| European Countries by First 2 Letters | 0 | - | 4.95 | 532,293 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,678 |
| Official European Union Languages | 0 | - | 4.97 | 239,686 |
| European Countries in their Native Language | 0 | - | 4.99 | 158,580 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 430,663 |
| Celtic Nations | 0 | - | 4.61 | 47,085 |
| Europe Geography Decoder | 0 | - | 4.86 | 70,286 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 42,040 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,495 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.83 | 87,982 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 312,560 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 175,511 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,673 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,413 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,735 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 361,238 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,834 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 98,672 |
| Catholic Countries in Europe | 0 | - | 4.83 | 95,719 |
| European Geography By Letter - B #2 | 0 | - | 4.87 | 88,488 |
| Category Elimination - European Geography #3 | 0 | - | 4.86 | 81,915 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,342 |
| States of Germany | 0 | - | 4.95 | 154,338 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,653 |
| Regions of Italy | 0 | - | 4.92 | 76,969 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,763 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,238 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,710 |
| Asian Countries by First 2 Letters | 0 | - | 4.92 | 280,563 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 269,266 |
| Champions League Winners | 0 | - | 4.92 | 1,015,363 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,738 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,718 |
| Word Scramble - European Countries | 0 | - | 4.73 | 142,277 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 120,815 |
| Slavic Languages | 0 | - | 4.68 | 54,673 |
| Capitals of Italian Regions | 0 | - | 4.62 | 36,727 |
| Spanish Immigration by Country | 0 | - | 4.63 | 55,614 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 235,647 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 278,789 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 168,773 |
| Departments of France | 0 | - | 4.93 | 55,066 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,727 |
| England or Wales? | 0 | - | 4.94 | 45,944 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 131,982 |
| Australian Capitals | 0 | - | 4.92 | 62,826 |
| Europe Map Quiz | 0 | - | 5.00 | 4,785,868 |
| Country Codes of Europe | 0 | - | 3.43 | 13,805 |
| Top European Languages on a Map | 0 | - | 4.77 | 132,787 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,899 |
| Four Letter European Geography #1 | 0 | - | 4.41 | 28,515 |
| History of Russia Quiz | 0 | - | 4.47 | 31,999 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,864 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,064 |
| Capitals of French Regions | 0 | - | 4.45 | 16,173 |
| Capitals of German States | 0 | - | 4.74 | 29,064 |
| Chancellors of Germany, 1949–present | 0 | - | 4.60 | 23,529 |
| History of Italy | 0 | - | 4.55 | 32,138 |
| Italy Multiple Choice | 0 | - | 4.74 | 104,311 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,810 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,413 |
| Oceania Map Quiz | 0 | - | 4.98 | 658,873 |
| European Geography By Letter - A | 0 | - | 4.52 | 147,933 |
| European Geography By Letter - B #1 | 0 | - | 4.62 | 121,218 |
| European Geography By Letter - C | 0 | - | 4.43 | 123,524 |
| European Geography By Letter - D | 0 | - | 4.50 | 110,976 |
| European Geography By Letter - L | 0 | - | 4.52 | 114,823 |
| European Geography By Letter - M | 0 | - | 4.69 | 132,234 |
| European Geography By Letter - N | 0 | - | 4.44 | 101,933 |
| European Geography By Letter - R | 0 | - | 4.43 | 94,441 |
| European Geography By Letter - V | 0 | - | 4.42 | 93,667 |
| European Geography By Letter - T | 0 | - | 4.41 | 83,383 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,503 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,160 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,441 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,411 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 101,271 |
| Regions of France | 0 | - | 4.70 | 121,986 |
| France Immigration by Country | 0 | - | 4.70 | 76,902 |
| Famous Germans | 0 | - | 4.50 | 55,767 |
| German Groups of Things | 0 | - | 4.47 | 38,623 |
| Germany True or False? | 0 | - | 4.61 | 49,005 |
| Largest Islands of Greece | 0 | - | 4.59 | 48,436 |
| The Trojan War | 0 | - | 4.83 | 39,966 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 651,555 |
| Name that Greek Letter | 0 | - | 4.93 | 324,888 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 112,872 |
| Famous Italians by Clue | 0 | - | 4.45 | 90,323 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,561 |
| Roman Emperors | 0 | - | 4.95 | 121,102 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,713 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,398 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,766 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,452,117 |
| Asia Map Quiz | 0 | - | 4.99 | 924,540 |
| Africa Map Quiz | 0 | - | 5.00 | 2,127,869 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.96 | 51,410 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,809 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,887 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,634 |
