| Capital Cities by Body of Water | 0 | - | 4.85 | 57,923 |
| World Capitals Quiz | 0 | - | 5.00 | 5,118,566 |
| Capitals by River | 0 | - | 4.55 | 48,414 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 66,102 |
| Nile River Basin Countries on a Map | 0 | - | 4.95 | 51,053 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,604,029 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,740 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,694 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,174 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,454 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,616 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,562 |
| Countries by Capital City | 0 | - | 5.00 | 69,796 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,270 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,445 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,054 |
| Moved Capital Cities | 0 | - | 4.96 | 74,780 |
| African Great Lakes | 0 | - | 4.82 | 67,223 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,652 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,690 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,615 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,014 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,077 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,041 |
| World Capitals by Map | 0 | - | 5.00 | 290,312 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 59,000 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,733 |
| Random Country to Capital | 0 | - | 4.98 | 931,201 |
| Capitals Starting With H | 0 | - | 4.91 | 93,516 |
| Capitals Starting With K | 0 | - | 4.89 | 84,576 |
| Capitals Starting With L | 0 | - | 4.81 | 96,184 |
| Capitals Starting With M | 0 | - | 4.94 | 109,483 |
| Capitals Starting With P | 0 | - | 4.88 | 79,198 |
| Capitals Starting With R | 0 | - | 4.89 | 82,659 |
| Capitals Starting With S | 0 | - | 4.90 | 86,759 |
| Capitals Starting With T | 0 | - | 4.86 | 77,005 |
| Capitals Starting With W | 0 | - | 4.87 | 91,835 |
| Capitals Starting With A | 0 | - | 4.97 | 129,380 |
| Capitals Starting With B | 0 | - | 4.89 | 119,741 |
| Capitals Starting With D | 0 | - | 4.94 | 97,374 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,425 |
| Top 10 European Countries by Coastline | 0 | - | 4.86 | 138,869 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,687 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,780 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,801 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 61,024 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,487 |
| Former Capitals | 0 | - | 4.88 | 71,754 |
| Europe Capital to Country | 0 | - | 4.99 | 252,775 |
| Asia Capital to Country | 0 | - | 4.96 | 127,775 |
| Capital Cities Chain | 0 | - | 4.84 | 83,613 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,425 |
| European Capitals by Map | 0 | - | 4.99 | 142,781 |
| African Capitals by Map | 0 | - | 4.99 | 142,763 |
| Coldest World Capitals | 0 | - | 4.95 | 134,383 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,200 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,217 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,471 |
| European Coastal Capitals | 0 | - | 4.95 | 91,580 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,309 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,578 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,937 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,275 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,314 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,805 |
| South America Capitals Quiz | 0 | - | 5.00 | 486,027 |
| Rivers of the United States | 0 | - | 4.93 | 66,851 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,981 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,925 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,420 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,776 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,428 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,856 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,551 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,637 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,723 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,607 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,124 |
| Flags to Capitals #1 | 0 | - | 4.96 | 63,298 |
| Flags to Capitals #2 | 0 | - | 4.95 | 45,211 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,763 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,274 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,347 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,877 |
| Capitals of the Stans | 0 | - | 4.95 | 27,271 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,885 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,647 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,211 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,135 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,649 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,075 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,743 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,608 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,303 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 59,269 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,850 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,973 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 82,311 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,872 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,707 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 76,228 |
| Name a World Capital A-Z | 0 | - | 5.00 | 177,452 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,524 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,661 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,303 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,232 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,517 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,396 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,482 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,634 |
| One Capital by Letter by Continent | 0 | - | 4.99 | 17,741 |
| Capitals Starting With N | 0 | - | 4.80 | 52,058 |
| Capitals Starting With V | 0 | - | 4.80 | 38,769 |
| Capitals Starting With C | 0 | - | 4.78 | 99,262 |
| South China Sea Countries | 0 | - | 4.78 | 57,906 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 116,674 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,856 |
| North American Sports Cities | 0 | - | 4.82 | 173,374 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,622 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,131 |
| Name a City - European Countries | 0 | - | 4.89 | 66,492 |
| Cities by Former Name | 0 | - | 4.83 | 92,233 |
| Countries with Wild Tigers | 0 | - | 4.96 | 137,828 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,949 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,859 |
| National Subdivisions by Capital | 0 | - | 4.37 | 105,705 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,428 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,773 |
| World Capitals Ending with O | 0 | - | 4.80 | 18,146 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,803 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,510 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,478 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,691 |
| Capital City Etymologies | 0 | - | 4.77 | 63,603 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,844 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,291 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 67,105 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 72,742 |
| African Physical Geography | 0 | - | 4.51 | 31,853 |
| Asian Physical Geography | 0 | - | 4.61 | 35,653 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,853 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,784 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,148 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 216,978 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,468 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,907 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,762 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,044 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 492,903 |
| Top 10 African Countries by Coastline | 0 | - | 4.29 | 48,015 |
| Landforms by Country | 0 | - | 4.52 | 52,034 |
| Countries with the Most Sheep | 0 | - | 4.93 | 103,817 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,248 |
| Sea in the Answers | 0 | - | 4.08 | 49,223 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 33,334 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,351 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,831 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,175 |
| Official Cities in the UK | 0 | - | 4.89 | 287,172 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,249 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,536 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,336 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 48,127 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,113 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,313 |
| Capital Cities Nearest to Islands | 0 | - | 4.57 | 13,383 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,561 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,669 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,269 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 237,165 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,161 |
| The Only Country ... | 0 | - | 4.91 | 82,155 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 113,318 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,800 |
| Geological Extremes | 0 | - | 4.34 | 40,132 |
| European Physical Geography | 0 | - | 4.26 | 33,629 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,957 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,878 |
| Ancient City to Country | 0 | - | 4.72 | 108,431 |
| City-States | 0 | - | 4.53 | 37,447 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,575 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,216 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,872 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,144 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,437 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,318 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,587 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,370 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,996 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,068 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,203 |
| Random European Capital to Country | 0 | - | 4.98 | 192,475 |
| Random European Country to Capital | 0 | - | 4.93 | 166,150 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,162 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,641 |
| Random African Capital to Country | 0 | - | 4.97 | 101,561 |
| Random African Country to Capital | 0 | - | 4.94 | 71,945 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,167 |
| World Capitals by a Single Clue #4 | 0 | - | 4.42 | 45,680 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,430 |
