| World Capitals Quiz | 0 | - | 5.00 | 5,030,138 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,610 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,909 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,631 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,587 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,579 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,391 |
| Countries by Capital City | 0 | - | 5.00 | 66,595 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,306 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,890 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,398 |
| Moved Capital Cities | 0 | - | 4.96 | 73,569 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,288 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,094 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,678 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,229 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,901 |
| World Capitals by Map | 0 | - | 5.00 | 283,126 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,647 |
| Capitals Starting With H | 0 | - | 4.90 | 90,755 |
| Capitals Starting With K | 0 | - | 4.85 | 75,665 |
| Capitals Starting With L | 0 | - | 4.81 | 86,810 |
| Capitals Starting With M | 0 | - | 4.93 | 106,021 |
| Capitals Starting With P | 0 | - | 4.88 | 77,169 |
| Capitals Starting With R | 0 | - | 4.87 | 80,955 |
| Capitals Starting With S | 0 | - | 4.89 | 84,788 |
| Capitals Starting With T | 0 | - | 4.84 | 75,280 |
| Capitals Starting With W | 0 | - | 4.89 | 90,599 |
| Capitals Starting With A | 0 | - | 4.97 | 126,525 |
| Capitals Starting With B | 0 | - | 4.89 | 117,264 |
| Capitals Starting With D | 0 | - | 4.93 | 95,362 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,028 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,691 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,621 |
| Random Country to Capital | 0 | - | 4.98 | 911,413 |
| Former Capitals | 0 | - | 4.88 | 71,130 |
| Europe Capital to Country | 0 | - | 4.99 | 247,574 |
| Asia Capital to Country | 0 | - | 4.96 | 125,723 |
| Capital Cities Chain | 0 | - | 4.84 | 81,898 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,418 |
| European Capitals by Map | 0 | - | 4.99 | 136,205 |
| African Capitals by Map | 0 | - | 4.99 | 132,121 |
| Coldest World Capitals | 0 | - | 4.95 | 133,035 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,109 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,157 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,585 |
| European Coastal Capitals | 0 | - | 4.95 | 89,720 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,174 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,714 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,734 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,411 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 76,776 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 89,973 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,464 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,153 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,673 |
| Top Five Capitals By Category #1 | 0 | - | 4.72 | 78,304 |
| Top Five Capitals By Category #2 | 0 | - | 4.64 | 57,621 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,564 |
| World Capitals with a Unique First Letter | 0 | - | 4.77 | 63,254 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,024 |
| Capitals of the Stans | 0 | - | 4.95 | 26,399 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,723 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,095 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,146 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,788 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,641 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,395 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,087 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,162 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,285 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,370 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,689 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,691 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,422 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,864 |
| Flags to Capitals #2 | 0 | - | 4.95 | 43,905 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,460 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,253 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,753 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,382 |
| National Subdivisions by Capital | 0 | - | 4.36 | 98,933 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 74,989 |
| Nearest Capital City #2 | 0 | - | 4.56 | 39,012 |
| Capitals by First and Last Letter | 0 | - | 4.40 | 66,423 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,411 |
| World Capitals with the Most International Tourists | 0 | - | 4.49 | 53,222 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,371 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,487 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,618 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,144 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,804 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,506 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,643 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,656 |
| Capitals Starting With N | 0 | - | 4.80 | 50,307 |
| Capitals Starting With V | 0 | - | 4.79 | 37,571 |
| Capitals Starting With C | 0 | - | 4.74 | 96,505 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,356 |
| North American Sports Cities | 0 | - | 4.83 | 170,865 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,909 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,708 |
| Name a City - European Countries | 0 | - | 4.92 | 64,362 |
| Cities by Former Name | 0 | - | 4.84 | 90,948 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,142 |
| Southernmost Major Cities | 0 | - | 4.44 | 51,089 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.47 | 72,569 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,021 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,422 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,187 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 74,892 |
| Name a World Capital A-Z | 0 | - | 5.00 | 174,937 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 16,987 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,136 |
| Solve the Secret Capital City | 0 | - | 4.80 | 162,627 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,333 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 53,454 |
| Capital City Etymologies | 0 | - | 4.77 | 63,001 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,079 |
| Boundary Waters | 0 | - | 4.92 | 88,028 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,805 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,250 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,252 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,823 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,718 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,299 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,327 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,173 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,073 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,778 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 129,654 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,315 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,794 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,258 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,612 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,805 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,564 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,409 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,326 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.35 | 44,535 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,092 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,551 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 219,992 |
| Ancient City to Country | 0 | - | 4.70 | 107,596 |
| City-States | 0 | - | 4.53 | 37,092 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 53,775 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,477 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,044 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,782 |
| City Where It Happened #2 | 0 | - | 4.42 | 52,957 |
| One-Syllable World Capital Cities | 0 | - | 4.37 | 47,806 |
| Hottest Capital Cities | 0 | - | 4.41 | 30,954 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,029 |
| Capital Cities Nearest to Islands | 0 | - | 4.55 | 13,246 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,807 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 233,141 |
| Word Scramble - National Capitals | 0 | - | 4.20 | 484,318 |
| Official Cities in the UK | 0 | - | 4.89 | 280,454 |
| Divided World City Name Puzzle #1 | 0 | - | 4.88 | 48,085 |
| The Only Country ... | 0 | - | 4.91 | 79,840 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,902,516 |
| Landlocked Countries | 0 | - | 4.99 | 413,406 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 552,458 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,149 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,757 |
| Capitals by River | 0 | - | 4.55 | 48,231 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,232 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,148 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,977 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,581 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,926 |
| Cities with the Same Name | 0 | - | 3.94 | 36,629 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,762 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 98,963 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,195 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,351 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,938 |
| Cities by Airports | 0 | - | 4.49 | 87,785 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,537 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,119 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,354 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,713 |
| Largest World Cities With Five Letters | 0 | - | 4.52 | 66,416 |
| Cities Chain #2 | 0 | - | 4.42 | 56,164 |
| Cities Chain #1 | 0 | - | 4.61 | 66,338 |
| World's Biggest Financial Centers | 0 | - | 4.50 | 52,067 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,008 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,175 |
| Cities by Initials | 0 | - | 4.12 | 24,494 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,006 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,885 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,315 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,821 |
| Name Any Valid U.S. City | 0 | - | 4.51 | 40,112 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,011 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,717 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,126 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 32,802 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,647 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,492 |
