| European Countries by First 2 Letters | 0 | - | 4.96 | 521,349 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 67,702 |
| Official European Union Languages | 0 | - | 4.98 | 234,112 |
| European Countries in their Native Language | 0 | - | 4.99 | 155,404 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 420,450 |
| Slavic Languages | 0 | - | 4.68 | 53,410 |
| Europe Geography Decoder | 0 | - | 4.86 | 68,732 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,484 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 41,168 |
| Add A Letter - Make a European City | 0 | - | 4.89 | 22,970 |
| Celtic Nations | 0 | - | 4.69 | 46,591 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,299 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.84 | 86,051 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 305,048 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 161,437 |
| Germany Multiple Choice | 0 | - | 4.83 | 53,565 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 341,722 |
| Catholic Countries in Europe | 0 | - | 4.83 | 92,927 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 57,600 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 74,683 |
| Category Elimination - European Geography #3 | 0 | - | 4.87 | 78,002 |
| Federal Subjects of Russia | 0 | - | 4.95 | 139,892 |
| States of Germany | 0 | - | 4.95 | 146,092 |
| Germany Immigration by Country | 0 | - | 4.84 | 78,822 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 30,749 |
| Regions of Italy | 0 | - | 4.92 | 72,664 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 42,728 |
| Regions of Spain Quiz | 0 | - | 4.89 | 110,049 |
| Cantons of Switzerland | 0 | - | 4.97 | 48,703 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,179 |
| Champions League Winners | 0 | - | 4.92 | 982,301 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,166 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,487 |
| Word Scramble - European Countries | 0 | - | 4.73 | 138,595 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 110,015 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 226,759 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 270,723 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 162,372 |
| Departments of France | 0 | - | 4.92 | 50,107 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,205 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,035 |
| Spanish Immigration by Country | 0 | - | 4.61 | 54,882 |
| England or Wales? | 0 | - | 4.94 | 44,804 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 126,092 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 264,160 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 63,797 |
| French Geography Quiz #1 | 0 | - | 4.88 | 34,151 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 274,618 |
| Top European Languages on a Map | 0 | - | 4.77 | 129,708 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 632,396 |
| Name that Greek Letter | 0 | - | 4.94 | 318,711 |
| Italy Multiple Choice | 0 | - | 4.74 | 102,161 |
| Geography of the Dutch Empire | 0 | - | 4.69 | 34,202 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,742 |
| Europe Map Quiz | 0 | - | 5.00 | 4,682,472 |
| Four Letter European Geography #1 | 0 | - | 4.45 | 26,392 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 19,006 |
| Capitals of French Regions | 0 | - | 4.44 | 15,838 |
| Capitals of German States | 0 | - | 4.74 | 28,589 |
| Chancellors of Germany, 1949–present | 0 | - | 4.58 | 22,755 |
| The Trojan War | 0 | - | 4.82 | 38,901 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.83 | 108,244 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 83,075 |
| Roman Emperors | 0 | - | 4.96 | 115,431 |
| Africa Map Quiz | 0 | - | 5.00 | 2,085,627 |
| Oceania Map Quiz | 0 | - | 4.98 | 624,587 |
| Australian Capitals | 0 | - | 4.92 | 62,384 |
| European Geography By Letter - A | 0 | - | 4.56 | 131,428 |
| European Geography By Letter - B #1 | 0 | - | 4.70 | 109,864 |
| European Geography By Letter - C | 0 | - | 4.46 | 110,996 |
| European Geography By Letter - D | 0 | - | 4.50 | 105,707 |
| European Geography By Letter - L | 0 | - | 4.52 | 111,194 |
| European Geography By Letter - M | 0 | - | 4.53 | 127,200 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 95,482 |
| European Geography By Letter - N | 0 | - | 4.44 | 98,901 |
| European Geography By Letter - R | 0 | - | 4.41 | 91,836 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,515 |
| European Geography By Letter - T | 0 | - | 4.41 | 80,208 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 70,549 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,128 |
| Europe Geography Quiz #4 | 0 | - | 4.56 | 69,514 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,575 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 98,812 |
| Regions of France | 0 | - | 4.77 | 116,619 |
| France Immigration by Country | 0 | - | 4.73 | 75,189 |
| Famous Germans | 0 | - | 4.50 | 53,804 |
| German Groups of Things | 0 | - | 4.46 | 38,057 |
| Germany True or False? | 0 | - | 4.61 | 48,144 |
| Largest Islands of Greece | 0 | - | 4.58 | 46,552 |
| Olympian Gods Quiz | 0 | - | 4.96 | 480,584 |
| Famous Italians by Clue | 0 | - | 4.45 | 87,108 |
| Provinces of the Netherlands | 0 | - | 4.80 | 39,733 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,830 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 100,885 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,427,756 |
| Asia Map Quiz | 0 | - | 4.99 | 891,531 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 44,179 |
| African East Coast | 0 | - | 4.96 | 93,600 |
