| World Capitals Quiz | 0 | - | 5.00 | 5,100,897 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,542 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,227 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,886 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,088 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,087 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,993 |
| Countries by Capital City | 0 | - | 5.00 | 69,236 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,762 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,145 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,734 |
| Moved Capital Cities | 0 | - | 4.96 | 74,588 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,774 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,478 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,702 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,360 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,652 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,938 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,730 |
| World Capitals by Map | 0 | - | 5.00 | 289,010 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,763 |
| Capitals Starting With H | 0 | - | 4.91 | 93,232 |
| Capitals Starting With K | 0 | - | 4.89 | 84,307 |
| Capitals Starting With M | 0 | - | 4.94 | 109,005 |
| Capitals Starting With P | 0 | - | 4.88 | 78,908 |
| Capitals Starting With R | 0 | - | 4.88 | 82,432 |
| Capitals Starting With S | 0 | - | 4.90 | 86,477 |
| Capitals Starting With T | 0 | - | 4.85 | 76,757 |
| Capitals Starting With W | 0 | - | 4.87 | 91,678 |
| Capitals Starting With A | 0 | - | 4.97 | 128,985 |
| Capitals Starting With B | 0 | - | 4.89 | 119,380 |
| Capitals Starting With D | 0 | - | 4.94 | 97,100 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,910 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,966 |
| Random Capital to Country | 0 | - | 4.99 | 2,599,812 |
| Random Country to Capital | 0 | - | 4.98 | 926,787 |
| Former Capitals | 0 | - | 4.88 | 71,641 |
| Europe Capital to Country | 0 | - | 4.99 | 251,836 |
| Asia Capital to Country | 0 | - | 4.96 | 127,305 |
| Capital Cities Chain | 0 | - | 4.84 | 83,272 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,799 |
| European Capitals by Map | 0 | - | 4.99 | 141,830 |
| African Capitals by Map | 0 | - | 4.99 | 141,875 |
| Coldest World Capitals | 0 | - | 4.95 | 134,111 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,805 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,747 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,080 |
| European Coastal Capitals | 0 | - | 4.95 | 91,208 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,128 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,221 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,533 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,115 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,061 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,473 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,584 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,279 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,060 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,991 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,573 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,470 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,613 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,289 |
| Capitals of the Stans | 0 | - | 4.95 | 27,094 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,145 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,766 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,410 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,825 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,130 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,494 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,984 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,323 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,832 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,192 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,517 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,422 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,856 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,854 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,709 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,514 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,742 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,649 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,577 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,543 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,335 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,255 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,711 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,028 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,471 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,465 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,038 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,799 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,562 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,449 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,232 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,783 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,496 |
| Capitals Starting With L | 0 | - | 4.80 | 95,089 |
| Capitals Starting With N | 0 | - | 4.80 | 51,809 |
| Capitals Starting With V | 0 | - | 4.80 | 38,594 |
| Capitals Starting With C | 0 | - | 4.78 | 98,837 |
| North American Sports Cities | 0 | - | 4.83 | 173,039 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,528 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,864 |
| Name a City - European Countries | 0 | - | 4.90 | 66,054 |
| Cities by Former Name | 0 | - | 4.83 | 91,975 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,310 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,680 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,066 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,217 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,287 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,771 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,987 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,921 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,515 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,743 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,473 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,471 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,504 |
| Capital City Etymologies | 0 | - | 4.77 | 63,492 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,242 |
| Boundary Waters | 0 | - | 4.92 | 88,721 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,376 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,600 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,216 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,868 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,877 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,749 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,355 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,809 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,269 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,932 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,579 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,505 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,131 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,192 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,323 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,311 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,991 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,577 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,602 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 53,856 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,192 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,601 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,616 |
| Ancient City to Country | 0 | - | 4.70 | 108,295 |
| City-States | 0 | - | 4.53 | 37,380 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,472 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,786 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,259 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,953 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,204 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,078 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,079 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,262 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,355 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,179 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 236,496 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 491,076 |
| Official Cities in the UK | 0 | - | 4.89 | 285,886 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,211 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,381 |
| The Only Country ... | 0 | - | 4.91 | 81,776 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,808,386 |
| Landlocked Countries | 0 | - | 4.99 | 424,827 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 585,900 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,467 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,488 |
| Capitals by River | 0 | - | 4.55 | 48,381 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,957 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,880 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,322 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,855 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,879 |
| 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 | 99,424 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,775 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,437 |
| Musical Acts by City #2 | 0 | - | 4.02 | 11,007 |
| Cities by Airports | 0 | - | 4.47 | 103,927 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,663 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,887 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,540 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,904 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,356 |
| Cities Chain #2 | 0 | - | 4.42 | 56,502 |
| Cities Chain #1 | 0 | - | 4.61 | 66,792 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,528 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,157 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,828 |
| Cities by Initials | 0 | - | 4.12 | 24,627 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,338 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,816 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,771 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,966 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,107 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,247 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,441 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,465 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,289 |
