| European Countries by First 2 Letters | 0 | - | 4.96 | 509,536 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 65,170 |
| Official European Union Languages | 0 | - | 4.98 | 228,036 |
| European Countries in their Native Language | 0 | - | 4.99 | 151,189 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 409,418 |
| Slavic Languages | 0 | - | 4.65 | 51,760 |
| Europe Geography Decoder | 0 | - | 4.85 | 67,041 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 40,696 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 40,150 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,345 |
| Celtic Nations | 0 | - | 4.74 | 46,011 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,580 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.84 | 84,011 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 298,610 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 144,370 |
| Germany Multiple Choice | 0 | - | 4.83 | 52,050 |
| Catholic Countries in Europe | 0 | - | 4.83 | 89,881 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,379 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 65,672 |
| Category Elimination - European Geography #3 | 0 | - | 4.83 | 73,931 |
| Federal Subjects of Russia | 0 | - | 4.93 | 129,690 |
| States of Germany | 0 | - | 4.94 | 138,140 |
| Germany Immigration by Country | 0 | - | 4.86 | 75,630 |
| States of the German Confederation in 1848 | 0 | - | 4.85 | 29,360 |
| Counties of Ireland | 0 | - | 4.90 | 175,953 |
| Regions of Italy | 0 | - | 4.91 | 68,026 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 35,039 |
| Regions of Spain Quiz | 0 | - | 4.89 | 104,669 |
| Cantons of Switzerland | 0 | - | 4.97 | 45,394 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,555 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.96 | 309,839 |
| Champions League Winners | 0 | - | 4.91 | 948,231 |
| Slovakia... or Slovenia? | 0 | - | 4.70 | 40,862 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,234 |
| Word Scramble - European Countries | 0 | - | 4.74 | 135,602 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 103,572 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 217,730 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 263,186 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 155,635 |
| Departments of France | 0 | - | 4.88 | 44,730 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,576 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,168 |
| Spanish Immigration by Country | 0 | - | 4.63 | 54,076 |
| England or Wales? | 0 | - | 4.94 | 43,277 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 120,861 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 258,000 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 61,352 |
| French Geography Quiz #1 | 0 | - | 4.87 | 33,110 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 268,315 |
| Top European Languages on a Map | 0 | - | 4.78 | 126,022 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 615,154 |
| Italy Multiple Choice | 0 | - | 4.74 | 99,575 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,569 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,181 |
| Europe Map Quiz | 0 | - | 5.00 | 4,553,912 |
| Four Letter European Geography #1 | 0 | - | 4.48 | 24,277 |
| Capitals of French Regions | 0 | - | 4.42 | 15,499 |
| Capitals of German States | 0 | - | 4.73 | 28,183 |
| Chancellors of Germany, 1949–present | 0 | - | 4.57 | 22,017 |
| The Trojan War | 0 | - | 4.81 | 37,816 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.83 | 102,822 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 75,119 |
| Roman Emperors | 0 | - | 4.96 | 109,546 |
| Africa Map Quiz | 0 | - | 5.00 | 2,034,500 |
| Oceania Map Quiz | 0 | - | 4.98 | 605,047 |
| Australian Capitals | 0 | - | 4.92 | 61,875 |
| European Geography By Letter - A | 0 | - | 4.61 | 128,713 |
| European Geography By Letter - B #1 | 0 | - | 4.73 | 107,487 |
| European Geography By Letter - C | 0 | - | 4.46 | 108,761 |
| European Geography By Letter - D | 0 | - | 4.51 | 103,518 |
| European Geography By Letter - L | 0 | - | 4.52 | 108,953 |
| European Geography By Letter - M | 0 | - | 4.53 | 118,045 |
| European Geography By Letter - P | 0 | - | 4.79 | 93,326 |
| European Geography By Letter - N | 0 | - | 4.43 | 96,777 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,203 |
| European Geography By Letter - V | 0 | - | 4.46 | 89,564 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,432 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 69,989 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,508 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 59,724 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 96,861 |
| Regions of France | 0 | - | 4.70 | 111,200 |
| France Immigration by Country | 0 | - | 4.77 | 73,311 |
| Famous Germans | 0 | - | 4.44 | 40,005 |
| German Groups of Things | 0 | - | 4.46 | 37,429 |
| Germany True or False? | 0 | - | 4.63 | 46,845 |
| Largest Islands of Greece | 0 | - | 4.58 | 44,456 |
| Olympian Gods Quiz | 0 | - | 4.96 | 471,711 |
| Name that Greek Letter | 0 | - | 4.94 | 311,035 |
| Famous Italians | 0 | - | 4.41 | 70,613 |
| Provinces of the Netherlands | 0 | - | 4.75 | 37,202 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,169 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 97,869 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,399,393 |
| Asia Map Quiz | 0 | - | 4.99 | 855,949 |
| African East Coast | 0 | - | 4.96 | 90,407 |
| Western Africa Map Quiz | 0 | - | 4.97 | 68,080 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 45,781 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 201,777 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 89,452 |
