| Monarchies of Europe | 0 | - | 4.90 | 97,268 |
| Name the English Monarchs | 0 | - | 4.92 | 497,685 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,209 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,296 |
| Catholic Countries in Europe | 0 | - | 4.83 | 94,177 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,178 |
| Category Elimination - European Geography #3 | 0 | - | 4.85 | 79,720 |
| Monarchies of Asia | 0 | - | 4.97 | 70,572 |
| Europe Map Quiz | 0 | - | 5.00 | 4,729,647 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,277 |
| Countries Bordering France | 0 | - | 4.85 | 398,410 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,905 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,203 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,083 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,397 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 165,068 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,131 |
| Departments of France | 0 | - | 4.93 | 52,745 |
| Germany Country Quiz | 0 | - | 4.82 | 156,475 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,099 |
| Italy Country Quiz | 0 | - | 4.82 | 122,140 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,318 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 151,027 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,354 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,921 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,590 |
| England or Wales? | 0 | - | 4.94 | 45,298 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,555 |
| Official European Union Languages | 0 | - | 4.97 | 236,452 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,652 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 425,038 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,506 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,739 |
| Belgium Country Quiz | 0 | - | 4.70 | 71,197 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,497 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,781 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,184 |
| Counties of Ireland | 0 | - | 4.92 | 192,956 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,420 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,240 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,214 |
| United Kingdom A-Z | 0 | - | 4.53 | 87,194 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,528 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,675 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,739 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,370 |
| Kings of France Quiz | 0 | - | 4.20 | 32,546 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,319 |
| The Trojan War | 0 | - | 4.83 | 39,418 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,477 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,843 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 84,021 |
| Roman Emperors | 0 | - | 4.95 | 118,395 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,435 |
| British Monopoly Board | 0 | - | 4.52 | 41,024 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,871 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,209 |
| Europe Geography Decoder | 0 | - | 4.86 | 69,519 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,451 |
| The Only European Country ... | 0 | - | 4.91 | 213,676 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,438 |
| Countries that Beat Switzerland | 0 | - | 4.88 | 41,548 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,287 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 51,927 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,225,561 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,338 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,659 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,252 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,204 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,435 |
| Most Guessed Cities in Europe - Not Capitals | 0 | - | 4.82 | 86,817 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,697 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,739 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,205 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,149 |
| Slavic Countries | 0 | - | 4.96 | 110,813 |
| Famous Dutch and Belgian People | 0 | - | 4.56 | 17,959 |
| France A-Z | 0 | - | 4.16 | 38,047 |
| Germany Multiple Choice | 0 | - | 4.84 | 54,031 |
| Counties of England | 0 | - | 4.97 | 788,817 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,598 |
| Add A Letter - Make a European City | 0 | - | 4.90 | 23,231 |
| Celtic Nations | 0 | - | 4.69 | 46,805 |
| European Geography By Letter - A | 0 | - | 4.56 | 132,346 |
| European Geography By Letter - B #1 | 0 | - | 4.67 | 110,849 |
| European Geography By Letter - C | 0 | - | 4.46 | 111,779 |
| European Geography By Letter - D | 0 | - | 4.50 | 106,655 |
| European Geography By Letter - L | 0 | - | 4.52 | 112,181 |
| European Geography By Letter - M | 0 | - | 4.61 | 128,825 |
| European Geography By Letter - N | 0 | - | 4.44 | 99,637 |
| European Geography By Letter - R | 0 | - | 4.42 | 92,600 |
| European Geography By Letter - V | 0 | - | 4.43 | 92,003 |
| European Geography By Letter - T | 0 | - | 4.41 | 81,271 |
| European Geography By Letter - S #1 | 0 | - | 4.63 | 99,569 |
| European Secessionist Movements on a Map | 0 | - | 4.53 | 34,734 |
| Famous Germans | 0 | - | 4.50 | 54,594 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,979 |
| Famous Irish People | 0 | - | 4.05 | 45,852 |
| Famous Italians by Clue | 0 | - | 4.45 | 88,300 |
