| Nordic Countries and Capitals | 0 | - | 4.95 | 84,095 |
| Random European Capital to Country | 0 | - | 4.98 | 192,170 |
| Random European Country to Capital | 0 | - | 4.93 | 165,945 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,998 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,456 |
| Random African Capital to Country | 0 | - | 4.97 | 101,369 |
| Random African Country to Capital | 0 | - | 4.95 | 71,763 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,061 |
| Name a City - European Countries | 0 | - | 4.89 | 66,203 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,046 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,019 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,716 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,338 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,180 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,511 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,105 |
| Europe Capital to Country | 0 | - | 4.99 | 252,157 |
| Asia Capital to Country | 0 | - | 4.96 | 127,479 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,019 |
| European Capitals by Map | 0 | - | 4.99 | 142,162 |
| African Capitals by Map | 0 | - | 4.99 | 142,261 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,943 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,902 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,210 |
| European Coastal Capitals | 0 | - | 4.95 | 91,335 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,197 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,806 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,839 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,180 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,080 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,561 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,151 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,865 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,913 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,882 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,039 |
| Official Cities in the UK | 0 | - | 4.89 | 286,342 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,059 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,281 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,258 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,600 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,149 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,409 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,596 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,973 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,730 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,868 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,955 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,309 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,039 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,040 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,114 |
| World Capitals Quiz | 0 | - | 5.00 | 5,107,374 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,691 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,650 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,576 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,762 |
| Capitals of the Stans | 0 | - | 4.95 | 27,154 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,599,989 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,448 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,826 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,361 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,853 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,035 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,446 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,968 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,170 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,274 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,385 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,425 |
| Which City in Europe? | 0 | - | 4.83 | 107,907 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,473 |
| North American Sports Cities | 0 | - | 4.82 | 173,178 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,563 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,339 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,966 |
| Name a Valid World City | 0 | - | 4.85 | 72,015 |
| Find the City #1 | 0 | - | 4.97 | 43,354 |
| Cities by Former Name | 0 | - | 4.83 | 92,072 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,786 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,379 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,983 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,993 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,230 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,256 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,178 |
| Countries by Capital City | 0 | - | 5.00 | 69,431 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,872 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,251 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,840 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,829 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,863 |
| Moved Capital Cities | 0 | - | 4.96 | 74,665 |
| World Capitals by Map | 0 | - | 5.00 | 289,468 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,840 |
| Random Capital to Country | 0 | - | 4.99 | 2,602,011 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,815 |
| Random Country to Capital | 0 | - | 4.98 | 928,447 |
| Capitals Starting With H | 0 | - | 4.91 | 93,350 |
| Capitals Starting With K | 0 | - | 4.89 | 84,418 |
| Capitals Starting With M | 0 | - | 4.94 | 109,214 |
| Capitals Starting With P | 0 | - | 4.88 | 79,024 |
| Capitals Starting With R | 0 | - | 4.88 | 82,526 |
| Capitals Starting With S | 0 | - | 4.90 | 86,593 |
| Capitals Starting With T | 0 | - | 4.86 | 76,855 |
| Capitals Starting With W | 0 | - | 4.87 | 91,744 |
| Capitals Starting With A | 0 | - | 4.97 | 129,133 |
| Capitals Starting With B | 0 | - | 4.89 | 119,532 |
| Capitals Starting With D | 0 | - | 4.94 | 97,227 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,606 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,169 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,883 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,799 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,244 |
| US States and State Capitals | 0 | - | 4.99 | 165,445 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,789 |
| Which City in Canada? | 0 | - | 4.83 | 57,367 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,715 |
| Colour in the Flag Map by Guessing Cities #2 | 0 | - | 4.70 | 49,921 |
| Cities in European History #1 | 0 | - | 4.63 | 134,630 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,705 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,786 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,458 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,893 |
| North America Cities by Map | 0 | - | 4.41 | 47,947 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,956 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,219 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,941 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,531 |
| Random European City to Country | 0 | - | 4.69 | 118,476 |
| Random Asian City to Country | 0 | - | 4.56 | 44,622 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,701 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,503 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,596 |
| Former Capitals | 0 | - | 4.88 | 71,684 |
| Capital Cities Chain | 0 | - | 4.84 | 83,398 |
| Coldest World Capitals | 0 | - | 4.95 | 134,172 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,166 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,261 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,594 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 69,085 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,877 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,425 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,103 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,726 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,081 |
| Random U.S. States on a Map | 0 | - | 4.96 | 630,458 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,736 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,038 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,609 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,689 |
| South American Cities on the Map | 0 | - | 4.52 | 35,559 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,805 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,848 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,018 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,224 |
| Random U.S. City to State | 0 | - | 4.45 | 76,926 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,619 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,360 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,974 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,119 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,318 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,509 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,452 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,857 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,126 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,861 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,689 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,867 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,277 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,327 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,035 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,494 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,556 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,479 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,214 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,942 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,790 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,270 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,589 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,942 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,854 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,002 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,400 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,905 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,311 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,805 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,255 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,264 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,672 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,307 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,115 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,972 |
| Sydney Suburbs | 0 | - | 4.65 | 38,483 |
| European Cities by Clue | 0 | - | 4.70 | 89,178 |
| The Only Country ... | 0 | - | 4.91 | 81,908 |
| Boroughs of London | 0 | - | 4.63 | 88,584 |
| London Geography | 0 | - | 4.47 | 59,874 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,433 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 246,553 |
