| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,330 |
| Official European Union Languages | 0 | - | 4.97 | 238,933 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,136 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 530,600 |
| Save Europeans by Guessing Countries | 0 | - | 4.86 | 214,605 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 429,068 |
| Slavic Languages | 0 | - | 4.67 | 54,468 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,112 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,916 |
| Celtic Nations | 0 | - | 4.69 | 46,997 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,431 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,356 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,807 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,309 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,541 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 311,237 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 173,072 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,480 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,198 |
| Top Asian Languages on a Map | 0 | - | 4.95 | 71,652 |
| Countries where Arabic is an Official Language | 0 | - | 4.85 | 72,593 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,458 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 358,221 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,590 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,947 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,755 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 97,935 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,393 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 86,735 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,316 |
| Federal Subjects of Russia | 0 | - | 4.95 | 148,015 |
| States of Germany | 0 | - | 4.95 | 153,222 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,288 |
| Regions of Italy | 0 | - | 4.92 | 76,241 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,429 |
| Regions of Spain Quiz | 0 | - | 4.90 | 114,415 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,419 |
| Champions League Winners | 0 | - | 4.92 | 1,009,952 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,646 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,675 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,883 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 115,620 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,933 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 277,387 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,637 |
| Departments of France | 0 | - | 4.93 | 54,470 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,665 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,616 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,515 |
| England or Wales? | 0 | - | 4.94 | 45,803 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,008 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 279,706 |
| Top 12 Languages Spoken in Asia | 0 | - | 4.40 | 32,582 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,604 |
| Languages of Spain | 0 | - | 4.36 | 23,352 |
| Most-Spoken Languages of the United States | 0 | - | 4.52 | 220,838 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,644 |
| History of Russia Quiz | 0 | - | 4.47 | 31,950 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,778 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,856 |
| History of Italy | 0 | - | 4.55 | 32,054 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,963 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,721 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,297 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,567 |
| Top World Languages | 0 | - | 4.92 | 824,540 |
| Australian Capitals | 0 | - | 4.92 | 62,754 |
| Europe Map Quiz | 0 | - | 5.00 | 4,771,470 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,549 |
| Capitals of French Regions | 0 | - | 4.45 | 16,112 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 47,363 |
| Capitals of German States | 0 | - | 4.74 | 28,990 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,402 |
| The Trojan War | 0 | - | 4.83 | 39,799 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 648,915 |
| Name that Greek Letter | 0 | - | 4.93 | 324,178 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,253 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,655 |
| Roman Emperors | 0 | - | 4.95 | 120,404 |
| Countries by Official Language | 0 | - | 4.95 | 195,289 |
| Places in their Native Language #1 | 0 | - | 4.85 | 242,324 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,425 |
| Countries in their Native Language | 0 | - | 4.99 | 199,080 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,126 |
| Oceania Map Quiz | 0 | - | 4.98 | 653,009 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,971 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 120,373 |
| European Geography By Letter - C | 0 | - | 4.46 | 114,764 |
| European Geography By Letter - D | 0 | - | 4.50 | 109,322 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,990 |
| European Geography By Letter - M | 0 | - | 4.67 | 131,322 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,203 |
| European Geography By Letter - R | 0 | - | 4.42 | 94,013 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,285 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,837 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,354 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,009 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,301 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,296 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,886 |
| Country Codes of Europe | 0 | - | 3.43 | 13,753 |
| Regions of France | 0 | - | 4.72 | 121,257 |
| France Immigration by Country | 0 | - | 4.70 | 76,684 |
| Famous Germans | 0 | - | 4.50 | 55,534 |
| German Groups of Things | 0 | - | 4.46 | 38,526 |
| Germany True or False? | 0 | - | 4.61 | 48,892 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,142 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,806 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,501 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,340 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,445 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,449,753 |
| Asia Map Quiz | 0 | - | 4.99 | 919,762 |
| Africa Map Quiz | 0 | - | 5.00 | 2,121,900 |
| Official Languages of South Africa | 0 | - | 4.57 | 26,178 |
| European Physical Geography | 0 | - | 4.26 | 33,542 |
| Geography of Russia | 0 | - | 4.57 | 21,555 |
| History of Austria | 0 | - | 4.70 | 17,905 |
| Geography of the French Empire | 0 | - | 4.45 | 27,155 |
| The French Revolution | 0 | - | 4.47 | 24,064 |
| France Multiple Choice | 0 | - | 4.39 | 40,774 |
| Olympian Gods Quiz | 0 | - | 4.96 | 501,920 |
| The Vikings! | 0 | - | 4.46 | 28,368 |
| The Portuguese Empire | 0 | - | 4.58 | 12,082 |
| American to British Word Translation | 0 | - | 4.14 | 139,318 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,482 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,934 |
| Australia Map Quiz | 0 | - | 4.95 | 345,177 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,820 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,743 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,587 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 365,055 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,696 |
| The Only European Country ... | 0 | - | 4.91 | 217,413 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,590 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,304 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,019 |
| Presidents of France | 0 | - | 4.25 | 24,217 |
| History of France | 0 | - | 4.59 | 57,277 |
| Ancient Greek Words | 0 | - | 4.93 | 111,916 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,213 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,067 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,160 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,720 |
| Name Every Beatles Song | 0 | - | 4.97 | 237,051 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,107 |
| Champions League Top 4 | 0 | - | 4.77 | 137,303 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,303 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,384,891 |
| Japanese Language - Katakana Practice | 0 | - | 4.61 | 33,181 |
| Countries of Africa | 0 | - | 5.00 | 2,545,184 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,110 |
| African East Coast | 0 | - | 4.96 | 96,287 |
| Western Africa Map Quiz | 0 | - | 4.97 | 74,157 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,489 |
| Top World Languages A-Z | 0 | - | 4.83 | 36,772 |
| German-Speaking Countries | 0 | - | 4.91 | 145,759 |
| Italian Name Translation | 0 | - | 4.83 | 47,249 |
| French-Speaking Countries | 0 | - | 4.85 | 270,893 |
| Spanish to English Country Names | 0 | - | 4.86 | 33,377 |
| Australian States and Territories | 0 | - | 4.96 | 142,242 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,367 |
| Australia True or False | 0 | - | 4.87 | 56,954 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,718 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,405 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 130,124 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,640 |
| North America Map Quiz | 0 | - | 4.98 | 249,490 |
| United States Map Quiz | 0 | - | 4.98 | 4,163,675 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,964 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,252 |
| European Geography By Letter - F | 0 | - | 4.17 | 93,611 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,458 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,149 |
| European Geography By Letter - I | 0 | - | 4.09 | 95,889 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,527 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,011 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,146 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,749 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,442 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,934 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,443 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,390 |
| European Geography A-Z | 0 | - | 4.29 | 49,365 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,362 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,651 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,565 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,406 |
| Slavic Countries | 0 | - | 4.96 | 111,885 |
| Austria... or Australia? | 0 | - | 4.68 | 104,507 |
| Famous French People | 0 | - | 4.07 | 35,855 |
| Word Chain - France | 0 | - | 4.38 | 42,845 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.40 | 23,507 |
| Geography of Germany | 0 | - | 4.35 | 17,207 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,077 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,947 |
| Italian Foods | 0 | - | 4.30 | 72,940 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,419 |
| The Mafia Quiz | 0 | - | 4.46 | 23,371 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 438,038 |
