| European Countries by First 2 Letters | 0 | - | 4.96 | 513,288 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 65,979 |
| Official European Union Languages | 0 | - | 4.98 | 229,835 |
| European Countries in their Native Language | 0 | - | 4.99 | 152,354 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 412,794 |
| Europe Geography Decoder | 0 | - | 4.86 | 67,610 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 41,039 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 40,510 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,529 |
| Celtic Nations | 0 | - | 4.74 | 46,174 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.85 | 84,678 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 300,710 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 150,012 |
| Germany Multiple Choice | 0 | - | 4.83 | 52,537 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 329,759 |
| Catholic Countries in Europe | 0 | - | 4.83 | 90,820 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,736 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 66,408 |
| Category Elimination - European Geography #3 | 0 | - | 4.84 | 75,127 |
| Federal Subjects of Russia | 0 | - | 4.94 | 132,832 |
| States of Germany | 0 | - | 4.95 | 140,628 |
| Germany Immigration by Country | 0 | - | 4.86 | 76,762 |
| States of the German Confederation in 1848 | 0 | - | 4.86 | 29,782 |
| Counties of Ireland | 0 | - | 4.90 | 178,431 |
| Regions of Italy | 0 | - | 4.91 | 69,364 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 35,669 |
| Regions of Spain Quiz | 0 | - | 4.89 | 106,140 |
| Cantons of Switzerland | 0 | - | 4.97 | 46,301 |
| Beatles Songs Quiz | 0 | - | 4.96 | 225,304 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 284,783 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,810 |
| Champions League Winners | 0 | - | 4.92 | 958,956 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,579 |
| Word Scramble - European Countries | 0 | - | 4.74 | 136,781 |
| Top 20 Football Clubs in Europe | 0 | - | 4.47 | 106,110 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 220,505 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 265,480 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 157,546 |
| Slavic Languages | 0 | - | 4.65 | 52,280 |
| Departments of France | 0 | - | 4.90 | 46,328 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,770 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,439 |
| Spanish Immigration by Country | 0 | - | 4.63 | 54,352 |
| England or Wales? | 0 | - | 4.94 | 43,700 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 122,587 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 259,946 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 62,088 |
| French Geography Quiz #1 | 0 | - | 4.88 | 33,399 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 270,223 |
| Top European Languages on a Map | 0 | - | 4.78 | 127,053 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,807 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 619,957 |
| Italy Multiple Choice | 0 | - | 4.74 | 100,348 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,754 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,369 |
| Wonderwall Lyrics | 0 | - | 4.24 | 71,754 |
| Best-Selling British Musical Acts | 0 | - | 4.48 | 45,780 |
| Europe Map Quiz | 0 | - | 5.00 | 4,595,173 |
| Four Letter European Geography #1 | 0 | - | 4.49 | 25,043 |
| Four Letter European Geography #2 | 0 | - | 4.61 | 17,966 |
| Capitals of French Regions | 0 | - | 4.42 | 15,600 |
| Capitals of German States | 0 | - | 4.72 | 28,310 |
| Chancellors of Germany, 1949–present | 0 | - | 4.57 | 22,251 |
| The Trojan War | 0 | - | 4.81 | 38,112 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.84 | 104,198 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 75,580 |
| Roman Emperors | 0 | - | 4.96 | 110,707 |
| A Quiz About The Beatles | 0 | - | 4.55 | 46,062 |
| Africa Map Quiz | 0 | - | 5.00 | 2,049,268 |
| Oceania Map Quiz | 0 | - | 4.98 | 610,934 |
| Australian Capitals | 0 | - | 4.92 | 62,011 |
| European Geography By Letter - A | 0 | - | 4.61 | 129,375 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 108,030 |
| European Geography By Letter - C | 0 | - | 4.46 | 109,291 |
| European Geography By Letter - D | 0 | - | 4.51 | 104,048 |
| European Geography By Letter - L | 0 | - | 4.52 | 109,489 |
| European Geography By Letter - M | 0 | - | 4.53 | 118,764 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,959 |
| European Geography By Letter - N | 0 | - | 4.43 | 97,453 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,637 |
| European Geography By Letter - V | 0 | - | 4.44 | 89,934 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,805 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 70,343 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,832 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,019 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 97,471 |
| Regions of France | 0 | - | 4.74 | 112,993 |
| France Immigration by Country | 0 | - | 4.77 | 73,902 |
| Famous Germans | 0 | - | 4.42 | 40,693 |
| German Groups of Things | 0 | - | 4.46 | 37,642 |
| Germany True or False? | 0 | - | 4.63 | 47,233 |
| Largest Islands of Greece | 0 | - | 4.59 | 45,117 |
| Olympian Gods Quiz | 0 | - | 4.96 | 473,886 |
| Name that Greek Letter | 0 | - | 4.93 | 313,002 |
| Famous Italians by Clue | 0 | - | 4.45 | 75,855 |
| Provinces of the Netherlands | 0 | - | 4.76 | 37,978 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,401 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 98,833 |
