| England or Wales? | 0 | - | 4.94 | 45,808 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,486 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,718 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,783 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,719 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,688 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,344 |
| Official European Union Languages | 0 | - | 4.97 | 238,968 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,157 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,152 |
| Slavic Languages | 0 | - | 4.68 | 54,475 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,121 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,920 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,982 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,328 |
| Australia True or False | 0 | - | 4.87 | 56,961 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,434 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,548 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,428 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,313 |
| Germany True or False? | 0 | - | 4.61 | 48,895 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,211 |
| Italy True or False? | 0 | - | 4.42 | 47,492 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,697 |
| Champions League Winners | 0 | - | 4.92 | 1,010,136 |
| Celtic Nations | 0 | - | 4.69 | 47,002 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,971 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,410 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,013 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,348 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,073 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,023 |
| France Multiple Choice | 0 | - | 4.39 | 40,774 |
| States of Germany | 0 | - | 4.95 | 153,278 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,303 |
| Regions of Italy | 0 | - | 4.92 | 76,300 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,452 |
| Sweden True or False? | 0 | - | 4.53 | 40,389 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,458 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,429 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,758 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,591 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,656 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,982 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,425 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,693 |
| Lithuania Country Quiz | 0 | - | 4.61 | 31,685 |
| Latvia Country Quiz | 0 | - | 4.77 | 32,096 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,865 |
| Departments of France | 0 | - | 4.93 | 54,507 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,620 |
| Spain True or False? | 0 | - | 4.58 | 30,686 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,061 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,817 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,652 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,676 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,895 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,678 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,376 |
| French History Multiple Choice | 0 | - | 4.55 | 33,132 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,214 |
| The Trojan War | 0 | - | 4.83 | 39,807 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,039 |
| Name that Greek Letter | 0 | - | 4.93 | 324,213 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,280 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,666 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,663 |
| Roman Emperors | 0 | - | 4.95 | 120,427 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,517 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,824 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,439 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,374 |
| History of Russia Quiz | 0 | - | 4.47 | 31,957 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,994 |
| Ancient Greek Words | 0 | - | 4.93 | 111,934 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,548 |
| History of Italy | 0 | - | 4.55 | 32,061 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 43,047 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,723 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,301 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,119 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,132 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,741 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,012 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,404 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,808 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,355 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,027 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,353 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,223 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,033 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,302 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,863 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,218 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,361 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,021 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,311 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,304 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,906 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,558 |
| Capitals of French Regions | 0 | - | 4.45 | 16,117 |
| Regions of France | 0 | - | 4.72 | 121,281 |
| France Immigration by Country | 0 | - | 4.70 | 76,694 |
| Famous Germans | 0 | - | 4.50 | 55,542 |
| German Groups of Things | 0 | - | 4.46 | 38,529 |
| Capitals of German States | 0 | - | 4.74 | 28,990 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,404 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,154 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,834 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,134 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,286 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,510 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,346 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,466 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,497 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,727 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,740 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,634 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,105 |
| Australian Capitals | 0 | - | 4.92 | 62,759 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,900 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,285 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,631 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,482 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,170 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,911 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,550 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,029 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,160 |
| European Physical Geography | 0 | - | 4.26 | 33,542 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,753 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,461 |
| European Geography A-Z | 0 | - | 4.29 | 49,370 |
| Geography of Russia | 0 | - | 4.57 | 21,556 |
| History of Austria | 0 | - | 4.70 | 17,911 |
| Austria... or Australia? | 0 | - | 4.68 | 104,515 |
| Famous French People | 0 | - | 4.07 | 35,872 |
| Geography of the French Empire | 0 | - | 4.45 | 27,157 |
| Word Chain - France | 0 | - | 4.38 | 42,849 |
| The French Revolution | 0 | - | 4.47 | 24,066 |
| History of France | 0 | - | 4.59 | 57,292 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,083 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,951 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,847 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,782 |
| Italian Foods | 0 | - | 4.30 | 72,956 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,429 |
| The Mafia Quiz | 0 | - | 4.46 | 23,374 |
| Byzantine History | 0 | - | 4.91 | 28,920 |
| Byzantine Emperors | 0 | - | 4.92 | 14,379 |
| History of The Netherlands | 0 | - | 4.46 | 17,489 |
| The Vikings! | 0 | - | 4.46 | 28,371 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,219 |
| The Portuguese Empire | 0 | - | 4.58 | 12,086 |
| Canary Islands | 0 | - | 4.62 | 17,494 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,122 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,836 |
| American to British Word Translation | 0 | - | 4.14 | 139,338 |
| British Spellings | 0 | - | 4.06 | 99,512 |
| British Groups of Things | 0 | - | 4.25 | 82,916 |
| British Acronyms | 0 | - | 4.40 | 45,856 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,954 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,171 |
| British Monopoly Board | 0 | - | 4.52 | 41,197 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,379 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,964 |
| Geography of Scotland | 0 | - | 4.63 | 21,665 |
| Champions League Top 4 | 0 | - | 4.77 | 137,365 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,820 |
| Asia Map Quiz | 0 | - | 4.99 | 919,950 |
| Afghanistan True or False? | 0 | - | 4.54 | 25,427 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,168 |
| Pasta... or Composer? | 0 | - | 4.63 | 26,744 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,964 |
| Australian States and Territories | 0 | - | 4.96 | 142,263 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,371 |
| Australia Map Quiz | 0 | - | 4.95 | 345,244 |
| Flags of North and South America | 0 | - | 4.99 | 374,465 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,727 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,424 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,137 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,971 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,644 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,156 |
| North America Map Quiz | 0 | - | 4.98 | 249,566 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,812 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,802 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,855 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,320 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,862 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,746 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,968 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,066 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,594 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,356 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,635 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,249,055 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,113 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,017 |
