| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,391 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,793 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,614 |
| Asia Capitals Quiz | 0 | - | 4.98 | 691,763 |
| Europe Capital to Country | 0 | - | 4.99 | 249,772 |
| Asia Capital to Country | 0 | - | 4.96 | 126,550 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,713 |
| European Capitals by Map | 0 | - | 4.99 | 138,826 |
| African Capitals by Map | 0 | - | 4.99 | 133,545 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,778 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,180 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,965 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,308 |
| European Coastal Capitals | 0 | - | 4.95 | 90,466 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,534 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,520 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,726 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,779 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,375 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,357 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,949 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,095 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,760 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,120 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,212 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,221 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,975 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,212 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,100 |
| Capitals of the Stans | 0 | - | 4.95 | 26,797 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,315 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,475 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,599 |
| Random European Capital to Country | 0 | - | 4.98 | 190,745 |
| Random European Country to Capital | 0 | - | 4.93 | 164,915 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,338 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,670 |
| Random African Capital to Country | 0 | - | 4.97 | 100,579 |
| Random African Country to Capital | 0 | - | 4.94 | 71,129 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,664 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,810 |
| Name a City - European Countries | 0 | - | 4.90 | 65,279 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,973 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,699 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,942 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,570 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,079 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,910 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,096 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,514 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,937 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,921 |
| Official Cities in the UK | 0 | - | 4.89 | 283,308 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,420 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,052 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,953 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,773 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,039 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,259 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,629 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,657 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,415 |
| World Capitals Quiz | 0 | - | 5.00 | 5,067,286 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 12,888 |
| Melbourne Suburbs | 0 | - | 4.85 | 52,963 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,007 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,860 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,731 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.93 | 123,796 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,149 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,165 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,893 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,324 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,110 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,960 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,593 |
| Which City in Europe? | 0 | - | 4.83 | 107,281 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,203 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,968 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,060 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,290 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,366 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,071 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,774 |
| Countries by Capital City | 0 | - | 5.00 | 68,050 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,053 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,535 |
| World Capitals by Proximity | 0 | - | 4.91 | 330,917 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,039 |
| Moved Capital Cities | 0 | - | 4.96 | 74,113 |
| Random Capital to Country | 0 | - | 4.99 | 2,589,293 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,407 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,473 |
| Random Country to Capital | 0 | - | 4.98 | 919,300 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 113,916 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,022 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,758 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,661 |
| US States and State Capitals | 0 | - | 4.99 | 161,712 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,166 |
| Which City in Canada? | 0 | - | 4.82 | 57,007 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,821 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,410 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,850 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,790 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,335 |
| North American Sports Cities | 0 | - | 4.83 | 172,227 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,283 |
| Cities in European History #1 | 0 | - | 4.62 | 133,883 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,569 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,528 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,329 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,728 |
| North America Cities by Map | 0 | - | 4.41 | 47,779 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,874 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,110 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,859 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 214,791 |
| Random European City to Country | 0 | - | 4.69 | 117,538 |
| Random Asian City to Country | 0 | - | 4.56 | 44,474 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,404 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,772 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,304 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,732 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,731 |
| Cities by Former Name | 0 | - | 4.83 | 91,492 |
| Former Capitals | 0 | - | 4.88 | 71,405 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,629 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,352 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,608 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,943 |
| Capital Cities Chain | 0 | - | 4.83 | 82,599 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,367 |
| Coldest World Capitals | 0 | - | 4.95 | 133,511 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,019 |
| World Capitals by Map | 0 | - | 5.00 | 285,870 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,220 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,459 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,875 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,767 |
| Capitals Starting With H | 0 | - | 4.91 | 92,404 |
| Capitals Starting With K | 0 | - | 4.88 | 83,051 |
| Capitals Starting With L | 0 | - | 4.81 | 87,929 |
| Capitals Starting With M | 0 | - | 4.93 | 107,577 |
| Capitals Starting With P | 0 | - | 4.88 | 78,058 |
| Capitals Starting With R | 0 | - | 4.87 | 81,698 |
| Capitals Starting With S | 0 | - | 4.90 | 85,640 |
| Capitals Starting With T | 0 | - | 4.85 | 76,055 |
| Capitals Starting With W | 0 | - | 4.87 | 91,213 |
| Capitals Starting With A | 0 | - | 4.97 | 127,708 |
| Capitals Starting With B | 0 | - | 4.89 | 118,309 |
| Capitals Starting With D | 0 | - | 4.93 | 96,289 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,723 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,210 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,911 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,511 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,958 |
| Confederate States of the U.S. Civil War | 0 | - | 4.91 | 129,191 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,640 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,656 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,150 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,721 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,378 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,999 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,931 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,296 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,482 |
| South American Cities on the Map | 0 | - | 4.53 | 35,400 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,477 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,273 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,890 |
| Random U.S. City to State | 0 | - | 4.45 | 76,195 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,409 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,684 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,263 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,774 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,050 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,944 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,061 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,672 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,486 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,623 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 126,274 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,109 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,357 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,330 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 132,857 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,998 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,448 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,390 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,241 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 28,083 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,320 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,139 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,422 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,179 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,619 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,601 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,229 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,057 |
