| European Capitals Ending in N | 0 | - | 4.92 | 80,691 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,024 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,284 |
| Asia Capitals Quiz | 0 | - | 4.98 | 684,730 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,380 |
| World Capitals Quiz | 0 | - | 5.00 | 5,025,099 |
| Europe Capital to Country | 0 | - | 4.99 | 247,258 |
| Asia Capital to Country | 0 | - | 4.96 | 125,602 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,263 |
| European Capitals by Map | 0 | - | 4.99 | 135,893 |
| African Capitals by Map | 0 | - | 4.99 | 132,034 |
| Asian Capitals by Map | 0 | - | 4.98 | 60,948 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,060 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,518 |
| European Coastal Capitals | 0 | - | 4.95 | 89,628 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,140 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,324 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,506 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,368 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,568,742 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,734 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,455 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,523 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,324 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 117,999 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,068 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,639 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,361 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,126 |
| Capitals of the Stans | 0 | - | 4.95 | 26,361 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,560 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,287 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,803 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,556 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,505 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,471 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,197 |
| Countries by Capital City | 0 | - | 5.00 | 66,441 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,217 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,799 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,329 |
| Moved Capital Cities | 0 | - | 4.96 | 73,503 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,662 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,603 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,098 |
| World Capitals by Proximity | 0 | - | 4.91 | 327,914 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,291 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,145 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,945 |
| Random European Capital to Country | 0 | - | 4.98 | 189,041 |
| Random European Country to Capital | 0 | - | 4.92 | 147,322 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,261 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,321 |
| Random African Capital to Country | 0 | - | 4.97 | 99,667 |
| Random African Country to Capital | 0 | - | 4.94 | 70,148 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,942 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,427 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,381 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,448 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,624 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,545 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,299 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,366 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,185 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,381 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,927 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,041 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,623 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,537 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,230 |
| Biggest Cities in the United States | 0 | - | 4.93 | 964,896 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,441 |
| North American Sports Cities | 0 | - | 4.83 | 170,739 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,877 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,675,951 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,630 |
| Name a City - European Countries | 0 | - | 4.92 | 64,256 |
| Cities by Former Name | 0 | - | 4.84 | 90,858 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,630 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,182 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,758 |
| World Capitals by Map | 0 | - | 5.00 | 282,776 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,594 |
| Random Capital to Country | 0 | - | 4.99 | 2,576,031 |
| Random Country to Capital | 0 | - | 4.98 | 910,387 |
| Capitals Starting With H | 0 | - | 4.90 | 88,025 |
| Capitals Starting With K | 0 | - | 4.85 | 75,436 |
| Capitals Starting With M | 0 | - | 4.93 | 105,713 |
| Capitals Starting With P | 0 | - | 4.88 | 76,959 |
| Capitals Starting With R | 0 | - | 4.87 | 80,764 |
| Capitals Starting With S | 0 | - | 4.89 | 84,562 |
| Capitals Starting With T | 0 | - | 4.84 | 75,103 |
| Capitals Starting With W | 0 | - | 4.89 | 90,427 |
| Capitals Starting With A | 0 | - | 4.97 | 126,218 |
| Capitals Starting With B | 0 | - | 4.89 | 116,991 |
| Capitals Starting With D | 0 | - | 4.93 | 95,081 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,768 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,203 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,573 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,736 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,425 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,818 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,180 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,665 |
| Largest City by Island | 0 | - | 4.87 | 70,931 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,187 |
| Biggest European Cities by Century | 0 | - | 4.98 | 129,054 |
| Megacities on a World Map | 0 | - | 4.98 | 250,115 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,508 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,708 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,732 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,449 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 166,973 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,135 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,050 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,537 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,009 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,255 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,233 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,076 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 212,840 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,633 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,481 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,262 |
| U.S. Cities With Spanish Names | 0 | - | 4.93 | 21,926 |
| Former Capitals | 0 | - | 4.88 | 71,073 |
| Capital Cities Chain | 0 | - | 4.84 | 81,793 |
| Coldest World Capitals | 0 | - | 4.95 | 132,977 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,679 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,854 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,206 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,087 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,680 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,065 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,500 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,553 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,310 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,205 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,921 |
| Ancient City to Country | 0 | - | 4.70 | 107,547 |
| Official Cities in the UK | 0 | - | 4.89 | 280,101 |
| City-States | 0 | - | 4.53 | 37,069 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,739 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,456 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,032 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,028 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,702 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,935 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,452 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,026 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,147 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,644 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,251 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,016 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,245 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,123 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,692 |
| Top Five Capitals By Category #1 | 0 | - | 4.72 | 78,157 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,523 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,484 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,649 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,794 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,776 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,856 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,388 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,178 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,000 |
| The Only Country ... | 0 | - | 4.91 | 79,695 |
| Boundary Waters | 0 | - | 4.92 | 87,989 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,782 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,164 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,118 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,754 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,470 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,033 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,242 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,434 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,637 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,534 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,403 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,301 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,510 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,089 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,546 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,074 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,624 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,036 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,566 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,343 |
| Random World Capitals on a Map | 0 | - | 4.93 | 132,950 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,377 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,558 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,087 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,825 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,878 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,640 |
| Biggest City by Region | 0 | - | 4.50 | 35,960 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,860 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,995 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,198 |
