| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.87 | 208,611 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,608 |
| Africa Capitals Quiz | 0 | - | 4.99 | 642,380 |
| Asia Capitals Quiz | 0 | - | 4.98 | 600,973 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,144 |
| Random European Capital to Country | 0 | - | 4.97 | 154,074 |
| Random European Country to Capital | 0 | - | 4.92 | 136,036 |
| Random Asian Country to Capital | 0 | - | 4.94 | 86,260 |
| Random Asian Capital to Country | 0 | - | 4.97 | 90,275 |
| World Capitals Quiz | 0 | - | 5.00 | 4,539,982 |
| Europe Capital to Country | 0 | - | 4.99 | 221,925 |
| Asia Capital to Country | 0 | - | 4.96 | 106,554 |
| EU Capitals with No Hints | 0 | - | 4.96 | 126,093 |
| European Capitals by Map | 0 | - | 4.99 | 96,178 |
| African Capitals by Map | 0 | - | 4.99 | 112,512 |
| Asian Capitals by Map | 0 | - | 4.98 | 48,191 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 79,830 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,218 |
| European Coastal Capitals | 0 | - | 4.95 | 77,963 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,125 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 231,692 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 195,815 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,463 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.95 | 188,809 |
| South America Capitals Quiz | 0 | - | 5.00 | 429,710 |
| North America Capitals Quiz | 0 | - | 4.99 | 188,471 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,011 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 84,932 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 106,496 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,623 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 67,353 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,061 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,466 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,397,496 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,107 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 62,085 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 71,192 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,321,197 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 351,620 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 127,743 |
| Countries with Megacities | 0 | - | 4.99 | 200,009 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 173,563 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,068 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,122 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 65,050 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 250,794 |
| Global Cities on a World Map | 0 | - | 4.92 | 92,114 |
| Northernmost Capital Cities | 0 | - | 4.98 | 95,158 |
| Most Remote Capital Cities | 0 | - | 4.90 | 44,353 |
| Capital Cities: Ports and Saints | 0 | - | 4.94 | 35,087 |
| Capitals with the Shortest Names | 0 | - | 4.96 | 92,216 |
| Same Letter Country and Capital | 0 | - | 4.99 | 128,909 |
| Countries by Capital City | 0 | - | 4.99 | 50,580 |
| Capital Cities Based on First Two Letters | 0 | - | 4.84 | 66,620 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 105,718 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 73,782 |
| Moved Capital Cities | 0 | - | 4.96 | 67,550 |
| Countries by Sports League Revenue | 0 | - | 4.88 | 44,524 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,062 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,798 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 57,064 |
| Countries With the Most German Speakers | 0 | - | 4.88 | 52,959 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,864 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 246,960 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,896 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 103,913 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,493 |
| Summer Olympic City Bids | 0 | - | 4.93 | 37,376 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.86 | 91,972 |
| Cities by Former Name | 0 | - | 4.86 | 72,126 |
| Capitals in their Native Languages | 0 | - | 4.94 | 127,774 |
| Nearest Capital City #1 | 0 | - | 4.82 | 52,732 |
| World Capitals by Proximity | 0 | - | 4.89 | 301,829 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 38,315 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.96 | 49,104 |
| World Capitals by Map | 0 | - | 5.00 | 245,031 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 50,722 |
| Random Capital to Country | 0 | - | 4.99 | 2,380,270 |
| Random African Capitals on a Map | 0 | - | 4.95 | 48,663 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 45,488 |
| Random European Capitals on a Map | 0 | - | 4.98 | 108,133 |
| Random Country to Capital | 0 | - | 4.98 | 809,525 |
| World Capitals By Letter - H | 0 | - | 4.85 | 71,725 |
| World Capitals By Letter - K | 0 | - | 4.82 | 66,385 |
| World Capitals By Letter - M | 0 | - | 4.89 | 86,598 |
| World Capitals By Letter - P | 0 | - | 4.85 | 67,567 |
| World Capitals By Letter - R | 0 | - | 4.88 | 72,717 |
| World Capitals By Letter - S | 0 | - | 4.89 | 75,035 |
| World Capitals By Letter - T | 0 | - | 4.81 | 66,887 |
| World Capitals By Letter - W | 0 | - | 4.88 | 82,735 |
| World Capitals By Letter - A | 0 | - | 4.96 | 105,473 |
| World Capitals By Letter - B | 0 | - | 4.85 | 97,529 |
| World Capitals By Letter - D | 0 | - | 4.91 | 79,701 |
| US State Capitals Quiz - No Hints | 0 | - | 4.97 | 80,419 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.88 | 44,692 |
| Countries That Use the Euro | 0 | - | 4.93 | 64,872 |
| Olympic Host Countries | 0 | - | 4.98 | 163,387 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 94,219 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 237,016 |
| American Countries on the Pacific Coast | 0 | - | 4.81 | 46,516 |
