| European Countries by First 2 Letters | 0 | - | 4.95 | 526,348 |
| Regions of New Zealand | 0 | - | 4.85 | 28,140 |
| Austria... or Australia? | 0 | - | 4.68 | 103,870 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,810 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,478 |
| Departments of France | 0 | - | 4.93 | 52,825 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,367 |
| England or Wales? | 0 | - | 4.94 | 45,318 |
| Oceania Map Quiz | 0 | - | 4.98 | 635,299 |
| Australian Capitals | 0 | - | 4.92 | 62,593 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,581 |
| Official European Union Languages | 0 | - | 4.97 | 236,522 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,701 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,200 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,513 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,373 |
| The Trojan War | 0 | - | 4.83 | 39,428 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,535 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,046 |
| Roman Emperors | 0 | - | 4.95 | 118,487 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 49,798 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,539 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,434 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,482 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,567 |
| Australian States and Territories | 0 | - | 4.95 | 140,849 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,018 |
| Australia True or False | 0 | - | 4.87 | 56,502 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,850 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,825 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,886 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,962 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,048 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,920 |
| New Zealand Country Quiz | 0 | - | 4.68 | 75,465 |
| Non-Stop Flights to New Zealand | 0 | - | 4.46 | 47,712 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,239 |
| Celtic Nations | 0 | - | 4.69 | 46,812 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,825 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,152 |
| Champions League Winners | 0 | - | 4.92 | 996,334 |
| Flags of Oceania | 0 | - | 5.00 | 255,194 |
| All First-Level Subdivisions of Oceania on a Map | 0 | - | 4.97 | 26,916 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,054 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,331 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,214 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,255 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,791 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,994 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,775 |
| Countries Bordering France | 0 | - | 4.83 | 399,090 |
| States of Germany | 0 | - | 4.96 | 150,050 |
| Germany Immigration by Country | 0 | - | 4.84 | 80,012 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,046 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,520 |
| Regions of Italy | 0 | - | 4.92 | 74,727 |
| Netherlands Country Quiz | 0 | - | 4.50 | 79,961 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,697 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,349 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,162 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,222 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,043 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,405 |
| Palau Country Quiz | 0 | - | 4.89 | 22,844 |
| Australia Country Quiz | 0 | - | 4.43 | 69,281 |
| Tuvalu Country Quiz | 0 | - | 4.86 | 21,297 |
| Tonga Country Quiz | 0 | - | 4.82 | 20,348 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,145 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,534 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,205 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,168 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,190 |
| Germany Country Quiz | 0 | - | 4.82 | 156,544 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,146 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,775 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,771 |
| Italy Country Quiz | 0 | - | 4.82 | 122,202 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,384 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,079 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,951 |
| History of The Netherlands | 0 | - | 4.46 | 17,311 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,951 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,641 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,860 |
| UK Immigration by Country | 0 | - | 4.94 | 139,637 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,144 |
| British Monopoly Board | 0 | - | 4.52 | 41,033 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,278 |
| Name the English Monarchs | 0 | - | 4.92 | 497,888 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,496 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,450 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,599 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,987 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,046 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,796 |
| Slavic Languages | 0 | - | 4.67 | 53,985 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,395 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,555 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,776 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 102,625 |
| France A-Z | 0 | - | 4.16 | 38,056 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,533 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,806 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,599 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,377 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,328 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,460 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,904 |
| Name that Greek Letter | 0 | - | 4.94 | 321,665 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,901 |
| Counties of Ireland | 0 | - | 4.92 | 193,075 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,428 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,450 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,873 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,323 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,533 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,669 |
| Roman Names for Places | 0 | - | 4.62 | 57,878 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,676 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,246 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,474 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,306 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,466 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,137 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,494 |
| Switzerland A-Z | 0 | - | 4.45 | 25,508 |
| Most Common Surnames in the UK | 0 | - | 4.21 | 69,444 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 41,915 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,269 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,841 |
| UK General Knowledge Multiple Choice #1 | 0 | - | 4.24 | 20,662 |
| UK General Knowledge Multiple Choice #2 | 0 | - | 4.33 | 22,569 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,612 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,445 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,288 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,956 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,836 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,726 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,766 |
| Animals of Australia | 0 | - | 4.52 | 42,151 |
| Countries that Beat New Zealand | 0 | - | 4.69 | 26,173 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,132 |
| History of Russia Quiz | 0 | - | 4.49 | 31,794 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,565 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,094 |
| The Reign of Napoleon | 0 | - | 4.54 | 38,676 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,984 |
| Olympian Gods Quiz | 0 | - | 4.96 | 496,123 |
| 101 Figures from Greek Mythology | 0 | - | 5.00 | 124,288 |
| Famous Irish People | 0 | - | 4.05 | 45,855 |
| History of Italy | 0 | - | 4.55 | 31,814 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,159 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,685 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,286 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,981 |
| Geography of Spain | 0 | - | 4.59 | 21,965 |
| Members of the British Royal Family | 0 | - | 4.10 | 113,800 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,580 |
| London A-Z | 0 | - | 4.10 | 40,637 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,531 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 26,868 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,408 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,907 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,853 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,712 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,217 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,893 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,671 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,627 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,024 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,307 |
| Europe Map Quiz | 0 | - | 5.00 | 4,731,297 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,991 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,616 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 69,944 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,982 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,595 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,149 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,610 |
| Capitals of French Regions | 0 | - | 4.45 | 15,985 |
| Regions of France | 0 | - | 4.78 | 119,248 |
| France Immigration by Country | 0 | - | 4.72 | 75,964 |
| Kings of France Quiz | 0 | - | 4.20 | 32,553 |
| Famous Germans | 0 | - | 4.50 | 54,614 |
| German Groups of Things | 0 | - | 4.46 | 38,306 |
| Capitals of German States | 0 | - | 4.74 | 28,811 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,096 |
| Germany True or False? | 0 | - | 4.61 | 48,535 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,465 |
| The Life of Alexander the Great | 0 | - | 4.49 | 18,423 |
| Ancient Greek Words | 0 | - | 4.92 | 110,691 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,492 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,117 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,617 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,045 |
| British to American Food Translation | 0 | - | 3.38 | 51,814 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,959 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,262 |
| The UK for Americans - True or False | 0 | - | 4.46 | 58,387 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,394 |
