| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,706 |
| Official European Union Languages | 0 | - | 4.97 | 239,757 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,612 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 532,438 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,809 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,305 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,052 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,503 |
| Celtic Nations | 0 | - | 4.61 | 47,094 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,824 |
| History of Russia Quiz | 0 | - | 4.47 | 32,002 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,869 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,974 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,553 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 88,007 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,682 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,673 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,161 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,773 |
| Slavic Countries | 0 | - | 4.96 | 112,353 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,686 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,436 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,522 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 72,062 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,732 |
| Top African Languages on a Map | 0 | - | 4.94 | 75,231 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,833 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,749 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,743 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,703 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,962 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,436 |
| Geography of Russia | 0 | - | 4.57 | 21,597 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,461 |
| States of Germany | 0 | - | 4.95 | 154,428 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,676 |
| Regions of Italy | 0 | - | 4.92 | 77,036 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,787 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,296 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,748 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,055 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,840 |
| Champions League Winners | 0 | - | 4.92 | 1,015,861 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,741 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,719 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,306 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 121,635 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,797 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,865 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,870 |
| Departments of France | 0 | - | 4.93 | 55,127 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,736 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,732 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,623 |
| England or Wales? | 0 | - | 4.94 | 45,960 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,081 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,929 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,079 |
| Languages of Spain | 0 | - | 4.36 | 23,434 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,659 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,676 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,341 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 222,495 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,765 |
| Name that Greek Letter | 0 | - | 4.93 | 324,947 |
| History of Italy | 0 | - | 4.55 | 32,142 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,351 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,816 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,420 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,642 |
| Top World Languages | 0 | - | 4.92 | 829,601 |
| Europe Map Quiz | 0 | - | 5.00 | 4,787,373 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,530 |
| Four Letter European Geography #2 | 0 | - | 4.54 | 20,734 |
| Word Chain - Russia | 0 | - | 4.33 | 15,794 |
| Capitals of French Regions | 0 | - | 4.45 | 16,178 |
| Capitals of German States | 0 | - | 4.74 | 29,071 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,534 |
| The Trojan War | 0 | - | 4.83 | 39,980 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,925 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,580 |
| Roman Emperors | 0 | - | 4.95 | 121,172 |
| Oceania Map Quiz | 0 | - | 4.98 | 659,246 |
| Australian Capitals | 0 | - | 4.92 | 62,828 |
| European Geography By Letter - A | 0 | - | 4.52 | 148,100 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,450 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,842 |
| European Geography By Letter - D | 0 | - | 4.48 | 116,282 |
| European Geography By Letter - L | 0 | - | 4.52 | 115,003 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,447 |
| European Geography By Letter - N | 0 | - | 4.44 | 102,085 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,561 |
| European Geography By Letter - V | 0 | - | 4.43 | 94,016 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,546 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,515 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,171 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,453 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,423 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,398 |
| Regions of France | 0 | - | 4.70 | 122,062 |
| France Immigration by Country | 0 | - | 4.70 | 76,923 |
| Famous Germans | 0 | - | 4.50 | 55,783 |
| German Groups of Things | 0 | - | 4.47 | 38,631 |
| Germany True or False? | 0 | - | 4.61 | 49,018 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,459 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,671 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,357 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,744 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,404 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,799 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,366 |
| Asia Map Quiz | 0 | - | 4.99 | 924,967 |
| Africa Map Quiz | 0 | - | 5.00 | 2,128,425 |
| Countries by Official Language | 0 | - | 4.95 | 195,965 |
| Places in their Native Language #1 | 0 | - | 4.85 | 243,320 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,598 |
| Countries in their Native Language | 0 | - | 4.99 | 199,714 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,927 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,239 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,444 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,897 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,906 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,746 |
| European Physical Geography | 0 | - | 4.26 | 33,590 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,074 |
| Country Codes of Europe | 0 | - | 3.45 | 13,826 |
| The Only European Country ... | 0 | - | 4.91 | 218,939 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,479 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,126 |
| History of Austria | 0 | - | 4.70 | 17,971 |
| Presidents of France | 0 | - | 4.25 | 24,334 |
| Geography of the French Empire | 0 | - | 4.45 | 27,216 |
| The French Revolution | 0 | - | 4.47 | 24,145 |
| France Multiple Choice | 0 | - | 4.39 | 40,841 |
| History of France | 0 | - | 4.61 | 57,593 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,558 |
| Ancient Greek Words | 0 | - | 4.93 | 112,438 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,496 |
| The Vikings! | 0 | - | 4.46 | 28,403 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,379 |
| The Portuguese Empire | 0 | - | 4.58 | 12,104 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,117 |
| American to British Word Translation | 0 | - | 4.14 | 139,682 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,357 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,807 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,289 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,774 |
| Champions League Top 4 | 0 | - | 4.78 | 138,991 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,922 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,392 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,831 |
| African East Coast | 0 | - | 4.96 | 96,752 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,607 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,679 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,972 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,692 |
| German-Speaking Countries | 0 | - | 4.92 | 146,015 |
| Italian Name Translation | 0 | - | 4.83 | 47,939 |
| French-Speaking Countries | 0 | - | 4.85 | 271,652 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,861 |
| Australia Map Quiz | 0 | - | 4.95 | 346,132 |
| United States Map Quiz | 0 | - | 4.98 | 4,171,038 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,193 |
| European Geography By Letter - E | 0 | - | 4.23 | 115,126 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,418 |
| European Geography By Letter - H | 0 | - | 4.30 | 97,148 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,903 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,533 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,171 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,548 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,554 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,887 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,866 |
| European Geography A-Z | 0 | - | 4.29 | 49,476 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,361 |
| Austria... or Australia? | 0 | - | 4.67 | 104,759 |
| Famous French People | 0 | - | 4.07 | 36,093 |
| Word Chain - France | 0 | - | 4.38 | 42,933 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,230 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,040 |
| Italian Foods | 0 | - | 4.30 | 73,256 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,644 |
| The Mafia Quiz | 0 | - | 4.46 | 23,436 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,715 |
| History of The Netherlands | 0 | - | 4.46 | 17,550 |
| Canary Islands | 0 | - | 4.62 | 17,527 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,066 |
| British Spellings | 0 | - | 4.06 | 99,600 |
| British Groups of Things | 0 | - | 4.26 | 83,008 |
| British Acronyms | 0 | - | 4.40 | 45,935 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,105 |
| British Monopoly Board | 0 | - | 4.52 | 41,266 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,102 |
| Geography of Scotland | 0 | - | 4.63 | 21,740 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,387,210 |
| Countries of Africa | 0 | - | 5.00 | 2,559,155 |
| Australian States and Territories | 0 | - | 4.96 | 142,847 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,499 |
| Australia True or False | 0 | - | 4.87 | 57,141 |
| Flags of North and South America | 0 | - | 4.99 | 376,860 |
