| World Capitals Quiz | 0 | - | 5.00 | 5,095,659 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,595,567 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,984 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,902 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,799 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,986 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,920 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,793 |
| Countries by Capital City | 0 | - | 5.00 | 69,076 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,645 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,054 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,083 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,628 |
| Moved Capital Cities | 0 | - | 4.96 | 74,522 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,275 |
| North American Sports Cities | 0 | - | 4.83 | 172,940 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,493 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,789 |
| Name a City - European Countries | 0 | - | 4.90 | 65,944 |
| Cities by Former Name | 0 | - | 4.83 | 91,897 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,045 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,082 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,598 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,876 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,622 |
| World Capitals by Map | 0 | - | 5.00 | 288,570 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,673 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,269 |
| Random Country to Capital | 0 | - | 4.98 | 925,455 |
| Capitals Starting With H | 0 | - | 4.91 | 92,916 |
| Capitals Starting With K | 0 | - | 4.88 | 83,970 |
| Capitals Starting With L | 0 | - | 4.81 | 88,425 |
| Capitals Starting With M | 0 | - | 4.93 | 108,398 |
| Capitals Starting With P | 0 | - | 4.88 | 78,540 |
| Capitals Starting With R | 0 | - | 4.87 | 82,137 |
| Capitals Starting With S | 0 | - | 4.90 | 86,131 |
| Capitals Starting With T | 0 | - | 4.85 | 76,467 |
| Capitals Starting With W | 0 | - | 4.87 | 91,490 |
| Capitals Starting With A | 0 | - | 4.97 | 128,556 |
| Capitals Starting With B | 0 | - | 4.89 | 118,951 |
| Capitals Starting With D | 0 | - | 4.93 | 96,817 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,651 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,698 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,250 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,710 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,039 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,789 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,488 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,414 |
| Former Capitals | 0 | - | 4.88 | 71,605 |
| Europe Capital to Country | 0 | - | 4.99 | 251,563 |
| Asia Capital to Country | 0 | - | 4.96 | 127,186 |
| Capital Cities Chain | 0 | - | 4.84 | 83,182 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,650 |
| European Capitals by Map | 0 | - | 4.99 | 141,402 |
| African Capitals by Map | 0 | - | 4.99 | 141,414 |
| Coldest World Capitals | 0 | - | 4.95 | 134,062 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,597 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,634 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,977 |
| European Coastal Capitals | 0 | - | 4.95 | 91,085 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,070 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,751 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,287 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,055 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,960 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,358 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,295 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,623 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,031 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,209 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,629 |
| South America Capitals Quiz | 0 | - | 5.00 | 483,874 |
| Official Cities in the UK | 0 | - | 4.89 | 285,456 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,149 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,857 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,696 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,458 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,979 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,398 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,830 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,519 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,245 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,801 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,086 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,461 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,373 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,771 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,789 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,641 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,438 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,304 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,280 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,576 |
| The Only Country ... | 0 | - | 4.91 | 81,659 |
| Capitals of the Stans | 0 | - | 4.95 | 27,057 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,542 |
| Ancient City to Country | 0 | - | 4.70 | 108,247 |
| City-States | 0 | - | 4.53 | 37,363 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,439 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,699 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,770 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,378 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,596 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,235 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,317 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,187 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,448 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,577 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,272 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,037 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,753 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,458 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,388 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,852 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,344 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,255 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,111 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,714 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,437 |
| Boundary Waters | 0 | - | 4.92 | 88,680 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,342 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,497 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,076 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,802 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,965 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,565 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,588 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,387 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.37 | 53,510 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,663 |
| Cities by Airports | 0 | - | 4.47 | 103,761 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,183 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,277 |
| Cities Chain #2 | 0 | - | 4.42 | 56,475 |
| Cities Chain #1 | 0 | - | 4.61 | 66,760 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,595 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 73,307 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,064 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,726 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,311 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,190 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,467 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 41,034 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,230 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,245 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,234 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,148 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,110 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,453 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,714 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,948 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,116 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,275 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,219 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,859 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,765 |
| Random European Capital to Country | 0 | - | 4.98 | 191,833 |
| Random European Country to Capital | 0 | - | 4.93 | 165,664 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,875 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,260 |
| Random African Capital to Country | 0 | - | 4.97 | 101,143 |
| Random African Country to Capital | 0 | - | 4.94 | 71,611 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,478 |
| Capitals Starting With N | 0 | - | 4.80 | 51,493 |
| Capitals Starting With V | 0 | - | 4.79 | 38,419 |
| Capitals Starting With C | 0 | - | 4.78 | 98,463 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,486 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,250 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,984 |
| Which City in Europe? | 0 | - | 4.83 | 107,758 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,742,413 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,466 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,588 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,654 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,428 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 51,186 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,499 |
| Cities in European History #1 | 0 | - | 4.63 | 134,432 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,836 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,528 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,889 |
| Cities with the Most Opera Performances | 0 | - | 4.64 | 41,689 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,423 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,851 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,934 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,145 |
| Most Guessed World Cities | 0 | - | 4.70 | 100,495 |
| Most Guessed Non-Capital Cities | 0 | - | 4.42 | 53,559 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,188 |
| Winter Olympics Hosts | 0 | - | 4.41 | 87,644 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,329 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,946 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,440 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,324 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,319 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,689 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,976 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,368 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,463 |
