| World Capitals Quiz | 0 | - | 5.00 | 5,100,379 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,301 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,213 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,877 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,081 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,070 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,966 |
| Countries by Capital City | 0 | - | 5.00 | 69,221 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,751 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,130 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,721 |
| Moved Capital Cities | 0 | - | 4.96 | 74,583 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,773 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,431 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,701 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,352 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,650 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,933 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,724 |
| World Capitals by Map | 0 | - | 5.00 | 288,972 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,750 |
| Capitals Starting With H | 0 | - | 4.91 | 93,218 |
| Capitals Starting With K | 0 | - | 4.89 | 84,298 |
| Capitals Starting With M | 0 | - | 4.94 | 108,974 |
| Capitals Starting With P | 0 | - | 4.88 | 78,892 |
| Capitals Starting With R | 0 | - | 4.88 | 82,418 |
| Capitals Starting With S | 0 | - | 4.90 | 86,462 |
| Capitals Starting With T | 0 | - | 4.85 | 76,747 |
| Capitals Starting With W | 0 | - | 4.87 | 91,669 |
| Capitals Starting With A | 0 | - | 4.97 | 128,962 |
| Capitals Starting With B | 0 | - | 4.89 | 119,360 |
| Capitals Starting With D | 0 | - | 4.94 | 97,086 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,845 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,894 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,658 |
| Random Country to Capital | 0 | - | 4.98 | 926,690 |
| Former Capitals | 0 | - | 4.88 | 71,639 |
| Europe Capital to Country | 0 | - | 4.99 | 251,811 |
| Asia Capital to Country | 0 | - | 4.96 | 127,293 |
| Capital Cities Chain | 0 | - | 4.84 | 83,266 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,785 |
| European Capitals by Map | 0 | - | 4.99 | 141,800 |
| African Capitals by Map | 0 | - | 4.99 | 141,855 |
| Coldest World Capitals | 0 | - | 4.95 | 134,109 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,795 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,738 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,068 |
| European Coastal Capitals | 0 | - | 4.95 | 91,201 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,123 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,199 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,516 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,106 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,052 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,462 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,584 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,278 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,060 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,979 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,563 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,462 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,600 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,287 |
| Capitals of the Stans | 0 | - | 4.95 | 27,090 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,130 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,755 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,366 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,797 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,121 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,480 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,966 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,309 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,829 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,187 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,511 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,419 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,845 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,850 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,706 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,499 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,717 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,643 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,549 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,517 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,333 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,251 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,710 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,027 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,470 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,464 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,026 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,798 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,544 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,427 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,219 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,774 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,492 |
| Capitals Starting With L | 0 | - | 4.80 | 94,930 |
| Capitals Starting With N | 0 | - | 4.80 | 51,793 |
| Capitals Starting With V | 0 | - | 4.80 | 38,580 |
| Capitals Starting With C | 0 | - | 4.78 | 98,819 |
| North American Sports Cities | 0 | - | 4.83 | 173,030 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,524 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,854 |
| Name a City - European Countries | 0 | - | 4.90 | 66,044 |
| Cities by Former Name | 0 | - | 4.83 | 91,965 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,305 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,677 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,060 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,216 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,270 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,763 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,979 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,910 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,508 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,734 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,462 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,471 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,499 |
| Capital City Etymologies | 0 | - | 4.77 | 63,488 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,242 |
| Boundary Waters | 0 | - | 4.92 | 88,719 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,372 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,594 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,201 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,862 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,867 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,745 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,337 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,798 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,242 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,910 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,569 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,494 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,128 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,189 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,321 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,305 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,988 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,577 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,601 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 53,822 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,190 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,600 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,610 |
| Ancient City to Country | 0 | - | 4.70 | 108,290 |
| City-States | 0 | - | 4.53 | 37,379 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,471 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,784 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,249 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,934 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,202 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,077 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,075 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,261 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,355 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,172 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,473 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 490,991 |
| Official Cities in the UK | 0 | - | 4.89 | 285,852 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,207 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,378 |
| The Only Country ... | 0 | - | 4.91 | 81,767 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,800,316 |
| Landlocked Countries | 0 | - | 4.99 | 424,749 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 585,705 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,465 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,485 |
| Capitals by River | 0 | - | 4.55 | 48,380 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,954 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,871 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,311 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,838 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,869 |
| Cities with the Same Name | 0 | - | 3.94 | 36,719 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,835 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,421 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,768 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,437 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,005 |
| Cities by Airports | 0 | - | 4.47 | 103,910 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,663 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,884 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,540 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,902 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,351 |
| Cities Chain #2 | 0 | - | 4.42 | 56,498 |
| Cities Chain #1 | 0 | - | 4.61 | 66,790 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,505 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,157 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,812 |
| Cities by Initials | 0 | - | 4.12 | 24,627 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,332 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,779 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,755 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,963 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,100 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,244 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,405 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,460 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,287 |
