| World Capitals Quiz | 0 | - | 5.00 | 5,088,551 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,592,751 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,670 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,637 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,790 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,647 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,490 |
| Countries by Capital City | 0 | - | 5.00 | 68,783 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,458 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,898 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,490 |
| Moved Capital Cities | 0 | - | 4.96 | 74,409 |
| World Capitals by Proximity | 0 | - | 4.90 | 332,489 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,588 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,142 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,528 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,809 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,493 |
| World Capitals by Map | 0 | - | 5.00 | 287,874 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,557 |
| Capitals Starting With H | 0 | - | 4.91 | 92,801 |
| Capitals Starting With K | 0 | - | 4.88 | 83,856 |
| Capitals Starting With L | 0 | - | 4.81 | 88,318 |
| Capitals Starting With M | 0 | - | 4.93 | 108,190 |
| Capitals Starting With P | 0 | - | 4.88 | 78,430 |
| Capitals Starting With R | 0 | - | 4.87 | 82,048 |
| Capitals Starting With S | 0 | - | 4.90 | 86,031 |
| Capitals Starting With T | 0 | - | 4.84 | 76,376 |
| Capitals Starting With W | 0 | - | 4.87 | 91,434 |
| Capitals Starting With A | 0 | - | 4.97 | 128,393 |
| Capitals Starting With B | 0 | - | 4.88 | 118,807 |
| Capitals Starting With D | 0 | - | 4.93 | 96,705 |
| Africa Capitals Quiz | 0 | - | 4.99 | 740,671 |
| Asia Capitals Quiz | 0 | - | 4.98 | 695,545 |
| Random Capital to Country | 0 | - | 4.99 | 2,596,069 |
| Random Country to Capital | 0 | - | 4.98 | 923,808 |
| Former Capitals | 0 | - | 4.88 | 71,554 |
| Europe Capital to Country | 0 | - | 4.99 | 251,144 |
| Asia Capital to Country | 0 | - | 4.96 | 126,971 |
| Capital Cities Chain | 0 | - | 4.84 | 83,043 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,378 |
| European Capitals by Map | 0 | - | 4.99 | 140,558 |
| African Capitals by Map | 0 | - | 4.99 | 138,215 |
| Coldest World Capitals | 0 | - | 4.95 | 133,753 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,041 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,411 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,755 |
| European Coastal Capitals | 0 | - | 4.95 | 90,928 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,764 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,194 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,854 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,973 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,835 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,185 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,566 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,257 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,000 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,458 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,309 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,277 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,416 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,251 |
| Capitals of the Stans | 0 | - | 4.95 | 26,974 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,715 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,648 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,120 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,888 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,804 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,274 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,638 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,102 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,761 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,869 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,364 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,289 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,635 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,663 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,563 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,350 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,099 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,475 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,334 |
| National Subdivisions by Capital | 0 | - | 4.36 | 100,671 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,283 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,207 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,665 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,904 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,431 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,446 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,600 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,763 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,015 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,963 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,895 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,578 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,351 |
| Capitals Starting With N | 0 | - | 4.80 | 51,394 |
| Capitals Starting With V | 0 | - | 4.79 | 38,350 |
| Capitals Starting With C | 0 | - | 4.78 | 98,304 |
| North American Sports Cities | 0 | - | 4.83 | 172,743 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,435 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,661 |
| Name a City - European Countries | 0 | - | 4.90 | 65,774 |
| Name a Valid World City | 0 | - | 4.83 | 71,568 |
| Cities by Former Name | 0 | - | 4.83 | 91,797 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,271 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,544 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,972 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,185 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,896 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,655 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,721 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,581 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,412 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,492 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,860 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,452 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,311 |
| Capital City Etymologies | 0 | - | 4.77 | 63,423 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,213 |
| Boundary Waters | 0 | - | 4.92 | 88,621 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,291 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,366 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,873 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,699 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,670 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,654 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,076 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,479 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,712 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,549 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,346 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,240 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,065 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,001 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,154 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,049 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,899 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,551 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,563 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 48,821 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,170 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,590 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,399 |
| Ancient City to Country | 0 | - | 4.70 | 108,181 |
| City-States | 0 | - | 4.53 | 37,325 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,390 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,730 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,222 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,753 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,165 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,024 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,058 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,225 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,331 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,061 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,967 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 489,752 |
| Official Cities in the UK | 0 | - | 4.89 | 284,899 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,039 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,236 |
| The Only Country ... | 0 | - | 4.91 | 81,517 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,650,452 |
| Landlocked Countries | 0 | - | 4.99 | 422,838 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 579,801 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,413 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,338 |
| Capitals by River | 0 | - | 4.55 | 48,354 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,822 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,755 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,108 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,527 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,544 |
| Cities with the Same Name | 0 | - | 3.94 | 36,700 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,820 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,337 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,510 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,415 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,995 |
| Cities by Airports | 0 | - | 4.47 | 102,908 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,646 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,768 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,512 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,873 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,195 |
| Cities Chain #2 | 0 | - | 4.42 | 56,445 |
| Cities Chain #1 | 0 | - | 4.61 | 66,705 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 72,997 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,134 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,518 |
| Cities by Initials | 0 | - | 4.12 | 24,597 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,264 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,747 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,330 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,936 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,726 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,199 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,133 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,411 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,202 |
