| Monarchies of Europe | 0 | - | 4.90 | 97,241 |
| Counties of England | 0 | - | 4.97 | 788,601 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,127 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,283 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,145 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,151 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,687 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,032 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,596 |
| States of Germany | 0 | - | 4.96 | 149,876 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,943 |
| Regions of Italy | 0 | - | 4.92 | 74,620 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,758 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,187 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,071 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,862 |
| Monarchies of Asia | 0 | - | 4.97 | 70,556 |
| Europe Map Quiz | 0 | - | 5.00 | 4,728,625 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,156 |
| Famous Germans | 0 | - | 4.50 | 54,578 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,276 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,031 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,189 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,057 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,311 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,986 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,096 |
| Departments of France | 0 | - | 4.93 | 52,710 |
| Germany Country Quiz | 0 | - | 4.82 | 156,443 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,075 |
| Italy Country Quiz | 0 | - | 4.82 | 122,114 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,282 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,009 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,348 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,894 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,549 |
| Name the English Monarchs | 0 | - | 4.92 | 497,558 |
| England or Wales? | 0 | - | 4.94 | 45,289 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,541 |
| Official European Union Languages | 0 | - | 4.97 | 236,405 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,627 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,950 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,178 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,363 |
| Kings of France Quiz | 0 | - | 4.20 | 32,544 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,454 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,298 |
| Malta Country Quiz | 0 | - | 4.81 | 30,798 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,809 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,144 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,496 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,405 |
| The Only European Country ... | 0 | - | 4.91 | 213,595 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,383 |
| The Mafia Quiz | 0 | - | 4.46 | 23,195 |
| History of The Netherlands | 0 | - | 4.46 | 17,302 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,542 |
| British Acronyms | 0 | - | 4.39 | 45,605 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,915 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,930 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,876 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,623 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,225 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,140 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,423 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,806 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,639 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,644 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,186 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,092 |
| Slavic Countries | 0 | - | 4.96 | 110,795 |
| France A-Z | 0 | - | 4.16 | 38,044 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,027 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,847 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,384 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,228 |
| Celtic Nations | 0 | - | 4.69 | 46,800 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,330 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,838 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,774 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,645 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,169 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,802 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,630 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,594 |
| European Geography By Letter - V | 0 | - | 4.43 | 91,996 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,257 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,562 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,723 |
| Regions of France | 0 | - | 4.78 | 119,098 |
| France Immigration by Country | 0 | - | 4.72 | 75,930 |
| German Groups of Things | 0 | - | 4.46 | 38,294 |
| Germany True or False? | 0 | - | 4.61 | 48,513 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,423 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,742 |
| UK Cities Map Quiz | 0 | - | 4.95 | 461,985 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,890 |
| Champions League Winners | 0 | - | 4.92 | 995,465 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,227 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,983 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,266 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,724 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,716 |
| European Countries with One Border | 0 | - | 4.97 | 181,511 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,066 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,827 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,330 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,288 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,024 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,732 |
| Countries That Border Russia | 0 | - | 4.98 | 458,660 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,128 |
| Austria Country Quiz | 0 | - | 4.57 | 59,303 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,181 |
| Famous French People | 0 | - | 4.12 | 27,899 |
| France Country Quiz | 0 | - | 4.70 | 133,760 |
| Countries Bordering France | 0 | - | 4.85 | 397,723 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,813 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,493 |
| Greece Country Quiz | 0 | - | 4.74 | 65,721 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,454 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,207 |
| Netherlands Country Quiz | 0 | - | 4.50 | 79,919 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,729 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,664 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,300 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,540 |
| Spain Country Quiz | 0 | - | 4.45 | 127,530 |
| Switzerland Country Quiz | 0 | - | 4.51 | 62,909 |
| Counties of England Map Quiz | 0 | - | 4.97 | 305,997 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,555 |
| People on Money - England | 0 | - | 4.29 | 16,559 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,159 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,158 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,723 |
| Geography of the British Empire | 0 | - | 4.48 | 39,464 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,397 |
| Counties of Wales | 0 | - | 4.63 | 38,842 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,946 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,398 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,008 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,027 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,496 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,160 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,404 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,846 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,223 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,440 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,116 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,893 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,273 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,482 |
| European Geography A-Z | 0 | - | 4.28 | 48,972 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,110 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,037 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,427 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,093 |
| Russia Country Quiz | 0 | - | 4.85 | 113,585 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,806 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,005 |
| Word Chain - France | 0 | - | 4.38 | 42,570 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,747 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,759 |
| Italian Foods | 0 | - | 4.30 | 72,136 |
| Canary Islands | 0 | - | 4.61 | 17,390 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,698 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,103 |
| British Spellings | 0 | - | 4.07 | 99,193 |
| British Groups of Things | 0 | - | 4.25 | 82,659 |
| UK Immigration by Country | 0 | - | 4.94 | 139,520 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,942 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,027 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.62 | 24,399 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,157 |
| Geography of Scotland | 0 | - | 4.63 | 21,468 |
| Medieval English History | 0 | - | 4.53 | 43,297 |
| Famous Scottish People | 0 | - | 4.22 | 18,321 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,351 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,463 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,604 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,475 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,055 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,162 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,083 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,428 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,761 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,935 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,792 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,873 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,085 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,762 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,898 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,739 |
| Slavic Languages | 0 | - | 4.67 | 53,944 |
| Countries that Border Poland | 0 | - | 4.99 | 171,260 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,345 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,815 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,257 |
