 |
| Counties of Ireland | 0 | - | 4.92 | 197,354 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,742 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,261 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,177 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,392 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,298 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,208 |
| Roman Names for Places | 0 | - | 4.62 | 58,713 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,884 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,627 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,285 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,138 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,355 |
| Countries of Iberia in History with a Map | 0 | - | 4.88 | 42,387 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 86,888 |
| Switzerland A-Z | 0 | - | 4.45 | 25,768 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,983 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,089 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,865 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,094 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,891 |
| UK General Knowledge Multiple Choice #2 | 0 | - | 4.33 | 22,801 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,395 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,093 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,360 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 55,319 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 38,090 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,076 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,308 |
| Animals of Australia | 0 | - | 4.53 | 42,496 |
| Countries that Beat New Zealand | 0 | - | 4.70 | 26,797 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,851 |
| History of Russia Quiz | 0 | - | 4.47 | 32,006 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,873 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,345 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,144 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,241 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,797 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 127,568 |
| Famous Irish People | 0 | - | 4.05 | 46,065 |
| History of Italy | 0 | - | 4.55 | 32,148 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,382 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,850 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,479 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,426 |
| Geography of Spain | 0 | - | 4.59 | 22,184 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,494 |
| British Geography A-Z | 0 | - | 4.42 | 19,614 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,725 |
| London A-Z | 0 | - | 4.10 | 40,880 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,416 |
| AFL Teams | 0 | - | 4.42 | 40,906 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,217 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,617 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,052 |
| European Geography By Letter - D | 0 | - | 4.49 | 117,780 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,126 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,582 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,170 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,644 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,080 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,646 |
| Europe Map Quiz | 0 | - | 5.00 | 4,788,602 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,533 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,186 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,464 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,432 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,471 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,547 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,746 |
| Capitals of French Regions | 0 | - | 4.45 | 16,184 |
| Regions of France | 0 | - | 4.70 | 122,115 |
| France Immigration by Country | 0 | - | 4.70 | 76,938 |
| Kings of France Quiz | 0 | - | 4.21 | 32,931 |
| Famous Germans | 0 | - | 4.50 | 55,795 |
| German Groups of Things | 0 | - | 4.47 | 38,637 |
| Capitals of German States | 0 | - | 4.74 | 29,072 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,546 |
| Germany True or False? | 0 | - | 4.61 | 49,022 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,473 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,581 |
| Ancient Greek Words | 0 | - | 4.93 | 112,475 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,387 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,265 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,505 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,408 |
| British to American Food Translation | 0 | - | 3.38 | 52,046 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,834 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,570 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,815 |
