| World Capitals Quiz | 0 | - | 5.00 | 5,091,493 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,928 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,797 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,716 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,913 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,799 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,636 |
| Countries by Capital City | 0 | - | 5.00 | 68,925 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,551 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,976 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,561 |
| Moved Capital Cities | 0 | - | 4.96 | 74,467 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,708 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,720 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,627 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,205 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,561 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,845 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,556 |
| World Capitals by Map | 0 | - | 5.00 | 288,236 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,628 |
| Capitals Starting With H | 0 | - | 4.91 | 92,854 |
| Capitals Starting With K | 0 | - | 4.88 | 83,900 |
| Capitals Starting With L | 0 | - | 4.81 | 88,373 |
| Capitals Starting With M | 0 | - | 4.93 | 108,302 |
| Capitals Starting With P | 0 | - | 4.88 | 78,490 |
| Capitals Starting With R | 0 | - | 4.87 | 82,091 |
| Capitals Starting With S | 0 | - | 4.90 | 86,079 |
| Capitals Starting With T | 0 | - | 4.85 | 76,420 |
| Capitals Starting With W | 0 | - | 4.87 | 91,464 |
| Capitals Starting With A | 0 | - | 4.97 | 128,460 |
| Capitals Starting With B | 0 | - | 4.89 | 118,877 |
| Capitals Starting With D | 0 | - | 4.93 | 96,760 |
| Africa Capitals Quiz | 0 | - | 4.99 | 741,274 |
| Asia Capitals Quiz | 0 | - | 4.98 | 696,271 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,898 |
| Random Country to Capital | 0 | - | 4.98 | 924,536 |
| Former Capitals | 0 | - | 4.88 | 71,575 |
| Europe Capital to Country | 0 | - | 4.99 | 251,348 |
| Asia Capital to Country | 0 | - | 4.96 | 127,074 |
| Capital Cities Chain | 0 | - | 4.84 | 83,103 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,501 |
| European Capitals by Map | 0 | - | 4.99 | 141,035 |
| African Capitals by Map | 0 | - | 4.99 | 140,576 |
| Coldest World Capitals | 0 | - | 4.95 | 134,014 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,405 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,535 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,888 |
| European Coastal Capitals | 0 | - | 4.95 | 91,001 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,013 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,437 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,003 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,004 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,896 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,250 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,572 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,263 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,019 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,601 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,383 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,324 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,462 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,267 |
| Capitals of the Stans | 0 | - | 4.95 | 27,023 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,843 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,670 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,429 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,092 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,896 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,330 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,704 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,171 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,776 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,972 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,399 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,332 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,712 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,714 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,600 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,393 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,185 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,515 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,382 |
| National Subdivisions by Capital | 0 | - | 4.36 | 104,623 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,297 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,217 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,675 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,930 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,439 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,449 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,709 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,775 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,158 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,070 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,985 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,628 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,393 |
| Capitals Starting With N | 0 | - | 4.80 | 51,438 |
| Capitals Starting With V | 0 | - | 4.79 | 38,382 |
| Capitals Starting With C | 0 | - | 4.78 | 98,379 |
| North American Sports Cities | 0 | - | 4.83 | 172,834 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,459 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,727 |
| Name a City - European Countries | 0 | - | 4.90 | 65,850 |
| Cities by Former Name | 0 | - | 4.83 | 91,840 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,286 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,578 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,007 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,197 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,980 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,679 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,764 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,647 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,438 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,550 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,921 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,458 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,363 |
| Capital City Etymologies | 0 | - | 4.77 | 63,440 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,218 |
| Boundary Waters | 0 | - | 4.92 | 88,645 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,317 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,423 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,965 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,745 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,726 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,666 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,143 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,600 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,858 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,656 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,406 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,330 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,088 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,080 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,196 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,136 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,922 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,556 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,571 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 52,646 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,175 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,592 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,474 |
| Ancient City to Country | 0 | - | 4.70 | 108,217 |
| City-States | 0 | - | 4.53 | 37,337 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,413 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,748 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,226 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,802 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,176 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,043 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,066 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,233 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,333 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.63 | 16,136 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,138 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,050 |
| Official Cities in the UK | 0 | - | 4.89 | 285,121 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,087 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,269 |
| The Only Country ... | 0 | - | 4.91 | 81,577 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,688,563 |
| Landlocked Countries | 0 | - | 4.99 | 423,298 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 581,517 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,430 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,374 |
| Capitals by River | 0 | - | 4.55 | 48,361 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,848 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,792 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,160 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,622 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,651 |
| Cities with the Same Name | 0 | - | 3.94 | 36,706 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,823 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,353 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,582 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,421 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,997 |
| Cities by Airports | 0 | - | 4.47 | 103,405 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,651 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,797 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,518 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,879 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,237 |
| Cities Chain #2 | 0 | - | 4.42 | 56,462 |
| Cities Chain #1 | 0 | - | 4.61 | 66,734 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,114 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,140 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,597 |
| Cities by Initials | 0 | - | 4.12 | 24,604 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,288 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,995 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,458 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,939 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,745 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,210 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,209 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,425 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,222 |