| Countries That Use the Euro | 0 | - | 4.93 | 75,893 |
| European Physical Geography | 0 | - | 4.24 | 32,781 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 104,474 |
| Country Codes of Europe | 0 | - | 3.40 | 13,267 |
| The Only European Country ... | 0 | - | 4.92 | 197,942 |
| History of Russia Quiz | 0 | - | 4.48 | 31,102 |
| Geography of Russia | 0 | - | 4.56 | 20,895 |
| History of Austria | 0 | - | 4.69 | 17,155 |
| Presidents of France | 0 | - | 4.24 | 22,208 |
| Geography of the French Empire | 0 | - | 4.51 | 26,192 |
| The French Revolution | 0 | - | 4.45 | 22,862 |
| France Multiple Choice | 0 | - | 4.37 | 39,929 |
| History of France Quiz | 0 | - | 4.56 | 41,697 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 22,820 |
| Ancient Greek Words | 0 | - | 4.92 | 105,389 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,266 |
| History of Italy | 0 | - | 4.53 | 31,045 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 52,769 |
| The Vikings! | 0 | - | 4.46 | 27,787 |
| Sweden Immigration by Country | 0 | - | 4.64 | 44,919 |
| The Portuguese Empire | 0 | - | 4.54 | 11,702 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,536 |
| Languages of the United Kingdom | 0 | - | 4.13 | 39,795 |
| United Kingdom A-Z | 0 | - | 4.53 | 84,678 |
| Beatles Songs Quiz | 0 | - | 4.96 | 223,287 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 283,693 |
| Champions League Top 4 | 0 | - | 4.62 | 122,411 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 89,659 |
| Countries of Africa | 0 | - | 5.00 | 2,356,670 |
| Australia Map Quiz | 0 | - | 4.94 | 333,597 |
| United States Map Quiz | 0 | - | 4.98 | 4,052,995 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 351,112 |
| European Geography By Letter - E | 0 | - | 4.22 | 109,200 |
| European Geography By Letter - F | 0 | - | 4.18 | 88,829 |
| European Geography By Letter - H | 0 | - | 4.29 | 92,338 |
| European Geography By Letter - G | 0 | - | 4.26 | 98,541 |
| European Geography By Letter - I | 0 | - | 4.11 | 92,030 |
| European Geography By Letter - K | 0 | - | 4.15 | 66,891 |
| European Geography By Letter - O | 0 | - | 4.29 | 59,909 |
| European Geography by Letter - W | 0 | - | 4.21 | 80,640 |
| European Geography By Letter - T | 0 | - | 4.40 | 73,122 |
| Europe Geography Quiz #3 | 0 | - | 4.33 | 62,026 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 48,730 |
| European Geography A-Z | 0 | - | 4.31 | 47,516 |
| Austria... or Australia? | 0 | - | 4.74 | 101,553 |
| Word Chain - France | 0 | - | 4.37 | 41,601 |
| Ancient Greek Trivia | 0 | - | 4.56 | 65,302 |
| Italian Foods | 0 | - | 4.30 | 68,939 |
| Countries Italy Declared War On | 0 | - | 4.75 | 41,821 |
| The Mafia Quiz | 0 | - | 4.46 | 22,567 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 418,345 |
| History of The Netherlands | 0 | - | 4.45 | 16,572 |
| Famous Nordic People | 0 | - | 4.41 | 10,965 |
| Canary Islands | 0 | - | 4.61 | 17,022 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 26,176 |
| British Spellings Quiz | 0 | - | 4.07 | 97,696 |
| British Groups of Things | 0 | - | 4.25 | 81,935 |
| British Acronyms | 0 | - | 4.39 | 44,733 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,414 |
| British Monopoly Board | 0 | - | 4.51 | 40,321 |
| English Monarchs in Order by First Letter | 0 | - | 4.41 | 28,602 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,340,042 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 95,560 |
| Flags of Africa Quiz | 0 | - | 5.00 | 425,920 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 25,381 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 208,500 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 111,381 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 154,820 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 128,980 |
| Top African Languages on a Map | 0 | - | 4.92 | 64,698 |
| African Island Countries | 0 | - | 4.96 | 96,035 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 234,184 |
| Australian States and Territories | 0 | - | 4.96 | 135,847 |
| Australian Immigration by Country | 0 | - | 4.82 | 75,511 |
| Australia True or False | 0 | - | 4.87 | 54,676 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 334,932 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 110,263 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 138,466 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 119,496 |
| South America Map Quiz | 0 | - | 5.00 | 1,491,855 |
| Countries of North America Quiz | 0 | - | 5.00 | 953,664 |
| North America Map Quiz | 0 | - | 4.98 | 224,306 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 111,182 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 610,480 |
| Most Spoken Languages in Canada | 0 | - | 4.90 | 51,565 |
| Straight Shot to Antarctica | 0 | - | 4.92 | 40,361 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,133,283 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,269,315 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 185,844 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 145,500 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 203,513 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 82,947 |
| Name a Major European City A-Z | 0 | - | 4.32 | 46,723 |
| Seas of Europe | 0 | - | 4.34 | 81,821 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.94 | 60,098 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 82,684 |
| Eastern Europe Map Quiz | 0 | - | 4.90 | 121,893 |
| Slavic Countries | 0 | - | 4.96 | 106,572 |
| Famous Dutch and Belgian People | 0 | - | 4.53 | 17,421 |
| France A-Z | 0 | - | 4.18 | 37,198 |
