| Capital Cities by Body of Water | 0 | - | 4.85 | 57,734 |
| World Capitals Quiz | 0 | - | 5.00 | 5,084,494 |
| Capitals by River | 0 | - | 4.55 | 48,345 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,646 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 50,764 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,591,032 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,179 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,556 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,561 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,701 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,515 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,348 |
| Countries by Capital City | 0 | - | 5.00 | 68,663 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,390 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,828 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,424 |
| Moved Capital Cities | 0 | - | 4.96 | 74,359 |
| African Great Lakes | 0 | - | 4.82 | 66,521 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,082 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,825 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,823 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,492 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,763 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,412 |
| World Capitals by Map | 0 | - | 5.00 | 287,498 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,485 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,907 |
| Random Country to Capital | 0 | - | 4.98 | 922,887 |
| Capitals Starting With H | 0 | - | 4.91 | 92,732 |
| Capitals Starting With K | 0 | - | 4.88 | 83,777 |
| Capitals Starting With L | 0 | - | 4.81 | 88,256 |
| Capitals Starting With M | 0 | - | 4.93 | 108,084 |
| Capitals Starting With P | 0 | - | 4.88 | 78,354 |
| Capitals Starting With R | 0 | - | 4.87 | 81,987 |
| Capitals Starting With S | 0 | - | 4.90 | 85,960 |
| Capitals Starting With T | 0 | - | 4.84 | 76,316 |
| Capitals Starting With W | 0 | - | 4.87 | 91,402 |
| Capitals Starting With A | 0 | - | 4.97 | 128,305 |
| Capitals Starting With B | 0 | - | 4.89 | 118,721 |
| Capitals Starting With D | 0 | - | 4.93 | 96,638 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,191 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,522 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,471 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,525 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,553 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,822 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,239 |
| Former Capitals | 0 | - | 4.88 | 71,524 |
| Europe Capital to Country | 0 | - | 4.99 | 250,903 |
| Asia Capital to Country | 0 | - | 4.96 | 126,878 |
| Capital Cities Chain | 0 | - | 4.84 | 82,966 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,212 |
| European Capitals by Map | 0 | - | 4.99 | 139,987 |
| African Capitals by Map | 0 | - | 4.99 | 134,180 |
| Coldest World Capitals | 0 | - | 4.95 | 133,662 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,645 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,304 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,643 |
| European Coastal Capitals | 0 | - | 4.95 | 90,827 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,679 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,895 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,565 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,928 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,780 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,122 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,619 |
| Rivers of the United States | 0 | - | 4.93 | 66,346 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,614 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,607 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,720 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,214 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,532 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,357 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,037 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,689 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,304 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,254 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,556 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,602 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,520 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,249 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,950 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,234 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,418 |
| Capitals of the Stans | 0 | - | 4.95 | 26,923 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,265 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,421 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,891 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,750 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,777 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,519 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,301 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,563 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,253 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,979 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,791 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,594 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,303 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,229 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,227 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,663 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,499 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,326 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,585 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,188 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,046 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,404 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,941 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,085 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,941 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,378 |
| Capitals Starting With N | 0 | - | 4.80 | 51,331 |
| Capitals Starting With V | 0 | - | 4.79 | 38,296 |
| Capitals Starting With C | 0 | - | 4.78 | 98,213 |
| South China Sea Countries | 0 | - | 4.78 | 57,756 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,981 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,819 |
| North American Sports Cities | 0 | - | 4.83 | 172,660 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,401 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,570 |
| Name a City - European Countries | 0 | - | 4.90 | 65,630 |
| Cities by Former Name | 0 | - | 4.83 | 91,737 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,980 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,301 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,314 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,521 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,269 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,644 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,871 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,792 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,451 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,439 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,214 |
| Capital City Etymologies | 0 | - | 4.77 | 63,397 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,750 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,204 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,937 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,140 |
| African Physical Geography | 0 | - | 4.51 | 31,744 |
| Asian Physical Geography | 0 | - | 4.61 | 35,563 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,628 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,970 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,200 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,522 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,405 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,108 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,955 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,430 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 489,383 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 47,951 |
| Landforms by Country | 0 | - | 4.52 | 51,983 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,391 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,120 |
| Sea in the Answers | 0 | - | 4.08 | 49,030 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,027 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,264 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,497 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,952 |
| Official Cities in the UK | 0 | - | 4.89 | 284,535 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,176 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 48,976 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,685 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,004 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,047 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,207 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,324 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,394 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,301 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,029 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,786 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,763 |
| The Only Country ... | 0 | - | 4.91 | 81,420 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,666 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,268 |
| Geological Extremes | 0 | - | 4.34 | 40,061 |
| European Physical Geography | 0 | - | 4.26 | 33,542 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,796 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,291 |
| Ancient City to Country | 0 | - | 4.70 | 108,146 |
| City-States | 0 | - | 4.53 | 37,310 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,324 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,395 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,719 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,332 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,227 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,209 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,053 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,153 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,847 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,945 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,805 |
| Random European Capital to Country | 0 | - | 4.98 | 191,484 |
| Random European Country to Capital | 0 | - | 4.93 | 165,397 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,616 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,013 |
| Random African Capital to Country | 0 | - | 4.97 | 100,923 |
| Random African Country to Capital | 0 | - | 4.94 | 71,386 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,038 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,493 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,293 |
