| Countries of Europe After World War II | 0 | - | 4.99 | 186,808 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,875 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 155,418 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,316 |
| Countries of the Soviet Union | 0 | - | 4.98 | 193,893 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,990 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,262 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,410 |
| Vietnam War Countries | 0 | - | 4.83 | 93,648 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,204 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,617 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,386 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,552 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 231,042 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.92 | 79,545 |
| Biggest Trading Partners - Germany | 0 | - | 4.97 | 70,811 |
| Biggest Trading Partners - Spain | 0 | - | 4.91 | 53,514 |
| UK Immigration by Country | 0 | - | 4.94 | 139,726 |
| Asian Countries with the Most Christians | 0 | - | 4.85 | 96,319 |
| African Countries with the Most Christians | 0 | - | 4.94 | 74,900 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,318 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,275 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,117 |
| Random European Capital to Country | 0 | - | 4.98 | 189,308 |
| Random European Country to Capital | 0 | - | 4.92 | 147,522 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,304 |
| Every European Country Shape | 0 | - | 4.96 | 200,264 |
| Countries of Africa | 0 | - | 5.00 | 2,509,301 |
| Top 10 Richest Countries in Europe | 0 | - | 4.91 | 148,194 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,728 |
| Countries that Visit the UK the Most | 0 | - | 4.87 | 74,332 |
| Biggest Trading Partners - European Union | 0 | - | 4.91 | 72,132 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,104 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,859 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,663 |
| The Only European Country ... | 0 | - | 4.91 | 213,980 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,240 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,641 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,235 |
| Countries "Ruled" by King Charles III | 0 | - | 4.78 | 82,602 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,760 |
| Biggest Trading Partners – Australia | 0 | - | 4.93 | 60,975 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 128,710 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,306 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,353 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,328 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,667 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,608 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,860 |
| Europe Capital to Country | 0 | - | 4.99 | 248,031 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,549 |
| European Capitals by Map | 0 | - | 4.99 | 136,450 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,262 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,673 |
| European Coastal Capitals | 0 | - | 4.95 | 89,826 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,945 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,320,338 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,455 |
| Biggest British Empire Countries | 0 | - | 4.75 | 96,939 |
| Biggest French Empire Countries | 0 | - | 4.49 | 64,917 |
| Countries of the Middle East | 0 | - | 4.96 | 199,040 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,311 |
| Slavic Countries | 0 | - | 4.96 | 110,899 |
| African Island Countries | 0 | - | 4.96 | 100,833 |
| Holy Roman Empire Countries | 0 | - | 4.77 | 54,679 |
| Random European Flag to Country | 0 | - | 4.89 | 180,990 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,012,321 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,792 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,546 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,201 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,685 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,745 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,833 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,168 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,197 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,338 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,620 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,324 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,458 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,294 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,526 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 74,697 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,069 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,905 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,026 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,847 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,641 |
| Official Cities in the UK | 0 | - | 4.89 | 280,726 |
| Cities in European History #1 | 0 | - | 4.63 | 133,193 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,452 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,174 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,746 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,804 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,244 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,642 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,411 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,379 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,392 |
| Monarchies of Europe | 0 | - | 4.90 | 97,363 |
