| European Countries by First 2 Letters | 0 | - | 4.96 | 454,046 |
| Official European Union Languages | 0 | - | 4.98 | 198,810 |
| European Countries in their Native Language | 0 | - | 4.99 | 142,904 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 382,048 |
| Celtic Nations | 0 | - | 4.76 | 44,519 |
| Countries that Beat Switzerland | 0 | - | 4.85 | 37,282 |
| Europe Geography Decoder | 0 | - | 4.89 | 62,797 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.82 | 38,914 |
| Add A Letter - Make a European City | 0 | - | 4.87 | 20,714 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.89 | 79,052 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 283,197 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 113,567 |
| Count to 10 in Europe: Pro | 0 | - | 4.79 | 60,605 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.71 | 53,473 |
| Regions of Spain Quiz | 0 | - | 4.85 | 93,567 |
| Cantons of Switzerland | 0 | - | 4.96 | 39,770 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 253,022 |
| African Countries by First 2 Letters | 0 | - | 4.95 | 243,079 |
| Catholic Countries in Europe | 0 | - | 4.87 | 82,773 |
| Federal Subjects of Russia | 0 | - | 4.95 | 110,298 |
| States of Germany | 0 | - | 4.94 | 121,689 |
| Germany Immigration by Country | 0 | - | 4.90 | 68,922 |
| Counties of Ireland | 0 | - | 4.89 | 157,337 |
| Regions of Italy | 0 | - | 4.88 | 59,566 |
| Champions League Winners | 0 | - | 4.90 | 839,058 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 31,332 |
| Spanish Immigration by Country | 0 | - | 4.58 | 51,540 |
| Switzerland Immigration by Country | 0 | - | 4.81 | 19,872 |
| Pre-Euro Currencies | 0 | - | 4.42 | 49,171 |
| Word Scramble - European Countries | 0 | - | 4.71 | 112,881 |
| Top 20 Football Clubs in Europe | 0 | - | 4.49 | 83,509 |
| Slavic Languages | 0 | - | 4.58 | 48,415 |
| Countries Surrounding Rome | 0 | - | 4.96 | 46,396 |
| England or Wales? | 0 | - | 4.93 | 39,848 |
| All Champions League Teams Ever | 0 | - | 4.89 | 102,503 |
| Category Elimination - European Geography #1 | 0 | - | 4.97 | 198,279 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 244,235 |
| Geography of the Dutch Empire | 0 | - | 4.70 | 32,162 |
| Countries of the Spanish Empire | 0 | - | 4.51 | 64,948 |
| Australian Capitals | 0 | - | 4.90 | 52,950 |
| Europe Map Quiz | 0 | - | 5.00 | 4,256,352 |
| Country Codes of Europe | 0 | - | 3.34 | 12,674 |
| Top European Languages on a Map | 0 | - | 4.76 | 116,749 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.93 | 55,548 |
| Russia Multiple Choice | 0 | - | 4.56 | 37,836 |
| Capitals of German States | 0 | - | 4.67 | 26,982 |
| Chancellors of Germany, 1949–present | 0 | - | 4.56 | 13,315 |
| Germany Multiple Choice | 0 | - | 4.80 | 48,866 |
| Capitals of Italian Regions | 0 | - | 4.52 | 25,995 |
| Italy Multiple Choice | 0 | - | 4.72 | 92,793 |
| Ancient Roman Trivia #1 | 0 | - | 4.84 | 71,296 |
| Roman Emperors | 0 | - | 4.95 | 94,787 |
| Provinces of the Netherlands | 0 | - | 4.61 | 32,975 |
| 100 Greatest Britons Quiz | 0 | - | 4.44 | 45,887 |
| British Acronyms | 0 | - | 4.42 | 43,189 |
| Foods in a Full English Breakfast | 0 | - | 4.41 | 72,757 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,334,787 |
| Asia Map Quiz | 0 | - | 4.99 | 774,316 |
| Africa Map Quiz | 0 | - | 5.00 | 1,925,742 |
| Oceania Map Quiz | 0 | - | 4.97 | 562,536 |
| European Geography By Letter - A | 0 | - | 4.55 | 123,620 |
| European Geography By Letter - B #1 | 0 | - | 4.72 | 103,005 |
| European Geography By Letter - C | 0 | - | 4.44 | 104,400 |
| European Geography By Letter - D | 0 | - | 4.52 | 99,005 |
| European Geography By Letter - L | 0 | - | 4.50 | 104,435 |
| European Geography By Letter - M | 0 | - | 4.55 | 113,924 |
