| World Capitals Quiz | 0 | - | 5.00 | 5,077,837 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,068 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,043 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,273 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,364 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,470 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,572 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,329 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,129 |
| Countries by Capital City | 0 | - | 5.00 | 68,424 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,241 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,723 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,286 |
| Moved Capital Cities | 0 | - | 4.96 | 74,263 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,506 |
| Countries that Produce the Most Beer | 0 | - | 4.85 | 130,804 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,687 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,496 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,953 |
| North American Sports Cities | 0 | - | 4.83 | 172,475 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,350 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,449 |
| Name a City - European Countries | 0 | - | 4.90 | 65,460 |
| Cities by Former Name | 0 | - | 4.83 | 91,619 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,447 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,685 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,428 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,695 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,283 |
| World Capitals by Map | 0 | - | 5.00 | 286,836 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,371 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,631 |
| Random Country to Capital | 0 | - | 4.98 | 921,335 |
| Capitals Starting With H | 0 | - | 4.91 | 92,636 |
| Capitals Starting With K | 0 | - | 4.88 | 83,654 |
| Capitals Starting With L | 0 | - | 4.81 | 88,163 |
| Capitals Starting With M | 0 | - | 4.93 | 107,920 |
| Capitals Starting With P | 0 | - | 4.88 | 78,268 |
| Capitals Starting With R | 0 | - | 4.87 | 81,908 |
| Capitals Starting With S | 0 | - | 4.90 | 85,868 |
| Capitals Starting With T | 0 | - | 4.85 | 76,225 |
| Capitals Starting With W | 0 | - | 4.87 | 91,346 |
| Capitals Starting With A | 0 | - | 4.97 | 128,165 |
| Capitals Starting With B | 0 | - | 4.89 | 118,593 |
| Capitals Starting With D | 0 | - | 4.93 | 96,528 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,868 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,015 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,808 |
| Which City in Europe? | 0 | - | 4.83 | 107,458 |
| Countries that Produce the Most Wine | 0 | - | 4.87 | 191,779 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,248 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,421 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,898 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,156 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,582 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,790 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,057 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,224 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,198 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,978 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,860 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,277 |
| Former Capitals | 0 | - | 4.88 | 71,484 |
| Europe Capital to Country | 0 | - | 4.99 | 250,524 |
| Asia Capital to Country | 0 | - | 4.96 | 126,737 |
| Capital Cities Chain | 0 | - | 4.83 | 82,814 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,012 |
| European Capitals by Map | 0 | - | 4.99 | 139,472 |
| African Capitals by Map | 0 | - | 4.99 | 133,953 |
| Coldest World Capitals | 0 | - | 4.95 | 133,593 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,501 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,151 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,496 |
| European Coastal Capitals | 0 | - | 4.95 | 90,676 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,618 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,288 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,218 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,870 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,635 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,980 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,450 |
| Countries by Emojis | 0 | - | 4.99 | 239,979 |
| Random European City to Country | 0 | - | 4.69 | 117,741 |
| Random Asian City to Country | 0 | - | 4.56 | 44,551 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,126 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,326 |
| Which City in Canada? | 0 | - | 4.83 | 57,101 |
| Top 10 Countries in Beer Production per Capita | 0 | - | 4.67 | 64,927 |
| Countries by Alcohol Consumption | 0 | - | 4.43 | 205,485 |
| Lonely Planet Top 200 Cities | 0 | - | 4.52 | 221,024 |
| Ancient City to Country | 0 | - | 4.70 | 108,068 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,597 |
| Official Cities in the UK | 0 | - | 4.89 | 284,067 |
| City-States | 0 | - | 4.53 | 37,282 |
| Cities with the Most International Tourists | 0 | - | 4.45 | 54,163 |
| Damaged and Destroyed Cities | 0 | - | 4.44 | 44,692 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,865 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,198 |
| City Where It Happened #2 | 0 | - | 4.42 | 53,127 |
| Capital Cities with the Highest Elevation | 0 | - | 4.42 | 54,551 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,552 |
