| European Countries by First 2 Letters | 0 | - | 4.96 | 513,672 |
| Germany Multiple Choice | 0 | - | 4.83 | 52,574 |
| Save Europeans by Guessing Countries | 0 | - | 4.85 | 196,857 |
| Russia Multiple Choice | 0 | - | 4.57 | 39,832 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 66,049 |
| Official European Union Languages | 0 | - | 4.98 | 230,039 |
| European Countries in their Native Language | 0 | - | 4.99 | 152,470 |
| England or Wales? | 0 | - | 4.94 | 43,755 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 413,202 |
| Slavic Languages | 0 | - | 4.65 | 52,329 |
| Europe Geography Decoder | 0 | - | 4.85 | 67,657 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.84 | 41,064 |
| Countries that Beat Switzerland | 0 | - | 4.87 | 40,543 |
| Italy Multiple Choice | 0 | - | 4.74 | 100,436 |
| Australia True or False | 0 | - | 4.87 | 55,045 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 22,545 |
| Celtic Nations | 0 | - | 4.74 | 46,191 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.85 | 84,753 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 300,953 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 150,596 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 330,454 |
| Germany True or False? | 0 | - | 4.63 | 47,268 |
| Australia... or New Zealand? | 0 | - | 4.83 | 59,106 |
| Catholic Countries in Europe | 0 | - | 4.83 | 90,918 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.70 | 56,789 |
| European Geography By Letter - B #2 | 0 | - | 4.81 | 66,533 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 75,253 |
| Federal Subjects of Russia | 0 | - | 4.94 | 133,375 |
| Slovakia... or Slovenia? | 0 | - | 4.70 | 41,029 |
| France Multiple Choice | 0 | - | 4.37 | 40,106 |
| States of Germany | 0 | - | 4.95 | 140,907 |
| Germany Immigration by Country | 0 | - | 4.86 | 76,861 |
| States of the German Confederation in 1848 | 0 | - | 4.86 | 29,852 |
| Counties of Ireland | 0 | - | 4.91 | 178,796 |
| Regions of Italy | 0 | - | 4.91 | 69,556 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 35,741 |
| Regions of Spain Quiz | 0 | - | 4.89 | 106,372 |
| Cantons of Switzerland | 0 | - | 4.97 | 46,490 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 16,829 |
| Champions League Winners | 0 | - | 4.92 | 960,217 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 220,802 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 265,907 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 157,775 |
| Departments of France | 0 | - | 4.90 | 46,492 |
| Countries Surrounding Rome | 0 | - | 4.96 | 48,475 |
| All UEFA Champions League Teams Ever | 0 | - | 4.83 | 122,765 |
| Pre-Euro Currencies | 0 | - | 4.43 | 51,607 |
| Word Scramble - European Countries | 0 | - | 4.74 | 136,864 |
| Top 20 Football Clubs in Europe | 0 | - | 4.47 | 106,325 |
| Capitals of Italian Regions | 0 | - | 4.61 | 35,782 |
| Spanish Immigration by Country | 0 | - | 4.63 | 54,379 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 62,159 |
| French Geography Quiz #1 | 0 | - | 4.88 | 33,438 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 620,446 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 260,158 |
| Canada Multiple Choice Quiz | 0 | - | 4.53 | 47,054 |
| Top European Languages on a Map | 0 | - | 4.78 | 127,179 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 44,392 |
| Country Quiz on a Map - Germany | 0 | - | 4.94 | 32,232 |
| The Trojan War | 0 | - | 4.81 | 38,146 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.84 | 104,335 |
| Ancient Roman Trivia #1 | 0 | - | 4.83 | 76,374 |
| Roman Emperors | 0 | - | 4.96 | 110,873 |
| Geography of the Dutch Empire | 0 | - | 4.68 | 33,772 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 76,386 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 270,424 |