| European Geography By Letter - P | 0 | - | 4.79 | 89,089 |
| European Geography By Letter - N | 0 | - | 4.43 | 93,077 |
| European Geography By Letter - V | 0 | - | 4.45 | 85,913 |
| Europe Geography Quiz #1 | 0 | - | 4.52 | 66,739 |
| Europe Geography Quiz #2 | 0 | - | 4.56 | 67,225 |
| Europe Geography Quiz #4 | 0 | - | 4.56 | 65,921 |
| Europe Geography Quiz #5 | 0 | - | 4.53 | 57,617 |
| European Geography By Letter - S #1 | 0 | - | 4.57 | 93,530 |
| European Geography A-Z | 0 | - | 4.43 | 45,067 |
| French Geography Quiz #1 | 0 | - | 4.86 | 30,782 |
| Regions of France | 0 | - | 4.64 | 99,068 |
| France Immigration by Country | 0 | - | 4.80 | 68,324 |
| German Groups of Things | 0 | - | 4.43 | 35,765 |
| Germany True or False? | 0 | - | 4.64 | 44,121 |
| Largest Islands of Greece | 0 | - | 4.56 | 38,962 |
| The Trojan War | 0 | - | 4.81 | 35,663 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 579,822 |
| The Vikings! | 0 | - | 4.44 | 27,017 |
| The Portuguese Empire | 0 | - | 4.54 | 11,292 |
| Kings of Spain Quiz | 0 | - | 4.12 | 12,738 |
| British Words Quiz #2 | 0 | - | 4.03 | 106,594 |
| Languages of the United Kingdom | 0 | - | 4.10 | 38,190 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,704 |
| African East Coast | 0 | - | 4.97 | 83,318 |
| Western Africa Map Quiz | 0 | - | 4.97 | 59,989 |
| Oceanian Capitals - Map Quiz | 0 | - | 4.95 | 39,668 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 194,117 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.92 | 86,407 |
| Countries That Use the Euro | 0 | - | 4.91 | 61,538 |
| European Physical Geography | 0 | - | 4.19 | 31,820 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 90,912 |
| The Only European Country ... | 0 | - | 4.94 | 176,052 |
| History of Russia Quiz | 0 | - | 4.48 | 29,737 |
| Geography of Russia | 0 | - | 4.54 | 20,082 |
| Capitals of French Regions | 0 | - | 4.40 | 14,682 |
| Presidents of France | 0 | - | 4.22 | 19,910 |
| Geography of the French Empire | 0 | - | 4.49 | 25,213 |
| The French Revolution | 0 | - | 4.44 | 21,811 |
| Name that Greek Letter | 0 | - | 4.94 | 294,225 |
| History of Ireland Quiz | 0 | - | 4.43 | 18,783 |
| History of Italy | 0 | - | 4.49 | 29,652 |
| Sweden Immigration by Country | 0 | - | 4.66 | 41,941 |
| United Kingdom A-Z | 0 | - | 4.53 | 80,212 |
| Champions League Top 4 | 0 | - | 4.76 | 102,224 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,273,566 |
| Countries of Africa | 0 | - | 5.00 | 2,141,911 |
| Australia Map Quiz | 0 | - | 4.94 | 317,336 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 333,944 |
| Slovakia... or Slovenia? | 0 | - | 4.79 | 39,488 |
| History of France Quiz | 0 | - | 4.55 | 39,484 |
| Olympian Gods Quiz | 0 | - | 4.96 | 455,142 |
| Canary Islands | 0 | - | 4.60 | 16,495 |
| British Spellings Quiz | 0 | - | 4.04 | 94,417 |
| British Groups of Things | 0 | - | 4.26 | 79,945 |
| United Kingdom Decoder | 0 | - | 4.27 | 38,650 |
| Beatles Songs Quiz | 0 | - | 4.94 | 204,266 |
| Bohemian Rhapsody Lyrics | 0 | - | 4.98 | 271,807 |
| 10 African Countries with the Most Tourists | 0 | - | 4.40 | 53,059 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 18,924 |
| United States Map Quiz | 0 | - | 4.98 | 3,881,800 |
| European Geography By Letter - E | 0 | - | 4.19 | 104,790 |
| European Geography By Letter - F | 0 | - | 4.14 | 84,624 |
| European Geography By Letter - H | 0 | - | 4.29 | 88,171 |
| European Geography By Letter - G | 0 | - | 4.24 | 94,649 |
| European Geography By Letter - I | 0 | - | 4.09 | 88,383 |
| European Geography By Letter - K | 0 | - | 4.16 | 64,165 |
| European Geography By Letter - O | 0 | - | 4.27 | 57,446 |
| European Geography By Letter - R | 0 | - | 4.39 | 87,159 |
