| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,026 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,898 |
| Africa Capitals Quiz | 0 | - | 4.99 | 742,317 |
| Asia Capitals Quiz | 0 | - | 4.98 | 697,462 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,965 |
| Random European Capital to Country | 0 | - | 4.98 | 191,869 |
| Random European Country to Capital | 0 | - | 4.93 | 165,686 |
| Europe Capital to Country | 0 | - | 4.99 | 251,661 |
| Asia Capital to Country | 0 | - | 4.96 | 127,230 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,703 |
| European Capitals by Map | 0 | - | 4.99 | 141,521 |
| African Capitals by Map | 0 | - | 4.99 | 141,606 |
| South America Capitals Quiz | 0 | - | 5.00 | 484,059 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,663 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,674 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,017 |
| European Coastal Capitals | 0 | - | 4.95 | 91,125 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,090 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 271,936 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,380 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,076 |
| North America Capitals Quiz | 0 | - | 4.99 | 221,602 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,035 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,436 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,273 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,480 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,806 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,605 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,479 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,326 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,460 |
| Capitals of the Stans | 0 | - | 4.95 | 27,069 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,207 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,738 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,891 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,285 |
| Random African Capital to Country | 0 | - | 4.97 | 101,171 |
| Random African Country to Capital | 0 | - | 4.94 | 71,636 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,303 |
| Name a City - European Countries | 0 | - | 4.90 | 65,981 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,117 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,162 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,292 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,257 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,503 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 150,011 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,254 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,387 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,278 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,831 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,631 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 439,128 |
| Official Cities in the UK | 0 | - | 4.89 | 285,585 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,359 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,191 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,449 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,696,533 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,746 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 150,542 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,657 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 82,348 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,877 |
| World Capitals Quiz | 0 | - | 5.00 | 5,097,470 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,545 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,020 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 145,359 |
| Figures from Greek Mythology | 0 | - | 4.91 | 188,403 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,435 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 97,026 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,776 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,248 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,596,212 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,248 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,002 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,452 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,440 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,162 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,924 |
| Which City in Europe? | 0 | - | 4.83 | 107,778 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,029 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,949 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,833 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,017 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,970 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,850 |
| Countries by Capital City | 0 | - | 5.00 | 69,134 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,693 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,077 |
| World Capitals by Proximity | 0 | - | 4.91 | 333,220 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,654 |
| Moved Capital Cities | 0 | - | 4.96 | 74,549 |
| Random Capital to Country | 0 | - | 4.99 | 2,598,742 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,447 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,754 |
| Random Country to Capital | 0 | - | 4.98 | 925,807 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,255 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,110 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,840 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,759 |
| US States and State Capitals | 0 | - | 4.99 | 164,680 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,654 |
| Which City in Canada? | 0 | - | 4.83 | 57,278 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,718 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 320,087 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,430 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,332 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,521 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,012 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,022 |
| North American Sports Cities | 0 | - | 4.83 | 172,966 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,503 |
| Cities in European History #1 | 0 | - | 4.63 | 134,463 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,667 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,716 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,429 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,857 |
| North America Cities by Map | 0 | - | 4.41 | 47,905 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,937 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,194 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,740 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 216,108 |
| Random European City to Country | 0 | - | 4.69 | 118,273 |
| Random Asian City to Country | 0 | - | 4.56 | 44,590 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,500 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,512 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,812 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,353 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,444 |
| Name a Valid World City | 0 | - | 4.84 | 71,783 |
| Cities by Former Name | 0 | - | 4.83 | 91,923 |
| Former Capitals | 0 | - | 4.88 | 71,619 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,876 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,619 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,896 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 45,030 |
| Capital Cities Chain | 0 | - | 4.84 | 83,213 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,706 |
| Coldest World Capitals | 0 | - | 4.95 | 134,079 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,660 |
| World Capitals by Map | 0 | - | 5.00 | 288,726 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,699 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,994 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,705 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,403 |
| Capitals Starting With H | 0 | - | 4.91 | 93,058 |
| Capitals Starting With K | 0 | - | 4.88 | 84,121 |
| Capitals Starting With L | 0 | - | 4.81 | 92,382 |
| Capitals Starting With M | 0 | - | 4.93 | 108,675 |
| Capitals Starting With P | 0 | - | 4.88 | 78,711 |
| Capitals Starting With R | 0 | - | 4.88 | 82,262 |
| Capitals Starting With S | 0 | - | 4.90 | 86,298 |
| Capitals Starting With T | 0 | - | 4.85 | 76,599 |
| Capitals Starting With W | 0 | - | 4.87 | 91,575 |
| Capitals Starting With A | 0 | - | 4.97 | 128,741 |
| Capitals Starting With B | 0 | - | 4.89 | 119,147 |
| Capitals Starting With D | 0 | - | 4.93 | 96,933 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,840 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,379 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,061 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,662 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,036 |
| Single Vowel Capitals | 0 | - | 4.82 | 14,668 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,042 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,770 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,420 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,702 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,750 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,840 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,376 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,951 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,194 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,018 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,524 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,642 |
| South American Cities on the Map | 0 | - | 4.52 | 35,526 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 151,630 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,924 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,142 |
| Random U.S. City to State | 0 | - | 4.45 | 76,770 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,565 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,167 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,789 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,044 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,541 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,254 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,342 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,658 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,030 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,711 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,814 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 127,112 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,387 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,812 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,663 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,909 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,464 |
| Random World Capitals on a Map | 0 | - | 4.93 | 135,422 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 81,148 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,736 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 28,169 |