| The Only European Country ... | 0 | - | 4.93 | 181,265 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 196,442 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.93 | 87,058 |
| Countries of Africa | 0 | - | 5.00 | 2,196,187 |
| U.S. State Capitals Map Quiz | 0 | - | 4.91 | 127,042 |
| Countries of Europe by Population | 0 | - | 4.98 | 129,478 |
| Most Populous Countries by Year | 0 | - | 4.81 | 94,844 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,069 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,607 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 82,306 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 94,359 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 71,936 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,668 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,368 |
| Most Populous World Capitals | 0 | - | 4.93 | 149,665 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,638 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,330 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,060 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,612 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,994 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 67,327 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,640 |
| Biggest City by Body of Water | 0 | - | 4.52 | 38,988 |
| Global Cities Quiz | 0 | - | 4.64 | 157,474 |
| Southernmost Major Cities | 0 | - | 4.42 | 45,393 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.46 | 68,817 |
| Cities with the Most Foreign Embassies | 0 | - | 4.66 | 45,450 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.42 | 35,073 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.91 | 90,202 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 94,469 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 194,561 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 57,817 |
| Cities with the Biggest Economies | 0 | - | 4.92 | 119,228 |
| Five Most Guessed Cities by Continent | 0 | - | 4.97 | 105,096 |
| Former Capitals Quiz | 0 | - | 4.81 | 58,337 |
| Capital Cities Chain | 0 | - | 4.86 | 72,048 |
| Coldest World Capitals | 0 | - | 4.96 | 128,421 |
| Capital Cities with Spanish Names | 0 | - | 4.85 | 63,357 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 79,500 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 75,538 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.93 | 1,198,995 |
| Landlocked Countries in Africa | 0 | - | 4.98 | 20,625 |
| Countries of the Middle East | 0 | - | 4.96 | 175,660 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 75,756 |
| Slavic Countries | 0 | - | 4.96 | 101,188 |
| African Island Countries | 0 | - | 4.96 | 90,457 |
| Straight Shot to Antarctica | 0 | - | 4.90 | 37,748 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 32,363 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 144,853 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 147,040 |
| Countries of North America Quiz | 0 | - | 5.00 | 890,124 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 112,096 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 94,610 |
| African Countries with the Shortest Names | 0 | - | 4.97 | 120,773 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 127,844 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 199,827 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 179,207 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 142,007 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 107,591 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 133,505 |
| 10 Westernmost Countries in Europe | 0 | - | 4.95 | 139,567 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 105,909 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 148,789 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 89,699 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 97,640 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.76 | 61,370 |
| Flags to Languages | 0 | - | 4.95 | 159,837 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 207,922 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 163,011 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,301 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 81,851 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,171 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,134 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 162,894 |
| Official Cities in the UK | 0 | - | 4.86 | 234,795 |
| Divided World City Name Puzzle #1 | 0 | - | 4.91 | 40,503 |
| Capitals A-Z | 0 | - | 4.85 | 42,065 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 53,506 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.90 | 90,338 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 88,992 |
| Flags to Capitals #1 | 0 | - | 4.97 | 49,701 |
| Flags to Capitals #2 | 0 | - | 4.95 | 37,310 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 85,559 |
| The Only Country ... | 0 | - | 4.88 | 47,326 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 102,704 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 122,558 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 101,622 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 85,890 |
| Monarchies of Europe | 0 | - | 4.88 | 87,679 |
| Monarchies of Asia | 0 | - | 4.95 | 54,482 |
| Countries with the Most Downhill Skiing | 0 | - | 4.90 | 51,065 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,311 |
| Countries that Start with A | 0 | - | 4.98 | 1,961,644 |
| Countries that Start with B | 0 | - | 4.95 | 2,100,647 |
| Countries that Start with C | 0 | - | 4.96 | 1,661,975 |
| Countries that Start with D | 0 | - | 4.96 | 602,991 |
| Countries that Start with E | 0 | - | 4.95 | 1,244,208 |
| Countries that Start with G | 0 | - | 4.97 | 1,363,900 |
| Countries that Start with H | 0 | - | 4.96 | 514,346 |
| Countries that Start with I | 0 | - | 4.92 | 1,173,110 |
