| World Capitals Quiz | 0 | - | 5.00 | 5,104,083 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,598,826 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,302 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,947 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,176 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,186 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,087 |
| Countries by Capital City | 0 | - | 5.00 | 69,332 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,822 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,194 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,780 |
| Moved Capital Cities | 0 | - | 4.96 | 74,623 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,794 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,715 |
| Capital City Etymologies | 0 | - | 4.77 | 63,515 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,724 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,405 |
| Africa Capitals Quiz | 0 | - | 4.99 | 743,416 |
| Asia Capitals Quiz | 0 | - | 4.98 | 698,559 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,672 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,966 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,786 |
| World Capitals by Map | 0 | - | 5.00 | 289,230 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,799 |
| Random Capital to Country | 0 | - | 4.99 | 2,600,971 |
| Random Country to Capital | 0 | - | 4.98 | 927,564 |
| Capitals Starting With H | 0 | - | 4.91 | 93,312 |
| Capitals Starting With K | 0 | - | 4.89 | 84,384 |
| Capitals Starting With M | 0 | - | 4.94 | 109,139 |
| Capitals Starting With P | 0 | - | 4.88 | 78,983 |
| Capitals Starting With R | 0 | - | 4.88 | 82,487 |
| Capitals Starting With S | 0 | - | 4.90 | 86,554 |
| Capitals Starting With T | 0 | - | 4.85 | 76,816 |
| Capitals Starting With W | 0 | - | 4.87 | 91,724 |
| Capitals Starting With A | 0 | - | 4.97 | 129,072 |
| Capitals Starting With B | 0 | - | 4.89 | 119,475 |
| Capitals Starting With D | 0 | - | 4.94 | 97,184 |
| Former Capitals | 0 | - | 4.88 | 71,663 |
| Europe Capital to Country | 0 | - | 4.99 | 251,987 |
| Asia Capital to Country | 0 | - | 4.96 | 127,354 |
| Capital Cities Chain | 0 | - | 4.84 | 83,336 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,915 |
| European Capitals by Map | 0 | - | 4.99 | 142,001 |
| African Capitals by Map | 0 | - | 4.99 | 142,051 |
| Coldest World Capitals | 0 | - | 4.95 | 134,135 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,872 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,821 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,143 |
| European Coastal Capitals | 0 | - | 4.95 | 91,270 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,166 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,545 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,694 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,145 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,098 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,526 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 68,933 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,827 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,822 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,062 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,198 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,545 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,067 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,654 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,367 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,843 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,256 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,560 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,449 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,919 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,895 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,742 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,549 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,856 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,301 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,687 |
| Capitals of the Stans | 0 | - | 4.95 | 27,123 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,588 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,280 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,069 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,051 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,633 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,513 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,242 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,636 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,183 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,666 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,556 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,320 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,851 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,535 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,602 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,363 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,269 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,717 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,050 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,373 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,484 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,804 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,466 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,805 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,051 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,003 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,550 |
| Capitals Starting With L | 0 | - | 4.80 | 95,631 |
| Capitals Starting With N | 0 | - | 4.80 | 51,874 |
| Capitals Starting With V | 0 | - | 4.80 | 38,639 |
| Capitals Starting With C | 0 | - | 4.78 | 98,949 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,780 |
| North American Sports Cities | 0 | - | 4.83 | 173,097 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,551 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,923 |
| Name a City - European Countries | 0 | - | 4.90 | 66,127 |
| Name a Valid World City | 0 | - | 4.85 | 71,949 |
| Cities by Former Name | 0 | - | 4.83 | 92,024 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,540 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,138 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,475 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,541 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,224 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,350 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,370 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,254 |
| Airports Named for People #1 | 0 | - | 4.44 | 56,099 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,316 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,715 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,095 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,225 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,770 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,426 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,881 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,398 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,004 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,639 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,548 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,807 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 491,435 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,657 |
| Ancient City to Country | 0 | - | 4.70 | 108,329 |
| Official Cities in the UK | 0 | - | 4.89 | 286,084 |
| City-States | 0 | - | 4.53 | 37,395 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,493 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,802 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,283 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,274 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,440 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,028 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,219 |
| City Where It Happened #3 | 0 | - | 4.53 | 40,564 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,084 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,082 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,267 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,363 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,478 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,513 |
| Capitals by River | 0 | - | 4.55 | 48,385 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,196 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,618 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,984 |
| The Only Country ... | 0 | - | 4.91 | 81,843 |
| Boundary Waters | 0 | - | 4.92 | 88,748 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,400 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,669 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,300 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,937 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,936 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,004 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,581 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,609 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 53,996 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,196 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,603 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,892 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,043 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,895 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,745 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,453 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,821 |
| Cities by Airports | 0 | - | 4.47 | 103,990 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,393 |
| Cities Chain #2 | 0 | - | 4.42 | 56,514 |
| Cities Chain #1 | 0 | - | 4.61 | 66,814 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,658 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,345 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,130 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,256 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,307 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,937 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,029 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,120 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,634 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,374 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,853,508 |
| Landlocked Countries | 0 | - | 4.99 | 425,401 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 587,396 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,673 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,919 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,547 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,910 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,698,260 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,164 |