| Japan Multiple Choice | 0 | - | 4.48 | 39,780 |
| Australian Capitals | 0 | - | 4.92 | 62,036 |
| European Geography By Letter - A | 0 | - | 4.61 | 129,757 |
| European Geography By Letter - B #1 | 0 | - | 4.70 | 108,170 |
| European Geography By Letter - C | 0 | - | 4.46 | 109,413 |
| European Geography By Letter - D | 0 | - | 4.51 | 104,136 |
| European Geography By Letter - L | 0 | - | 4.52 | 109,565 |
| European Geography By Letter - M | 0 | - | 4.53 | 118,820 |
| European Geography By Letter - P | 0 | - | 4.79 | 94,014 |
| European Geography By Letter - N | 0 | - | 4.43 | 97,497 |
| European Geography By Letter - R | 0 | - | 4.41 | 90,690 |
| European Geography By Letter - V | 0 | - | 4.44 | 89,986 |
| Europe Map Quiz | 0 | - | 5.00 | 4,600,205 |
| Europe Geography Quiz #1 | 0 | - | 4.54 | 69,857 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 70,395 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 68,872 |
| Europe Geography Quiz #5 | 0 | - | 4.54 | 60,061 |
| European Geography By Letter - S #1 | 0 | - | 4.61 | 97,522 |
| Four Letter European Geography #1 | 0 | - | 4.49 | 25,121 |
| Four Letter European Geography #2 | 0 | - | 4.55 | 18,027 |
| Capitals of French Regions | 0 | - | 4.42 | 15,615 |
| Regions of France | 0 | - | 4.74 | 113,170 |
| France Immigration by Country | 0 | - | 4.77 | 73,974 |
| Famous Germans | 0 | - | 4.42 | 40,751 |
| German Groups of Things | 0 | - | 4.46 | 37,660 |
| Capitals of German States | 0 | - | 4.72 | 28,318 |
| Chancellors of Germany, 1949–present | 0 | - | 4.57 | 22,276 |
| Largest Islands of Greece | 0 | - | 4.59 | 45,188 |
| Olympian Gods Quiz | 0 | - | 4.96 | 474,122 |
| Name that Greek Letter | 0 | - | 4.93 | 313,292 |
| Ancient Greek Words | 0 | - | 4.92 | 106,538 |
| Famous Italians by Clue | 0 | - | 4.45 | 76,079 |
| Provinces of the Netherlands | 0 | - | 4.76 | 38,075 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 47,417 |
| Foods in a Full English Breakfast | 0 | - | 4.45 | 98,907 |
| Beatles Songs Quiz | 0 | - | 4.96 | 225,529 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 284,965 |
| Africa Map Quiz | 0 | - | 5.00 | 2,051,118 |
| Oceania Map Quiz | 0 | - | 4.98 | 611,605 |
| European Physical Geography | 0 | - | 4.24 | 32,942 |
| History of Russia Quiz | 0 | - | 4.48 | 31,273 |
| Geography of Russia | 0 | - | 4.56 | 21,015 |
| History of Austria | 0 | - | 4.69 | 17,301 |
| Geography of the French Empire | 0 | - | 4.51 | 26,346 |
| The French Revolution | 0 | - | 4.45 | 23,046 |
| History of France Quiz | 0 | - | 4.56 | 41,956 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.42 | 22,970 |
| History of Ireland Quiz | 0 | - | 4.44 | 20,428 |
| History of Italy | 0 | - | 4.54 | 31,220 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 421,362 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 53,419 |
| The Vikings! | 0 | - | 4.46 | 27,908 |
| Sweden Immigration by Country | 0 | - | 4.54 | 53,998 |
| The Portuguese Empire | 0 | - | 4.54 | 11,779 |
| American to British Word Translation | 0 | - | 4.02 | 115,054 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,020 |
| United Kingdom A-Z | 0 | - | 4.53 | 85,313 |
| British Geography Multiple Choice | 0 | - | 4.48 | 42,568 |
| Champions League Top 4 | 0 | - | 4.70 | 125,120 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,408,719 |
| Asia Map Quiz | 0 | - | 4.99 | 868,012 |
| North Korea... or South Korea? | 0 | - | 4.48 | 78,791 |
| Countries of Africa | 0 | - | 5.00 | 2,393,280 |
| African East Coast | 0 | - | 4.96 | 91,568 |
| Western Africa Map Quiz | 0 | - | 4.97 | 69,284 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 46,773 |
| Australia Map Quiz | 0 | - | 4.94 | 335,705 |
