| Europe Geography Decoder | 0 | - | 4.87 | 70,327 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,510 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,588 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 82,003 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 216,848 |
| German Groups of Things | 0 | - | 4.47 | 38,638 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,938 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,971 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,979 |
| Departments of France | 0 | - | 4.93 | 55,195 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,749 |
| England or Wales? | 0 | - | 4.94 | 45,976 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,755 |
| Official European Union Languages | 0 | - | 4.97 | 239,845 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,676 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,987 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,099 |
| Most Common Last Names in Sweden | 0 | - | 4.50 | 15,486 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,351 |
| The Trojan War | 0 | - | 4.83 | 39,997 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,991 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,603 |
| Roman Emperors | 0 | - | 4.95 | 121,241 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,279 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,258 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,523 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,062 |
| British Groups of Things | 0 | - | 4.26 | 83,021 |
| Top Five Countries By Category #1 | 0 | - | 4.99 | 453,688 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,039 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,833 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,962 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,700 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,464 |
| Fictional Characters from Great Britain | 0 | - | 4.24 | 42,090 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,858 |
| Top Five Countries By Category #2 | 0 | - | 4.93 | 202,093 |
| Top Five Countries By Category #3 | 0 | - | 4.83 | 184,467 |
| Celtic Nations | 0 | - | 4.61 | 47,104 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,533 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,193 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,468 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,434 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,553 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,750 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,511 |
| Champions League Winners | 0 | - | 4.92 | 1,016,466 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,688 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,992 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,791 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,907 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,573 |
| Countries Bordering France | 0 | - | 4.83 | 404,984 |
| States of Germany | 0 | - | 4.95 | 154,577 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,709 |
| Countries Bordering Germany | 0 | - | 4.99 | 371,919 |
| Regions of Italy | 0 | - | 4.92 | 77,114 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,817 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,745 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,393 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,357 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,778 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,383 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,843 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,587 |
| Countries of Africa - One Minute Sprint | 0 | - | 4.43 | 324,258 |
| Five Biggest Immigrant Groups by Country #1 | 0 | - | 4.97 | 181,774 |
| Five Biggest Immigrant Groups by Country #2 | 0 | - | 4.91 | 89,743 |
| Top Five Countries By Fruit Production | 0 | - | 4.96 | 81,396 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,579 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,901 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,757 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,942 |
| Austria... or Australia? | 0 | - | 4.67 | 104,774 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,837 |
| Word Chain - France | 0 | - | 4.38 | 42,943 |
| Germany Country Quiz | 0 | - | 4.82 | 158,867 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,088 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,245 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,050 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,264 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,076 |
| Countries Italy Declared War On | 0 | - | 4.75 | 44,437 |
| Finland Country Quiz | 0 | - | 4.51 | 60,018 |
| Norway Country Quiz | 0 | - | 4.45 | 77,835 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,401 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,514 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 186,888 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,952 |
| UK Immigration by Country | 0 | - | 4.94 | 141,746 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,113 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,051 |
| British Monopoly Board | 0 | - | 4.52 | 41,274 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,818 |
| Name the English Monarchs | 0 | - | 4.91 | 506,600 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,201 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,393 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,759 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,457 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,749 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,721 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 122,461 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,865 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,968 |
| Slavic Languages | 0 | - | 4.67 | 54,705 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,673 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,957 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,806 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 18,145 |
| France A-Z | 0 | - | 4.16 | 38,342 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,155 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,489 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,716 |
| Countries that Beat Germany | 0 | - | 4.94 | 107,350 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,712 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,109 |
| Name that Greek Letter | 0 | - | 4.93 | 325,027 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,331 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,852 |
| Counties of Ireland | 0 | - | 4.92 | 197,377 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,742 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,265 |
| Countries that Beat Italy | 0 | - | 4.85 | 55,195 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,415 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,303 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,214 |
| Roman Names for Places | 0 | - | 4.62 | 58,716 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,173 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,893 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,631 |
| Most Common First Names in Spain | 0 | - | 4.33 | 55,296 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,158 |
| Countries that Beat Spain | 0 | - | 4.94 | 63,362 |
| Switzerland A-Z | 0 | - | 4.45 | 25,770 |
| Most Common Surnames in the UK | 0 | - | 4.22 | 69,986 |
| Countries that Visit the UK the Most | 0 | - | 4.88 | 75,881 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,430 |
| Wonderwall Lyrics | 0 | - | 4.25 | 74,102 |
| Commonwealth of Nations Countries | 0 | - | 4.95 | 238,395 |
| World Capitals Closest to London | 0 | - | 4.88 | 111,081 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 97,317 |
| Word Scramble - Asian Countries | 0 | - | 4.49 | 109,320 |
| Countries of Asia - One Minute Sprint | 0 | - | 4.41 | 276,746 |
| Word Chain - Africa | 0 | - | 4.47 | 31,719 |
| U.S. Groups of Four Quiz | 0 | - | 4.39 | 25,448 |
| U.S. Groups of Three Quiz | 0 | - | 4.04 | 20,984 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,866 |
| History of Russia Quiz | 0 | - | 4.47 | 32,007 |
| Word Chain - Russia | 0 | - | 4.33 | 15,798 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,877 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,350 |
| The Reign of Napoleon | 0 | - | 4.54 | 39,153 |
| Word Chain - Germany | 0 | - | 4.31 | 22,684 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,243 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,858 |
| Famous Irish People | 0 | - | 4.05 | 46,067 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,243 |
| History of Italy | 0 | - | 4.55 | 32,154 |
| Word Chain - Italy | 0 | - | 4.07 | 23,224 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,395 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,827 |
| Famous Nordic People | 0 | - | 4.34 | 20,312 |
| Countries Once Held by Sweden | 0 | - | 4.18 | 34,856 |
| Sweden Country Quiz | 0 | - | 4.35 | 68,555 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,240 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,428 |
| Geography of Spain | 0 | - | 4.59 | 22,186 |
| Word Chain - United Kingdom | 0 | - | 4.05 | 29,416 |
| Members of the British Royal Family | 0 | - | 4.10 | 114,498 |
| Name a Valid English City | 0 | - | 4.19 | 16,829 |
| British Geography A-Z | 0 | - | 4.42 | 19,614 |
| Sherlock Holmes Quiz | 0 | - | 4.49 | 26,726 |
| London A-Z | 0 | - | 4.10 | 40,880 |
| Random Sequential Oceanic Countries on a Map | 0 | - | 4.97 | 27,420 |
| Name a Valid Answer - United States #1 | 0 | - | 4.61 | 94,404 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,242 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,648 |
| European Geography By Letter - C | 0 | - | 4.44 | 124,090 |
| European Geography By Letter - D | 0 | - | 4.49 | 118,029 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,164 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,626 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,195 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,754 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,102 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,680 |
| Europe Map Quiz | 0 | - | 5.00 | 4,789,060 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,496 |
| Capitals of French Regions | 0 | - | 4.45 | 16,185 |
| Regions of France | 0 | - | 4.70 | 122,144 |
| France Immigration by Country | 0 | - | 4.70 | 76,946 |
| Kings of France Quiz | 0 | - | 4.21 | 32,934 |
| Famous Germans | 0 | - | 4.50 | 55,801 |
| Capitals of German States | 0 | - | 4.74 | 29,074 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,547 |
| Germany True or False? | 0 | - | 4.61 | 49,025 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,500 |
| The Life of Alexander the Great | 0 | - | 4.51 | 18,581 |
| Ancient Greek Words | 0 | - | 4.93 | 112,512 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,408 |
| Seven Hills of Rome | 0 | - | 4.70 | 9,265 |