| Capital Names Created by Only 4 Letters | 0 | - | 4.46 | 57,244 |
| Capitals Based on Last Two Letters | 0 | - | 4.48 | 58,944 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,840 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,104 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,548 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,099 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,373 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,229 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,895 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,694 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,516 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,231 |
| Top Five Capitals By Category #1 | 0 | - | 4.74 | 81,021 |
| Top Five Capitals By Category #2 | 0 | - | 4.78 | 67,086 |
| Most Expensive Capital Cities | 0 | - | 4.55 | 81,125 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,222 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,197 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,436 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,513 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,452 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,116 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,716 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,683 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,205 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,340 |
| The Only Country ... | 0 | - | 4.91 | 81,230 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,385 |
| Boundary Waters | 0 | - | 4.92 | 88,506 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,200 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,167 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,513 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,943 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,568 |
| Unusual U.S. City Names | 0 | - | 4.51 | 27,826 |
| Northernmost Major Cities | 0 | - | 4.08 | 56,536 |
| Biggest Cities Named for Saints | 0 | - | 4.36 | 95,522 |
| Biggest U.S. Cities with 4 or 5 Letters | 0 | - | 4.39 | 46,965 |
| Most Appealing Cities for Working Abroad | 0 | - | 4.38 | 36,155 |
| Cities by Latitude Longitude Coordinates | 0 | - | 4.45 | 8,575 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,229 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,447 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,991 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,871 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,164 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,161 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,710 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,605 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,416 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,210 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,108 |
| 20 Random Country Flags | 0 | - | 4.99 | 613,384 |
| Name a Valid European Country #1 | 0 | - | 4.99 | 261,422 |
| Name a Valid Asian Country | 0 | - | 4.98 | 121,101 |
| Name a Valid African Country | 0 | - | 4.98 | 154,180 |
| Name a Valid European Country #2 | 0 | - | 4.94 | 114,836 |
| Brand Logos Quiz #1 | 0 | - | 4.83 | 2,425,094 |
| Resort Towns by Country | 0 | - | 4.30 | 40,026 |
| Word Scramble - Cities #1 | 0 | - | 4.50 | 99,260 |
| Big 4 Sports Championship Cities | 0 | - | 4.43 | 120,287 |
| Cities by Airports | 0 | - | 4.49 | 88,761 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,952 |
| Largest World Cities With Five Letters | 0 | - | 4.53 | 67,055 |
| Cities Chain #2 | 0 | - | 4.42 | 56,398 |
| Cities Chain #1 | 0 | - | 4.61 | 66,645 |
| World's Biggest Financial Centers | 0 | - | 4.56 | 72,483 |
| Random U.S. City to State | 0 | - | 4.45 | 76,350 |
| Most-Searched Cities on Wikipedia | 0 | - | 4.41 | 35,215 |
| Name Any Valid U.S. City | 0 | - | 4.49 | 40,627 |
| Cities Where Famous People Died | 0 | - | 4.47 | 33,167 |
| Nearest Capital City #2 | 0 | - | 4.57 | 39,162 |
| World Capitals with the Most International Tourists | 0 | - | 4.51 | 53,357 |
| Capitals Starting With N | 0 | - | 4.80 | 51,258 |
| Capitals Starting With V | 0 | - | 4.79 | 38,233 |
| Capitals Starting With C | 0 | - | 4.79 | 98,053 |
| European Cities by Clue | 0 | - | 4.70 | 89,071 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,508,584 |
| Landlocked Countries | 0 | - | 4.99 | 421,081 |
| Countries as U.S. First Names | 0 | - | 4.31 | 77,946 |
| Strongest Nation Brands | 0 | - | 4.50 | 37,631 |
| Drinks by Country | 0 | - | 4.30 | 59,376 |
| Beers by Country | 0 | - | 4.45 | 97,334 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,627 |
| 25 Most Photographed Cities in Europe | 0 | - | 4.36 | 100,616 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,441 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,787 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,818 |
| Cities by Founder and Date | 0 | - | 4.56 | 29,114 |
| City to Country - Tile Select #2 | 0 | - | 4.54 | 20,920 |
| City Where It Happened #1 | 0 | - | 4.23 | 106,360 |
| National Subdivisions by Capital | 0 | - | 4.36 | 99,499 |
| Capital Cities with the Same Name as Their Country | 0 | - | 4.31 | 75,234 |
| Capitals by First and Last Letter | 0 | - | 4.39 | 66,615 |
| World Capitals Ending with O | 0 | - | 4.80 | 17,814 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,570 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,548 |
| Capital Closest to the Equator | 0 | - | 4.58 | 15,432 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,711 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,342 |
| Double Trouble Capital Cities | 0 | - | 4.53 | 22,731 |