| United States Map Quiz | 0 | - | 4.98 | 4,075,689 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 202,987 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 90,168 |
| Countries That Use the Euro | 0 | - | 4.94 | 80,887 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 354,266 |
| European Geography By Letter - E | 0 | - | 4.22 | 109,779 |
| European Geography By Letter - F | 0 | - | 4.18 | 89,331 |
| European Geography By Letter - H | 0 | - | 4.29 | 93,040 |
| European Geography By Letter - G | 0 | - | 4.25 | 99,055 |
| European Geography By Letter - I | 0 | - | 4.11 | 92,523 |
| European Geography By Letter - K | 0 | - | 4.15 | 67,362 |
| European Geography By Letter - O | 0 | - | 4.29 | 60,332 |
| European Geography by Letter - W | 0 | - | 4.21 | 80,999 |
| European Geography By Letter - T | 0 | - | 4.40 | 73,522 |
| Europe Geography Quiz #3 | 0 | - | 4.33 | 62,403 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 49,101 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 106,708 |
| European Geography A-Z | 0 | - | 4.31 | 47,937 |
| Country Codes of Europe | 0 | - | 3.42 | 13,368 |
| The Only European Country ... | 0 | - | 4.91 | 201,416 |
| European Countries NOT in NATO | 0 | - | 4.88 | 52,644 |
| Austria... or Australia? | 0 | - | 4.73 | 101,995 |
| Presidents of France | 0 | - | 4.25 | 22,582 |
| Word Chain - France | 0 | - | 4.37 | 41,849 |
| Ancient Greek Trivia | 0 | - | 4.61 | 65,663 |
| Figures from Greek Mythology | 0 | - | 4.90 | 177,243 |
| Italian Foods | 0 | - | 4.30 | 69,742 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,064 |
| The Mafia Quiz | 0 | - | 4.46 | 22,745 |
| History of The Netherlands | 0 | - | 4.45 | 16,757 |
| Famous Nordic People | 0 | - | 4.41 | 11,027 |
| Kings of Spain Quiz | 0 | - | 4.14 | 13,639 |
| Canary Islands | 0 | - | 4.61 | 17,123 |
| Switzerland Immigration by Country | 0 | - | 4.78 | 27,109 |
| British Spellings Quiz | 0 | - | 4.07 | 97,987 |
| British Groups of Things | 0 | - | 4.25 | 82,134 |
| British Acronyms | 0 | - | 4.39 | 44,959 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,556 |
| British Monopoly Board | 0 | - | 4.51 | 40,500 |
| Geography of Scotland | 0 | - | 4.63 | 20,849 |
| South and Central Asia Map Quiz | 0 | - | 4.93 | 91,228 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,349,613 |
| Bhutan... or Nepal? | 0 | - | 4.59 | 17,011 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 96,166 |
| Flags of Africa Quiz | 0 | - | 5.00 | 433,252 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 26,261 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 210,057 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 112,316 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 156,157 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 130,558 |
| Top African Languages on a Map | 0 | - | 4.92 | 66,778 |
| African Island Countries | 0 | - | 4.96 | 97,062 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 236,046 |
| Australian States and Territories | 0 | - | 4.96 | 137,052 |
| Australian Immigration by Country | 0 | - | 4.82 | 75,862 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 339,373 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 110,704 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 139,355 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 121,643 |
| South America Map Quiz | 0 | - | 5.00 | 1,504,209 |
| Countries of North America Quiz | 0 | - | 5.00 | 967,366 |
| North America Map Quiz | 0 | - | 4.98 | 229,245 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 111,973 |
| Canada Provinces and Territories | 0 | - | 5.00 | 320,864 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 614,555 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 52,329 |
| Straight Shot to Antarctica | 0 | - | 4.93 | 40,836 |
