| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,821 |
| Official European Union Languages | 0 | - | 4.97 | 237,565 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,259 |
| Slavic Languages | 0 | - | 4.68 | 54,138 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,537 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,831 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,369 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,723 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,522 |
| History of Russia Quiz | 0 | - | 4.49 | 31,834 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,628 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,652 |
| Top African Languages on a Map | 0 | - | 4.92 | 73,121 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,514 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 54,841 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,069 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,105 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,281 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,665 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,493 |
| Slavic Countries | 0 | - | 4.96 | 111,184 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,174 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,721 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,244 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 70,972 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,345 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,312 |
| Celtic Nations | 0 | - | 4.69 | 46,868 |
| Champions League Winners | 0 | - | 4.92 | 1,000,190 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,595 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,541 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,638 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,254 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,091 |
| Geography of Russia | 0 | - | 4.57 | 21,470 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,487 |
| States of Germany | 0 | - | 4.96 | 150,960 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,308 |
| Regions of Italy | 0 | - | 4.92 | 75,120 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,067 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,082 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,671 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,798 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,608 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,280 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,600 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,627 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,967 |
| Departments of France | 0 | - | 4.93 | 53,198 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,423 |
| England or Wales? | 0 | - | 4.94 | 45,473 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,143 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,498 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,623 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,242 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,759 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,083 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,616 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,835 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,713 |
| The Trojan War | 0 | - | 4.83 | 39,542 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 644,228 |
| Name that Greek Letter | 0 | - | 4.93 | 322,421 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,091 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,514 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,249 |
| Roman Emperors | 0 | - | 4.95 | 119,136 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,326 |
| Languages of Spain | 0 | - | 4.36 | 23,227 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 217,927 |
| Word Chain - Russia | 0 | - | 4.33 | 15,716 |
| Olympian Gods Quiz | 0 | - | 4.96 | 498,074 |
| History of Italy | 0 | - | 4.55 | 31,888 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,403 |
| Geography of the Dutch Empire | 0 | - | 4.61 | 34,549 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,077 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.39 | 32,481 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 267,286 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,655 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,109 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,090 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,964 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,428 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,276 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,016 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,795 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,426 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,577 |
| Europe Map Quiz | 0 | - | 5.00 | 4,743,721 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 71,105 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,749 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,057 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 61,098 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,782 |
| Four Letter European Geography #1 | 0 | - | 4.44 | 27,839 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,199 |
| Capitals of French Regions | 0 | - | 4.45 | 16,014 |
| Regions of France | 0 | - | 4.78 | 119,849 |
| France Immigration by Country | 0 | - | 4.72 | 76,153 |
| Famous Germans | 0 | - | 4.50 | 54,807 |
| German Groups of Things | 0 | - | 4.46 | 38,371 |
| Capitals of German States | 0 | - | 4.74 | 28,886 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,182 |
| Germany True or False? | 0 | - | 4.61 | 48,646 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,693 |
| Ancient Greek Words | 0 | - | 4.93 | 111,047 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,831 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,809 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,016 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,136 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 102,800 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,446 |
| Name Every Beatles Song | 0 | - | 4.97 | 234,910 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,074 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 278,063 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,613 |
| Top World Languages | 0 | - | 4.92 | 816,635 |
| Africa Map Quiz | 0 | - | 5.00 | 2,109,845 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,108 |
| Oceania Map Quiz | 0 | - | 4.98 | 638,066 |
| Australian Capitals | 0 | - | 4.92 | 62,646 |
| European Physical Geography | 0 | - | 4.26 | 33,414 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,840 |
| History of Austria | 0 | - | 4.70 | 17,793 |
| Geography of the French Empire | 0 | - | 4.45 | 26,986 |
| The French Revolution | 0 | - | 4.46 | 23,853 |
| France Multiple Choice | 0 | - | 4.38 | 40,675 |
| History of France | 0 | - | 4.59 | 56,544 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,421 |
| Figures from Greek Mythology | 0 | - | 4.91 | 185,728 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 434,932 |
| The Vikings! | 0 | - | 4.46 | 28,281 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,803 |
| The Portuguese Empire | 0 | - | 4.58 | 12,025 |
| American to British Word Translation | 0 | - | 4.13 | 138,121 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,404 |
| Champions League Top 4 | 0 | - | 4.77 | 134,810 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,443,632 |
| Asia Map Quiz | 0 | - | 4.99 | 910,343 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 32,749 |
| Countries by Official Language | 0 | - | 4.95 | 193,860 |
| Places in their Native Language #1 | 0 | - | 4.84 | 240,049 |
| Places in their Native Language #2 | 0 | - | 4.83 | 123,252 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,335 |
| Countries in their Native Language | 0 | - | 4.99 | 197,497 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,702 |
| Countries of Africa | 0 | - | 5.00 | 2,519,018 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,203 |
| African East Coast | 0 | - | 4.96 | 95,451 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,314 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,144 |
| Australia Map Quiz | 0 | - | 4.94 | 343,148 |
| United States Map Quiz | 0 | - | 4.98 | 4,147,482 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,958 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,434 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,796 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,095 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,414 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,842 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,079 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,704 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,663 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,350 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,074 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,417 |
| Europe Geography Quiz #3 | 0 | - | 4.34 | 63,502 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,641 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,209 |
| European Geography A-Z | 0 | - | 4.28 | 49,095 |
| Country Codes of Europe | 0 | - | 3.46 | 13,672 |
| The Only European Country ... | 0 | - | 4.91 | 214,948 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,209 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,291 |
| Seas of Europe | 0 | - | 4.37 | 84,459 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,262 |
| Latvia Country Quiz | 0 | - | 4.75 | 31,874 |
| Famous Swiss and Austrian People | 0 | - | 4.45 | 14,585 |
| Austria... or Australia? | 0 | - | 4.68 | 104,065 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,995 |
| Presidents of France | 0 | - | 4.25 | 23,965 |
| France A-Z | 0 | - | 4.16 | 38,106 |
| Word Chain - France | 0 | - | 4.38 | 42,667 |
| History of Germany | 0 | - | 4.39 | 52,707 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,858 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,830 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 73,209 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,527 |
| Italian Foods | 0 | - | 4.31 | 72,418 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,122 |
| The Mafia Quiz | 0 | - | 4.46 | 23,241 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,612 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,767 |
| Roman Names for Places | 0 | - | 4.62 | 58,031 |
| Byzantine History | 0 | - | 4.91 | 28,689 |
| History of The Netherlands | 0 | - | 4.46 | 17,352 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,988 |
| Most Common First Names in Spain | 0 | - | 4.27 | 45,527 |
| Canary Islands | 0 | - | 4.61 | 17,432 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 66,656 |
| Switzerland A-Z | 0 | - | 4.45 | 25,565 |
