| Monarchies of Europe | 0 | - | 4.90 | 97,281 |
| Counties of England | 0 | - | 4.97 | 788,910 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,227 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,304 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,185 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,186 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,737 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,079 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,646 |
| States of Germany | 0 | - | 4.96 | 149,953 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,990 |
| Regions of Italy | 0 | - | 4.92 | 74,666 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,785 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,271 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,098 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,879 |
| Monarchies of Asia | 0 | - | 4.97 | 70,581 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,976 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,320 |
| Famous Germans | 0 | - | 4.50 | 54,595 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,309 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,037 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,211 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,087 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,426 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,090 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,139 |
| Departments of France | 0 | - | 4.93 | 52,749 |
| Germany Country Quiz | 0 | - | 4.82 | 156,484 |
| Germany Cities Map Quiz | 0 | - | 4.86 | 125,109 |
| Italy Country Quiz | 0 | - | 4.82 | 122,150 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,323 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,032 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,355 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,929 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,603 |
| Name the English Monarchs | 0 | - | 4.92 | 497,740 |
| England or Wales? | 0 | - | 4.94 | 45,305 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,563 |
| Official European Union Languages | 0 | - | 4.97 | 236,467 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,666 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,069 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,197 |
| 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 | 31,312 |
| Malta Country Quiz | 0 | - | 4.81 | 30,820 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,899 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,225 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,521 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,474 |
| The Only European Country ... | 0 | - | 4.91 | 213,715 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,457 |
| The Mafia Quiz | 0 | - | 4.46 | 23,203 |
| History of The Netherlands | 0 | - | 4.46 | 17,305 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| British Acronyms | 0 | - | 4.39 | 45,614 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,933 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,836 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,422 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,672 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,256 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,232 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,447 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,826 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,743 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,764 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,216 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,154 |
| Slavic Countries | 0 | - | 4.96 | 110,820 |
| France A-Z | 0 | - | 4.16 | 38,051 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,034 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 26,865 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,663 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,234 |
| Celtic Nations | 0 | - | 4.69 | 46,807 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,352 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 110,855 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,790 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,662 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,186 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,838 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,640 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,604 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,005 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,273 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,573 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,736 |
| Regions of France | 0 | - | 4.78 | 119,173 |
| France Immigration by Country | 0 | - | 4.72 | 75,943 |
| German Groups of Things | 0 | - | 4.46 | 38,298 |
| Germany True or False? | 0 | - | 4.61 | 48,520 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,434 |
| Provinces of the Netherlands | 0 | - | 4.80 | 40,760 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,057 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 101,917 |
| Champions League Winners | 0 | - | 4.92 | 995,919 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,286 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,017 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,319 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,802 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,758 |
| European Countries with One Border | 0 | - | 4.97 | 181,574 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,483 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,884 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,378 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,338 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,065 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,886 |
| Countries That Border Russia | 0 | - | 4.98 | 458,804 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,157 |
| Austria Country Quiz | 0 | - | 4.57 | 59,321 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,207 |
| Famous French People | 0 | - | 4.12 | 27,921 |
| France Country Quiz | 0 | - | 4.70 | 133,792 |
| Countries Bordering France | 0 | - | 4.83 | 398,579 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,933 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,510 |
| Greece Country Quiz | 0 | - | 4.74 | 65,736 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,470 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,228 |
| Netherlands Country Quiz | 0 | - | 4.50 | 79,937 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,741 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,680 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,320 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,540 |
| Spain Country Quiz | 0 | - | 4.45 | 127,563 |
| Switzerland Country Quiz | 0 | - | 4.51 | 62,922 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,031 |
| 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 | 43,166 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,166 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,749 |
| 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 | 91,064 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,054 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,506 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,170 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,418 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,860 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,236 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,454 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,129 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,899 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,281 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,490 |
| European Geography A-Z | 0 | - | 4.28 | 48,985 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,125 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,136 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,611 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,171 |
| Russia Country Quiz | 0 | - | 4.85 | 113,609 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,827 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,020 |
| Word Chain - France | 0 | - | 4.38 | 42,574 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,761 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,765 |
| Italian Foods | 0 | - | 4.31 | 72,151 |
| Canary Islands | 0 | - | 4.61 | 17,397 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,733 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,127 |
| British Spellings | 0 | - | 4.07 | 99,198 |
| British Groups of Things | 0 | - | 4.25 | 82,667 |
| UK Immigration by Country | 0 | - | 4.94 | 139,554 |
| United Kingdom Decoder | 0 | - | 4.29 | 39,943 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,081 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.62 | 24,430 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,203 |
| Geography of Scotland | 0 | - | 4.63 | 21,474 |
| Medieval English History | 0 | - | 4.53 | 43,307 |
| Famous Scottish People | 0 | - | 4.22 | 18,326 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,418 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,481 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,675 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,521 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,076 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,212 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,088 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,440 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,779 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,967 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,823 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,956 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,102 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,775 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,934 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,762 |
| Slavic Languages | 0 | - | 4.67 | 53,962 |
| Countries that Border Poland | 0 | - | 4.99 | 171,304 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,359 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,859 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,353 |
