| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,128 |
| Official European Union Languages | 0 | - | 4.97 | 238,500 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,850 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 529,542 |
| Slavic Languages | 0 | - | 4.68 | 54,360 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,191 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,987 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,833 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,084 |
| History of Russia Quiz | 0 | - | 4.47 | 31,917 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,728 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,041 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,731 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,156 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,385 |
| Celtic Nations | 0 | - | 4.69 | 46,945 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,370 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,506 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,849 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,281 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,188 |
| Slavic Countries | 0 | - | 4.96 | 111,656 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,354 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,008 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,966 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,432 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,520 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,127 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,553 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,982 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,153 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,898 |
| States of Germany | 0 | - | 4.96 | 152,573 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,034 |
| Regions of Italy | 0 | - | 4.92 | 75,867 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,157 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,939 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,206 |
| Champions League Winners | 0 | - | 4.92 | 1,006,711 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,491 |
| Geography of Russia | 0 | - | 4.57 | 21,528 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,894 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,700 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,254 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,819 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,125 |
| Departments of France | 0 | - | 4.93 | 54,104 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,546 |
| England or Wales? | 0 | - | 4.94 | 45,688 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,346 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,603 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,656 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,701 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,964 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,446 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,769 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,417 |
| Name that Greek Letter | 0 | - | 4.93 | 323,446 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,612 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,465 |
| Languages of Spain | 0 | - | 4.36 | 23,315 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,211 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 219,997 |
| Word Chain - Russia | 0 | - | 4.33 | 15,751 |
| The Trojan War | 0 | - | 4.83 | 39,726 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,840 |
| History of Italy | 0 | - | 4.55 | 31,974 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,782 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,529 |
| Roman Emperors | 0 | - | 4.95 | 120,041 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,661 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,237 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 279,148 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,555 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,254 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 118,920 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,979 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,625 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,524 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,665 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,549 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,856 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,706 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,015 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,445 |
| Europe Map Quiz | 0 | - | 5.00 | 4,762,915 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,273 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,939 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,224 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,234 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,610 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,435 |
| Capitals of French Regions | 0 | - | 4.45 | 16,072 |
| Regions of France | 0 | - | 4.72 | 120,785 |
| France Immigration by Country | 0 | - | 4.70 | 76,516 |
| Famous Germans | 0 | - | 4.50 | 55,293 |
| German Groups of Things | 0 | - | 4.46 | 38,479 |
| Capitals of German States | 0 | - | 4.74 | 28,953 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,333 |
| Germany True or False? | 0 | - | 4.61 | 48,803 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,015 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,818 |
| Ancient Greek Words | 0 | - | 4.93 | 111,598 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,495 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,356 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,266 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,247 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,265 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,713 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,019 |
| Top World Languages | 0 | - | 4.92 | 822,127 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,830 |
| Official Languages of South Africa | 0 | - | 4.56 | 26,150 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,288 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| European Physical Geography | 0 | - | 4.26 | 33,509 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,962 |
| History of Austria | 0 | - | 4.70 | 17,861 |
| Geography of the French Empire | 0 | - | 4.45 | 27,060 |
| The French Revolution | 0 | - | 4.47 | 23,931 |
| France Multiple Choice | 0 | - | 4.39 | 40,741 |
| History of France | 0 | - | 4.59 | 56,978 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,106 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,132 |
| The Vikings! | 0 | - | 4.46 | 28,343 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,126 |
| The Portuguese Empire | 0 | - | 4.58 | 12,064 |
| American to British Word Translation | 0 | - | 4.14 | 139,053 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,034 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,663 |
| Champions League Top 4 | 0 | - | 4.77 | 136,449 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,219 |
| Asia Map Quiz | 0 | - | 4.99 | 916,745 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,066 |
| Countries by Official Language | 0 | - | 4.95 | 194,921 |
| Places in their Native Language #1 | 0 | - | 4.85 | 241,918 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,932 |
| Countries in their Native Language | 0 | - | 4.99 | 198,446 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,781 |
| Countries of Africa | 0 | - | 5.00 | 2,536,948 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,826 |
| African East Coast | 0 | - | 4.96 | 96,064 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,877 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,687 |
| Australia Map Quiz | 0 | - | 4.95 | 344,605 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,401 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,247 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,650 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,027 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,454 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,670 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,926 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,064 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,729 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,544 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,182 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,747 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,931 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,674 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,194 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,242 |
| European Geography A-Z | 0 | - | 4.29 | 49,268 |
| Country Codes of Europe | 0 | - | 3.43 | 13,723 |
| The Only European Country ... | 0 | - | 4.91 | 216,617 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,125 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,147 |
| Embarrassing Chapters in Russian History | 0 | - | 3.70 | 20,304 |
| Austria... or Australia? | 0 | - | 4.68 | 104,347 |
| Famous French People | 0 | - | 4.06 | 35,577 |
| Presidents of France | 0 | - | 4.25 | 24,136 |
| Word Chain - France | 0 | - | 4.38 | 42,779 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,993 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,913 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,952 |
| Italian Foods | 0 | - | 4.30 | 72,783 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,328 |
| The Mafia Quiz | 0 | - | 4.46 | 23,321 |
| History of The Netherlands | 0 | - | 4.46 | 17,434 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,042 |
| Canary Islands | 0 | - | 4.62 | 17,481 |
| Real Madrid 2010s Starting XI | 0 | - | 4.89 | 67,440 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,700 |
| British Spellings | 0 | - | 4.06 | 99,451 |
| British Groups of Things | 0 | - | 4.25 | 82,865 |
| British Acronyms | 0 | - | 4.40 | 45,799 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,035 |
| British Monopoly Board | 0 | - | 4.52 | 41,167 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,781 |
| Geography of Scotland | 0 | - | 4.63 | 21,616 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,969 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,919 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,394 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,691 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,373 |
| German-Speaking Countries | 0 | - | 4.92 | 145,547 |
| Italian Name Translation | 0 | - | 4.83 | 46,804 |
| French-Speaking Countries | 0 | - | 4.85 | 270,493 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,097 |
| Officially Recognized Languages of India | 0 | - | 4.39 | 31,325 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,970 |
