| Country Quiz on a Map - France | 0 | - | 4.98 | 47,772 |
| Country Quiz on a Map - Germany | 0 | - | 4.95 | 35,625 |
| Countries that Beat Iceland | 0 | - | 4.81 | 43,277 |
| French Geography Quiz #1 | 0 | - | 4.89 | 35,177 |
| Letters of the Greek Alphabet | 0 | - | 4.97 | 652,675 |
| Name that Greek Letter | 0 | - | 4.93 | 325,186 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,336,839 |
| States of the German Confederation in 1848 | 0 | - | 4.90 | 32,502 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 151,516 |
| Countries of Europe in 1848 | 0 | - | 4.98 | 85,902 |
| Countries of Europe in 1870 with a Map | 0 | - | 4.95 | 65,953 |
| Every Country of Europe Since 1815 With a Map | 0 | - | 4.97 | 71,976 |
| Ancient Greek Words | 0 | - | 4.93 | 112,614 |
| Africa Geography Quiz #1 | 0 | - | 4.93 | 49,611 |
| Europe Geography Quiz #1 | 0 | - | 4.55 | 71,557 |
| Europe Geography Quiz #2 | 0 | - | 4.57 | 72,229 |
| Europe Geography Quiz #4 | 0 | - | 4.57 | 70,496 |
| Europe Geography Quiz #5 | 0 | - | 4.55 | 61,457 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 236,204 |
| European Map without 10 Random Countries | 0 | - | 4.97 | 279,235 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 169,175 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 265,213 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 116,067 |
| Europe Map Quiz | 0 | - | 5.00 | 4,792,001 |
| Biggest Countries in Europe in 1700 | 0 | - | 4.73 | 58,801 |
| Category Elimination - European Countries #1 | 0 | - | 4.90 | 91,223 |
| Name the English Monarchs | 0 | - | 4.91 | 507,185 |
| Europe by Borders in 30 Seconds | 0 | - | 4.98 | 431,275 |
| Countries that Beat Russia | 0 | - | 4.81 | 83,717 |
| The Trojan War | 0 | - | 4.83 | 40,037 |
| Greek Mythology General Knowledge #1 | 0 | - | 4.85 | 113,125 |
| Ancient Roman Trivia #1 | 0 | - | 4.85 | 85,665 |
| Roman Emperors | 0 | - | 4.95 | 121,374 |
| Countries Closest to Iceland | 0 | - | 4.90 | 74,252 |
| Countries that Beat Portugal | 0 | - | 4.86 | 59,971 |
| The United States... or the United Kingdom? | 0 | - | 4.87 | 99,168 |
| Prime Ministers of the UK | 0 | - | 4.95 | 442,954 |
| 2026–2027 Football League Teams | 0 | - | 4.94 | 407,805 |
| Topological Map of Asia Quiz | 0 | - | 4.82 | 20,503 |
| Europe Cities Map Quiz | 0 | - | 4.99 | 366,488 |
| Europe Geography Quiz #3 | 0 | - | 4.35 | 63,929 |
| Olympian Gods Quiz | 0 | - | 4.96 | 504,242 |
| Most-Visited Countries by Swedes | 0 | - | 4.64 | 53,217 |
| Geography of the Spanish Empire | 0 | - | 4.49 | 37,328 |
| Zone 1 London Underground Stations - With a Map | 0 | - | 4.90 | 52,833 |
| Top 4 in English Football, 1888–2026 | 0 | - | 4.92 | 143,715 |
| Countries That Use the Euro | 0 | - | 4.95 | 107,130 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,260,660 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 117,418 |
| The Only European Country ... | 0 | - | 4.91 | 219,458 |
| European Countries NOT in NATO | 0 | - | 4.91 | 62,773 |
| History of Russia Quiz | 0 | - | 4.47 | 32,017 |
| History of Italy | 0 | - | 4.55 | 32,175 |
| Geography of the Dutch Empire | 0 | - | 4.62 | 34,841 |
| Countries of the Spanish Empire | 0 | - | 4.52 | 77,462 |
| Counties of England | 0 | - | 4.97 | 803,965 |
| Invasions of Great Britain | 0 | - | 4.51 | 60,134 |
| British History A-Z #1 | 0 | - | 4.45 | 47,308 |
| English First Names of the Middle Ages | 0 | - | 4.47 | 61,138 |
| British History Quiz for Dummies | 0 | - | 4.70 | 79,131 |
| Premier League Relegated Teams | 0 | - | 4.81 | 128,037 |
