| Monarchies of Europe | 0 | - | 4.90 | 97,968 |
| Counties of England | 0 | - | 4.97 | 794,878 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 528,807 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,910 |
| European Geography By Letter - B #2 | 0 | - | 4.84 | 77,981 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 80,714 |
| Regions of France Map Quiz | 0 | - | 4.97 | 144,169 |
| States of Germany Map Quiz | 0 | - | 4.91 | 132,558 |
| States of Germany | 0 | - | 4.96 | 151,946 |
| Germany Immigration by Country | 0 | - | 4.85 | 80,898 |
| Regions of Italy | 0 | - | 4.92 | 75,570 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 51,906 |
| Regions of Spain Quiz | 0 | - | 4.90 | 113,659 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,025 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 93,642 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,686 |
| Monarchies of Asia | 0 | - | 4.97 | 70,987 |
| Europe Map Quiz | 0 | - | 5.00 | 4,755,814 |
| Save Europeans by Guessing Countries | 0 | - | 4.83 | 212,326 |
| Famous Germans | 0 | - | 4.50 | 55,179 |
| Famous Italians by Clue | 0 | - | 4.45 | 89,314 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,236 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,911 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,796 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 232,647 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 166,704 |
| France Cities Map Quiz | 0 | - | 4.96 | 166,466 |
| Departments of France | 0 | - | 4.93 | 53,808 |
| Germany Country Quiz | 0 | - | 4.82 | 157,597 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,884 |
| Italy Country Quiz | 0 | - | 4.82 | 123,216 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 149,144 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,824 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,516 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 96,663 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 185,391 |
| Name the English Monarchs | 0 | - | 4.91 | 501,541 |
| England or Wales? | 0 | - | 4.94 | 45,608 |
| Count to 10 in Europe: Pro | 0 | - | 4.86 | 69,000 |
| Official European Union Languages | 0 | - | 4.97 | 238,145 |
| European Countries in their Native Language | 0 | - | 4.99 | 157,625 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 427,539 |
| United Kingdom A-Z | 0 | - | 4.51 | 87,573 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,617 |
| Kings of France Quiz | 0 | - | 4.20 | 32,686 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,517 |
| Malta Country Quiz | 0 | - | 4.81 | 31,008 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,560 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 363,984 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,884 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,847 |
| The Only European Country ... | 0 | - | 4.91 | 216,014 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,783 |
| Famous French People | 0 | - | 4.06 | 34,976 |
| The Mafia Quiz | 0 | - | 4.46 | 23,299 |
| History of The Netherlands | 0 | - | 4.46 | 17,407 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,763 |
| British Acronyms | 0 | - | 4.39 | 45,761 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,274 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,240,138 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,370 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,437 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,983 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,192 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,989 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 87,254 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 309,997 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 170,688 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,008 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,734 |
| Slavic Countries | 0 | - | 4.96 | 111,499 |
| France A-Z | 0 | - | 4.16 | 38,173 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,287 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,877 |
| Liechtenstein Country Quiz | 0 | - | 4.64 | 27,032 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 354,365 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,361 |
| Celtic Nations | 0 | - | 4.69 | 46,909 |
| European Geography By Letter - A | 0 | - | 4.52 | 145,152 |
| European Geography By Letter - B #1 | 0 | - | 4.68 | 112,639 |
| European Geography By Letter - C | 0 | - | 4.46 | 113,375 |
| European Geography By Letter - D | 0 | - | 4.50 | 108,102 |
| European Geography By Letter - L | 0 | - | 4.52 | 113,157 |
| European Geography By Letter - M | 0 | - | 4.67 | 130,170 |
| European Geography By Letter - P #1 | 0 | - | 4.80 | 97,247 |
| European Geography By Letter - N | 0 | - | 4.44 | 100,577 |
| European Geography By Letter - R | 0 | - | 4.42 | 93,319 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,818 |
| European Geography By Letter - T | 0 | - | 4.41 | 82,160 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 100,387 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,921 |
| Regions of France | 0 | - | 4.75 | 120,437 |
| France Immigration by Country | 0 | - | 4.70 | 76,408 |
| German Groups of Things | 0 | - | 4.46 | 38,440 |
| Germany True or False? | 0 | - | 4.61 | 48,741 |
| Largest Islands of Greece | 0 | - | 4.59 | 47,880 |
| Provinces of the Netherlands | 0 | - | 4.80 | 41,239 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,038 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,080 |
