| World Capitals Quiz | 0 | - | 5.00 | 5,079,837 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,010 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,345 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,434 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,493 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,606 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,369 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,187 |
| Countries by Capital City | 0 | - | 5.00 | 68,495 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,278 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,751 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,322 |
| Moved Capital Cities | 0 | - | 4.96 | 74,285 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,566 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,832 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,508 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,984 |
| North American Sports Cities | 0 | - | 4.83 | 172,536 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,367 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,481 |
| Name a City - European Countries | 0 | - | 4.90 | 65,511 |
| Cities by Former Name | 0 | - | 4.83 | 91,647 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,817 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,040 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,444 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,716 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,318 |
| World Capitals by Map | 0 | - | 5.00 | 287,135 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,404 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,237 |
| Random Country to Capital | 0 | - | 4.98 | 921,811 |
| Capitals Starting With H | 0 | - | 4.91 | 92,663 |
| Capitals Starting With K | 0 | - | 4.88 | 83,694 |
| Capitals Starting With L | 0 | - | 4.81 | 88,192 |
| Capitals Starting With M | 0 | - | 4.93 | 107,972 |
| Capitals Starting With P | 0 | - | 4.88 | 78,298 |
| Capitals Starting With R | 0 | - | 4.87 | 81,934 |
| Capitals Starting With S | 0 | - | 4.90 | 85,898 |
| Capitals Starting With T | 0 | - | 4.85 | 76,248 |
| Capitals Starting With W | 0 | - | 4.87 | 91,364 |
| Capitals Starting With A | 0 | - | 4.97 | 128,205 |
| Capitals Starting With B | 0 | - | 4.89 | 118,634 |
| Capitals Starting With D | 0 | - | 4.93 | 96,561 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,894 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,040 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,849 |
| Which City in Europe? | 0 | - | 4.83 | 107,494 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,251 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,439 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,917 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,165 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,593 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,846 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,089 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,330 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,276 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,005 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,891 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,320 |
| Former Capitals | 0 | - | 4.88 | 71,498 |
| Europe Capital to Country | 0 | - | 4.99 | 250,643 |
| Asia Capital to Country | 0 | - | 4.96 | 126,768 |
| Capital Cities Chain | 0 | - | 4.83 | 82,852 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,063 |
| European Capitals by Map | 0 | - | 4.99 | 139,666 |
| African Capitals by Map | 0 | - | 4.99 | 134,052 |
| Coldest World Capitals | 0 | - | 4.95 | 133,614 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,560 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,210 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,545 |
| European Coastal Capitals | 0 | - | 4.95 | 90,724 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,635 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,500 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,310 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,885 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,684 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,025 |
| Country Nicknames | 0 | - | 3.95 | 97,959 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,917 |
| Random European City to Country | 0 | - | 4.69 | 117,796 |
| Random Asian City to Country | 0 | - | 4.56 | 44,554 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,167 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,359 |
| Which City in Canada? | 0 | - | 4.83 | 57,115 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,068 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,051 |
| Ancient City to Country | 0 | - | 4.70 | 108,099 |
| Official Cities in the UK | 0 | - | 4.89 | 284,226 |
| City-States | 0 | - | 4.53 | 37,289 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,176 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,700 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,894 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,201 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,135 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,553 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,572 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,246 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,959 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,068 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,268 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,589 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,136 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,429 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,271 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,940 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,706 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,562 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,258 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,097 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,121 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,166 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,242 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,216 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,488 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,537 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,478 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,150 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,772 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,700 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,211 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,355 |
| The Only Country ... | 0 | - | 4.91 | 81,292 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,431 |
| U.S. State Nicknames | 0 | - | 4.47 | 50,565 |
| Boundary Waters | 0 | - | 4.92 | 88,520 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,218 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,199 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,541 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,964 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,589 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,838 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,538 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,530 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 47,291 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,157 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,577 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,288 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,762 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,052 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,908 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,192 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,245 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,763 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,653 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,440 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,240 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,131 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,831 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,742 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,603 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,138 |
| Name a Valid African Country | 0 | - | 4.98 | 154,237 |
| Resort Towns by Country | 0 | - | 4.30 | 40,026 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,277 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,332 |
| Cities by Airports | 0 | - | 4.49 | 88,785 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,956 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,082 |
| Cities Chain #2 | 0 | - | 4.42 | 56,414 |
| Cities Chain #1 | 0 | - | 4.61 | 66,659 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,583 |
| Random U.S. City to State | 0 | - | 4.45 | 76,379 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,227 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,646 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,175 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,168 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,363 |
| Capitals Starting With N | 0 | - | 4.80 | 51,284 |
| Capitals Starting With V | 0 | - | 4.79 | 38,257 |
| Capitals Starting With C | 0 | - | 4.79 | 98,097 |
| European Cities by Clue | 0 | - | 4.70 | 89,082 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,535,425 |
| Landlocked Countries | 0 | - | 4.99 | 421,391 |
| Countries as U.S. First Names | 0 | - | 4.31 | 77,977 |
| U.S. Baby Boy Names by Decade | 0 | - | 4.55 | 489,925 |
| U.S. Baby Girl Names by Decade | 0 | - | 4.42 | 713,338 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,628 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,640 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,461 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,803 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,492 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,119 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,922 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,370 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,505 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,239 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,623 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,832 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,636 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,565 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,434 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,737 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,374 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,735 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,593 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,322 |
| Random Countries and Capitals without Vowels | 0 | - | 4.61 | 21,864 |
| Random European Capital to Country | 0 | - | 4.98 | 191,078 |
| Random European Country to Capital | 0 | - | 4.93 | 165,291 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,544 |