| Western Africa Map Quiz | 0 | - | 4.97 | 71,531 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 48,527 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 206,389 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 91,432 |
| Countries That Use the Euro | 0 | - | 4.96 | 99,733 |
| European Physical Geography | 0 | - | 4.26 | 33,196 |
| 10 Easternmost Countries in Europe | 0 | - | 4.88 | 110,844 |
| Country Codes of Europe | 0 | - | 3.44 | 13,504 |
| The Only European Country ... | 0 | - | 4.92 | 208,491 |
| European Countries NOT in NATO | 0 | - | 4.89 | 56,980 |
| History of Russia Quiz | 0 | - | 4.50 | 31,596 |
| Geography of Russia | 0 | - | 4.57 | 21,273 |
| History of Austria | 0 | - | 4.70 | 17,544 |
| Presidents of France | 0 | - | 4.25 | 23,424 |
| Geography of the French Empire | 0 | - | 4.51 | 26,621 |
| The French Revolution | 0 | - | 4.46 | 23,366 |
| France Multiple Choice | 0 | - | 4.38 | 40,422 |
| History of France | 0 | - | 4.58 | 44,385 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.42 | 23,207 |
| Ancient Greek Words | 0 | - | 4.92 | 109,025 |
| History of Italy | 0 | - | 4.55 | 31,559 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 54,688 |
| The Vikings! | 0 | - | 4.46 | 28,111 |
| Sweden Immigration by Country | 0 | - | 4.54 | 55,165 |
| The Portuguese Empire | 0 | - | 4.54 | 11,892 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,844 |
| American to British Word Translation | 0 | - | 4.05 | 116,310 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,432 |
| United Kingdom A-Z | 0 | - | 4.53 | 86,594 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,114 |
| Beatles Songs Quiz | 0 | - | 4.97 | 230,376 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 288,285 |
| Champions League Top 4 | 0 | - | 4.74 | 130,165 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 95,059 |
| Countries of Africa | 0 | - | 5.00 | 2,462,273 |
| Australia Map Quiz | 0 | - | 4.94 | 339,679 |
| United States Map Quiz | 0 | - | 4.98 | 4,118,771 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 359,294 |
| European Geography By Letter - E | 0 | - | 4.23 | 111,308 |
| European Geography By Letter - F | 0 | - | 4.16 | 90,784 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,227 |
| European Geography By Letter - G | 0 | - | 4.25 | 100,516 |
| European Geography By Letter - I | 0 | - | 4.10 | 93,889 |
| European Geography By Letter - K | 0 | - | 4.14 | 68,591 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,414 |
| European Geography by Letter - W | 0 | - | 4.20 | 81,896 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 62,988 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,084 |
| European Geography A-Z | 0 | - | 4.27 | 48,597 |
| Austria... or Australia? | 0 | - | 4.68 | 103,121 |
| Word Chain - France | 0 | - | 4.38 | 42,294 |
| Ancient Greek Trivia | 0 | - | 4.61 | 66,311 |
| Italian Foods | 0 | - | 4.30 | 71,293 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,601 |
| The Mafia Quiz | 0 | - | 4.46 | 23,045 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 427,601 |
| History of The Netherlands | 0 | - | 4.46 | 17,087 |
| Canary Islands | 0 | - | 4.61 | 17,284 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 28,369 |
| British Spellings Quiz | 0 | - | 4.08 | 98,448 |
| British Groups of Things | 0 | - | 4.25 | 82,472 |
| British Acronyms | 0 | - | 4.39 | 45,350 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,800 |
| British Monopoly Board | 0 | - | 4.51 | 40,816 |
| Geography of Scotland | 0 | - | 4.63 | 21,235 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,365,577 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 97,358 |
| Flags of Africa Quiz | 0 | - | 5.00 | 450,797 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 213,385 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 114,193 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 158,369 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 133,882 |
| Top African Languages on a Map | 0 | - | 4.92 | 70,139 |
| African Island Countries | 0 | - | 4.96 | 99,332 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 239,588 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 31,673 |
| Australian States and Territories | 0 | - | 4.95 | 139,162 |
| Australian Immigration by Country | 0 | - | 4.81 | 76,555 |
| Australia True or False | 0 | - | 4.87 | 55,975 |
| Flags of North and South America | 0 | - | 4.99 | 350,884 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 111,571 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 142,082 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 126,055 |
| South America Map Quiz | 0 | - | 5.00 | 1,527,928 |
| Countries of North America Quiz | 0 | - | 5.00 | 995,069 |
| North America Map Quiz | 0 | - | 4.98 | 238,551 |
| Third Most Common Language by U.S. State | 0 | - | 4.89 | 112,865 |
| Canada Provinces and Territories | 0 | - | 5.00 | 330,383 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 627,564 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 53,750 |
| Straight Shot to Antarctica | 0 | - | 4.93 | 41,908 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,197,942 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,305,368 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 189,800 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 148,564 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 212,945 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 85,512 |
| Name a Major European City A-Z | 0 | - | 4.33 | 48,419 |
| Seas of Europe | 0 | - | 4.36 | 83,342 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 65,162 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 86,681 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 125,558 |