| "Big Five" European Soccer Champions Since 2000 | 0 | - | 4.97 | 362,407 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,734 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 152,493 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 221,160 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,881 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 313,083 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.99 | 176,356 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 90,331 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 128,887 |
| Slavic Countries | 0 | - | 4.96 | 112,479 |
| French Geography Quiz #2 | 0 | - | 4.62 | 23,401 |
| Famous Ancient Romans | 0 | - | 4.70 | 85,821 |
| Iceland... or Ireland? | 0 | - | 4.74 | 57,255 |
| Roman History Vocabulary | 0 | - | 4.41 | 57,736 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 440,245 |
| Two Letter Roman Numerals | 0 | - | 4.97 | 56,574 |
| Geography of Spain | 0 | - | 4.59 | 22,233 |
| Foods in a Full English Breakfast | 0 | - | 4.46 | 103,922 |
| The Thirteen Dwarves in the Hobbit | 0 | - | 4.81 | 28,841 |
| Champions League Winners | 0 | - | 4.92 | 1,017,511 |
| Asia Geography Quiz #1 | 0 | - | 4.70 | 53,679 |
| Asia Geography Quiz #2 | 0 | - | 4.56 | 48,758 |
| Asia Geography Quiz #3 | 0 | - | 4.49 | 32,375 |
| Africa Geography Quiz #2 | 0 | - | 4.59 | 33,108 |
| American Countries with the Shortest Names | 0 | - | 4.97 | 121,750 |
| Most Common U.S. Last Names - Extreme | 0 | - | 4.94 | 175,691 |
| European Geography By Letter - P #1 | 0 | - | 4.81 | 99,075 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 194,022 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,911 |
| European Diaspora - Top 11 Countries | 0 | - | 4.88 | 96,954 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,684 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,785 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,589 |
| Monarchies of Europe | 0 | - | 4.90 | 98,998 |
| European Countries with One Border | 0 | - | 4.97 | 183,973 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,688 |
| European Geography By Letter - B #2 | 0 | - | 4.86 | 89,041 |
| Topological Map of Mainland Europe | 0 | - | 4.39 | 29,114 |
| Russia Country Quiz | 0 | - | 4.83 | 115,411 |
| Federal Subjects of Russia | 0 | - | 4.95 | 149,852 |
| Countries That Border Russia | 0 | - | 4.98 | 464,796 |
| Croatia Country Quiz | 0 | - | 4.83 | 43,814 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,555 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 35,620 |
| History of Austria | 0 | - | 4.70 | 17,990 |
| Andorra Country Quiz | 0 | - | 4.91 | 31,978 |
| Regions of France Map Quiz | 0 | - | 4.97 | 145,780 |
| France Cities Map Quiz | 0 | - | 4.96 | 167,953 |
| Departments of France | 0 | - | 4.93 | 55,347 |
| Geography of the French Empire | 0 | - | 4.45 | 27,228 |
| The French Revolution | 0 | - | 4.47 | 24,163 |
| Countries Bordering France | 0 | - | 4.83 | 405,246 |
| History of France | 0 | - | 4.61 | 57,700 |
| Germany Country Quiz | 0 | - | 4.82 | 158,999 |
| States of Germany Map Quiz | 0 | - | 4.92 | 133,941 |
| Germany Cities Map Quiz | 0 | - | 4.87 | 127,194 |
| States of Germany | 0 | - | 4.95 | 154,857 |
| Biggest Cities in Germany in 1910 | 0 | - | 4.41 | 23,573 |
| Germany Immigration by Country | 0 | - | 4.86 | 81,781 |
| Countries Bordering Germany | 0 | - | 4.99 | 372,136 |
| German History A-Z | 0 | - | 4.49 | 24,937 |
| Most-Mentioned Characters in the Iliad | 0 | - | 4.81 | 21,000 |
| Figures from Greek Mythology | 0 | - | 4.91 | 189,126 |
| Regions of Italy | 0 | - | 4.92 | 77,222 |
| Regions of Italy Map Quiz | 0 | - | 4.96 | 150,373 |
| Italy Cities Map Quiz | 0 | - | 4.97 | 153,183 |
| Countries Surrounding Rome | 0 | - | 4.97 | 49,769 |
| The Life of Julius Caesar | 0 | - | 4.39 | 39,193 |
| Netherlands Immigration by Country | 0 | - | 4.93 | 52,887 |
| Nordic Cities Map Quiz | 0 | - | 4.77 | 90,780 |
| The Vikings! | 0 | - | 4.46 | 28,419 |
| The Portuguese Empire | 0 | - | 4.58 | 12,116 |
