| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,494 |
| Official European Union Languages | 0 | - | 4.97 | 239,294 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,341 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 531,410 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,533 |
| Departments of France | 0 | - | 4.93 | 54,747 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,669 |
| England or Wales? | 0 | - | 4.94 | 45,865 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,986 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,285 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,928 |
| Slavic Languages | 0 | - | 4.68 | 54,568 |
| The Trojan War | 0 | - | 4.83 | 39,904 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,555 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,397 |
| Roman Emperors | 0 | - | 4.95 | 120,731 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,188 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,978 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,554 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 359,568 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,894 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,422 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,460 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,822 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,932 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 174,485 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,570 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,303 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,706 |
| Champions League Winners | 0 | - | 4.92 | 1,012,156 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,814 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,664 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,815 |
| Celtic Nations | 0 | - | 4.69 | 47,047 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,370 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,545 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,900 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,599 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,547 |
| Countries Bordering France | 0 | - | 4.83 | 404,139 |
| States of Germany | 0 | - | 4.95 | 153,812 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,462 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,168 |
| Regions of Italy | 0 | - | 4.92 | 76,535 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,588 |
| The Vikings! | 0 | - | 4.46 | 28,386 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,846 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,539 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,000 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,237 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,792 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,667 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,723 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,861 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,971 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,203 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,852 |
| Austria... or Australia? | 0 | - | 4.68 | 104,618 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,784 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,429 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,038 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,358 |
| Germany Country Quiz | 0 | - | 4.83 | 158,484 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,840 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,881 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,158 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,984 |
| Counties of Ireland | 0 | - | 4.92 | 196,618 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,921 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,796 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,124 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,526 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,831 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,268 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,490 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,489 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,656 |
| UK Immigration by Country | 0 | - | 4.94 | 141,370 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,514 |
| British Monopoly Board | 0 | - | 4.52 | 41,226 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,312 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,574 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,727 |
| Name the English Monarchs | 0 | - | 4.91 | 504,963 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,913 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,130 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,453 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,684 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,693 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,094 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 116,096 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,656 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,326 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,104 |
| France A-Z | 0 | - | 4.16 | 38,299 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,523 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,982 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,380 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 650,184 |
| Name that Greek Letter | 0 | - | 4.93 | 324,502 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,086 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,771 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,696 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,927 |
| Ancient Roman Trivia #2 | 0 | - | 4.60 | 43,790 |
| Geography of the Roman Empire | 0 | - | 4.56 | 52,121 |
| Roman Names for Places | 0 | - | 4.62 | 58,568 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,826 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,891 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,674 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,573 |
| Most Common First Names in Spain | 0 | - | 4.31 | 53,665 |
| Languages of Spain | 0 | - | 4.36 | 23,379 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,191 |
| Switzerland A-Z | 0 | - | 4.45 | 25,729 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,875 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,064 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,969 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 237,940 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,507 |
| History of Russia Quiz | 0 | - | 4.47 | 31,977 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,819 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,305 |
| Kings of France Quiz | 0 | - | 4.20 | 32,862 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,070 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,203 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,649 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,546 |
| Ancient Greek Words | 0 | - | 4.93 | 112,149 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,937 |
| Famous Irish People | 0 | - | 4.05 | 46,042 |
| History of Italy | 0 | - | 4.55 | 32,098 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,133 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,228 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,763 |
| Famous Nordic People | 0 | - | 4.34 | 20,224 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,457 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,359 |
| Geography of Spain | 0 | - | 4.59 | 22,139 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,407 |
| British Geography A-Z | 0 | - | 4.42 | 19,581 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,623 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,419 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,706 |
| London A-Z | 0 | - | 4.10 | 40,843 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,616 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,337 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,722 |
| European Geography By Letter - C | 0 | - | 4.46 | 119,108 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,692 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,292 |
| European Geography By Letter - M | 0 | - | 4.69 | 131,767 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,664 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,207 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,451 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,080 |
| Europe Map Quiz | 0 | - | 5.00 | 4,777,774 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,426 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,080 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,380 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,348 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,065 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,379 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,613 |
| Capitals of French Regions | 0 | - | 4.45 | 16,144 |
| Regions of France | 0 | - | 4.70 | 121,600 |
| France Immigration by Country | 0 | - | 4.70 | 76,791 |
| Famous Germans | 0 | - | 4.50 | 55,621 |
| German Groups of Things | 0 | - | 4.47 | 38,572 |
| Capitals of German States | 0 | - | 4.74 | 29,030 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,452 |
| Germany True or False? | 0 | - | 4.61 | 48,943 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,280 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,001 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,717 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,375 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,585 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,371 |
| British to American Food Translation | 0 | - | 3.38 | 52,005 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,588 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,525 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,743 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,759 |
| Famous Scottish People | 0 | - | 4.22 | 18,422 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 280,162 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,908 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,000 |
| Top World Languages | 0 | - | 4.92 | 826,656 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,206 |
| Oceania Map Quiz | 0 | - | 4.98 | 657,208 |
| Australian Capitals | 0 | - | 4.92 | 62,791 |
| United States Map Quiz | 0 | - | 4.98 | 4,166,437 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,532 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,857 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,696 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,393 |
| European Geography By Letter - I | 0 | - | 4.09 | 96,105 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,751 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,193 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,297 |
