| Which City in Europe? | 0 | - | 4.83 | 107,475 |
| Which City in Canada? | 0 | - | 4.83 | 57,105 |
| Which City in Latin America? | 0 | - | 4.63 | 47,042 |
| Which City in Africa? | 0 | - | 4.77 | 57,856 |
| Which City in Asia? | 0 | - | 4.52 | 51,409 |
| European Cities by Clue | 0 | - | 4.70 | 89,074 |
| Which City in the Middle East? | 0 | - | 4.47 | 67,153 |
| World Capitals by a Single Clue #2 | 0 | - | 4.46 | 54,006 |
| World Capitals by a Single Clue #4 | 0 | - | 4.41 | 45,386 |
| World Capitals by a Single Clue #1 | 0 | - | 4.52 | 56,259 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,795 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,630 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,837 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,868 |
| Random Country to Capital | 0 | - | 4.98 | 921,521 |
| Which City in the United States? | 0 | - | 4.21 | 57,024 |
| Name a City - European Countries | 0 | - | 4.90 | 65,480 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,817 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,232 |
| Europe Capital to Country | 0 | - | 4.99 | 250,569 |
| Asia Capital to Country | 0 | - | 4.96 | 126,749 |
| Capital Cities Chain | 0 | - | 4.83 | 82,830 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,034 |
| European Capitals by Map | 0 | - | 4.99 | 139,568 |
| African Capitals by Map | 0 | - | 4.99 | 134,018 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,929 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,523 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,171 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,516 |
| European Coastal Capitals | 0 | - | 4.95 | 90,696 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,622 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,360 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,257 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,876 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,999 |
| World Capitals by a Single Clue #3 | 0 | - | 4.35 | 46,249 |
| Official Cities in the UK | 0 | - | 4.89 | 284,147 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,874 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,084 |
| World Capitals Quiz | 0 | - | 5.00 | 5,078,630 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,186 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,566 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,115 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,406 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,913 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,230 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,445 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,346 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,146 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,250 |
| Random European City to Country | 0 | - | 4.69 | 117,775 |
| Random Asian City to Country | 0 | - | 4.56 | 44,551 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,561 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,021 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,889 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,582 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,177 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,204 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,735 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,532 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,624 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,424 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,220 |
| US States and State Capitals | 0 | - | 4.99 | 162,953 |
| Cities by Wikipedia Descriptions #1 | 0 | - | 4.52 | 55,468 |
| Cities by Wikipedia Descriptions #3 | 0 | - | 4.58 | 47,777 |
| Capitals of the Stans | 0 | - | 4.95 | 26,876 |
| Cities that End in G by Clue | 0 | - | 4.54 | 21,605 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,588,464 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,604 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,552 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,724 |
| Capitals in Random Squares of the World Map | 0 | - | 4.92 | 75,574 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,276 |
| Random European Capital to Country | 0 | - | 4.98 | 191,043 |
| Random European Country to Capital | 0 | - | 4.93 | 165,261 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,520 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,834 |
| Random African Capital to Country | 0 | - | 4.97 | 100,793 |
| Random African Country to Capital | 0 | - | 4.94 | 71,320 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,116 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,390 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,396 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,303 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,170 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,156 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,893 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,395 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,480 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,589 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,344 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,150 |
| Countries by Capital City | 0 | - | 5.00 | 68,451 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,255 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,734 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,740 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,022 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,306 |
| Moved Capital Cities | 0 | - | 4.96 | 74,270 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,876 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,031 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,834 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,604 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,234 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,156 |
| Random U.S. City to State | 0 | - | 4.45 | 76,358 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,293 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,734 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,033 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,962 |
| North American Sports Cities | 0 | - | 4.83 | 172,506 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,358 |
| Cities in European History #1 | 0 | - | 4.63 | 134,101 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,366 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,773 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,890 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,134 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,461 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,919 |
| Name a Valid World City | 0 | - | 4.83 | 71,330 |
| Cities by Former Name | 0 | - | 4.83 | 91,628 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,431 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,706 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,681 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,296 |
| Add A Letter - Make a Capital City | 0 | - | 4.46 | 32,443 |
| World Capitals by Map | 0 | - | 5.00 | 286,978 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,385 |
| Capitals Starting With H | 0 | - | 4.91 | 92,644 |
| Capitals Starting With K | 0 | - | 4.88 | 83,667 |
| Capitals Starting With L | 0 | - | 4.81 | 88,174 |
| Capitals Starting With M | 0 | - | 4.93 | 107,938 |
| Capitals Starting With P | 0 | - | 4.88 | 78,277 |
| Capitals Starting With R | 0 | - | 4.87 | 81,914 |
| Capitals Starting With S | 0 | - | 4.90 | 85,878 |
| Capitals Starting With T | 0 | - | 4.85 | 76,232 |
| Capitals Starting With W | 0 | - | 4.87 | 91,348 |
| Capitals Starting With A | 0 | - | 4.97 | 128,178 |
| Capitals Starting With B | 0 | - | 4.89 | 118,600 |
| Capitals Starting With D | 0 | - | 4.93 | 96,536 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,338 |
| Which City in Australia? | 0 | - | 4.67 | 34,437 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,329,632 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,503 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,113 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,602 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,588 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,532 |
| North America Cities by Map | 0 | - | 4.41 | 47,823 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,074 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,264 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,987 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,875 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,296 |
| Former Capitals | 0 | - | 4.88 | 71,490 |
| Coldest World Capitals | 0 | - | 4.95 | 133,600 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,658 |
| Word Scramble - National Capitals | 0 | - | 4.19 | 488,678 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,492 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,755 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,245 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.43 | 54,784 |
| Countries by Emojis | 0 | - | 4.99 | 240,040 |
| Countries With One Word And Two O's | 0 | - | 4.92 | 56,018 |
| Category Elimination - European Geography #1 | 0 | - | 4.98 | 233,565 |
| Category Elimination - European Geography #2 | 0 | - | 4.99 | 167,324 |
| Category Elimination - Asian Geography #1 | 0 | - | 4.86 | 110,178 |
| Category Elimination - African Geography #1 | 0 | - | 4.90 | 92,452 |
| Category Elimination - Asian Geography #2 | 0 | - | 4.94 | 96,923 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,083 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,011 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,474 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,113 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,493 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,052 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,948 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,574 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,250 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,426 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 72,903 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,709 |
| World City Nicknames Quiz | 0 | - | 4.16 | 35,598 |
| Cities with the Most Foreign Embassies | 0 | - | 4.68 | 47,159 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,375 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,552 |
| South American Cities on the Map | 0 | - | 4.53 | 35,441 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,729 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,704 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,981 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,459 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,449 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,874 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,735 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,458 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,778 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,118 |
| Name a City - Asian Countries | 0 | - | 4.38 | 19,568 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,630 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,382 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,277 |
