| England or Wales? | 0 | - | 4.94 | 45,804 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,480 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,606 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,778 |
| Australia... or New Zealand? | 0 | - | 4.83 | 61,711 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,606 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,332 |
| Official European Union Languages | 0 | - | 4.97 | 238,933 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,139 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,070 |
| Slavic Languages | 0 | - | 4.68 | 54,469 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,112 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,916 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,963 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,227 |
| Australia True or False | 0 | - | 4.87 | 56,954 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,431 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,541 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,239 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,075 |
| Germany True or False? | 0 | - | 4.61 | 48,893 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,199 |
| Italy True or False? | 0 | - | 4.42 | 47,491 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,694 |
| Champions League Winners | 0 | - | 4.92 | 1,009,962 |
| Celtic Nations | 0 | - | 4.69 | 46,997 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,936 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,394 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,769 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,317 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,019 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,019 |
| France Multiple Choice | 0 | - | 4.39 | 40,774 |
| States of Germany | 0 | - | 4.95 | 153,223 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,289 |
| Regions of Italy | 0 | - | 4.92 | 76,242 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,430 |
| Sweden True or False? | 0 | - | 4.53 | 40,387 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,416 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,419 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,756 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,590 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,644 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,936 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,390 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,640 |
| Lithuania Country Quiz | 0 | - | 4.61 | 31,681 |
| Latvia Country Quiz | 0 | - | 4.77 | 32,088 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,856 |
| Departments of France | 0 | - | 4.93 | 54,471 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,617 |
| Spain True or False? | 0 | - | 4.58 | 30,684 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,008 |
| North Korea... or South Korea? | 0 | - | 4.47 | 80,805 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,646 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,675 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,883 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,622 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,364 |
| French History Multiple Choice | 0 | - | 4.55 | 33,128 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,206 |
| The Trojan War | 0 | - | 4.83 | 39,799 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,921 |
| Name that Greek Letter | 0 | - | 4.93 | 324,181 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,256 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,665 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,655 |
| Roman Emperors | 0 | - | 4.95 | 120,404 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,515 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,823 |
| Canada Multiple Choice Quiz | 0 | - | 4.50 | 49,433 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,357 |
| History of Russia Quiz | 0 | - | 4.47 | 31,952 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,924 |
| Ancient Greek Words | 0 | - | 4.93 | 111,916 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,516 |
| History of Italy | 0 | - | 4.55 | 32,054 |
| Ancient Rome - True or False? | 0 | - | 4.85 | 43,040 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,721 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,298 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,057 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,110 |
| Japan Multiple Choice | 0 | - | 4.48 | 40,734 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,974 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,374 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,769 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,324 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,991 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,324 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,203 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,013 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,286 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,838 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,508 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,354 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,009 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,301 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,296 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,888 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,549 |
| Capitals of French Regions | 0 | - | 4.45 | 16,112 |
| Regions of France | 0 | - | 4.72 | 121,258 |
| France Immigration by Country | 0 | - | 4.70 | 76,684 |
| Famous Germans | 0 | - | 4.50 | 55,536 |
| German Groups of Things | 0 | - | 4.46 | 38,526 |
| Capitals of German States | 0 | - | 4.74 | 28,990 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,402 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,142 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,807 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,043 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,280 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,501 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,340 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,445 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,493 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,720 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,706 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,604 |
| Oceania Map Quiz | 0 | - | 4.98 | 653,145 |
| Australian Capitals | 0 | - | 4.92 | 62,754 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,703 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,254 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,611 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,458 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,149 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,890 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,528 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,011 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,147 |
| European Physical Geography | 0 | - | 4.26 | 33,542 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,749 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,442 |
| European Geography A-Z | 0 | - | 4.29 | 49,366 |
| Geography of Russia | 0 | - | 4.57 | 21,555 |
| History of Austria | 0 | - | 4.70 | 17,905 |
| Austria... or Australia? | 0 | - | 4.68 | 104,507 |
| Famous French People | 0 | - | 4.07 | 35,856 |
| Geography of the French Empire | 0 | - | 4.45 | 27,155 |
| Word Chain - France | 0 | - | 4.38 | 42,845 |
| The French Revolution | 0 | - | 4.47 | 24,064 |
| History of France | 0 | - | 4.59 | 57,277 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,077 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,947 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 20,840 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,739 |
| Italian Foods | 0 | - | 4.30 | 72,940 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,419 |
| The Mafia Quiz | 0 | - | 4.46 | 23,371 |
| Byzantine History | 0 | - | 4.91 | 28,919 |
| Byzantine Emperors | 0 | - | 4.92 | 14,368 |
| History of The Netherlands | 0 | - | 4.46 | 17,484 |
| The Vikings! | 0 | - | 4.46 | 28,368 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,213 |
| The Portuguese Empire | 0 | - | 4.58 | 12,082 |
| Canary Islands | 0 | - | 4.62 | 17,492 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,087 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,834 |
| American to British Word Translation | 0 | - | 4.14 | 139,319 |
| British Spellings | 0 | - | 4.06 | 99,509 |
| British Groups of Things | 0 | - | 4.25 | 82,912 |
| British Acronyms | 0 | - | 4.40 | 45,852 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,947 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,056 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,160 |
| British Monopoly Board | 0 | - | 4.52 | 41,194 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,374 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,941 |
| Geography of Scotland | 0 | - | 4.63 | 21,659 |
| Champions League Top 4 | 0 | - | 4.77 | 137,306 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,760 |
| Asia Map Quiz | 0 | - | 4.99 | 919,781 |
| Afghanistan True or False? | 0 | - | 4.54 | 25,427 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,909 |
| Pasta... or Composer? | 0 | - | 4.63 | 26,742 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,941 |
| Australian States and Territories | 0 | - | 4.96 | 142,242 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,367 |
| Australia Map Quiz | 0 | - | 4.95 | 345,182 |
| Flags of North and South America | 0 | - | 4.99 | 374,378 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,719 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,406 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,124 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,843 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,640 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,025,907 |
| North America Map Quiz | 0 | - | 4.98 | 249,492 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,808 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,707 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,738 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,310 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,823 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,743 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,965 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,063 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,582 |
| Sahel Countries on a Map | 0 | - | 4.99 | 21,355 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,589 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,248,725 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,057 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,787 |
