| World Capitals Quiz | 0 | - | 5.00 | 5,081,016 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,566 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,460 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,510 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,626 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,422 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,232 |
| Countries by Capital City | 0 | - | 5.00 | 68,542 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,310 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,769 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,343 |
| Moved Capital Cities | 0 | - | 4.96 | 74,298 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,618 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,924 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,515 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,013 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,454 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,730 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,339 |
| World Capitals by Map | 0 | - | 5.00 | 287,223 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,423 |
| Capitals Starting With H | 0 | - | 4.91 | 92,678 |
| Capitals Starting With K | 0 | - | 4.88 | 83,725 |
| Capitals Starting With L | 0 | - | 4.81 | 88,207 |
| Capitals Starting With M | 0 | - | 4.93 | 107,998 |
| Capitals Starting With P | 0 | - | 4.88 | 78,312 |
| Capitals Starting With R | 0 | - | 4.87 | 81,948 |
| Capitals Starting With S | 0 | - | 4.90 | 85,919 |
| Capitals Starting With T | 0 | - | 4.85 | 76,271 |
| Capitals Starting With W | 0 | - | 4.87 | 91,374 |
| Capitals Starting With A | 0 | - | 4.97 | 128,224 |
| Capitals Starting With B | 0 | - | 4.89 | 118,660 |
| Capitals Starting With D | 0 | - | 4.93 | 96,585 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,104 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,215 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,640 |
| Random Country to Capital | 0 | - | 4.98 | 922,189 |
| Former Capitals | 0 | - | 4.88 | 71,505 |
| Europe Capital to Country | 0 | - | 4.99 | 250,710 |
| Asia Capital to Country | 0 | - | 4.96 | 126,790 |
| Capital Cities Chain | 0 | - | 4.83 | 82,887 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,108 |
| European Capitals by Map | 0 | - | 4.99 | 139,769 |
| African Capitals by Map | 0 | - | 4.99 | 134,075 |
| Coldest World Capitals | 0 | - | 4.95 | 133,629 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,583 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,236 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,569 |
| European Coastal Capitals | 0 | - | 4.95 | 90,749 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,647 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,572 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,386 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,894 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,708 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,053 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,556 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,249 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,968 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,143 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,147 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,184 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,288 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,218 |
| Capitals of the Stans | 0 | - | 4.95 | 26,894 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,377 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,580 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,201 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,375 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,636 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,161 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,458 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,966 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,712 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,591 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,253 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,230 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,516 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,552 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,487 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,183 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,818 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,370 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,206 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,509 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,245 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,172 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,629 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,843 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,368 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,434 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,304 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,740 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,805 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,610 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,685 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,462 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,258 |
| Capitals Starting With N | 0 | - | 4.80 | 51,297 |
| Capitals Starting With V | 0 | - | 4.79 | 38,268 |
| Capitals Starting With C | 0 | - | 4.79 | 98,126 |
| North American Sports Cities | 0 | - | 4.83 | 172,572 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,374 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,500 |
| Name a City - European Countries | 0 | - | 4.90 | 65,546 |
| Cities by Former Name | 0 | - | 4.83 | 91,663 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,254 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,450 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,924 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,167 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,680 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,570 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,615 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,373 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,339 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,347 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,733 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,445 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,155 |
| Capital City Etymologies | 0 | - | 4.77 | 63,367 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,198 |
| Boundary Waters | 0 | - | 4.92 | 88,538 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,227 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,218 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,643 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,561 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,527 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,600 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,885 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,116 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,383 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,316 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,030 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,904 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,028 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,906 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,056 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,874 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,852 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,541 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,533 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,443 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,160 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,578 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,075 |
| Ancient City to Country | 0 | - | 4.70 | 108,110 |
| City-States | 0 | - | 4.53 | 37,293 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,185 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,706 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,202 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,613 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,141 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,989 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,039 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,196 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,319 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,021 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,539 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 489,082 |
| Official Cities in the UK | 0 | - | 4.89 | 284,305 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,921 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,133 |
| The Only Country ... | 0 | - | 4.91 | 81,322 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,551,820 |
| Landlocked Countries | 0 | - | 4.99 | 421,568 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,727 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,375 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,272 |
| Capitals by River | 0 | - | 4.55 | 48,337 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,718 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,687 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,983 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,353 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,359 |
| Cities with the Same Name | 0 | - | 3.94 | 36,691 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,815 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,287 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,365 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,406 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,990 |
| Cities by Airports | 0 | - | 4.49 | 88,799 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,630 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,646 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,490 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,850 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,091 |
| Cities Chain #2 | 0 | - | 4.42 | 56,419 |
| Cities Chain #1 | 0 | - | 4.61 | 66,669 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,637 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,124 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,315 |
| Cities by Initials | 0 | - | 4.12 | 24,583 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,233 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,928 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,109 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,925 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,657 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,180 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,945 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,372 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,152 |
