| Capital Cities by Body of Water | 0 | - | 4.85 | 57,672 |
| World Capitals Quiz | 0 | - | 5.00 | 5,074,099 |
| Capitals by River | 0 | - | 4.55 | 48,317 |
| 100 Longest Rivers in Europe - with a Map | 0 | - | 4.94 | 65,457 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,514 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,444 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,253 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,405 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,499 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,230 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,003 |
| Countries by Capital City | 0 | - | 5.00 | 68,283 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,167 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,651 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,198 |
| Moved Capital Cities | 0 | - | 4.96 | 74,212 |
| African Great Lakes | 0 | - | 4.82 | 66,259 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,895 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,742 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,951 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,397 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,658 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,214 |
| World Capitals by Map | 0 | - | 5.00 | 286,476 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,319 |
| Random Capital to Country | 0 | - | 4.99 | 2,591,521 |
| Random Country to Capital | 0 | - | 4.98 | 920,652 |
| Capitals Starting With H | 0 | - | 4.91 | 92,553 |
| Capitals Starting With K | 0 | - | 4.88 | 83,516 |
| Capitals Starting With L | 0 | - | 4.81 | 88,087 |
| Capitals Starting With M | 0 | - | 4.93 | 107,794 |
| Capitals Starting With P | 0 | - | 4.88 | 78,207 |
| Capitals Starting With R | 0 | - | 4.87 | 81,829 |
| Capitals Starting With S | 0 | - | 4.90 | 85,787 |
| Capitals Starting With T | 0 | - | 4.85 | 76,175 |
| Capitals Starting With W | 0 | - | 4.87 | 91,307 |
| Capitals Starting With A | 0 | - | 4.97 | 127,920 |
| Capitals Starting With B | 0 | - | 4.89 | 118,480 |
| Capitals Starting With D | 0 | - | 4.93 | 96,442 |
| Countries That Touch the Adriatic Sea | 0 | - | 4.96 | 71,113 |
| Top 10 European Countries by Coastline | 0 | - | 4.87 | 138,391 |
| Top 10 American Countries by Coastline | 0 | - | 4.96 | 88,411 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.92 | 96,456 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,460 |
| African Great Lake Countries with an Empty Map | 0 | - | 4.97 | 60,754 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,177 |
| Former Capitals | 0 | - | 4.88 | 71,458 |
| Europe Capital to Country | 0 | - | 4.99 | 250,328 |
| Asia Capital to Country | 0 | - | 4.96 | 126,668 |
| Capital Cities Chain | 0 | - | 4.84 | 82,747 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,888 |
| European Capitals by Map | 0 | - | 4.99 | 139,185 |
| African Capitals by Map | 0 | - | 4.99 | 133,798 |
| Coldest World Capitals | 0 | - | 4.95 | 133,566 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,411 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,080 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,429 |
| European Coastal Capitals | 0 | - | 4.95 | 90,609 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,589 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,032 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,075 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,834 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,571 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,902 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,465 |
| Rivers of the United States | 0 | - | 4.93 | 66,207 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,530 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,822 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,488 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,042 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,276 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,160 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,843 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,415 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,179 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,162 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,380 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,444 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,406 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,068 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,602 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,186 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,295 |
| Capitals of the Stans | 0 | - | 4.95 | 26,846 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,107 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,042 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,617 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,395 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,512 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,342 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,163 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,540 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,241 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,917 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,492 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,524 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,888 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,008 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,078 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,498 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,136 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.80 | 53,256 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,136 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,152 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,000 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,345 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,832 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,999 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,715 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,291 |
| Capitals Starting With N | 0 | - | 4.80 | 51,200 |
| Capitals Starting With V | 0 | - | 4.79 | 38,185 |
| Capitals Starting With C | 0 | - | 4.79 | 97,936 |
| South China Sea Countries | 0 | - | 4.78 | 57,702 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.91 | 115,736 |
| Longest Rivers in the UK | 0 | - | 4.42 | 13,805 |
| North American Sports Cities | 0 | - | 4.83 | 172,389 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,318 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,398 |
| Name a City - European Countries | 0 | - | 4.90 | 65,391 |
| Cities by Former Name | 0 | - | 4.83 | 91,577 |
| Countries with Wild Tigers | 0 | - | 4.96 | 136,823 |
| Countries with Wild Penguins | 0 | - | 4.94 | 100,173 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.87 | 87,196 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,486 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,215 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,597 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,777 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,594 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,430 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,425 |
| World Capitals on an Empty Map | 0 | - | 4.69 | 54,064 |
| Capital City Etymologies | 0 | - | 4.77 | 63,306 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,725 |
| Top 10 Hottest European Capitals | 0 | - | 4.63 | 33,175 |
| Countries Closest to the Aegean Sea | 0 | - | 4.75 | 66,875 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.20 | 71,974 |
| African Physical Geography | 0 | - | 4.51 | 31,704 |
| Asian Physical Geography | 0 | - | 4.61 | 35,525 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,559 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,691 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,980 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,051 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,105 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,893 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,800 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,209 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 488,061 |
| Top 10 African Countries by Coastline | 0 | - | 4.27 | 47,928 |
| Landforms by Country | 0 | - | 4.52 | 51,971 |
| Countries with the Most Sheep | 0 | - | 4.92 | 103,264 |
| Bodies of Water around the Arabian Peninsula | 0 | - | 4.74 | 36,082 |
| Sea in the Answers | 0 | - | 4.10 | 48,938 |
| Countries With The Most Bird Species | 0 | - | 4.93 | 32,954 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,243 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,391 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,867 |
| Official Cities in the UK | 0 | - | 4.89 | 283,775 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,142 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,781 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,505 |
| One-Syllable World Capital Cities | 0 | - | 4.35 | 47,961 |
| Hottest Capital Cities | 0 | - | 4.41 | 31,032 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,180 |
| Capital Cities Nearest to Islands | 0 | - | 4.56 | 13,302 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,349 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,189 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,993 |
| World Capitals - One Minute Sprint | 0 | - | 4.21 | 235,247 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,648 |
| The Only Country ... | 0 | - | 4.91 | 81,053 |
| Countries that Catch the Most Fish | 0 | - | 4.90 | 112,506 |
| Countries with the Most Wolves | 0 | - | 4.92 | 108,081 |
| Geological Extremes | 0 | - | 4.34 | 40,027 |
| European Physical Geography | 0 | - | 4.26 | 33,510 |
| Countries With Two or More Bear Species | 0 | - | 4.90 | 22,764 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,972 |
| Ancient City to Country | 0 | - | 4.70 | 108,034 |
| City-States | 0 | - | 4.53 | 37,264 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,137 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,153 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,679 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,703 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,844 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,189 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,802 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,114 |
| Capitals A-Z #2 | 0 | - | 4.45 | 26,797 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,909 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,672 |
| Random European Capital to Country | 0 | - | 4.98 | 190,923 |
| Random European Country to Capital | 0 | - | 4.93 | 165,132 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,452 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,763 |
| Random African Capital to Country | 0 | - | 4.97 | 100,739 |
| Random African Country to Capital | 0 | - | 4.94 | 71,217 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 53,971 |
| World Capitals by a Single Clue #4 | 0 | - | 4.41 | 45,184 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,214 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,171 |
