| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,888 |
| Official European Union Languages | 0 | - | 4.97 | 240,468 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,889 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,454 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 533,264 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 217,629 |
| Departments of France | 0 | - | 4.93 | 55,476 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,796 |
| England or Wales? | 0 | - | 4.94 | 46,093 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,322 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,571 |
| Slavic Languages | 0 | - | 4.67 | 54,803 |
| The Trojan War | 0 | - | 4.83 | 40,123 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,359 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,732 |
| Roman Emperors | 0 | - | 4.95 | 121,523 |
| Europe Geography Decoder | 0 | - | 4.87 | 70,413 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,121 |
| Top European Languages on a Map | 0 | - | 4.77 | 133,058 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 363,058 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 114,053 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,699 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,173 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,344 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,771 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,775 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,534 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,965 |
| Champions League Winners | 0 | - | 4.92 | 1,018,646 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,282 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,832 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,590 |
| Add A Letter - Make a European City | 0 | - | 4.88 | 23,543 |
| Celtic Nations | 0 | - | 4.61 | 47,131 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,267 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,935 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 89,320 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,236 |
| Federal Subjects of Russia | 0 | - | 4.95 | 150,036 |
| Countries Bordering France | 0 | - | 4.83 | 405,507 |
| States of Germany | 0 | - | 4.95 | 155,056 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,859 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,376 |
| Regions of Italy | 0 | - | 4.92 | 77,319 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,969 |
| The Vikings! | 0 | - | 4.46 | 28,433 |
| Regions of Spain Quiz | 0 | - | 4.91 | 115,681 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,963 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,101 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,502 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,879 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.74 | 58,843 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,092 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,498 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,468 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,398 |
| Andorra Country Quiz | 0 | - | 4.91 | 32,024 |
| Austria... or Australia? | 0 | - | 4.67 | 104,878 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,082 |
| France Cities Map Quiz | 0 | - | 4.96 | 168,091 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,254 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,599 |
| Germany Country Quiz | 0 | - | 4.82 | 159,157 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,313 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 99,300 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,303 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,081 |
| Counties of Ireland | 0 | - | 4.92 | 197,788 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,488 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,293 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,405 |
| Countries Italy Declared War On | 0 | - | 4.77 | 50,196 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,790 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,655 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,094 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,181 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,475 |
| UK Immigration by Country | 0 | - | 4.94 | 141,950 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,381 |
| British Monopoly Board | 0 | - | 4.52 | 41,301 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,133 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 76,064 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,741 |
| Name the English Monarchs | 0 | - | 4.91 | 507,671 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,463 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,456 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,606 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,814 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,742 |
| Word Scramble - European Countries | 0 | - | 4.72 | 142,490 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 124,643 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,690 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 105,063 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,170 |
| France A-Z | 0 | - | 4.16 | 38,371 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,848 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,565 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,696 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 653,371 |
| Name that Greek Letter | 0 | - | 4.93 | 325,406 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,544 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,909 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,765 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,337 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,417 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,282 |
| Roman Names for Places | 0 | - | 4.62 | 58,818 |
| Greenland... or Iceland? | 0 | - | 4.50 | 43,878 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,349 |
| Countries that Beat Portugal | 0 | - | 4.86 | 60,041 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,671 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,410 |
| Languages of Spain | 0 | - | 4.36 | 23,475 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,466 |
| Switzerland A-Z | 0 | - | 4.45 | 25,803 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 70,050 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,117 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,173 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,675 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 223,305 |
| History of Russia Quiz | 0 | - | 4.47 | 32,032 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,912 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,474 |
| Kings of France Quiz | 0 | - | 4.22 | 32,976 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,242 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,264 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,726 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,598 |
| Ancient Greek Words | 0 | - | 4.93 | 112,740 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 128,115 |
| Famous Irish People | 0 | - | 4.05 | 46,087 |
| History of Italy | 0 | - | 4.55 | 32,199 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,570 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,278 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,867 |
| Famous Nordic People | 0 | - | 4.34 | 20,360 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,507 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,482 |
| Geography of Spain | 0 | - | 4.59 | 22,302 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,554 |
| British Geography A-Z | 0 | - | 4.42 | 19,636 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,948 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 293,056 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,740 |
| London A-Z | 0 | - | 4.10 | 40,919 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,709 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,541 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,987 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,541 |
| European Geography By Letter - D | 0 | - | 4.49 | 119,101 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,484 |
| European Geography By Letter - M | 0 | - | 4.70 | 133,016 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,423 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,999 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,273 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,911 |
| Europe Map Quiz | 0 | - | 5.00 | 4,795,262 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,591 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,263 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,533 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,489 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,657 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,641 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,803 |
| Capitals of French Regions | 0 | - | 4.45 | 16,217 |
| Regions of France | 0 | - | 4.70 | 122,515 |
| France Immigration by Country | 0 | - | 4.70 | 77,043 |
| Famous Germans | 0 | - | 4.50 | 55,899 |
| German Groups of Things | 0 | - | 4.47 | 38,684 |
| Capitals of German States | 0 | - | 4.74 | 29,102 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,602 |
| Germany True or False? | 0 | - | 4.61 | 49,090 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,616 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,586 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,677 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,659 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,979 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,519 |
| British to American Food Translation | 0 | - | 3.38 | 52,066 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,999 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,616 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,862 |
| Famous Scottish People | 0 | - | 4.22 | 18,445 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 281,133 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,759 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,194 |
| Top World Languages | 0 | - | 4.92 | 832,205 |
| Oceania Map Quiz | 0 | - | 4.98 | 660,830 |
| Australian Capitals | 0 | - | 4.92 | 62,886 |
| United States Map Quiz | 0 | - | 4.98 | 4,174,367 |
| European Geography By Letter - E | 0 | - | 4.25 | 122,276 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,870 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,528 |
| European Geography By Letter - G | 0 | - | 4.27 | 104,323 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,849 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,498 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,840 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,766 |
| European Physical Geography | 0 | - | 4.26 | 33,623 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,962 |