| European Geography by Letter - W | 0 | - | 4.21 | 77,989 |
| European Geography By Letter - T | 0 | - | 4.39 | 70,594 |
| Europe Geography Quiz #3 | 0 | - | 4.31 | 59,670 |
| European Geography By Letter - S #2 | 0 | - | 4.16 | 46,466 |
| Word Chain - Russia | 0 | - | 4.41 | 14,756 |
| Word Chain - France | 0 | - | 4.38 | 39,775 |
| Famous Germans | 0 | - | 4.39 | 35,091 |
| Ancient Greek Words | 0 | - | 4.90 | 96,276 |
| Famous Italians | 0 | - | 4.40 | 65,538 |
| Italian Foods | 0 | - | 4.25 | 63,488 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 396,439 |
| Two Letter Roman Numerals | 0 | - | 4.98 | 48,052 |
| History of Spain Quiz | 0 | - | 4.33 | 19,491 |
| Languages of Spain | 0 | - | 4.34 | 21,192 |
| British Words Quiz #1 | 0 | - | 3.78 | 235,704 |
| British Foods | 0 | - | 3.83 | 46,967 |
| British and American Word Differences | 0 | - | 2.67 | 44,316 |
| Counties of England | 0 | - | 4.96 | 683,286 |
| British Monopoly Board | 0 | - | 4.50 | 38,824 |
| British Geography Quiz #2 | 0 | - | 4.27 | 26,245 |
| Bridges of London | 0 | - | 4.11 | 9,309 |
| British Sport Trivia | 0 | - | 4.32 | 19,167 |
| Famous Welsh People | 0 | - | 4.12 | 9,240 |
| Flags of Asia Quiz | 0 | - | 4.99 | 518,911 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,616 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,863 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,058 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,822 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 109,991 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,716 |
| Top Asian Languages on a Map | 0 | - | 4.93 | 59,935 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 208,847 |
| Countries of the Middle East | 0 | - | 4.96 | 171,426 |
| Countries where Arabic is an Official Language | 0 | - | 4.83 | 51,872 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 91,011 |
| Flags of Africa Quiz | 0 | - | 4.99 | 381,240 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 196,440 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 103,953 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 129,891 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 118,196 |
| Top African Languages on a Map | 0 | - | 4.91 | 51,390 |
| African Island Countries | 0 | - | 4.96 | 88,551 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 221,193 |
| Australian States and Territories | 0 | - | 4.96 | 128,209 |
| Australia Country Quiz | 0 | - | 4.44 | 57,124 |
| Australian True or False | 0 | - | 4.90 | 50,848 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 106,438 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 131,323 |
| Latin American Countries Map Quiz | 0 | - | 4.97 | 105,033 |
| South America Map Quiz | 0 | - | 5.00 | 1,410,467 |
| Countries of North America Quiz | 0 | - | 5.00 | 869,530 |
| North America Map Quiz | 0 | - | 4.98 | 194,659 |
| Third Most Common Language by U.S. State | 0 | - | 4.90 | 106,051 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 573,336 |
| Most Spoken Languages in Canada | 0 | - | 4.82 | 46,376 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 36,938 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,032,803 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,171,311 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 159,578 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 137,463 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.94 | 183,494 |
| European Landmarks Map Quiz | 0 | - | 4.98 | 76,267 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.90 | 47,807 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 73,773 |
| Eastern Europe Map Quiz | 0 | - | 4.88 | 114,750 |
| Slavic Countries | 0 | - | 4.96 | 99,804 |
