| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,375 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,004 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,101 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,074 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,054 |
| Countries of Africa | 0 | - | 5.00 | 2,546,191 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,819 |
| Random European Capital to Country | 0 | - | 4.98 | 191,519 |
| Random European Country to Capital | 0 | - | 4.93 | 165,437 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,647 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,029 |
| Random African Capital to Country | 0 | - | 4.97 | 100,933 |
| Random African Country to Capital | 0 | - | 4.94 | 71,418 |
| World Capitals Quiz | 0 | - | 5.00 | 5,085,882 |
| Europe Capital to Country | 0 | - | 4.99 | 250,982 |
| Asia Capital to Country | 0 | - | 4.96 | 126,899 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,263 |
| European Capitals by Map | 0 | - | 4.99 | 140,093 |
| African Capitals by Map | 0 | - | 4.99 | 134,222 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,700 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,330 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,676 |
| European Coastal Capitals | 0 | - | 4.95 | 90,861 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,691 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,952 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,667 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,939 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,805 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,693 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,763 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,232 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,561 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,056 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,318 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,570 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,438 |
| Capitals of the Stans | 0 | - | 4.95 | 26,934 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,918 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,620 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,289 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,839 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,312 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,880 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,136 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,015 |
| Countries with Megacities | 0 | - | 4.99 | 264,857 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,849 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,533 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,108 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,612 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,632 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,594 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,587 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,722 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,549 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,406 |
| Countries by Capital City | 0 | - | 5.00 | 68,698 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,408 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 114,850 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,295 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,446 |
| Moved Capital Cities | 0 | - | 4.96 | 74,379 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,661 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,761 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,818 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,617 |
| One Country By Letter By Continent | 0 | - | 5.00 | 124,578 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,980 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,296 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,219 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,604 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,779 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,255 |
| North American Sports Cities | 0 | - | 4.83 | 172,691 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,418 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,606 |
| Name a City - European Countries | 0 | - | 4.90 | 65,665 |
| Cities by Former Name | 0 | - | 4.83 | 91,754 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,505 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,774 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,052 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,437 |
| World Capitals by Map | 0 | - | 5.00 | 287,603 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,503 |
| Random Capital to Country | 0 | - | 4.99 | 2,595,275 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,947 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,097 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,979 |
| Random Country to Capital | 0 | - | 4.98 | 923,233 |
| Capitals Starting With H | 0 | - | 4.91 | 92,757 |
| Capitals Starting With K | 0 | - | 4.88 | 83,810 |
| Capitals Starting With L | 0 | - | 4.81 | 88,279 |
| Capitals Starting With M | 0 | - | 4.93 | 108,119 |
| Capitals Starting With P | 0 | - | 4.88 | 78,383 |
| Capitals Starting With R | 0 | - | 4.87 | 82,005 |
| Capitals Starting With S | 0 | - | 4.90 | 85,990 |
| Capitals Starting With T | 0 | - | 4.84 | 76,340 |
| Capitals Starting With W | 0 | - | 4.87 | 91,416 |
| Capitals Starting With A | 0 | - | 4.97 | 128,336 |
| Capitals Starting With B | 0 | - | 4.89 | 118,755 |
| Capitals Starting With D | 0 | - | 4.93 | 96,662 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,337 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,193 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,663 |
| Olympic Host Countries | 0 | - | 4.98 | 201,175 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,147 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,763 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 311,031 |
| The Only European Country ... | 0 | - | 4.91 | 217,524 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,878 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,660 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,749 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,564 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,953 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,598 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,911 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,721 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,780 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,196 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,362 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,523 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,005 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,259 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,281 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,544 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,320 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,945 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,355 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,657 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,435 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,266 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,511 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,958 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,179 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,636 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,015 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,314 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,574 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,439 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,168 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,031 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,446 |
| Former Capitals | 0 | - | 4.88 | 71,534 |
| Capital Cities Chain | 0 | - | 4.84 | 82,990 |
| Coldest World Capitals | 0 | - | 4.95 | 133,674 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,791 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,964 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,147 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,268 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,331,177 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 219,496 |
| Countries of the Middle East | 0 | - | 4.96 | 201,769 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,619 |
| Slavic Countries | 0 | - | 4.96 | 111,931 |
| African Island Countries | 0 | - | 4.96 | 101,910 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,976 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,698 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.82 | 50,082 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,236 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,402 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,026,263 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,284 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,835 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,908 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,674 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 217,419 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,969 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,067 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,729 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,429 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,477 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,824 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,526 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,396 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,255 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,458 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,418 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,298 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,724 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,391 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,599 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,565 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,938 |
| Official Cities in the UK | 0 | - | 4.89 | 284,675 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,994 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,623 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,741 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,733 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,266 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,625 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,533 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,283 |
| The Only Country ... | 0 | - | 4.91 | 81,452 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,137 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,603 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,304 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,240 |
| Monarchies of Europe | 0 | - | 4.90 | 98,388 |
| Monarchies of Asia | 0 | - | 4.97 | 71,255 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,513 |
