| European Countries by First 2 Letters | 0 | - | 4.95 | 529,553 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 213,419 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,130 |
| Official European Union Languages | 0 | - | 4.97 | 238,505 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,857 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 428,202 |
| Slavic Languages | 0 | - | 4.68 | 54,362 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,988 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,833 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,729 |
| 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 | 87,372 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,511 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 171,858 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,355 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 32,008 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 355,982 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,132 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,492 |
| European Geography By Letter - B #2 | 0 | - | 4.85 | 78,571 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 80,987 |
| Federal Subjects of Russia | 0 | - | 4.95 | 147,162 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 41,962 |
| States of Germany | 0 | - | 4.96 | 152,587 |
| Germany Immigration by Country | 0 | - | 4.85 | 81,036 |
| Regions of Italy | 0 | - | 4.92 | 75,876 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,163 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,944 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,207 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,700 |
| Champions League Winners | 0 | - | 4.92 | 1,006,739 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,263 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,827 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,133 |
| Departments of France | 0 | - | 4.93 | 54,110 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,546 |
| England or Wales? | 0 | - | 4.94 | 45,689 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 130,350 |
| 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 | 114,971 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,613 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,466 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,452 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,769 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 647,432 |
| Name that Greek Letter | 0 | - | 4.93 | 323,452 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 268,214 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,087 |
| History of Russia Quiz | 0 | - | 4.47 | 31,918 |
| The Trojan War | 0 | - | 4.83 | 39,728 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,845 |
| History of Italy | 0 | - | 4.55 | 31,975 |
| Italy Multiple Choice | 0 | - | 4.74 | 103,783 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,534 |
| Roman Emperors | 0 | - | 4.95 | 120,048 |
| 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 | 279,151 |
| Australian Capitals | 0 | - | 4.92 | 62,722 |
| European Geography By Letter - A | 0 | - | 4.52 | 146,272 |
| European Geography By Letter - B #1 | 0 | - | 4.64 | 119,041 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,997 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,641 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,534 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,676 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,557 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,864 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,711 |
| European Geography By Letter - V | 0 | - | 4.43 | 93,019 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,448 |
| Europe Map Quiz | 0 | - | 5.00 | 4,763,002 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,275 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 71,941 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,226 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,234 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,616 |
| Four Letter European Geography #2 | 0 | - | 4.57 | 20,436 |
| Capitals of French Regions | 0 | - | 4.45 | 16,073 |
| Regions of France | 0 | - | 4.72 | 120,792 |
| France Immigration by Country | 0 | - | 4.70 | 76,519 |
| Famous Germans | 0 | - | 4.50 | 55,294 |
| German Groups of Things | 0 | - | 4.46 | 38,479 |
| Capitals of German States | 0 | - | 4.74 | 28,955 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,334 |
| Germany True or False? | 0 | - | 4.61 | 48,805 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,016 |
| Olympian Gods Quiz | 0 | - | 4.96 | 500,836 |
| Ancient Greek Words | 0 | - | 4.93 | 111,599 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,500 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,357 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,266 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,248 |
| Name Every Beatles Song | 0 | - | 4.97 | 236,273 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 291,717 |
| Africa Map Quiz | 0 | - | 5.00 | 2,117,893 |
| Oceania Map Quiz | 0 | - | 4.98 | 642,321 |
| European Physical Geography | 0 | - | 4.26 | 33,510 |
| Geography of Russia | 0 | - | 4.57 | 21,528 |
| History of Austria | 0 | - | 4.70 | 17,861 |
| Geography of the French Empire | 0 | - | 4.45 | 27,060 |
| The French Revolution | 0 | - | 4.47 | 23,933 |
| France Multiple Choice | 0 | - | 4.39 | 40,741 |
| History of France | 0 | - | 4.59 | 56,979 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,113 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,133 |
| The Vikings! | 0 | - | 4.46 | 28,343 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,127 |
| The Portuguese Empire | 0 | - | 4.58 | 12,064 |
| American to British Word Translation | 0 | - | 4.14 | 139,058 |
| Languages of the United Kingdom | 0 | - | 4.13 | 40,894 |
| United Kingdom A-Z | 0 | - | 4.52 | 88,037 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,666 |
| Champions League Top 4 | 0 | - | 4.77 | 136,458 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,448,232 |
| Asia Map Quiz | 0 | - | 4.99 | 916,771 |
| Countries of Africa | 0 | - | 5.00 | 2,537,029 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,828 |
| African East Coast | 0 | - | 4.96 | 96,066 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,884 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 50,690 |
| Australia Map Quiz | 0 | - | 4.95 | 344,615 |
| United States Map Quiz | 0 | - | 4.98 | 4,158,454 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,257 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,653 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,032 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 364,460 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,707 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,936 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,072 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,737 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,551 |
| European Geography By Letter - K | 0 | - | 4.14 | 70,189 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,752 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,935 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,674 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,201 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,250 |
| European Geography A-Z | 0 | - | 4.29 | 49,268 |
| Country Codes of Europe | 0 | - | 3.43 | 13,725 |
| The Only European Country ... | 0 | - | 4.91 | 216,630 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,134 |
| Four Letter European Geography #1 | 0 | - | 4.40 | 28,148 |
| Austria... or Australia? | 0 | - | 4.68 | 104,348 |
| Famous French People | 0 | - | 4.06 | 35,582 |
| Presidents of France | 0 | - | 4.25 | 24,138 |
| Word Chain - France | 0 | - | 4.38 | 42,779 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,997 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,913 |
| Figures from Greek Mythology | 0 | - | 4.91 | 186,959 |
| Italian Foods | 0 | - | 4.30 | 72,784 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,331 |
| The Mafia Quiz | 0 | - | 4.46 | 23,321 |
| History of The Netherlands | 0 | - | 4.46 | 17,435 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,043 |
| Canary Islands | 0 | - | 4.62 | 17,481 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 29,703 |
| British Spellings | 0 | - | 4.06 | 99,451 |
| British Groups of Things | 0 | - | 4.25 | 82,866 |
| British Acronyms | 0 | - | 4.40 | 45,799 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,035 |
| British Monopoly Board | 0 | - | 4.52 | 41,168 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,783 |
| Geography of Scotland | 0 | - | 4.63 | 21,616 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 98,974 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,979 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,971 |
| Flags of Africa Quiz | 0 | - | 5.00 | 471,312 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,983 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,577 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,236 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,264 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,507 |
| Top African Languages on a Map | 0 | - | 4.92 | 74,046 |
| African Island Countries | 0 | - | 4.96 | 101,633 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,413 |
| All First-Level Subdivisions of Africa on a Map | 0 | - | 4.92 | 33,270 |
| Australian States and Territories | 0 | - | 4.96 | 141,970 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,285 |
| Australia True or False | 0 | - | 4.87 | 56,856 |
| Flags of North and South America | 0 | - | 4.99 | 373,097 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,608 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,225 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 129,759 |
| South America Map Quiz | 0 | - | 5.00 | 1,549,753 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,242 |
| North America Map Quiz | 0 | - | 4.98 | 248,510 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,732 |
| Canada Provinces and Territories | 0 | - | 5.00 | 342,537 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 640,419 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,160 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,882 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,244,161 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,701 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,668 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,209 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,711 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,152 |
