| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,156 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 127,077 |
| Slavic Countries | 0 | - | 4.96 | 110,775 |
| History of Russia Quiz | 0 | - | 4.49 | 31,772 |
| Europe Map Quiz | 0 | - | 5.00 | 4,727,781 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,100 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 148,790 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 75,305 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 63,255 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.98 | 69,996 |
| Countries of Europe in 1360 with a Map | 0 | - | 4.99 | 55,917 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,102 |
| States of the German Confederation in 1848 | 0 | - | 4.89 | 31,485 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 424,892 |
| Top 10 Oldest African Countries | 0 | - | 4.88 | 27,396 |
| Countries That Use the Euro | 0 | - | 4.96 | 102,754 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,352 |
| The Only European Country ... | 0 | - | 4.91 | 213,524 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,341 |
| Modern Day Countries of the Dutch Empire on a Map | 0 | - | 4.87 | 60,294 |
| Countries of Iberia in History with a Map | 0 | - | 4.87 | 41,074 |
| Modern Day Countries of the Spanish Empire on a Map | 0 | - | 4.95 | 85,413 |
| Name the English Monarchs | 0 | - | 4.92 | 497,424 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 362,079 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 641,250 |
| Name that Greek Letter | 0 | - | 4.94 | 321,446 |
| The Trojan War | 0 | - | 4.83 | 39,400 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 110,365 |
| History of Italy | 0 | - | 4.55 | 31,800 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 83,982 |
| Roman Emperors | 0 | - | 4.95 | 118,303 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,464 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 76,962 |
| Invasions of Great Britain | 0 | - | 4.51 | 59,357 |
| European Countries Ending in "IA" | 0 | - | 4.96 | 67,352 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,224,365 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,318,683 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,592 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,201 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,065 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,406 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,584 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 167,566 |
| Counties of England | 0 | - | 4.97 | 788,424 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 349,230 |
| Olympian Gods Quiz | 0 | - | 4.96 | 494,893 |
| 101 Figures from Greek Mythology | 0 | - | 4.99 | 124,075 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 96,270 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 94,968 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,232 |
| Three Band Flags of Europe | 0 | - | 4.98 | 191,671 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,663 |
| Monarchies of Europe | 0 | - | 4.90 | 97,219 |
| European Countries with One Border | 0 | - | 4.97 | 181,475 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,981 |
| European Geography By Letter - B #2 | 0 | - | 4.83 | 76,128 |
| Federal Subjects of Russia | 0 | - | 4.94 | 143,628 |
| Geography of Russia | 0 | - | 4.57 | 21,418 |
| History of Austria | 0 | - | 4.70 | 17,736 |
| Regions of France Map Quiz | 0 | - | 4.97 | 143,011 |
| Geography of the French Empire | 0 | - | 4.48 | 26,913 |
| The French Revolution | 0 | - | 4.46 | 23,750 |
| States of Germany Map Quiz | 0 | - | 4.91 | 131,564 |
| States of Germany | 0 | - | 4.96 | 149,811 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,372 |
| Germany Immigration by Country | 0 | - | 4.84 | 79,918 |
| Ancient Greek Words | 0 | - | 4.92 | 110,553 |
| Regions of Italy | 0 | - | 4.92 | 74,602 |
| Netherlands Immigration by Country | 0 | - | 4.94 | 43,740 |
| The Vikings! | 0 | - | 4.45 | 28,236 |
| The Portuguese Empire | 0 | - | 4.54 | 11,980 |
| Regions of Spain Quiz | 0 | - | 4.90 | 112,150 |
| Cantons of Switzerland | 0 | - | 4.98 | 50,063 |
| Countries and Territories of the United Kingdom | 0 | - | 4.89 | 92,846 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,393 |
| Champions League Winners | 0 | - | 4.92 | 995,185 |
| History of France | 0 | - | 4.59 | 55,897 |
| States of the Holy Roman Empire in 1356 | 0 | - | 4.97 | 72,347 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 55,552 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,154 |
| Countries the UK Declared War On | 0 | - | 4.61 | 121,704 |
| Geography of the British Empire | 0 | - | 4.48 | 39,462 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 105,722 |
| European Countries by First 2 Letters | 0 | - | 4.95 | 526,029 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,177 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,039 |
| European Countries with the Fewest Overnight Visitors | 0 | - | 4.78 | 41,596 |
| Top 20 Football Clubs in Europe | 0 | - | 4.48 | 112,831 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 230,249 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 273,992 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 164,925 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 256,324 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 113,047 |
| The Only Remaining European Country . . . | 0 | - | 4.41 | 63,728 |
| Slavic Languages | 0 | - | 4.67 | 53,933 |
| Russia Country Quiz | 0 | - | 4.85 | 113,565 |
| Countries That Border Russia | 0 | - | 4.98 | 458,573 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,797 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,000 |
