| World Capitals Quiz | 0 | - | 5.00 | 5,064,288 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,583,085 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,884 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,984 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,257 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,292 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,994 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,663 |
| Countries by Capital City | 0 | - | 5.00 | 67,948 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,986 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,481 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,985 |
| Moved Capital Cities | 0 | - | 4.96 | 74,074 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,422 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,708 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,744 |
| North American Sports Cities | 0 | - | 4.83 | 171,775 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,259 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,263 |
| Name a City - European Countries | 0 | - | 4.90 | 65,218 |
| Cities by Former Name | 0 | - | 4.83 | 91,443 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,051 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,217 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,336 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,587 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,931 |
| World Capitals by Map | 0 | - | 5.00 | 285,675 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,174 |
| Random Capital to Country | 0 | - | 4.99 | 2,588,310 |
| Random Country to Capital | 0 | - | 4.98 | 918,637 |
| Capitals Starting With H | 0 | - | 4.91 | 92,259 |
| Capitals Starting With K | 0 | - | 4.87 | 82,017 |
| Capitals Starting With L | 0 | - | 4.81 | 87,748 |
| Capitals Starting With M | 0 | - | 4.93 | 107,354 |
| Capitals Starting With P | 0 | - | 4.88 | 77,918 |
| Capitals Starting With R | 0 | - | 4.87 | 81,581 |
| Capitals Starting With S | 0 | - | 4.90 | 85,522 |
| Capitals Starting With T | 0 | - | 4.85 | 75,943 |
| Capitals Starting With W | 0 | - | 4.87 | 91,128 |
| Capitals Starting With A | 0 | - | 4.97 | 127,546 |
| Capitals Starting With B | 0 | - | 4.89 | 118,158 |
| Capitals Starting With D | 0 | - | 4.93 | 96,161 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,226 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,299 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,817 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,120 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,515 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,448 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,802 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,647 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,853 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,716 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,703 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,998 |
| Former Capitals | 0 | - | 4.88 | 71,385 |
| Europe Capital to Country | 0 | - | 4.99 | 249,627 |
| Asia Capital to Country | 0 | - | 4.96 | 126,496 |
| Capital Cities Chain | 0 | - | 4.83 | 82,522 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,620 |
| European Capitals by Map | 0 | - | 4.99 | 138,644 |
| African Capitals by Map | 0 | - | 4.99 | 133,404 |
| Coldest World Capitals | 0 | - | 4.95 | 133,475 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,102 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,907 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,260 |
| European Coastal Capitals | 0 | - | 4.95 | 90,407 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,510 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,275 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,608 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,751 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,414 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,703 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 220,852 |
| Ancient City to Country | 0 | - | 4.70 | 107,943 |
| Official Cities in the UK | 0 | - | 4.89 | 283,145 |
| City-States | 0 | - | 4.53 | 37,229 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,083 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,623 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,640 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,163 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,376 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,086 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,526 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,463 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,217 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,858 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,533 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,170 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,265 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,911 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,027 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,638 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,721 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,607 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,208 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 80,520 |
| Top Five Capitals By Category #2 | 0 | - | 4.77 | 66,765 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 80,959 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,087 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,081 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,121 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,315 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,301 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,947 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,309 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,155 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,191 |
| The Only Country ... | 0 | - | 4.91 | 80,810 |
| Capitals of the Stans | 0 | - | 4.95 | 26,762 |
| Boundary Waters | 0 | - | 4.92 | 88,382 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,088 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,921 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,195 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,350 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,751 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,509 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,460 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.36 | 44,663 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,137 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,569 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,962 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,091 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,537 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,570 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,916 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 132,764 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,355 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,112 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,310 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,176 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,066 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,346 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,172 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 119,975 |
| Cities by Airports | 0 | - | 4.49 | 88,649 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 66,815 |
| Cities Chain #2 | 0 | - | 4.42 | 56,326 |
| Cities Chain #1 | 0 | - | 4.61 | 66,582 |
| World's Biggest Financial Centers | 0 | - | 4.55 | 71,281 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,174 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,510 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,126 |
| Cities By Wikipedia Word Clouds A-Z | 0 | - | 4.78 | 33,049 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,118 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,322 |
| Capitals Starting With N | 0 | - | 4.80 | 50,972 |
| Capitals Starting With V | 0 | - | 4.79 | 38,018 |
| Capitals Starting With C | 0 | - | 4.79 | 97,584 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,341,193 |
| Landlocked Countries | 0 | - | 4.99 | 419,057 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 568,290 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,609 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,493 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,421 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,764 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,863 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,091 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,893 |
| City Where It Happened #1 | 0 | - | 4.24 | 106,292 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,290 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,170 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,563 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,703 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,239 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,450 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,418 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,564 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,711 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,346 |
| Name a World Capital A-Z | 0 | - | 5.00 | 175,883 |
| Random European Capital to Country | 0 | - | 4.98 | 190,665 |
| Random European Country to Capital | 0 | - | 4.93 | 164,721 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,297 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,614 |
| Random African Capital to Country | 0 | - | 4.97 | 100,510 |
| Random African Country to Capital | 0 | - | 4.94 | 71,102 |
| One Capital by Letter by Continent | 0 | - | 4.98 | 17,237 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,841 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,757,429 |
| Single Vowel Capitals | 0 | - | 4.80 | 14,428 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,503 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,631 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,687 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,920 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,085 |
| Tall Building Cities - United States | 0 | - | 4.48 | 68,368 |
| Cities with the Same Name | 0 | - | 3.94 | 36,670 |
| U.S. Cities with the Highest Elevation | 0 | - | 4.26 | 27,799 |
| Musical Acts by City #1 | 0 | - | 4.05 | 31,390 |
| Musical Acts by City #2 | 0 | - | 4.02 | 10,980 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 67,973 |
| Word Puzzles - World Cities #1 | 0 | - | 4.50 | 50,905 |
| Cities With the Most Billionaires | 0 | - | 4.77 | 102,330 |
| Cities in European History #1 | 0 | - | 4.63 | 133,824 |
| Cities with the Most Opera Performances | 0 | - | 4.63 | 41,332 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,312 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,708 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,869 |
| Most Guessed World Cities | 0 | - | 4.70 | 99,897 |
| Most Guessed Non-Capital Cities | 0 | - | 4.42 | 53,339 |
