| World Capitals Quiz | 0 | - | 5.00 | 5,109,731 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,600,840 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,458 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,023 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,271 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,325 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,245 |
| Countries by Capital City | 0 | - | 5.00 | 69,510 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,935 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,283 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,882 |
| Moved Capital Cities | 0 | - | 4.96 | 74,692 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,834 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,125 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,748 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,514 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,956 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,010 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,901 |
| World Capitals by Map | 0 | - | 5.00 | 289,680 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,869 |
| Capitals Starting With H | 0 | - | 4.91 | 93,383 |
| Capitals Starting With K | 0 | - | 4.88 | 84,460 |
| Capitals Starting With M | 0 | - | 4.94 | 109,271 |
| Capitals Starting With P | 0 | - | 4.88 | 79,064 |
| Capitals Starting With R | 0 | - | 4.88 | 82,552 |
| Capitals Starting With S | 0 | - | 4.90 | 86,631 |
| Capitals Starting With T | 0 | - | 4.86 | 76,886 |
| Capitals Starting With W | 0 | - | 4.87 | 91,768 |
| Capitals Starting With A | 0 | - | 4.97 | 129,184 |
| Capitals Starting With B | 0 | - | 4.89 | 119,575 |
| Capitals Starting With D | 0 | - | 4.94 | 97,265 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,477 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,354 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,740 |
| Random Country to Capital | 0 | - | 4.98 | 929,105 |
| Former Capitals | 0 | - | 4.88 | 71,704 |
| Europe Capital to Country | 0 | - | 4.99 | 252,288 |
| Asia Capital to Country | 0 | - | 4.96 | 127,622 |
| Capital Cities Chain | 0 | - | 4.84 | 83,447 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,105 |
| European Capitals by Map | 0 | - | 4.99 | 142,298 |
| African Capitals by Map | 0 | - | 4.99 | 142,358 |
| Coldest World Capitals | 0 | - | 4.95 | 134,193 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,014 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,981 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,263 |
| European Coastal Capitals | 0 | - | 4.95 | 91,391 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,233 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,970 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,976 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,201 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,202 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,633 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,598 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,288 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,104 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,154 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,729 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,591 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,732 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,315 |
| Capitals of the Stans | 0 | - | 4.95 | 27,187 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,406 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,880 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,249 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,432 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,296 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,643 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,204 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,437 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,884 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,391 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,621 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,499 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,001 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,957 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,816 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,621 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 228,000 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,750 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,728 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,656 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,386 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,286 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,733 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,081 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,493 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,472 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,339 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,823 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,908 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,738 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,442 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,943 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,601 |
| Capitals Starting With L | 0 | - | 4.81 | 95,978 |
| Capitals Starting With N | 0 | - | 4.80 | 51,944 |
| Capitals Starting With V | 0 | - | 4.80 | 38,684 |
| Capitals Starting With C | 0 | - | 4.78 | 99,078 |
| North American Sports Cities | 0 | - | 4.82 | 173,211 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,583 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,994 |
| Name a City - European Countries | 0 | - | 4.89 | 66,254 |
| Cities by Former Name | 0 | - | 4.83 | 92,116 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,325 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,758 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,121 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,233 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,511 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,852 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,124 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,135 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,595 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,888 |
| Solve the Secret Capital City | 0 | - | 4.81 | 164,632 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,489 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,606 |
| Capital City Etymologies | 0 | - | 4.77 | 63,548 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,268 |
| Boundary Waters | 0 | - | 4.92 | 88,802 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,430 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,763 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,426 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,012 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,025 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,804 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,571 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,988 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,610 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,171 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,739 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,628 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,184 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,294 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,404 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,472 |
| Unusual U.S. City Names | 0 | - | 4.52 | 28,029 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,590 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,632 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 54,189 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,205 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,606 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,748 |
| Ancient City to Country | 0 | - | 4.72 | 108,378 |
| City-States | 0 | - | 4.53 | 37,422 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,519 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,838 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,284 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,179 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,332 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,103 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,088 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,283 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,367 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,229 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,799 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 491,964 |
| Official Cities in the UK | 0 | - | 4.89 | 286,543 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,407 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,545 |
| The Only Country ... | 0 | - | 4.91 | 81,956 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,922,013 |
| Landlocked Countries | 0 | - | 4.99 | 426,587 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 590,189 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,505 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,582 |
| Capitals by River | 0 | - | 4.55 | 48,394 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,030 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,954 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,448 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,066 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,097 |
| Cities with the Same Name | 0 | - | 3.94 | 36,731 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,846 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,489 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,905 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,442 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,013 |
| Cities by Airports | 0 | - | 4.48 | 104,096 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,683 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,968 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,555 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,919 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,448 |
| Cities Chain #2 | 0 | - | 4.42 | 56,531 |
| Cities Chain #1 | 0 | - | 4.61 | 66,840 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,872 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,169 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,014 |
| Cities by Initials | 0 | - | 4.12 | 24,639 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,372 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,513 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,120 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,985 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,181 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,275 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,241 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,771 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,336 |