| France Cities Map Quiz | 0 | - | 4.96 | 165,070 |
| Departments of France | 0 | - | 4.93 | 52,681 |
| Countries Bordering France | 0 | - | 4.85 | 396,876 |
| Germany Country Quiz | 0 | - | 4.82 | 156,411 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 125,062 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,727 |
| Ancient Greek Trivia | 0 | - | 4.62 | 66,741 |
| Geography of Ancient Greece | 0 | - | 4.69 | 31,751 |
| Italy Country Quiz | 0 | - | 4.82 | 122,087 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 148,259 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 150,988 |
| Countries Italy Declared War On | 0 | - | 4.75 | 42,910 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,343 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 433,140 |
| History of The Netherlands | 0 | - | 4.46 | 17,298 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 95,875 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 184,528 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,119 |
| Medieval English History | 0 | - | 4.53 | 43,292 |
| England or Wales? | 0 | - | 4.94 | 45,283 |
| All UEFA Champions League Teams Ever | 0 | - | 4.84 | 128,303 |
| African Countries by First 2 Letters | 0 | - | 4.96 | 266,358 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 189,134 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,755 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,780 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 64,751 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 88,866 |
| Save Europeans by Guessing Countries | 0 | - | 4.84 | 209,090 |
| Countries that Border Poland | 0 | - | 4.99 | 171,225 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,337 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,174 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,613 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,655 |
| French Geography Quiz #1 | 0 | - | 4.89 | 34,491 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,662 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,468 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,758 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,066 |
| Figures from Greek Mythology | 0 | - | 4.91 | 184,698 |
| Counties of Ireland | 0 | - | 4.92 | 192,815 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,372 |
| Countries Closest to Italy | 0 | - | 4.97 | 196,180 |
| History of Spain | 0 | - | 4.29 | 20,992 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,143 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 128,443 |
| World Capitals Closest to London | 0 | - | 4.87 | 109,615 |
| 50 Busiest Air Routes from London | 0 | - | 4.86 | 95,705 |
| Asian Countries by First 2 Letters | 0 | - | 4.91 | 276,940 |
| Colonies of Africa with a Map | 0 | - | 4.77 | 53,893 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,649,166 |
| Anglo-Saxon and Viking Kings of England | 0 | - | 4.74 | 12,079 |
| European Cities Beginning with B - Click Map | 0 | - | 4.75 | 77,254 |
| Top European Languages on a Map | 0 | - | 4.77 | 131,011 |
| Embarrassing Chapters in Russian History | 0 | - | 3.73 | 20,228 |
| Russia Multiple Choice | 0 | - | 4.58 | 40,545 |
| North Macedonia Country Quiz | 0 | - | 4.81 | 27,586 |
| Moldova Country Quiz | 0 | - | 4.81 | 30,518 |
| Andorra Country Quiz | 0 | - | 4.90 | 31,359 |
| French History Multiple Choice | 0 | - | 4.55 | 32,855 |
| History of Germany | 0 | - | 4.39 | 52,593 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 72,803 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,407 |
| Ancient Roman Trivia #2 | 0 | - | 4.57 | 38,512 |
| Geography of the Roman Empire | 0 | - | 4.56 | 51,643 |
| Roman Names for Places | 0 | - | 4.62 | 57,824 |
| Byzantine History | 0 | - | 4.91 | 28,586 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,001 |
| Anglo-Saxon Kingdoms of England | 0 | - | 4.60 | 25,684 |
| Giant Great Britain Millennium Quiz | 0 | - | 4.78 | 20,067 |
| Houses of British Monarchs | 0 | - | 4.53 | 65,256 |
| British History Multiple Choice #1 | 0 | - | 4.46 | 54,935 |
| British History Multiple Choice #2 | 0 | - | 4.42 | 37,815 |
| Prime Ministers of the UK | 0 | - | 4.96 | 434,155 |
| 2025–2026 Football League Teams | 0 | - | 4.93 | 396,741 |
| Malta Country Quiz | 0 | - | 4.81 | 30,795 |
| Countries that Beat Russia | 0 | - | 4.84 | 81,789 |
| Russian Inventions | 0 | - | 4.39 | 12,887 |
| French Inventions | 0 | - | 4.08 | 13,859 |
| Country Quiz on a Map - France | 0 | - | 4.98 | 46,547 |
| History of Paris | 0 | - | 4.24 | 13,612 |
| Countries that Beat Germany | 0 | - | 4.95 | 105,267 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 34,397 |
| Ancient Greece A-Z | 0 | - | 4.60 | 22,971 |
| Embarrassing Chapters in Italian History | 0 | - | 4.24 | 12,032 |
| Countries that Beat Italy | 0 | - | 4.85 | 53,808 |
| Countries Closest to Iceland | 0 | - | 4.89 | 72,757 |
| Countries that Beat Portugal | 0 | - | 4.86 | 58,601 |
| Countries that Beat Spain | 0 | - | 4.94 | 62,402 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 97,758 |
| Things British People Know that Americans Don't | 0 | - | 4.25 | 51,248 |
| Embarrassing Chapters in British History | 0 | - | 4.29 | 32,102 |
| British History A-Z #1 | 0 | - | 4.45 | 45,754 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 60,285 |
| British History Quiz for Dummies | 0 | - | 4.70 | 78,040 |
| History of Scotland | 0 | - | 4.51 | 20,991 |
| Africa Map Quiz | 0 | - | 5.00 | 2,102,911 |
| Oceania Map Quiz | 0 | - | 4.98 | 634,524 |
| Australian Capitals | 0 | - | 4.92 | 62,586 |
| Count to 10 in Europe: Pro | 0 | - | 4.85 | 68,529 |
| Official European Union Languages | 0 | - | 4.97 | 236,366 |
| European Countries in their Native Language | 0 | - | 4.99 | 156,606 |
