| European Countries by First 2 Letters | 0 | - | 4.95 | 530,715 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,681 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,344 |
| Official European Union Languages | 0 | - | 4.97 | 238,966 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,157 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,146 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,121 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,920 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,434 |
| Celtic Nations | 0 | - | 4.69 | 47,001 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,548 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,417 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,300 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,486 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,210 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,318 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,968 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,408 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,591 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,998 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,344 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,072 |
| States of Germany | 0 | - | 4.95 | 153,272 |
| 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 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,457 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,427 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,117 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,131 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,758 |
| Champions League Winners | 0 | - | 4.92 | 1,010,125 |
| 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 | 115,674 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,976 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,420 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,687 |
| Slavic Languages | 0 | - | 4.68 | 54,475 |
| Departments of France | 0 | - | 4.93 | 54,504 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,666 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,620 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,517 |
| England or Wales? | 0 | - | 4.94 | 45,807 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,057 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,656 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,864 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,738 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,633 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,373 |
| History of Russia Quiz | 0 | - | 4.47 | 31,957 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,783 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,035 |
| Name that Greek Letter | 0 | - | 4.93 | 324,209 |
| History of Italy | 0 | - | 4.55 | 32,060 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,982 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,723 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,301 |
| Wonderwall Lyrics | 0 | - | 4.25 | 73,882 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 46,966 |
| Europe Map Quiz | 0 | - | 5.00 | 4,772,159 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,557 |
| Capitals of French Regions | 0 | - | 4.45 | 16,117 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,375 |
| Capitals of German States | 0 | - | 4.74 | 28,990 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,403 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,214 |
| The Trojan War | 0 | - | 4.83 | 39,806 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,278 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,661 |
| Roman Emperors | 0 | - | 4.95 | 120,425 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,497 |
| A Quiz About The Beatles | 0 | - | 4.56 | 48,122 |
| Oceania Map Quiz | 0 | - | 4.98 | 654,049 |
| Australian Capitals | 0 | - | 4.92 | 62,759 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,012 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,403 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,805 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,354 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,026 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,351 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,223 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,032 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,301 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,861 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,361 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,020 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,310 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,303 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,905 |
| Regions of France | 0 | - | 4.72 | 121,280 |
| France Immigration by Country | 0 | - | 4.70 | 76,694 |
| Famous Germans | 0 | - | 4.50 | 55,541 |
| German Groups of Things | 0 | - | 4.46 | 38,529 |
| Germany True or False? | 0 | - | 4.61 | 48,895 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,154 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,989 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 126,545 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,833 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,510 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,345 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,463 |
| The UK for Americans - True or False | 0 | - | 4.43 | 58,697 |
| Imagine Lyrics | 0 | - | 4.53 | 43,416 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,818 |
| Asia Map Quiz | 0 | - | 4.99 | 919,939 |
| Africa Map Quiz | 0 | - | 5.00 | 2,122,138 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,962 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,860 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,745 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 28,066 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,632 |
| European Physical Geography | 0 | - | 4.26 | 33,542 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,734 |
| Country Codes of Europe | 0 | - | 3.43 | 13,756 |
| The Only European Country ... | 0 | - | 4.91 | 217,472 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,625 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,309 |
| Geography of Russia | 0 | - | 4.57 | 21,556 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,023 |
| History of Austria | 0 | - | 4.70 | 17,911 |
| Presidents of France | 0 | - | 4.25 | 24,219 |
| Geography of the French Empire | 0 | - | 4.45 | 27,157 |
| The French Revolution | 0 | - | 4.47 | 24,066 |
| France Multiple Choice | 0 | - | 4.39 | 40,774 |
| History of France | 0 | - | 4.59 | 57,291 |
| Ancient Greek Words | 0 | - | 4.93 | 111,933 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,283 |
| The Vikings! | 0 | - | 4.46 | 28,370 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,219 |
| The Portuguese Empire | 0 | - | 4.58 | 12,086 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,069 |
| American to British Word Translation | 0 | - | 4.14 | 139,337 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,953 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,169 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,727 |
| Beatles Lyrics First Names | 0 | - | 4.34 | 39,454 |
| Beatles Songs by Synonyms | 0 | - | 4.74 | 40,847 |
| Elton John Quiz | 0 | - | 4.49 | 18,492 |
| Champions League Top 4 | 0 | - | 4.77 | 137,361 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,342 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,132 |
| African East Coast | 0 | - | 4.96 | 96,309 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,169 |
| Countries by National Anthem | 0 | - | 4.93 | 71,302 |
| Australia Map Quiz | 0 | - | 4.95 | 345,242 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,888 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,109 |
| 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 | 103,167 |
| 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 | 83,159 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,753 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,458 |
| European Geography A-Z | 0 | - | 4.29 | 49,370 |
| Austria... or Australia? | 0 | - | 4.68 | 104,515 |
| Famous French People | 0 | - | 4.07 | 35,870 |
| Word Chain - France | 0 | - | 4.38 | 42,849 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,083 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,950 |
| 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 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,125 |
| History of The Netherlands | 0 | - | 4.46 | 17,488 |
| Canary Islands | 0 | - | 4.62 | 17,494 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,836 |
| British Spellings | 0 | - | 4.06 | 99,511 |
| British Groups of Things | 0 | - | 4.25 | 82,916 |
| British Acronyms | 0 | - | 4.40 | 45,856 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,059 |
| British Monopoly Board | 0 | - | 4.52 | 41,197 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,964 |
| Geography of Scotland | 0 | - | 4.63 | 21,664 |
| Beatles Songs by Synopsis | 0 | - | 4.31 | 33,068 |
| Viva la Vida Lyrics | 0 | - | 4.37 | 49,961 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,003 |
| Countries of Africa | 0 | - | 5.00 | 2,545,809 |
| Australian States and Territories | 0 | - | 4.96 | 142,260 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,371 |
| Australia True or False | 0 | - | 4.87 | 56,961 |
| 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 | 144,423 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,137 |
| South America Map Quiz | 0 | - | 5.00 | 1,551,967 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,644 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,148 |
| North America Map Quiz | 0 | - | 4.98 | 249,563 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,812 |
| Canada Provinces and Territories | 0 | - | 5.00 | 343,799 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 641,834 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,319 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,968 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 68,594 |