| Champions League Winners | 0 | - | 4.92 | 1,003,925 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 239,175 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,672 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,261 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,928 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,513 |
| European Countries with One Border | 0 | - | 4.97 | 182,526 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,326 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 149,897 |
| Countries of Europe in 1848 | 0 | - | 4.99 | 76,136 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 64,301 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 70,710 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 56,620 |
| Federal Subjects of Russia | 0 | - | 4.95 | 146,423 |
| Countries That Border Russia | 0 | - | 4.98 | 461,141 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,737 |
| Austria Country Quiz | 0 | - | 4.57 | 59,644 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,667 |
| France Country Quiz | 0 | - | 4.70 | 134,774 |
| Countries Bordering France | 0 | - | 4.83 | 401,919 |
| Countries Bordering Germany | 0 | - | 4.99 | 368,645 |
| Greece Country Quiz | 0 | - | 4.74 | 66,148 |
| Luxembourg Country Quiz | 0 | - | 4.78 | 33,700 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,441 |
| Netherlands Country Quiz | 0 | - | 4.53 | 80,401 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,384 |
| Sweden Immigration by Country | 0 | - | 4.55 | 56,049 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,755 |
| Famous Spaniards Quiz | 0 | - | 4.24 | 11,611 |
| Spain Country Quiz | 0 | - | 4.45 | 128,326 |
| Switzerland Country Quiz | 0 | - | 4.51 | 63,264 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,044 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,680 |
| People on Money - England | 0 | - | 4.29 | 16,602 |
| British Geography Multiple Choice | 0 | - | 4.49 | 43,297 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,307 |
| Countries the UK Declared War On | 0 | - | 4.61 | 122,311 |
| Geography of the British Empire | 0 | - | 4.48 | 39,631 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,661 |
| Counties of Wales | 0 | - | 4.63 | 39,204 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 66,411 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,779 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,100 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,938 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,801 |
| European Geography By Letter - E | 0 | - | 4.23 | 113,264 |
| European Geography By Letter - F | 0 | - | 4.17 | 92,589 |
| European Geography By Letter - H | 0 | - | 4.30 | 95,766 |
| European Geography By Letter - G | 0 | - | 4.27 | 102,421 |
| European Geography By Letter - I | 0 | - | 4.10 | 95,260 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,918 |
| European Geography By Letter - O | 0 | - | 4.28 | 62,518 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,764 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 51,027 |
| European Geography A-Z | 0 | - | 4.29 | 49,199 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,401 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 276,315 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 260,007 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,365 |
| Russia Country Quiz | 0 | - | 4.85 | 114,287 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,241 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,295 |
| Word Chain - France | 0 | - | 4.38 | 42,744 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,942 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,876 |
| Italian Foods | 0 | - | 4.30 | 72,655 |
| Canary Islands | 0 | - | 4.62 | 17,460 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,731 |
| Switzerland Immigration by Country | 0 | - | 4.70 | 29,610 |
| British Spellings | 0 | - | 4.06 | 99,408 |
| British Groups of Things | 0 | - | 4.25 | 82,833 |
| UK Immigration by Country | 0 | - | 4.94 | 140,680 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,020 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,472 |
| Biggest Immigrant Groups by Decade in the UK | 0 | - | 4.63 | 25,023 |
| British Monopoly Board | 0 | - | 4.52 | 41,143 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,243 |
| Geography of Scotland | 0 | - | 4.63 | 21,594 |
| Medieval English History | 0 | - | 4.53 | 43,464 |
| Famous Scottish People | 0 | - | 4.22 | 18,389 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 129,799 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,836 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 109,721 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,557 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.93 | 83,480 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 190,525 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,189 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,562 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,044 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.80 | 41,644 |
| Word Scramble - European Countries | 0 | - | 4.73 | 141,505 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,279 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 114,443 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,436 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,349 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,794 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 64,170 |
| Slavic Languages | 0 | - | 4.68 | 54,274 |
| Countries that Border Poland | 0 | - | 4.99 | 172,060 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,725 |
| Countries that Beat Russia | 0 | - | 4.81 | 82,471 |
