| European Countries by First 2 Letters | 0 | - | 4.95 | 527,854 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,861 |
| Official European Union Languages | 0 | - | 4.97 | 237,689 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,334 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,601 |
| Slavic Languages | 0 | - | 4.68 | 54,153 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,754 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,671 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,317 |
| Celtic Nations | 0 | - | 4.69 | 46,873 |
| History of Russia Quiz | 0 | - | 4.49 | 31,847 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,643 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,112 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,386 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,541 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,755 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,536 |
| Slavic Countries | 0 | - | 4.96 | 111,273 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,200 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,765 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,622 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,627 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,611 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,297 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,705 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,356 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,350 |
| Geography of Russia | 0 | - | 4.57 | 21,484 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,544 |
| States of Germany | 0 | - | 4.96 | 151,130 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,551 |
| Regions of Italy | 0 | - | 4.92 | 75,230 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 48,998 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,204 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,757 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,622 |
| Champions League Winners | 0 | - | 4.92 | 1,000,898 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,512 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,627 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,308 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,888 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,840 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,764 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,129 |
| Departments of France | 0 | - | 4.93 | 53,333 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,525 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,446 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,361 |
| England or Wales? | 0 | - | 4.94 | 45,496 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,286 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,426 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,146 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,638 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,187 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,597 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,705 |
| Name that Greek Letter | 0 | - | 4.93 | 322,584 |
| History of Italy | 0 | - | 4.55 | 31,906 |
| Italy Multiple Choice | 0 | - | 4.73 | 103,458 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,569 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,100 |
| Europe Map Quiz | 0 | - | 5.00 | 4,746,545 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,252 |
| Word Chain - Russia | 0 | - | 4.33 | 15,725 |
| Capitals of French Regions | 0 | - | 4.45 | 16,019 |
| Capitals of German States | 0 | - | 4.74 | 28,895 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,206 |
| The Trojan War | 0 | - | 4.83 | 39,574 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,191 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,292 |
| Roman Emperors | 0 | - | 4.95 | 119,259 |
| Africa Map Quiz | 0 | - | 5.00 | 2,110,917 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,691 |
| Australian Capitals | 0 | - | 4.92 | 62,660 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,692 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,138 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,117 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,995 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,451 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,344 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,035 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,815 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,445 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,617 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,140 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,785 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,083 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,125 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,802 |
| Regions of France | 0 | - | 4.77 | 119,990 |
| France Immigration by Country | 0 | - | 4.72 | 76,220 |
| Famous Germans | 0 | - | 4.50 | 54,849 |
| German Groups of Things | 0 | - | 4.46 | 38,384 |
| Germany True or False? | 0 | - | 4.61 | 48,664 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,732 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,482 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,905 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,071 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,157 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,848 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,444,039 |
| Asia Map Quiz | 0 | - | 4.99 | 911,102 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,284 |
| African East Coast | 0 | - | 4.96 | 95,542 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,367 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,214 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,123 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,474 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,984 |
| European Physical Geography | 0 | - | 4.26 | 33,427 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,347 |
| Country Codes of Europe | 0 | - | 3.46 | 13,676 |
| The Only European Country ... | 0 | - | 4.91 | 215,205 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,354 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 27,908 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,860 |
| History of Austria | 0 | - | 4.70 | 17,807 |
| Presidents of France | 0 | - | 4.25 | 23,985 |
| Geography of the French Empire | 0 | - | 4.45 | 26,999 |
| The French Revolution | 0 | - | 4.46 | 23,866 |
| France Multiple Choice | 0 | - | 4.38 | 40,685 |
| History of France | 0 | - | 4.59 | 56,643 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,423 |
| Ancient Greek Words | 0 | - | 4.93 | 111,121 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,842 |
| The Vikings! | 0 | - | 4.46 | 28,290 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,893 |
| The Portuguese Empire | 0 | - | 4.58 | 12,030 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,993 |
| American to British Word Translation | 0 | - | 4.13 | 138,320 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,817 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,454 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,466 |
| Name Every Beatles Song | 0 | - | 4.97 | 235,090 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,161 |
| Champions League Top 4 | 0 | - | 4.77 | 134,998 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 98,222 |
| Countries of Africa | 0 | - | 5.00 | 2,521,931 |
| Australia Map Quiz | 0 | - | 4.94 | 343,314 |
| United States Map Quiz | 0 | - | 4.98 | 4,148,787 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,263 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,443 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,864 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,111 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,729 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,681 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,366 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,093 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,434 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,533 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,659 |
| European Geography A-Z | 0 | - | 4.29 | 49,117 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,268 |
| Austria... or Australia? | 0 | - | 4.68 | 104,113 |
| Word Chain - France | 0 | - | 4.38 | 42,679 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,871 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,844 |
| Italian Foods | 0 | - | 4.31 | 72,470 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,157 |
| The Mafia Quiz | 0 | - | 4.46 | 23,254 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 435,194 |
| History of The Netherlands | 0 | - | 4.46 | 17,364 |
| Canary Islands | 0 | - | 4.61 | 17,439 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,427 |
| British Spellings | 0 | - | 4.06 | 99,358 |
| British Groups of Things | 0 | - | 4.25 | 82,780 |
| British Acronyms | 0 | - | 4.39 | 45,708 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,994 |
| British Monopoly Board | 0 | - | 4.52 | 41,099 |
| Geography of Scotland | 0 | - | 4.63 | 21,553 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,379,218 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,655 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,038 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,252 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,914 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,701 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,855 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,783 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,233 |
| African Island Countries | 0 | - | 4.96 | 101,180 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 242,658 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 32,988 |
| Australian States and Territories | 0 | - | 4.96 | 141,384 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,148 |
| Australia True or False | 0 | - | 4.87 | 56,681 |
| Flags of North and South America | 0 | - | 4.99 | 370,255 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,410 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,538 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 128,871 |
| South America Map Quiz | 0 | - | 5.00 | 1,544,713 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,017,430 |
| North America Map Quiz | 0 | - | 4.98 | 246,673 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,549 |
| Canada Provinces and Territories | 0 | - | 5.00 | 339,931 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 637,922 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,877 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,690 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,942 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,616 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,169 |