| European Physical Geography | 0 | - | 4.26 | 33,589 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,997 |
| The Only European Country ... | 0 | - | 4.91 | 218,807 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,412 |
| Geography of Russia | 0 | - | 4.57 | 21,594 |
| History of Austria | 0 | - | 4.70 | 17,969 |
| Presidents of France | 0 | - | 4.25 | 24,327 |
| Geography of the French Empire | 0 | - | 4.45 | 27,210 |
| The French Revolution | 0 | - | 4.47 | 24,138 |
| France Multiple Choice | 0 | - | 4.39 | 40,834 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,556 |
| The Vikings! | 0 | - | 4.46 | 28,400 |
| The Portuguese Empire | 0 | - | 4.58 | 12,101 |
| Kings of Spain Quiz | 0 | - | 4.14 | 14,112 |
| American to British Word Translation | 0 | - | 4.14 | 139,651 |
| Languages of the United Kingdom | 0 | - | 4.14 | 41,048 |
| South and Central Asia Map Quiz | 0 | - | 4.94 | 99,874 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,784 |
| African East Coast | 0 | - | 4.96 | 96,704 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,555 |
| Australia Map Quiz | 0 | - | 4.95 | 346,056 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,094 |
| Slovakia... or Slovenia? | 0 | - | 4.69 | 42,114 |
| History of France | 0 | - | 4.61 | 57,570 |
| Olympian Gods Quiz | 0 | - | 4.96 | 503,545 |
| Sweden Immigration by Country | 0 | - | 4.53 | 56,363 |
| United Kingdom A-Z | 0 | - | 4.51 | 88,340 |
| Champions League Top 4 | 0 | - | 4.78 | 138,849 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,386,990 |
| Countries of Africa | 0 | - | 5.00 | 2,557,772 |
| United States Map Quiz | 0 | - | 4.98 | 4,170,496 |
| European Geography By Letter - E | 0 | - | 4.23 | 114,888 |
| European Geography By Letter - F | 0 | - | 4.15 | 94,206 |
| European Geography By Letter - H | 0 | - | 4.30 | 96,984 |
| European Geography By Letter - G | 0 | - | 4.27 | 103,706 |
| European Geography By Letter - I | 0 | - | 4.07 | 96,379 |
| European Geography By Letter - K | 0 | - | 4.15 | 71,005 |
| European Geography By Letter - O | 0 | - | 4.29 | 63,423 |
| European Geography by Letter - W | 0 | - | 4.21 | 83,463 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,873 |
| European Geography By Letter - S #2 | 0 | - | 4.20 | 51,753 |
| European Geography A-Z | 0 | - | 4.29 | 49,471 |
| Famous French People | 0 | - | 4.07 | 36,075 |
| Word Chain - France | 0 | - | 4.38 | 42,925 |
| Ancient Greek Words | 0 | - | 4.93 | 112,401 |
| Italian Foods | 0 | - | 4.30 | 73,228 |
| The Mafia Quiz | 0 | - | 4.46 | 23,432 |
| History of The Netherlands | 0 | - | 4.46 | 17,545 |
| Canary Islands | 0 | - | 4.62 | 17,522 |
| Switzerland Immigration by Country | 0 | - | 4.69 | 30,034 |
| British Spellings | 0 | - | 4.06 | 99,590 |
| British Groups of Things | 0 | - | 4.26 | 83,000 |
| British Acronyms | 0 | - | 4.40 | 45,927 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,099 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 32,094 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,799 |
| Name Every Beatles Song | 0 | - | 4.97 | 238,202 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 292,731 |
| 10 African Countries with the Most Tourists | 0 | - | 4.39 | 60,987 |
| Australian States and Territories | 0 | - | 4.96 | 142,796 |
| Australian Immigration by Country | 0 | - | 4.81 | 77,484 |
| Australia Country Quiz | 0 | - | 4.43 | 69,823 |
| Australia True or False | 0 | - | 4.87 | 57,128 |
| Flags of North and South America | 0 | - | 4.99 | 376,626 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,932 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,746 |
| Latin American Countries Map Quiz | 0 | - | 4.98 | 130,574 |
| South America Map Quiz | 0 | - | 5.00 | 1,556,097 |
| Uruguay Country Quiz | 0 | - | 4.84 | 31,742 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,030,646 |
| North America Map Quiz | 0 | - | 4.98 | 251,829 |
| Third Most Common Language by U.S. State | 0 | - | 4.87 | 113,958 |
| Canada Provinces and Territories | 0 | - | 5.00 | 345,890 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 644,336 |
| Most Spoken Languages in Canada | 0 | - | 4.91 | 55,539 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,151 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,256,778 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,335,096 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,436 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,983 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,601 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,723 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,285 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,111 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,727 |
| Slavic Countries | 0 | - | 4.96 | 112,316 |
| Austria... or Australia? | 0 | - | 4.68 | 104,745 |
| Geography of Germany | 0 | - | 4.35 | 17,271 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,214 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,034 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,619 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,585 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,487 |
| History of Spain | 0 | - | 4.23 | 21,163 |
| Languages of Spain | 0 | - | 4.36 | 23,426 |
| British to American Word Translation | 0 | - | 3.74 | 255,321 |
| British Foods by Description | 0 | - | 3.94 | 48,387 |
| British and American Word Differences | 0 | - | 2.63 | 46,925 |
| Counties of England | 0 | - | 4.97 | 802,374 |
| British Monopoly Board | 0 | - | 4.52 | 41,256 |
