| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,198 |
| Official European Union Languages | 0 | - | 4.97 | 238,640 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,948 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,854 |
| Slavic Languages | 0 | - | 4.68 | 54,396 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,431 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,019 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,862 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,164 |
| History of Russia Quiz | 0 | - | 4.47 | 31,933 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,752 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,174 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,758 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,210 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,402 |
| Celtic Nations | 0 | - | 4.69 | 46,960 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,426 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,748 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 172,171 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,378 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,271 |
| Slavic Countries | 0 | - | 4.96 | 111,733 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,383 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,083 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 356,516 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,510 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,549 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,200 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,517 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 78,709 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,076 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,532 |
| Geography of Russia | 0 | - | 4.57 | 21,542 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,982 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,953 |
| States of Germany | 0 | - | 4.95 | 152,784 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,121 |
| Regions of Italy | 0 | - | 4.92 | 76,003 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,254 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,089 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,266 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,920 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,714 |
| Champions League Winners | 0 | - | 4.92 | 1,007,592 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,478 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,031 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,263 |
| Departments of France | 0 | - | 4.93 | 54,231 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,562 |
| England or Wales? | 0 | - | 4.94 | 45,732 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,518 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,615 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,662 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,751 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,120 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,632 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,488 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,511 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,799 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,964 |
| Name that Greek Letter | 0 | - | 4.93 | 323,928 |
| Languages of Spain | 0 | - | 4.36 | 23,331 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,561 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,342 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,299 |
| Word Chain - Russia | 0 | - | 4.33 | 15,762 |
| The Trojan War | 0 | - | 4.83 | 39,753 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,971 |
| History of Italy | 0 | - | 4.55 | 32,000 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,833 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,571 |
| Roman Emperors | 0 | - | 4.95 | 120,168 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,680 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,255 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,334 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,223 |
| Top World Languages | 0 | - | 4.92 | 822,903 |
| Australian Capitals | 0 | - | 4.92 | 62,734 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,427 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 119,735 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,131 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,758 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,621 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,804 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,639 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,939 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,790 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,082 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,533 |
| Europe Map Quiz | 0 | - | 5.00 | 4,765,581 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,304 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,969 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,253 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,252 |
| European Geography By Letter - S #1 | 0 | - | 4.62 | 100,676 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,488 |
| Capitals of French Regions | 0 | - | 4.45 | 16,087 |
| Regions of France | 0 | - | 4.72 | 120,940 |
| France Immigration by Country | 0 | - | 4.70 | 76,574 |
| Famous Germans | 0 | - | 4.50 | 55,334 |
| German Groups of Things | 0 | - | 4.46 | 38,490 |
| Capitals of German States | 0 | - | 4.74 | 28,971 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,357 |
| Germany True or False? | 0 | - | 4.61 | 48,836 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,056 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,212 |
| Ancient Greek Words | 0 | - | 4.93 | 111,712 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,543 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,419 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,286 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,306 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,461 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,832 |
| Countries by Official Language | 0 | - | 4.95 | 195,043 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,052 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,107 |
| Countries in their Native Language | 0 | - | 4.99 | 198,548 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,907 |
| Africa Map Quiz | 0 | - | 5.00 | 2,119,073 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,161 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,869 |
| European Physical Geography | 0 | - | 4.26 | 33,520 |
| History of Austria | 0 | - | 4.70 | 17,871 |
| Geography of the French Empire | 0 | - | 4.45 | 27,106 |
| The French Revolution | 0 | - | 4.47 | 24,003 |
| France Multiple Choice | 0 | - | 4.39 | 40,749 |
| History of France | 0 | - | 4.59 | 57,091 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,409 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,186 |
| The Vikings! | 0 | - | 4.46 | 28,353 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,159 |
| The Portuguese Empire | 0 | - | 4.58 | 12,071 |
| American to British Word Translation | 0 | - | 4.14 | 139,158 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,072 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,682 |
| Champions League Top 4 | 0 | - | 4.77 | 136,701 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,716 |
| Asia Map Quiz | 0 | - | 4.99 | 917,583 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,132 |
| Countries of Africa | 0 | - | 5.00 | 2,539,702 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,910 |
| African East Coast | 0 | - | 4.96 | 96,124 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,981 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,788 |
| Australia Map Quiz | 0 | - | 4.95 | 344,782 |
| United States Map Quiz | 0 | - | 4.98 | 4,160,445 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,437 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,682 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,206 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,639 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,867 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,029 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,143 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,818 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,621 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,261 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,808 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,983 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,702 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,259 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,384 |
| European Geography A-Z | 0 | - | 4.29 | 49,288 |
| Country Codes of Europe | 0 | - | 3.43 | 13,738 |
| The Only European Country ... | 0 | - | 4.91 | 216,892 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,286 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,204 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,313 |
| Austria... or Australia? | 0 | - | 4.68 | 104,397 |
| Famous French People | 0 | - | 4.07 | 35,654 |
| Presidents of France | 0 | - | 4.25 | 24,159 |
| Word Chain - France | 0 | - | 4.38 | 42,795 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,029 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,930 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,151 |
| Italian Foods | 0 | - | 4.30 | 72,825 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,359 |
| The Mafia Quiz | 0 | - | 4.46 | 23,336 |
| History of The Netherlands | 0 | - | 4.46 | 17,444 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,052 |
| Canary Islands | 0 | - | 4.62 | 17,485 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,745 |
| British Spellings | 0 | - | 4.06 | 99,467 |
| British Groups of Things | 0 | - | 4.25 | 82,883 |
| British Acronyms | 0 | - | 4.40 | 45,813 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,044 |
| British Monopoly Board | 0 | - | 4.52 | 41,181 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,849 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,066 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,383,739 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,196 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,424 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,715 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,413 |
| German-Speaking Countries | 0 | - | 4.91 | 145,629 |
| Italian Name Translation | 0 | - | 4.83 | 46,977 |
| French-Speaking Countries | 0 | - | 4.85 | 270,642 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,367 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,010 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,907 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,104 |
