| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,411 |
| Official European Union Languages | 0 | - | 4.97 | 239,106 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,246 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,979 |
| Slavic Languages | 0 | - | 4.68 | 54,521 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 215,047 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,556 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,156 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,941 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,459 |
| History of Russia Quiz | 0 | - | 4.47 | 31,971 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,797 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,839 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,369 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,447 |
| Celtic Nations | 0 | - | 4.69 | 47,016 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,729 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,706 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,921 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,720 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,501 |
| Slavic Countries | 0 | - | 4.96 | 112,007 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,527 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,253 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,869 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,746 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,629 |
| Top African Languages on a Map | 0 | - | 4.94 | 74,649 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,224 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,479 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 87,514 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,470 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,304 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,202 |
| States of Germany | 0 | - | 4.95 | 153,584 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,370 |
| Regions of Italy | 0 | - | 4.92 | 76,423 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,517 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,680 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,497 |
| Champions League Winners | 0 | - | 4.92 | 1,011,022 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,635 |
| Geography of Russia | 0 | - | 4.57 | 21,560 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,971 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,771 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 234,549 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,721 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,980 |
| Departments of France | 0 | - | 4.93 | 54,621 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,642 |
| England or Wales? | 0 | - | 4.94 | 45,828 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,245 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,668 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,680 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,956 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,859 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,694 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,923 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 649,633 |
| Name that Greek Letter | 0 | - | 4.93 | 324,349 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,684 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,538 |
| Languages of Spain | 0 | - | 4.36 | 23,365 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 221,175 |
| Word Chain - Russia | 0 | - | 4.33 | 15,776 |
| The Trojan War | 0 | - | 4.83 | 39,855 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,417 |
| History of Italy | 0 | - | 4.55 | 32,085 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,063 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,074 |
| Roman Emperors | 0 | - | 4.95 | 120,563 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,750 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,324 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,943 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,598 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,770 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,108 |
| European Geography By Letter - B #1 | 0 | - | 4.69 | 120,509 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,889 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,442 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,111 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,493 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,287 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,106 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,356 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,945 |
| Europe Map Quiz | 0 | - | 5.00 | 4,774,725 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,394 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,048 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,345 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,322 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,969 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,584 |
| Capitals of French Regions | 0 | - | 4.45 | 16,127 |
| Regions of France | 0 | - | 4.70 | 121,430 |
| France Immigration by Country | 0 | - | 4.70 | 76,728 |
| Famous Germans | 0 | - | 4.50 | 55,577 |
| German Groups of Things | 0 | - | 4.46 | 38,556 |
| Capitals of German States | 0 | - | 4.74 | 29,006 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,421 |
| Germany True or False? | 0 | - | 4.61 | 48,921 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,201 |
| Olympian Gods Quiz | 0 | - | 4.96 | 502,290 |
| Ancient Greek Words | 0 | - | 4.93 | 112,048 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,916 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,555 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,365 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,516 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,350 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,200 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,793 |
| Top World Languages | 0 | - | 4.92 | 825,691 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,200 |
| Oceania Map Quiz | 0 | - | 4.98 | 655,961 |
| Australian Capitals | 0 | - | 4.92 | 62,777 |
| European Physical Geography | 0 | - | 4.26 | 33,557 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,039 |
| History of Austria | 0 | - | 4.70 | 17,927 |
| Geography of the French Empire | 0 | - | 4.45 | 27,170 |
| The French Revolution | 0 | - | 4.47 | 24,082 |
| France Multiple Choice | 0 | - | 4.39 | 40,783 |
| History of France | 0 | - | 4.61 | 57,355 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,394 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,328 |
| The Vikings! | 0 | - | 4.46 | 28,375 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,251 |
| The Portuguese Empire | 0 | - | 4.58 | 12,087 |
| American to British Word Translation | 0 | - | 4.14 | 139,405 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,206 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,741 |
| Champions League Top 4 | 0 | - | 4.77 | 137,598 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,450,115 |
| Asia Map Quiz | 0 | - | 4.99 | 920,871 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,218 |
| Africa Map Quiz | 0 | - | 5.00 | 2,123,274 |
| Countries by Official Language | 0 | - | 4.95 | 195,443 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,676 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,637 |
| Countries in their Native Language | 0 | - | 4.99 | 199,216 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,240 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 51,044 |
| Australia Map Quiz | 0 | - | 4.95 | 345,418 |
| United States Map Quiz | 0 | - | 4.98 | 4,164,991 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,034 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,773 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,873 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,334 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,352 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,700 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,550 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,234 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,980 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,610 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,088 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,215 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,774 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,499 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 116,052 |
| European Geography A-Z | 0 | - | 4.29 | 49,387 |
| Country Codes of Europe | 0 | - | 3.43 | 13,764 |
| The Only European Country ... | 0 | - | 4.91 | 217,765 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,824 |
| European Geographic Groups of Four | 0 | - | 4.58 | 16,879 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,345 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,329 |
| Austria... or Australia? | 0 | - | 4.68 | 104,569 |
| Famous French People | 0 | - | 4.07 | 35,923 |
| Presidents of France | 0 | - | 4.25 | 24,238 |
| Word Chain - France | 0 | - | 4.38 | 42,867 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,117 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,970 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,978 |
| Italian Foods | 0 | - | 4.30 | 73,013 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,473 |
| The Mafia Quiz | 0 | - | 4.46 | 23,393 |
| History of The Netherlands | 0 | - | 4.46 | 17,501 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,079 |
| Canary Islands | 0 | - | 4.62 | 17,500 |
| Real Madrid 2010s Starting XI | 0 | - | 4.90 | 68,244 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,867 |
| British Spellings | 0 | - | 4.06 | 99,529 |
| British Groups of Things | 0 | - | 4.25 | 82,932 |
| British Acronyms | 0 | - | 4.40 | 45,872 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,066 |
| British Monopoly Board | 0 | - | 4.52 | 41,209 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,997 |
| Geography of Scotland | 0 | - | 4.63 | 21,679 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,463 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,385,341 |
| Countries of Africa | 0 | - | 5.00 | 2,547,910 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,267 |
| African East Coast | 0 | - | 4.96 | 96,400 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,249 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,530 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,817 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,523 |
| German-Speaking Countries | 0 | - | 4.91 | 145,828 |
| Italian Name Translation | 0 | - | 4.83 | 47,408 |
| French-Speaking Countries | 0 | - | 4.85 | 271,061 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,489 |
