| Monarchies of Europe | 0 | - | 4.90 | 97,676 |
| Name the English Monarchs | 0 | - | 4.92 | 499,979 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 527,636 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,607 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,568 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 76,666 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,296 |
| Monarchies of Asia | 0 | - | 4.97 | 70,816 |
| Europe Map Quiz | 0 | - | 5.00 | 4,744,846 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 210,938 |
| Countries Bordering France | 0 | - | 4.83 | 401,032 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,953 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,606 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,457 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 231,694 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,028 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,677 |
| Departments of France | 0 | - | 4.93 | 53,265 |
| Germany Country Quiz | 0 | - | 4.82 | 157,137 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,528 |
| Italy Country Quiz | 0 | - | 4.82 | 122,638 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,782 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,426 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,426 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,378 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,012 |
| England or Wales? | 0 | - | 4.94 | 45,476 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 68,837 |
| Official European Union Languages | 0 | - | 4.97 | 237,614 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,288 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 426,464 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,626 |
| Countries Bordering Austria | 0 | - | 4.97 | 118,014 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,689 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,970 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 95,325 |
| Counties of Ireland | 0 | - | 4.92 | 193,961 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,625 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,860 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,351 |
| Countries Closest to Spain | 0 | - | 4.96 | 226,187 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,418 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 129,423 |
| World Capitals Closest to London | 0 | - | 4.87 | 110,027 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 95,993 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,522 |
| Kings of France Quiz | 0 | - | 4.20 | 32,624 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,792 |
| The Trojan War | 0 | - | 4.83 | 39,551 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 111,122 |
| Countries that Beat Italy | 0 | - | 4.85 | 54,117 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,266 |
| Roman Emperors | 0 | - | 4.95 | 119,198 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,644 |
| British Monopoly Board | 0 | - | 4.52 | 41,096 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,866 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,156 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,735 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,258 |
| The Only European Country ... | 0 | - | 4.91 | 215,037 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,258 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,662 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,681 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,458 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,144 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,234,114 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,228 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,112 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,677 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,334 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,742 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,083 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,220 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 169,346 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,706 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,510 |
| Slavic Countries | 0 | - | 4.96 | 111,215 |
| France A-Z | 0 | - | 4.16 | 38,110 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,189 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,733 |
| Counties of England | 0 | - | 4.97 | 792,303 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 352,374 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,314 |
| Celtic Nations | 0 | - | 4.69 | 46,871 |
| European Geography By Letter - A | 0 | - | 4.61 | 132,661 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 111,117 |
| European Geography By Letter - C | 0 | - | 4.46 | 112,096 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,975 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,434 |
| European Geography By Letter - M | 0 | - | 4.64 | 129,296 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,021 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,803 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,434 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,593 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,792 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,842 |
| Famous Germans | 0 | - | 4.50 | 54,817 |
| Ancient Greece A-Z | 0 | - | 4.60 | 23,074 |
| Famous Irish People | 0 | - | 4.05 | 45,903 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,853 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,149 |
| UK Cities Map Quiz | 0 | - | 4.95 | 463,171 |
| British Geography A-Z | 0 | - | 4.41 | 19,464 |
| London A-Z | 0 | - | 4.10 | 40,694 |
| Champions League Winners | 0 | - | 4.92 | 1,000,447 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,796 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,318 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,881 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,458 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,216 |
| European Countries with One Border | 0 | - | 4.97 | 182,081 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,948 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,498 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,471 |
| Federal Subjects of Russia | 0 | - | 4.94 | 145,196 |
| Countries That Border Russia | 0 | - | 4.98 | 460,243 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,516 |
| Austria Country Quiz | 0 | - | 4.57 | 59,522 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,465 |
| France Country Quiz | 0 | - | 4.70 | 134,446 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,717 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,117 |
| States of Germany | 0 | - | 4.96 | 151,014 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,336 |
| Greece Country Quiz | 0 | - | 4.74 | 65,964 |
| Regions of Italy | 0 | - | 4.92 | 75,157 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,599 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,209 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 44,085 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,961 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,810 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,570 |
| Spain Country Quiz | 0 | - | 4.45 | 128,017 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,136 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,122 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,709 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,318 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,625 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,498 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,498 |
| English Royal Consorts | 0 | - | 4.37 | 37,265 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,614 |
| Counties of Wales | 0 | - | 4.63 | 39,062 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,167 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,611 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,565 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,432 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,673 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,424 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,846 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,091 |
| European Geography By Letter - G | 0 | - | 4.27 | 101,710 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,670 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,356 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,082 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,424 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,646 |
| European Geography A-Z | 0 | - | 4.29 | 49,103 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,288 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 275,669 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 258,572 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,852 |
| Russia Country Quiz | 0 | - | 4.85 | 114,015 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,070 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,183 |
| Austria... or Australia? | 0 | - | 4.68 | 104,088 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,716 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,865 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,836 |
| Countries Italy Declared War On | 0 | - | 4.75 | 43,134 |
| The Mafia Quiz | 0 | - | 4.46 | 23,248 |
| History of The Netherlands | 0 | - | 4.46 | 17,354 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,629 |
| Finland Country Quiz | 0 | - | 4.50 | 59,343 |
| Norway Country Quiz | 0 | - | 4.44 | 76,954 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,975 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,398 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,225 |
| British Acronyms | 0 | - | 4.39 | 45,696 |
| UK Immigration by Country | 0 | - | 4.94 | 140,074 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,881 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,808 |
| Medieval English History | 0 | - | 4.53 | 43,394 |
| Famous Scottish People | 0 | - | 4.22 | 18,352 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,199 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,674 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,257 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,008 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 81,739 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,738 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,500 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,923 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,626 |
| Word Scramble - European Countries | 0 | - | 4.70 | 141,261 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,073 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 113,801 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,299 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,101 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,439 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,974 |
