| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,688,227 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,825 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,678 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,773 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,702 |
| Random Country to Capital | 0 | - | 4.98 | 919,562 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,851 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,037 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,992 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,022 |
| Europe Capital to Country | 0 | - | 4.99 | 249,858 |
| World Capitals by Map | 0 | - | 5.00 | 286,037 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,608 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,467 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,786 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,451 |
| Solve the Secret Capital City | 0 | - | 4.80 | 163,509 |
| Random European Capital to Country | 0 | - | 4.98 | 190,772 |
| Coldest World Capitals | 0 | - | 4.95 | 133,525 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,359 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,982 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,826 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,174 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,792 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,644 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,869 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,013 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,220 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,242 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,247 |
| Megacities on a World Map | 0 | - | 4.98 | 254,124 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,138 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,694 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,047 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,229 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,163 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,850 |
| Random European Country to Capital | 0 | - | 4.93 | 164,967 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,359 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,753 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,144 |
| Capitals Starting With A | 0 | - | 4.97 | 127,771 |
| Asia Capital to Country | 0 | - | 4.96 | 126,571 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,117 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,574 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,303 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,023 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,125 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,089 |
| Capitals Starting With M | 0 | - | 4.93 | 107,640 |
| Capitals Starting With W | 0 | - | 4.87 | 91,237 |
| African Capitals by Map | 0 | - | 4.99 | 133,614 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,112 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,237 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,965 |
| Capitals Starting With D | 0 | - | 4.93 | 96,327 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,485 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,025 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,367 |
| Capitals Starting With S | 0 | - | 4.90 | 85,682 |
| Capitals Starting With R | 0 | - | 4.87 | 81,741 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,791 |
| Capitals Starting With H | 0 | - | 4.91 | 92,455 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,779 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,617 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,689 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,803 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,991 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,944 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,079 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,117 |
| European Coastal Capitals | 0 | - | 4.95 | 90,502 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,334 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,138 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,089 |
| Moved Capital Cities | 0 | - | 4.96 | 74,129 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,235 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,623 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,546 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,395 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,106 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,068 |
| Countries by Capital City | 0 | - | 5.00 | 68,111 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,247 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,981 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,397 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,372 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,343 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,179 |
| Official Cities in the UK | 0 | - | 4.89 | 283,408 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,850 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,809 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,368 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,656 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,818 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,215 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,436 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,165 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,267 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,883 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,274 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,162 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,318 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,674 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,325 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,881 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,488 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,725 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,459 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,294 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,414 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,022 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,538 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,664 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,842 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 57,298 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,972 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,965 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,503 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,040 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,605 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,680 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,869 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,705 |
| Countries with Megacities | 0 | - | 4.99 | 262,420 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,482 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,662 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,875 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,710 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,089 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,233 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,185 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,026 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,152 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,390 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,319 |
| Random European City to Country | 0 | - | 4.69 | 117,587 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,000 |
| European Cities by Clue | 0 | - | 4.70 | 89,039 |
| Which City in Europe? | 0 | - | 4.83 | 107,325 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,747 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,902 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,537 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,562 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,366 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,188 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,744 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,694 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,982 |
| Which City in Canada? | 0 | - | 4.82 | 57,025 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,290 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,707 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,396,041 |
| US States Quiz | 0 | - | 5.00 | 16,856,145 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,619,148 |
| Europe Map Quiz | 0 | - | 5.00 | 4,759,502 |
| United States Map Quiz | 0 | - | 4.98 | 4,156,292 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,825,783 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,377,613 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,061 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,074 |
| All Country Flags of the World | 0 | - | 5.00 | 3,657,191 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,544 |
| Countries that Start with B | 0 | - | 4.95 | 2,292,646 |
| Countries of Africa | 0 | - | 5.00 | 2,533,893 |
| Countries that Start with A | 0 | - | 4.98 | 2,160,873 |
| Countries that Start with C | 0 | - | 4.96 | 1,820,650 |
| Countries that Start with S | 0 | - | 4.98 | 1,753,567 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,447,680 |
| South America Map Quiz | 0 | - | 5.00 | 1,548,777 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,382,074 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,869,257 |
| Countries that Start with G | 0 | - | 4.97 | 1,502,007 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,547,467 |
| Countries that Start with M | 0 | - | 4.97 | 1,380,632 |
| Countries that Start with E | 0 | - | 4.95 | 1,376,053 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,327,414 |
| Countries that Start with I | 0 | - | 4.92 | 1,287,153 |
| Countries that Start with P | 0 | - | 4.94 | 1,215,256 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,329 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,320 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,046,948 |
| Countries that Start with N | 0 | - | 4.93 | 1,116,818 |
| Central America and Caribbean Map Quiz | 0 | - | 4.89 | 901,887 |
| Countries that Start with L | 0 | - | 4.98 | 1,089,837 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,119 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 906,798 |
| Countries that Start with U | 0 | - | 4.97 | 903,942 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,689 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,022,059 |
| Asia Map Quiz | 0 | - | 4.99 | 915,817 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,063 |
| Countries of South America | 0 | - | 5.00 | 924,039 |
| Island Countries | 0 | - | 4.99 | 710,089 |
| Counties of England | 0 | - | 4.97 | 795,897 |
| Top World Languages | 0 | - | 4.92 | 821,230 |
| Countries that Start with K | 0 | - | 4.97 | 815,043 |
| Canada Provinces Map Quiz | 0 | - | 4.99 | 639,790 |
| Oceania Map Quiz | 0 | - | 4.98 | 641,561 |
| Countries that Start with V | 0 | - | 4.98 | 608,918 |
