| World Capitals Quiz | 0 | - | 5.00 | 5,111,313 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,601,366 |
| Former Capitals | 0 | - | 4.88 | 71,713 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,491 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,047 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,293 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,361 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,292 |
| Countries by Capital City | 0 | - | 5.00 | 69,548 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,067 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,309 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,912 |
| Moved Capital Cities | 0 | - | 4.96 | 74,702 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,841 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,247 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,754 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,537 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,964 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,024 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,929 |
| World Capitals by Map | 0 | - | 5.00 | 289,769 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,890 |
| Capitals Starting With H | 0 | - | 4.91 | 93,405 |
| Capitals Starting With K | 0 | - | 4.88 | 84,479 |
| Capitals Starting With L | 0 | - | 4.81 | 96,028 |
| Capitals Starting With M | 0 | - | 4.94 | 109,309 |
| Capitals Starting With P | 0 | - | 4.88 | 79,091 |
| Capitals Starting With R | 0 | - | 4.88 | 82,572 |
| Capitals Starting With S | 0 | - | 4.90 | 86,657 |
| Capitals Starting With T | 0 | - | 4.86 | 76,908 |
| Capitals Starting With W | 0 | - | 4.87 | 91,776 |
| Capitals Starting With A | 0 | - | 4.97 | 129,221 |
| Capitals Starting With B | 0 | - | 4.89 | 119,600 |
| Capitals Starting With D | 0 | - | 4.94 | 97,285 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,748 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,588 |
| Random Capital to Country | 0 | - | 4.99 | 2,603,235 |
| Random Country to Capital | 0 | - | 4.98 | 929,428 |
| Europe Capital to Country | 0 | - | 4.99 | 252,415 |
| Asia Capital to Country | 0 | - | 4.96 | 127,646 |
| Capital Cities Chain | 0 | - | 4.84 | 83,478 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,181 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,653 |
| European Capitals by Map | 0 | - | 4.99 | 142,388 |
| African Capitals by Map | 0 | - | 4.99 | 142,465 |
| Coldest World Capitals | 0 | - | 4.95 | 134,218 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,069 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,055 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,316 |
| European Coastal Capitals | 0 | - | 4.95 | 91,443 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,249 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,098 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,074 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,218 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,227 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,670 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,286 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,599 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,893 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,289 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,202 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,410 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,550 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,327 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,685 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,247 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,752 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,454 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,892 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,434 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,186 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,758 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,614 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,642 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,516 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,025 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,985 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,841 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,640 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,055 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,318 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,783 |
| Capitals of the Stans | 0 | - | 4.95 | 27,210 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,451 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,752 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,392 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,967 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,852 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,473 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,969 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,650 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,668 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,396 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,292 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,747 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,096 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,496 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,473 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,827 |
| Capitals Starting With N | 0 | - | 4.80 | 51,967 |
| Capitals Starting With V | 0 | - | 4.80 | 38,702 |
| Capitals Starting With C | 0 | - | 4.78 | 99,106 |
| North American Sports Cities | 0 | - | 4.82 | 173,250 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,589 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,023 |
| Name a City - European Countries | 0 | - | 4.89 | 66,325 |
| Name a Valid World City | 0 | - | 4.85 | 72,089 |
| Cities by Former Name | 0 | - | 4.83 | 92,148 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,544 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,902 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,143 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,180 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,602 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,933 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,330 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,768 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,136 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,234 |
| Cities in European History #1 | 0 | - | 4.63 | 134,704 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,931 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,193 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,497 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,622 |
| Capital City Etymologies | 0 | - | 4.77 | 63,561 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,307 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,417 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,509 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,274 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,548 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,471 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,216 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,971 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,589 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,257 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,559 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,910 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,832 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,814 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,616 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,019 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,688 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,256 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,772 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,653 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,655 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,195 |
| Boundary Waters | 0 | - | 4.92 | 88,818 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,440 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,786 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,472 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,030 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,055 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,083 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,317 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,039 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,592 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,643 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,246 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,774 |
| Ancient City to Country | 0 | - | 4.72 | 108,387 |
| Official Cities in the UK | 0 | - | 4.89 | 286,636 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,206 |
| City-States | 0 | - | 4.53 | 37,432 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,608 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,526 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,846 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,441 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,288 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,570 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,208 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,342 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,108 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,091 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,285 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,371 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,249 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,872 |
| The Only Country ... | 0 | - | 4.91 | 81,993 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,518 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,602 |
| Capitals by River | 0 | - | 4.55 | 48,398 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,050 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,941,171 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,498 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,932 |
| Cities by Airports | 0 | - | 4.48 | 104,123 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,466 |
| Cities Chain #2 | 0 | - | 4.42 | 56,536 |
| Cities Chain #1 | 0 | - | 4.61 | 66,846 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,945 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,060 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,377 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,649 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,194 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,193 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,284 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,312 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,347 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,965 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,049 |