| Imagine Lyrics | 0 | - | 4.54 | 41,986 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,407,735 |
| Asia Map Quiz | 0 | - | 4.99 | 866,785 |
| African East Coast | 0 | - | 4.96 | 91,447 |
| Western Africa Map Quiz | 0 | - | 4.97 | 69,076 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 46,672 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 202,888 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 90,107 |
| Countries That Use the Euro | 0 | - | 4.93 | 77,643 |
| European Physical Geography | 0 | - | 4.24 | 32,926 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 106,416 |
| Country Codes of Europe | 0 | - | 3.42 | 13,358 |
| The Only European Country ... | 0 | - | 4.91 | 200,998 |
| European Countries NOT in NATO | 0 | - | 4.88 | 52,346 |
| History of Russia Quiz | 0 | - | 4.48 | 31,256 |
| Geography of Russia | 0 | - | 4.56 | 21,006 |
| Slovakia... or Slovenia? | 0 | - | 4.70 | 41,017 |
| History of Austria | 0 | - | 4.69 | 17,278 |
| Presidents of France | 0 | - | 4.25 | 22,551 |
| Geography of the French Empire | 0 | - | 4.51 | 26,331 |
| The French Revolution | 0 | - | 4.45 | 23,034 |
| France Multiple Choice | 0 | - | 4.37 | 40,090 |
| History of France Quiz | 0 | - | 4.56 | 41,929 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.42 | 22,962 |
| Ancient Greek Words | 0 | - | 4.92 | 106,450 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,410 |
| History of Italy | 0 | - | 4.54 | 31,204 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 53,359 |
| The Vikings! | 0 | - | 4.46 | 27,900 |
| Sweden Immigration by Country | 0 | - | 4.61 | 53,351 |
| The Portuguese Empire | 0 | - | 4.54 | 11,768 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,632 |
| American to British Word Translation | 0 | - | 4.02 | 114,970 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,006 |
| United Kingdom A-Z | 0 | - | 4.53 | 85,262 |
| Beatles Lyrics First Names | 0 | - | 4.35 | 33,485 |
| Beatles Songs by Synonyms | 0 | - | 4.72 | 38,801 |
| Champions League Top 4 | 0 | - | 4.70 | 124,860 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 91,040 |
| Countries by National Anthem | 0 | - | 4.93 | 70,184 |
| Countries of Africa | 0 | - | 5.00 | 2,389,127 |
| Australia Map Quiz | 0 | - | 4.94 | 335,534 |
| United States Map Quiz | 0 | - | 4.98 | 4,072,909 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 354,015 |
| European Geography By Letter - E | 0 | - | 4.22 | 109,703 |
| European Geography By Letter - F | 0 | - | 4.18 | 89,261 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,976 |
| European Geography By Letter - G | 0 | - | 4.25 | 98,983 |
| European Geography By Letter - I | 0 | - | 4.11 | 92,467 |
| European Geography By Letter - K | 0 | - | 4.15 | 67,299 |
| European Geography By Letter - O | 0 | - | 4.29 | 60,280 |
| European Geography by Letter - W | 0 | - | 4.21 | 80,959 |
| European Geography By Letter - T | 0 | - | 4.40 | 73,476 |
| Europe Geography Quiz #3 | 0 | - | 4.33 | 62,354 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 49,049 |
| European Geography A-Z | 0 | - | 4.31 | 47,906 |
| Austria... or Australia? | 0 | - | 4.73 | 101,939 |
| Word Chain - France | 0 | - | 4.37 | 41,822 |
| Ancient Greek Trivia | 0 | - | 4.61 | 65,616 |
| Can You Name All Of One Direction's Songs? | 0 | - | 4.54 | 93,844 |
| Italian Foods | 0 | - | 4.30 | 69,661 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,042 |
| The Mafia Quiz | 0 | - | 4.46 | 22,728 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 421,024 |
| History of The Netherlands | 0 | - | 4.45 | 16,745 |
| Famous Nordic People | 0 | - | 4.41 | 11,025 |
| Canary Islands | 0 | - | 4.61 | 17,115 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 27,037 |
| British Spellings Quiz | 0 | - | 4.07 | 97,961 |
| British Groups of Things | 0 | - | 4.25 | 82,108 |
| British Acronyms | 0 | - | 4.39 | 44,940 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,551 |
| British Monopoly Board | 0 | - | 4.51 | 40,492 |
| Geography of Scotland | 0 | - | 4.63 | 20,834 |
| Beatles Songs by Synopsis | 0 | - | 4.30 | 31,648 |
| Viva la Vida Lyrics | 0 | - | 4.34 | 38,703 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,348,772 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 96,104 |
| Flags of Africa Quiz | 0 | - | 5.00 | 432,470 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 26,166 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 209,898 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 112,207 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 156,053 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 130,379 |
| Top African Languages on a Map | 0 | - | 4.92 | 66,582 |
| African Island Countries | 0 | - | 4.96 | 96,962 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 235,850 |
| Australian States and Territories | 0 | - | 4.96 | 136,875 |
| Australian Immigration by Country | 0 | - | 4.82 | 75,812 |
| Australia True or False | 0 | - | 4.87 | 55,006 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 338,883 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 110,655 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 139,255 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 121,128 |
| South America Map Quiz | 0 | - | 5.00 | 1,502,504 |
| Countries of North America Quiz | 0 | - | 5.00 | 965,817 |
| North America Map Quiz | 0 | - | 4.98 | 228,664 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 111,912 |
| Canada Provinces and Territories | 0 | - | 5.00 | 320,450 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 614,169 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 52,245 |
| Straight Shot to Antarctica | 0 | - | 4.93 | 40,773 |
