| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,342 |
| Official European Union Languages | 0 | - | 4.97 | 238,956 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,152 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,670 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,658 |
| Departments of France | 0 | - | 4.93 | 54,493 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,620 |
| England or Wales? | 0 | - | 4.94 | 45,806 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,864 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,218 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,120 |
| Slavic Languages | 0 | - | 4.68 | 54,472 |
| The Trojan War | 0 | - | 4.83 | 39,803 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,272 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,659 |
| Roman Emperors | 0 | - | 4.95 | 120,422 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,119 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,917 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,369 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,802 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,289 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,812 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,318 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,433 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,543 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,369 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,195 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,481 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,205 |
| UK Cities Map Quiz | 0 | - | 4.96 | 465,221 |
| Champions League Winners | 0 | - | 4.92 | 1,010,067 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,663 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,602 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,480 |
| Celtic Nations | 0 | - | 4.69 | 46,998 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,953 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,404 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,911 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,337 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,057 |
| Countries Bordering France | 0 | - | 4.83 | 403,598 |
| States of Germany | 0 | - | 4.95 | 153,247 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,300 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,734 |
| Regions of Italy | 0 | - | 4.92 | 76,269 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,445 |
| The Vikings! | 0 | - | 4.46 | 28,370 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,438 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,426 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,951 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,166 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,757 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,590 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,653 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,965 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,408 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,670 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,784 |
| Austria... or Australia? | 0 | - | 4.68 | 104,511 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,670 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,186 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,971 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,288 |
| Germany Country Quiz | 0 | - | 4.83 | 158,199 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 126,649 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 97,404 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,081 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,948 |
| Counties of Ireland | 0 | - | 4.92 | 196,093 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,678 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 152,624 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,029 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,427 |
| Countries Closest to Italy | 0 | - | 4.97 | 198,372 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,125 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,247 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,283 |
| Countries Closest to Spain | 0 | - | 4.96 | 227,389 |
| UK Immigration by Country | 0 | - | 4.94 | 141,182 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 140,208 |
| British Monopoly Board | 0 | - | 4.52 | 41,196 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,017 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 75,393 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 131,310 |
| Name the English Monarchs | 0 | - | 4.91 | 504,057 |
| World Capitals Closest to London | 0 | - | 4.88 | 110,809 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,019 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,040 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,650 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,675 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,895 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,656 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,646 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,112 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,091 |
| France A-Z | 0 | - | 4.16 | 38,270 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,372 |
| Countries that Beat Germany | 0 | - | 4.94 | 106,752 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,211 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,994 |
| Name that Greek Letter | 0 | - | 4.93 | 324,200 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,909 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,717 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,666 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,664 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,793 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,994 |
| Roman Names for Places | 0 | - | 4.62 | 58,408 |
| Countries Closest to Iceland | 0 | - | 4.90 | 73,755 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,528 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,517 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,658 |
| Languages of Spain | 0 | - | 4.36 | 23,353 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,080 |
| Switzerland A-Z | 0 | - | 4.45 | 25,692 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,776 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,048 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,880 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,712 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,874 |
| History of Russia Quiz | 0 | - | 4.47 | 31,957 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,782 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,263 |
| Kings of France Quiz | 0 | - | 4.20 | 32,820 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,029 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,180 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,966 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,524 |
| Ancient Greek Words | 0 | - | 4.93 | 111,927 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,534 |
| Famous Irish People | 0 | - | 4.05 | 46,024 |
| History of Italy | 0 | - | 4.55 | 32,058 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,973 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,206 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,723 |
| Famous Nordic People | 0 | - | 4.34 | 20,175 |
| Most Common Last Names in Sweden | 0 | - | 4.49 | 15,436 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,300 |
| Geography of Spain | 0 | - | 4.59 | 22,108 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,359 |
| British Geography A-Z | 0 | - | 4.42 | 19,564 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,098 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,121 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,692 |
| London A-Z | 0 | - | 4.10 | 40,818 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,583 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,000 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,396 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,794 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,348 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,016 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,344 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,217 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,026 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,295 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,851 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,940 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,361 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,017 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,307 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,302 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,898 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,555 |
| Capitals of French Regions | 0 | - | 4.45 | 16,117 |
| Regions of France | 0 | - | 4.72 | 121,271 |
| France Immigration by Country | 0 | - | 4.70 | 76,689 |
| Famous Germans | 0 | - | 4.50 | 55,538 |
| German Groups of Things | 0 | - | 4.46 | 38,529 |
| Capitals of German States | 0 | - | 4.74 | 28,990 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,403 |
| Germany True or False? | 0 | - | 4.61 | 48,894 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,149 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,823 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,101 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,283 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,503 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,343 |
| British to American Food Translation | 0 | - | 3.38 | 51,985 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,450 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,496 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,694 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,726 |
| Famous Scottish People | 0 | - | 4.22 | 18,415 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,730 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,625 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,594 |
| Top World Languages | 0 | - | 4.92 | 824,694 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,186 |
| Oceania Map Quiz | 0 | - | 4.98 | 653,778 |
| Australian Capitals | 0 | - | 4.92 | 62,757 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,818 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,277 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,625 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,476 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,159 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,903 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,543 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,024 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,155 |
| European Physical Geography | 0 | - | 4.26 | 33,542 |