| Monarchies of Asia | 0 | - | 4.97 | 70,620 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,446 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 133,873 |
| The Only African Country ... | 0 | - | 4.99 | 128,394 |
| The Only American Country ... | 0 | - | 4.92 | 120,799 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,789 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,272 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,072 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,448 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,093 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 96,394 |
| European Countries with One Border | 0 | - | 4.97 | 181,685 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,586 |
| Flags of Countries That Border France | 0 | - | 4.89 | 122,196 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,142 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 189,971 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,165 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,276 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,271 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,698 |
| Central American Countries | 0 | - | 4.98 | 155,115 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,689 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,072 |
| Countries Settled by the Ancient Greeks | 0 | - | 4.53 | 49,236 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,399 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.85 | 113,284 |
| Top 10 Biggest Economies in the Americas | 0 | - | 4.93 | 91,125 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,833 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.95 | 57,798 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,492 |
| Arms Exports - United States | 0 | - | 4.70 | 54,387 |
| Arms Exports - Russia | 0 | - | 4.48 | 24,766 |
| Countries Kim Jong Un Has Been To | 0 | - | 4.95 | 32,249 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,287 |
| Top 10 Hottest European Countries | 0 | - | 4.89 | 126,150 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,511 |
| Countries That Border Russia | 0 | - | 4.98 | 459,037 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,521 |
| Countries Bordering France | 0 | - | 4.83 | 399,588 |
| Countries Bordering Germany | 0 | - | 4.99 | 367,171 |
| Most Visited Countries by Australians | 0 | - | 4.94 | 90,234 |
| Countries that Visit Australia the Most | 0 | - | 4.92 | 68,537 |
| Countries Closest to Australia | 0 | - | 4.99 | 166,228 |
| Countries Closest to the Persian Gulf | 0 | - | 4.93 | 83,003 |
| Germany Country Quiz | 0 | - | 4.82 | 156,634 |
| Russia Country Quiz | 0 | - | 4.85 | 113,687 |
| Italy Country Quiz | 0 | - | 4.82 | 122,282 |
| Japan Country Quiz | 0 | - | 4.92 | 141,339 |
| Croatia Country Quiz | 0 | - | 4.83 | 42,876 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.86 | 35,053 |
| Kazakhstan Country Quiz | 0 | - | 4.85 | 33,586 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 324,438 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,215 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,433 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,487 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 70,802 |
| Most Forested European Countries | 0 | - | 4.80 | 74,933 |
| Top 10 European Countries by Coastline | 0 | - | 4.89 | 137,873 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,088 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,169 |
| European Countries with NO Wolves | 0 | - | 4.56 | 65,539 |
| Which Country of the United Kingdom? | 0 | - | 4.58 | 39,065 |
| Countries Once Held by Sweden | 0 | - | 4.17 | 34,690 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,607 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,438 |
| Every Asian Country Shape | 0 | - | 4.95 | 86,747 |
| Every African Country Shape | 0 | - | 4.90 | 86,173 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.90 | 76,127 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 75,195 |
| Countries Bordering India | 0 | - | 4.98 | 162,629 |
| Countries that Border Hungary | 0 | - | 4.98 | 103,725 |
| Countries Bordering Austria | 0 | - | 4.97 | 117,816 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 69,943 |
| Countries Bordering Iran | 0 | - | 4.83 | 94,815 |
| Countries Bordering D.R. Congo | 0 | - | 4.97 | 64,230 |
| Countries that Border China | 0 | - | 4.96 | 261,889 |
| Countries that Border Iraq | 0 | - | 4.97 | 107,871 |
| Countries Bordering Kenya | 0 | - | 4.87 | 62,554 |
| Countries Bordering Myanmar | 0 | - | 4.87 | 77,101 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 118,248 |
| Countries Bordering Serbia | 0 | - | 4.96 | 91,781 |
| Countries Bordering South Africa | 0 | - | 4.97 | 92,313 |
| Countries Bordering Turkey | 0 | - | 4.98 | 116,528 |
| Countries Bordering Italy | 0 | - | 4.94 | 100,476 |
| Countries that Border Poland | 0 | - | 4.99 | 171,415 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,523 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,907 |
| Countries that Visit Japan the Most | 0 | - | 4.93 | 76,969 |
| Most-Visited Countries by Japanese | 0 | - | 4.95 | 59,724 |
| Countries that Visit France the Most | 0 | - | 4.85 | 45,558 |
| Countries Closest to Spain | 0 | - | 4.96 | 225,378 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.91 | 82,398 |
| Countries Closest to Vietnam | 0 | - | 4.95 | 93,526 |
| Countries Closest to Metropolitan France | 0 | - | 4.89 | 71,830 |
| Countries Closest to Cyprus | 0 | - | 4.91 | 54,927 |
| Countries Closest to Indonesia | 0 | - | 4.96 | 103,996 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,398 |
| Countries Closest to South Africa with Exceptions | 0 | - | 4.81 | 63,767 |
| Countries Closest to Turkey | 0 | - | 4.96 | 125,392 |
| Countries Closest to India | 0 | - | 4.97 | 102,230 |
| Countries Closest to Japan | 0 | - | 4.92 | 137,946 |
