| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,296 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,120 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,336 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,955 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,076 |
| Random European Capital to Country | 0 | - | 4.98 | 189,224 |
| Random European Country to Capital | 0 | - | 4.92 | 147,465 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,407 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,424 |
| Random African Capital to Country | 0 | - | 4.97 | 99,741 |
| Random African Country to Capital | 0 | - | 4.94 | 70,236 |
| World Capitals Quiz | 0 | - | 5.00 | 5,031,750 |
| Europe Capital to Country | 0 | - | 4.99 | 247,924 |
| Asia Capital to Country | 0 | - | 4.96 | 125,765 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,466 |
| European Capitals by Map | 0 | - | 4.99 | 136,295 |
| African Capitals by Map | 0 | - | 4.99 | 132,188 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,148 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,202 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,624 |
| European Coastal Capitals | 0 | - | 4.95 | 89,766 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,191 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,827 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,831 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,425 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 216,354 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,298 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,891 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,671 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,416 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,138 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,187 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,711 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,460 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,772 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,985 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,176 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,405 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,855 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,670 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 79,461 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,435,125 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,653 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,240 |
| Countries with Megacities | 0 | - | 4.99 | 246,940 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,135 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,980 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,550 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,870 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,773 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,957 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,656 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,608 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,634 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,456 |
| Countries by Capital City | 0 | - | 5.00 | 66,665 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,337 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,909 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,437 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,412 |
| Moved Capital Cities | 0 | - | 4.96 | 73,590 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,576 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,460 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,200 |
| Countries With the Most Russian Speakers | 0 | - | 4.97 | 98,505 |
| Countries With the Most German Speakers | 0 | - | 4.89 | 94,348 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,844 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,940 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,890 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,493 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,609 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,273 |
| North American Sports Cities | 0 | - | 4.83 | 170,913 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,920 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,740 |
| Name a City - European Countries | 0 | - | 4.92 | 64,406 |
| Cities by Former Name | 0 | - | 4.84 | 90,977 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,692 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,247 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,804 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,956 |
| World Capitals by Map | 0 | - | 5.00 | 283,226 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,678 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,051 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,273 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,637 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,823 |
| Random Country to Capital | 0 | - | 4.98 | 911,664 |
| Capitals Starting With H | 0 | - | 4.90 | 91,017 |
| Capitals Starting With K | 0 | - | 4.85 | 75,699 |
| Capitals Starting With L | 0 | - | 4.81 | 86,849 |
| Capitals Starting With M | 0 | - | 4.93 | 106,074 |
| Capitals Starting With P | 0 | - | 4.88 | 77,202 |
| Capitals Starting With R | 0 | - | 4.87 | 80,984 |
| Capitals Starting With S | 0 | - | 4.89 | 84,815 |
| Capitals Starting With T | 0 | - | 4.84 | 75,304 |
| Capitals Starting With W | 0 | - | 4.89 | 90,620 |
| Capitals Starting With A | 0 | - | 4.97 | 126,565 |
| Capitals Starting With B | 0 | - | 4.89 | 117,305 |
| Capitals Starting With D | 0 | - | 4.93 | 95,392 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,546 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,891 |
| Countries That Use the Euro | 0 | - | 4.96 | 103,007 |
| Olympic Host Countries | 0 | - | 4.98 | 198,905 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,822 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 113,573 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.94 | 303,592 |
| The Only European Country ... | 0 | - | 4.91 | 213,860 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,164 |
| European Countries NOT in NATO | 0 | - | 4.87 | 59,551 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,212 |
| Countries of Africa | 0 | - | 5.00 | 2,508,098 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,367 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,098 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,240 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,151 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,343 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,941 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,410 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,597 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,486 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,859 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,554 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,482 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,302 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,282 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,614 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,574 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,817 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,224 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,144 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,107 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,582 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,024 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,319 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,366 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,202 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,147 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,828 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,693 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,347 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,206 |
| Former Capitals | 0 | - | 4.88 | 71,146 |
| Capital Cities Chain | 0 | - | 4.84 | 81,920 |
| Coldest World Capitals | 0 | - | 4.95 | 133,047 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,802 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 20,893 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,002 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,196 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,856 |
| Countries of the Middle East | 0 | - | 4.96 | 198,942 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,273 |
| Slavic Countries | 0 | - | 4.96 | 110,863 |
| African Island Countries | 0 | - | 4.96 | 100,795 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,499 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,459 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 45,023 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,125 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,110 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,011,769 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 125,718 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,500 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,124 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 142,804 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,634 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 191,719 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 152,772 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,159 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,169 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,295 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,582 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,283 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,427 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,259 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,509 |
| Top 10 European Countries by English Proficiency | 0 | - | 4.74 | 65,380 |
| Flags to Languages | 0 | - | 4.95 | 172,491 |
| Countries by Languages in 90 Seconds | 0 | - | 4.93 | 711,575 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,980 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,006 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,864 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,997 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,831 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,406 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,599 |
| Official Cities in the UK | 0 | - | 4.89 | 280,562 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,099 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,112 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,298 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,412 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,711 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,889 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,929 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,481 |
| The Only Country ... | 0 | - | 4.91 | 79,890 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,212 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,366 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,351 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,374 |
| Monarchies of Europe | 0 | - | 4.90 | 97,328 |
