| European Capitals Ending in N | 0 | - | 4.92 | 80,788 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,131 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,437 |
| Asia Capitals Quiz | 0 | - | 4.98 | 686,069 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,568 |
| World Capitals Quiz | 0 | - | 5.00 | 5,032,544 |
| Europe Capital to Country | 0 | - | 4.99 | 247,971 |
| Asia Capital to Country | 0 | - | 4.96 | 125,783 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,502 |
| European Capitals by Map | 0 | - | 4.99 | 136,350 |
| African Capitals by Map | 0 | - | 4.99 | 132,200 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,157 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,220 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,650 |
| European Coastal Capitals | 0 | - | 4.95 | 89,795 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,199 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,881 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,894 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,432 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,571,450 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,388 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,953 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,685 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,432 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,149 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,198 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,727 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,477 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,316 |
| Capitals of the Stans | 0 | - | 4.95 | 26,420 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,808 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,414 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,972 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,667 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,619 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,656 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,482 |
| Countries by Capital City | 0 | - | 5.00 | 66,687 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,354 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,917 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,428 |
| Moved Capital Cities | 0 | - | 4.96 | 73,599 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,924 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,686 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,605 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,485 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,482 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,209 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,093 |
| Random European Capital to Country | 0 | - | 4.98 | 189,261 |
| Random European Country to Capital | 0 | - | 4.92 | 147,489 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,422 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,448 |
| Random African Capital to Country | 0 | - | 4.97 | 99,745 |
| Random African Country to Capital | 0 | - | 4.94 | 70,245 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,000 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,673 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,720 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,000 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,894 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,100 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,509 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,544 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,712 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,607 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,069 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,187 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,765 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,702 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,554 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,924 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,854 |
| North American Sports Cities | 0 | - | 4.83 | 170,931 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,927 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,892 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,754 |
| Name a City - European Countries | 0 | - | 4.92 | 64,434 |
| Cities by Former Name | 0 | - | 4.84 | 90,993 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,697 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,253 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,976 |
| World Capitals by Map | 0 | - | 5.00 | 283,276 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,686 |
| Random Capital to Country | 0 | - | 4.99 | 2,578,327 |
| Random Country to Capital | 0 | - | 4.98 | 911,814 |
| Capitals Starting With H | 0 | - | 4.90 | 91,104 |
| Capitals Starting With K | 0 | - | 4.85 | 75,709 |
| Capitals Starting With L | 0 | - | 4.81 | 86,864 |
| Capitals Starting With M | 0 | - | 4.93 | 106,108 |
| Capitals Starting With P | 0 | - | 4.88 | 77,216 |
| Capitals Starting With R | 0 | - | 4.87 | 80,996 |
| Capitals Starting With S | 0 | - | 4.89 | 84,833 |
| Capitals Starting With T | 0 | - | 4.84 | 75,318 |
| Capitals Starting With W | 0 | - | 4.89 | 90,628 |
| Capitals Starting With A | 0 | - | 4.97 | 126,579 |
| Capitals Starting With B | 0 | - | 4.89 | 117,322 |
| Capitals Starting With D | 0 | - | 4.93 | 95,411 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,807 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,280 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,642 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,847 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,553 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,894 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,525 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,875 |
| Largest City by Island | 0 | - | 4.87 | 71,065 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,399 |
| Biggest European Cities by Century | 0 | - | 4.98 | 143,817 |
| Megacities on a World Map | 0 | - | 4.98 | 251,030 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,364 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,812 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,889 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,807 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,178 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,145 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,115 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,587 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,025 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,325 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,383 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,219 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,180 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,865 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,712 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,359 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,236 |
| Former Capitals | 0 | - | 4.88 | 71,147 |
| Capital Cities Chain | 0 | - | 4.84 | 81,938 |
| Coldest World Capitals | 0 | - | 4.95 | 133,055 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,814 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,014 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,389 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,210 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,063 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,381 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,576 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,120 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,529 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,307 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,016 |
| Ancient City to Country | 0 | - | 4.70 | 107,625 |
| Official Cities in the UK | 0 | - | 4.89 | 280,637 |
| City-States | 0 | - | 4.53 | 37,108 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,794 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,483 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,113 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,051 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,819 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,968 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,467 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,119 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,158 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,692 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,302 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,035 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,426 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,159 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,777 |
| Top Five Capitals By Category #1 | 0 | - | 4.73 | 78,399 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,680 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,594 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,723 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,818 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,901 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,938 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,486 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,257 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,038 |
| The Only Country ... | 0 | - | 4.91 | 79,927 |
| Boundary Waters | 0 | - | 4.92 | 88,057 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,822 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,311 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,324 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,853 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,543 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,125 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,518 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,623 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,821 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,578 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,416 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,334 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,543 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,093 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,553 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,242 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,012 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,417 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,776 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,554 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,303 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,548 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,683 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,241 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,931 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,909 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,713 |
| Biggest City by Region | 0 | - | 4.50 | 36,000 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,907 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,021 |
