| Monarchies of Europe | 0 | - | 4.90 | 97,284 |
| Counties of England | 0 | - | 4.97 | 788,928 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,240 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,307 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,188 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,196 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,745 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,085 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,651 |
| States of Germany | 0 | - | 4.96 | 149,962 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,991 |
| Regions of Italy | 0 | - | 4.92 | 74,672 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,785 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,277 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,100 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,882 |
| Monarchies of Asia | 0 | - | 4.97 | 70,584 |
| Europe Map Quiz | 0 | - | 5.00 | 4,730,098 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,336 |
| Famous Germans | 0 | - | 4.50 | 54,598 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,330 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,039 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,214 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,089 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,429 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,100 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,140 |
| Departments of France | 0 | - | 4.93 | 52,752 |
| Germany Country Quiz | 0 | - | 4.82 | 156,488 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,114 |
| Italy Country Quiz | 0 | - | 4.82 | 122,153 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,324 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,034 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,356 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,931 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,609 |
| Name the English Monarchs | 0 | - | 4.92 | 497,751 |
| England or Wales? | 0 | - | 4.94 | 45,306 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,565 |
| Official European Union Languages | 0 | - | 4.97 | 236,469 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,670 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,076 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,200 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,374 |
| Kings of France Quiz | 0 | - | 4.20 | 32,548 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,458 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,313 |
| Malta Country Quiz | 0 | - | 4.81 | 30,821 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,905 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,238 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,522 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,479 |
| The Only European Country ... | 0 | - | 4.91 | 213,728 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,465 |
| The Mafia Quiz | 0 | - | 4.46 | 23,203 |
| History of The Netherlands | 0 | - | 4.46 | 17,305 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,550 |
| British Acronyms | 0 | - | 4.39 | 45,614 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,934 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,896 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,442 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,675 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,236 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,448 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,827 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,752 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,789 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,219 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,159 |
| Slavic Countries | 0 | - | 4.96 | 110,821 |
| France A-Z | 0 | - | 4.16 | 38,053 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,035 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,865 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,683 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,236 |
| Celtic Nations | 0 | - | 4.69 | 46,807 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,365 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,866 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,800 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,674 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,191 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,845 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,648 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,607 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,008 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,277 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,575 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,736 |
| Regions of France | 0 | - | 4.78 | 119,177 |
| France Immigration by Country | 0 | - | 4.72 | 75,944 |
| German Groups of Things | 0 | - | 4.46 | 38,299 |
| Germany True or False? | 0 | - | 4.61 | 48,522 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,441 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,763 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,063 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,923 |
| Champions League Winners | 0 | - | 4.92 | 995,948 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,286 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,021 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,326 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,805 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,763 |
| European Countries with One Border | 0 | - | 4.97 | 181,577 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,488 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,893 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,384 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,344 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,067 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,907 |
| Countries That Border Russia | 0 | - | 4.98 | 458,807 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,159 |
| Austria Country Quiz | 0 | - | 4.57 | 59,323 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,212 |
| Famous French People | 0 | - | 4.12 | 27,921 |
| France Country Quiz | 0 | - | 4.70 | 133,794 |
| Countries Bordering France | 0 | - | 4.83 | 398,612 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,946 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,511 |
| Greece Country Quiz | 0 | - | 4.74 | 65,737 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,470 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,228 |
| Netherlands Country Quiz | 0 | - | 4.50 | 79,941 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,742 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,681 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,321 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,540 |
| Spain Country Quiz | 0 | - | 4.45 | 127,568 |
| Switzerland Country Quiz | 0 | - | 4.51 | 62,923 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,035 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,559 |
| People on Money - England | 0 | - | 4.29 | 16,561 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,167 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,166 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,750 |
| Geography of the British Empire | 0 | - | 4.48 | 39,467 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Counties of Wales | 0 | - | 4.63 | 38,884 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,980 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,421 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,066 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,058 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,507 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,179 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,441 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,869 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,244 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,462 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,137 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,903 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,283 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,493 |
| European Geography A-Z | 0 | - | 4.28 | 48,986 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,128 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,138 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,629 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,179 |
| Russia Country Quiz | 0 | - | 4.85 | 113,610 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,828 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,021 |
| Word Chain - France | 0 | - | 4.38 | 42,575 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,761 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,765 |
| Italian Foods | 0 | - | 4.31 | 72,154 |
| Canary Islands | 0 | - | 4.61 | 17,397 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,739 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,132 |
| British Spellings | 0 | - | 4.07 | 99,200 |
| British Groups of Things | 0 | - | 4.25 | 82,667 |
| UK Immigration by Country | 0 | - | 4.94 | 139,567 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,943 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,084 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.62 | 24,431 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,210 |
| Geography of Scotland | 0 | - | 4.63 | 21,474 |
| Medieval English History | 0 | - | 4.53 | 43,311 |
| Famous Scottish People | 0 | - | 4.22 | 18,326 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,422 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,481 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,679 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,524 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,077 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,215 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,088 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,441 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,780 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,969 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,826 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,963 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,104 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,776 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,937 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,762 |
| Slavic Languages | 0 | - | 4.67 | 53,962 |
| Countries that Border Poland | 0 | - | 4.99 | 171,308 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,359 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,861 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,363 |
