| World Capitals Quiz | 0 | - | 5.00 | 5,084,232 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,947 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,577 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,554 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,560 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,697 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,510 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,334 |
| Countries by Capital City | 0 | - | 5.00 | 68,651 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,383 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,826 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,421 |
| Moved Capital Cities | 0 | - | 4.96 | 74,353 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,736 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,158 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,548 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,078 |
| North American Sports Cities | 0 | - | 4.83 | 172,653 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,400 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,558 |
| Name a City - European Countries | 0 | - | 4.90 | 65,624 |
| Cities by Former Name | 0 | - | 4.83 | 91,730 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,753 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,801 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,487 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,761 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,408 |
| World Capitals by Map | 0 | - | 5.00 | 287,480 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,479 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,787 |
| Random Country to Capital | 0 | - | 4.98 | 922,857 |
| Capitals Starting With H | 0 | - | 4.91 | 92,729 |
| Capitals Starting With K | 0 | - | 4.88 | 83,774 |
| Capitals Starting With L | 0 | - | 4.81 | 88,255 |
| Capitals Starting With M | 0 | - | 4.93 | 108,077 |
| Capitals Starting With P | 0 | - | 4.88 | 78,351 |
| Capitals Starting With R | 0 | - | 4.87 | 81,983 |
| Capitals Starting With S | 0 | - | 4.90 | 85,957 |
| Capitals Starting With T | 0 | - | 4.84 | 76,312 |
| Capitals Starting With W | 0 | - | 4.86 | 91,400 |
| Capitals Starting With A | 0 | - | 4.97 | 128,299 |
| Capitals Starting With B | 0 | - | 4.89 | 118,719 |
| Capitals Starting With D | 0 | - | 4.93 | 96,635 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,939 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,084 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,935 |
| Which City in Europe? | 0 | - | 4.83 | 107,569 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,263 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,494 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,952 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,173 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,628 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,963 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,196 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,508 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,396 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,102 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,949 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,425 |
| Former Capitals | 0 | - | 4.88 | 71,521 |
| Europe Capital to Country | 0 | - | 4.99 | 250,889 |
| Asia Capital to Country | 0 | - | 4.96 | 126,876 |
| Capital Cities Chain | 0 | - | 4.83 | 82,958 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,208 |
| European Capitals by Map | 0 | - | 4.99 | 139,982 |
| African Capitals by Map | 0 | - | 4.99 | 134,175 |
| Coldest World Capitals | 0 | - | 4.95 | 133,657 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,641 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,298 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,638 |
| European Coastal Capitals | 0 | - | 4.95 | 90,823 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,674 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,873 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,563 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,926 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,778 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,119 |
| Country Nicknames | 0 | - | 3.95 | 97,977 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,330,765 |
| Random European City to Country | 0 | - | 4.69 | 117,899 |
| Random Asian City to Country | 0 | - | 4.56 | 44,561 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,241 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,416 |
| Which City in Canada? | 0 | - | 4.83 | 57,146 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,166 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,274 |
| Ancient City to Country | 0 | - | 4.70 | 108,145 |
| Official Cities in the UK | 0 | - | 4.89 | 284,522 |
| City-States | 0 | - | 4.53 | 37,308 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,310 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,719 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,976 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,209 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,153 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,562 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,613 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,252 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,978 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,598 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,593 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,715 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,213 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,530 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,351 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,037 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,734 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,687 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,301 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,297 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,223 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,226 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,299 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,252 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,554 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,598 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,520 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,246 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,932 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,757 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,233 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,414 |
| The Only Country ... | 0 | - | 4.91 | 81,411 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,556 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,596 |
| Boundary Waters | 0 | - | 4.92 | 88,581 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,261 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,286 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,624 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,004 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,631 |
| Unusual U.S. City Names | 0 | - | 4.52 | 27,879 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,547 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,547 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.38 | 47,706 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,163 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,584 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,390 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,315 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,214 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,039 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,253 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,415 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,886 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,768 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,514 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,300 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,244 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 131,173 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,656 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 262,065 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,227 |
| Name a Valid African Country | 0 | - | 4.98 | 154,366 |
| Resort Towns by Country | 0 | - | 4.30 | 40,037 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,307 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,436 |
| Cities by Airports | 0 | - | 4.49 | 99,856 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,969 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,141 |
| Cities Chain #2 | 0 | - | 4.42 | 56,432 |
| Cities Chain #1 | 0 | - | 4.61 | 66,684 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,778 |
| Random U.S. City to State | 0 | - | 4.45 | 76,550 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.42 | 35,249 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,695 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,188 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,188 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,398 |
| Capitals Starting With N | 0 | - | 4.80 | 51,329 |
| Capitals Starting With V | 0 | - | 4.79 | 38,295 |
| Capitals Starting With C | 0 | - | 4.78 | 98,206 |
| European Cities by Clue | 0 | - | 4.70 | 89,094 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,597,058 |
| Landlocked Countries | 0 | - | 4.99 | 422,151 |
| Countries as U.S. First Names | 0 | - | 4.31 | 78,135 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 490,466 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 713,914 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,639 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,714 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,503 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,868 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,692,930 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,129 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,926 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,393 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,520 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,267 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,644 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,870 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,782 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,593 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,439 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,801 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,472 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,750 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,658 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,492 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,941 |
| Random European Capital to Country | 0 | - | 4.98 | 191,465 |
| Random European Country to Capital | 0 | - | 4.93 | 165,396 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,612 |
