| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,980 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 30,175 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,215 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,086 |
| Europe Capital to Country | 0 | - | 4.99 | 252,634 |
| Asia Capital to Country | 0 | - | 4.96 | 127,705 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,315 |
| European Capitals by Map | 0 | - | 4.99 | 142,599 |
| African Capitals by Map | 0 | - | 4.99 | 142,631 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,704 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,136 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,153 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,415 |
| European Coastal Capitals | 0 | - | 4.95 | 91,514 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,278 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,389 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,706 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,261 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,696 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,378 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,733 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,348 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,507 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,675 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,072 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,832 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,814 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,009 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,704 |
| Capitals of the Stans | 0 | - | 4.95 | 27,239 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,610 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,948 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,171 |
| Random European Capital to Country | 0 | - | 4.98 | 192,373 |
| Random European Country to Capital | 0 | - | 4.93 | 166,100 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,100 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,604 |
| Random African Capital to Country | 0 | - | 4.97 | 101,514 |
| Random African Country to Capital | 0 | - | 4.94 | 71,902 |
| Soviet Union Country Quiz | 0 | - | 4.91 | 81,236 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,592 |
| Name a City - European Countries | 0 | - | 4.89 | 66,402 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,210 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,334 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,446 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,577 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,850 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,393 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,383 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,700 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,377 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,004 |
| Official Cities in the UK | 0 | - | 4.89 | 286,932 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,177 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,287 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,870 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,685 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,142 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,901 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,313 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,464 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,281 |
| World Capitals Quiz | 0 | - | 5.00 | 5,115,017 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,806 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,526 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,618 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,223 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,632 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 124,823 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,670 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,299 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,059 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,545 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,643 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,262 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 62,111 |
| Which City in Europe? | 0 | - | 4.83 | 108,013 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,103 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,538 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,585 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,100 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,366 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,474 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,424 |
| Countries by Capital City | 0 | - | 5.00 | 69,667 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,192 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,371 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,514 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,982 |
| Moved Capital Cities | 0 | - | 4.96 | 74,744 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,512 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,468 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,872 |
| Random Country to Capital | 0 | - | 4.98 | 930,330 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,673 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,201 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,916 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,824 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,335 |
| US States and State Capitals | 0 | - | 4.99 | 166,050 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,901 |
| Which City in Canada? | 0 | - | 4.83 | 57,417 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,900 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,701 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,506 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,898 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,267 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,237 |
| North American Sports Cities | 0 | - | 4.82 | 173,316 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,610 |
| Cities in European History #1 | 0 | - | 4.63 | 134,754 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,727 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,838 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,480 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,923 |
| North America Cities by Map | 0 | - | 4.41 | 47,977 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,967 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,244 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,085 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,842 |
| Random European City to Country | 0 | - | 4.69 | 118,557 |
| Random Asian City to Country | 0 | - | 4.56 | 44,641 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,942 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,842 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,069 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,625 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,709 |
| Name a Valid World City | 0 | - | 4.85 | 72,156 |
| Cities by Former Name | 0 | - | 4.83 | 92,201 |
| Former Capitals | 0 | - | 4.88 | 71,735 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,971 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,990 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,053 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,103 |
| Capital Cities Chain | 0 | - | 4.84 | 83,539 |
| Solve the Secret Capital City | 0 | - | 4.80 | 164,761 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 247,177 |
| Coldest World Capitals | 0 | - | 4.95 | 134,301 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,982 |
| World Capitals by Map | 0 | - | 5.00 | 290,039 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,946 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,272 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 202,000 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,744 |
| Capitals Starting With H | 0 | - | 4.91 | 93,464 |
| Capitals Starting With K | 0 | - | 4.89 | 84,527 |
| Capitals Starting With L | 0 | - | 4.81 | 96,111 |
| Capitals Starting With M | 0 | - | 4.94 | 109,398 |
| Capitals Starting With P | 0 | - | 4.88 | 79,138 |
| Capitals Starting With R | 0 | - | 4.89 | 82,623 |
| Capitals Starting With S | 0 | - | 4.90 | 86,709 |
| Capitals Starting With T | 0 | - | 4.86 | 76,958 |
| Capitals Starting With W | 0 | - | 4.87 | 91,804 |
| Capitals Starting With A | 0 | - | 4.97 | 129,303 |
| Capitals Starting With B | 0 | - | 4.89 | 119,670 |
| Capitals Starting With D | 0 | - | 4.94 | 97,327 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,895 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,456 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,132 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,766 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,100 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,734 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,773 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,964 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,484 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,342 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,110 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,987 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,145 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,073 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,662 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,716 |
| South American Cities on the Map | 0 | - | 4.52 | 35,585 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,001 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,107 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,293 |
| Random U.S. City to State | 0 | - | 4.45 | 77,040 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,671 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,495 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,118 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,184 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,349 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,616 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,482 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,001 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,220 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,952 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,906 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,530 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,567 |
| Flags to Capitals #1 | 0 | - | 4.96 | 59,031 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,886 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,533 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,713 |
| Random World Capitals on a Map | 0 | - | 4.93 | 136,050 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,561 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 90,022 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 28,222 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,928 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,328 |
