| European Countries by First 2 Letters | 0 | - | 4.95 | 526,151 |
| Regions of New Zealand | 0 | - | 4.85 | 28,108 |
| Austria... or Australia? | 0 | - | 4.68 | 103,835 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,767 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,202 |
| Departments of France | 0 | - | 4.93 | 52,727 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,350 |
| England or Wales? | 0 | - | 4.94 | 45,290 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,800 |
| Australian Capitals | 0 | - | 4.92 | 62,587 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,546 |
| Official European Union Languages | 0 | - | 4.97 | 236,418 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,635 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,981 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,499 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,321 |
| The Trojan War | 0 | - | 4.83 | 39,405 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,437 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,010 |
| Roman Emperors | 0 | - | 4.95 | 118,359 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,746 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,505 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,414 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,470 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,544 |
| Australian States and Territories | 0 | - | 4.95 | 140,598 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,997 |
| Australia True or False | 0 | - | 4.87 | 56,485 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,812 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,664 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,690 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,957 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,030 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,488 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,439 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,685 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,228 |
| Celtic Nations | 0 | - | 4.69 | 46,802 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,744 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,016 |
| Champions League Winners | 0 | - | 4.92 | 995,595 |
| Flags of Oceania | 0 | - | 5.00 | 254,860 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,885 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,029 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,288 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,155 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,165 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,696 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,754 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,759 |
| Countries Bordering France | 0 | - | 4.85 | 397,973 |
| States of Germany | 0 | - | 4.96 | 149,891 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,966 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,851 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,500 |
| Regions of Italy | 0 | - | 4.92 | 74,629 |
| Netherlands Country Quiz | 0 | - | 4.50 | 79,925 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,670 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,200 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,084 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,186 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,019 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,398 |
| Palau Country Quiz | 0 | - | 4.89 | 22,821 |
| Australia Country Quiz | 0 | - | 4.43 | 69,253 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,283 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,334 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,113 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,343 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,048 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,012 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,110 |
| Germany Country Quiz | 0 | - | 4.82 | 156,461 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,082 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,752 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,762 |
| Italy Country Quiz | 0 | - | 4.82 | 122,129 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,310 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,013 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,922 |
| History of The Netherlands | 0 | - | 4.46 | 17,304 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,908 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,556 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,704 |
| UK Immigration by Country | 0 | - | 4.94 | 139,528 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,045 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,167 |
| Name the English Monarchs | 0 | - | 4.92 | 497,606 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,373 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,433 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,942 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,905 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,767 |
| Slavic Languages | 0 | - | 4.67 | 53,948 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,366 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,550 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,715 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,461 |
| France A-Z | 0 | - | 4.16 | 38,045 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,493 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,773 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,562 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,301 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,138 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,425 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,471 |
| Name that Greek Letter | 0 | - | 4.94 | 321,499 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,836 |
| Counties of Ireland | 0 | - | 4.92 | 192,907 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,420 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,404 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,830 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,219 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,522 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,649 |
| Roman Names for Places | 0 | - | 4.62 | 57,847 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,621 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,234 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,465 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,191 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,427 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,098 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,441 |
| Switzerland A-Z | 0 | - | 4.45 | 25,497 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,428 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,905 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,196 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,791 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,656 |
| UK General Knowledge Multiple Choice #2 | 0 | - | 4.33 | 22,562 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,503 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,423 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,124 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,945 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,822 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,657 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,724 |
| Animals of Australia | 0 | - | 4.52 | 42,139 |
| Countries that Beat New Zealand | 0 | - | 4.69 | 26,154 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,055 |
| History of Russia Quiz | 0 | - | 4.49 | 31,782 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,554 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,085 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,657 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,978 |
| Olympian Gods Quiz | 0 | - | 4.96 | 495,391 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,149 |
| Famous Irish People | 0 | - | 4.05 | 45,852 |
| History of Italy | 0 | - | 4.55 | 31,806 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,119 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,677 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,279 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,966 |
| Geography of Spain | 0 | - | 4.59 | 21,946 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,783 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,575 |
| London A-Z | 0 | - | 4.10 | 40,628 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,403 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,845 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,339 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,842 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,777 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,650 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,174 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,813 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,634 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,597 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,999 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,263 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,955 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,971 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,597 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,924 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,962 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,566 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,112 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,589 |
| Capitals of French Regions | 0 | - | 4.45 | 15,980 |
| Regions of France | 0 | - | 4.78 | 119,110 |
| France Immigration by Country | 0 | - | 4.72 | 75,934 |
| Kings of France Quiz | 0 | - | 4.20 | 32,545 |
| Famous Germans | 0 | - | 4.50 | 54,584 |
| German Groups of Things | 0 | - | 4.46 | 38,295 |
| Capitals of German States | 0 | - | 4.74 | 28,804 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,087 |
| Germany True or False? | 0 | - | 4.61 | 48,514 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,425 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,416 |
| Ancient Greek Words | 0 | - | 4.92 | 110,611 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,285 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,109 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,581 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,033 |
| British to American Food Translation | 0 | - | 3.38 | 51,807 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,895 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,255 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,379 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,386 |