| Spain Cities Map Quiz | 0 | - | 4.87 | 97,589 |
| Regions of Spain Quiz | 0 | - | 4.90 | 115,512 |
| Regions of Spain Map Quiz | 0 | - | 4.95 | 187,000 |
| Cantons of Switzerland | 0 | - | 4.98 | 51,870 |
| Countries and Territories of the United Kingdom | 0 | - | 4.90 | 94,595 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 118,988 |
| Wives of King Henry VIII | 0 | - | 4.55 | 53,485 |
| Countries the UK Declared War On | 0 | - | 4.55 | 123,346 |
| Geography of the British Empire | 0 | - | 4.48 | 39,864 |
| 10 Closest Megacities to London | 0 | - | 4.90 | 17,857 |
| England or Wales? | 0 | - | 4.94 | 46,008 |
| All UEFA Champions League Teams Ever | 0 | - | 4.85 | 132,387 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 136,236 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 111,505 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 97,881 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,914 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 107,666 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 93,548 |
| Name a Valid African Country | 0 | - | 4.98 | 155,205 |
| Oceania Geography Quiz | 0 | - | 4.55 | 22,146 |
| South American Geography Quiz #2 | 0 | - | 4.40 | 44,306 |
| South American Geography Quiz #1 | 0 | - | 4.63 | 32,926 |
| U.S. Presidents Quiz | 0 | - | 5.00 | 3,729,750 |
| Deadliest U.S. Wars | 0 | - | 4.89 | 191,931 |
| U.S. History for Dummies | 0 | - | 4.47 | 83,464 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,391 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,804 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,026 |
| European Geographic Groups of Four | 0 | - | 4.56 | 20,415 |
| Countries that Border Poland | 0 | - | 4.99 | 173,305 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 83,332 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 103,159 |
| Countries that Border Hungary | 0 | - | 4.98 | 105,075 |
| Countries Bordering Serbia | 0 | - | 4.96 | 93,181 |
| Countries Bordering Austria | 0 | - | 4.97 | 119,015 |
| Countries that Visit France the Most | 0 | - | 4.85 | 46,203 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 72,545 |
| France True or False? | 0 | - | 4.44 | 40,100 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 98,998 |
| Countries that Beat Greece | 0 | - | 4.53 | 49,548 |
| Ancient Greek Trivia | 0 | - | 4.62 | 67,271 |
| Geography of Ancient Greece | 0 | - | 4.69 | 32,066 |
| Greek Mythology General Knowledge #2 | 0 | - | 4.59 | 74,406 |
| Ancient Greece - Multiple Choice | 0 | - | 4.54 | 41,883 |
| Counties of Ireland | 0 | - | 4.92 | 197,599 |
| Countries Bordering Italy | 0 | - | 4.94 | 101,339 |
| Countries Italy Declared War On | 0 | - | 4.74 | 47,795 |
| Countries Closest to Italy | 0 | - | 4.97 | 199,588 |
| Ancient Roman Trivia #2 | 0 | - | 4.61 | 44,362 |
| Geography of the Roman Empire | 0 | - | 4.55 | 52,255 |
| Roman History by Picture | 0 | - | 4.46 | 26,606 |
| Roman Names for Places | 0 | - | 4.62 | 58,771 |
| Byzantine History | 0 | - | 4.91 | 29,037 |
| Byzantine Emperors | 0 | - | 4.93 | 14,649 |
| History of The Netherlands | 0 | - | 4.46 | 17,570 |
| Countries that Beat the Netherlands | 0 | - | 4.56 | 36,637 |
| Denmark Country Quiz | 0 | - | 4.78 | 76,317 |
| Greenland Country Quiz | 0 | - | 4.78 | 36,545 |
| Finland Country Quiz | 0 | - | 4.51 | 60,067 |
| Norway Country Quiz | 0 | - | 4.45 | 77,888 |
| Iceland Country Quiz | 0 | - | 4.69 | 43,428 |
| Countries Closest to Spain | 0 | - | 4.96 | 228,313 |
| British Groups of Things | 0 | - | 4.26 | 83,037 |
| United Kingdom Decoder | 0 | - | 4.29 | 40,123 |
| British Geography Quiz #1 | 0 | - | 4.55 | 54,303 |
| Counties of the UK and Ireland | 0 | - | 4.98 | 132,576 |
| Best-Selling British Musical Acts | 0 | - | 4.49 | 47,089 |