| 100 Greatest Britons Quiz | 0 | - | 4.41 | 48,034 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,041 |
| London A-Z | 0 | - | 4.10 | 40,631 |
| Champions League Winners | 0 | - | 4.92 | 995,803 |
| U.S. Citizenship Test Questions | 0 | - | 4.83 | 238,265 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,004 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,304 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,784 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,746 |
| European Countries with One Border | 0 | - | 4.97 | 181,550 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,372 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,868 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,853 |
| Countries That Border Russia | 0 | - | 4.98 | 458,764 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,147 |
| Austria Country Quiz | 0 | - | 4.57 | 59,313 |
| France Country Quiz | 0 | - | 4.70 | 133,784 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,062 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,637 |
| States of Germany | 0 | - | 4.96 | 149,937 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,985 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,506 |
| Greece Country Quiz | 0 | - | 4.74 | 65,731 |
| Regions of Italy | 0 | - | 4.92 | 74,652 |
| Luxembourg Country Quiz | 0 | - | 4.77 | 33,467 |
| Monaco Country Quiz | 0 | - | 4.47 | 41,222 |
| Netherlands Country Quiz | 0 | - | 4.50 | 79,933 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,775 |
| Nordic Cities Map Quiz | 0 | - | 4.74 | 89,740 |
| Sweden Immigration by Country | 0 | - | 4.55 | 55,676 |
| Portugal Country Quiz | 0 | - | 4.69 | 71,313 |
| Spain Country Quiz | 0 | - | 4.45 | 127,554 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,226 |
| Switzerland Country Quiz | 0 | - | 4.51 | 62,918 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,093 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,876 |
| Largest Islands in the British Isles With a Map | 0 | - | 4.52 | 38,558 |
| The British Royal Family - Modern Times | 0 | - | 4.16 | 21,455 |
| English Monarchs in Order by First Letter | 0 | - | 4.38 | 31,309 |
| English Royal Consorts | 0 | - | 4.37 | 37,151 |
| The Reign of Queen Elizabeth I | 0 | - | 4.53 | 31,598 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,400 |
| Counties of Wales | 0 | - | 4.63 | 38,876 |
| Asian Geography By Letter - B | 0 | - | 4.85 | 65,972 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,416 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 91,045 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.94 | 91,042 |
| U.S. Cabinet Departments | 0 | - | 4.86 | 72,505 |
| European Geography By Letter - E | 0 | - | 4.23 | 112,165 |
| European Geography By Letter - F | 0 | - | 4.17 | 91,409 |
| European Geography By Letter - H | 0 | - | 4.30 | 94,855 |
| European Geography By Letter - G | 0 | - | 4.25 | 101,230 |
| European Geography By Letter - I | 0 | - | 4.10 | 94,449 |
| European Geography By Letter - K | 0 | - | 4.14 | 69,125 |
| European Geography By Letter - O | 0 | - | 4.28 | 61,897 |
| European Geography by Letter - W | 0 | - | 4.20 | 82,277 |
| European Geography By Letter - S #2 | 0 | - | 4.19 | 50,487 |
| European Geography A-Z | 0 | - | 4.28 | 48,981 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,123 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 274,089 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,553 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,153 |
| Russia Country Quiz | 0 | - | 4.85 | 113,599 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,824 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,017 |
| Austria... or Australia? | 0 | - | 4.68 | 103,842 |
| Most Popular Baby Girls Names in Germany | 0 | - | 4.51 | 38,620 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,759 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,765 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,928 |
| The Mafia Quiz | 0 | - | 4.46 | 23,199 |
| History of The Netherlands | 0 | - | 4.46 | 17,305 |
| Denmark Country Quiz | 0 | - | 4.78 | 75,407 |
| Finland Country Quiz | 0 | - | 4.50 | 59,084 |
| Norway Country Quiz | 0 | - | 4.44 | 76,588 |
| Iceland Country Quiz | 0 | - | 4.69 | 42,847 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,722 |
| Countries Bordering Spain | 0 | - | 4.51 | 69,058 |
| British Acronyms | 0 | - | 4.39 | 45,612 |
| UK Immigration by Country | 0 | - | 4.94 | 139,540 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,070 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,191 |
| Medieval English History | 0 | - | 4.53 | 43,305 |
| Famous Scottish People | 0 | - | 4.22 | 18,326 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,406 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,476 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.85 | 108,652 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 95,510 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,069 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,194 |
| Pre-Euro Currencies | 0 | - | 4.44 | 52,437 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,775 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,597 |
| Word Scramble - European Countries | 0 | - | 4.70 | 140,964 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,816 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,935 |
| Name a Major European City A-Z | 0 | - | 4.33 | 49,096 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,771 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,925 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,754 |
| Slavic Languages | 0 | - | 4.67 | 53,953 |
