| Nordic Countries and Capitals | 0 | - | 4.95 | 84,199 |
| Random European Capital to Country | 0 | - | 4.98 | 192,441 |
| Random European Country to Capital | 0 | - | 4.93 | 166,142 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,160 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,637 |
| Random African Capital to Country | 0 | - | 4.97 | 101,557 |
| Random African Country to Capital | 0 | - | 4.94 | 71,937 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,416 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,374 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,605 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,550 |
| Name a City - European Countries | 0 | - | 4.89 | 66,473 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,881 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,392 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,861 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,766 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,450 |
| Europe Capital to Country | 0 | - | 4.99 | 252,745 |
| Asia Capital to Country | 0 | - | 4.96 | 127,758 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,407 |
| European Capitals by Map | 0 | - | 4.99 | 142,761 |
| African Capitals by Map | 0 | - | 4.99 | 142,750 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,190 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,208 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,457 |
| European Coastal Capitals | 0 | - | 4.95 | 91,562 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,302 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,545 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,900 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,273 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,479 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 235,065 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,579 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,437 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,166 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 109,016 |
| Official Cities in the UK | 0 | - | 4.89 | 287,128 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,965 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,872 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,416 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,770 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,544 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,717 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,116 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,870 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 90,063 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,928 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,188 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 152,101 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,414 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,559 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,316 |
| World Capitals Quiz | 0 | - | 5.00 | 5,117,818 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,879 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,116 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,738 |
| Capitals of the Stans | 0 | - | 4.95 | 27,269 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,603,791 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,761 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,966 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 105,101 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,597 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,287 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,681 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,703 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,228 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,388 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,475 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,622 |
| Which City in Europe? | 0 | - | 4.83 | 108,051 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,699 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,817 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,536 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,514 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,604 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,674 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,159 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,432 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,576 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,529 |
| Countries by Capital City | 0 | - | 5.00 | 69,760 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,258 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,425 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 85,032 |
| Moved Capital Cities | 0 | - | 4.96 | 74,774 |
| Random Capital to Country | 0 | - | 4.99 | 2,605,437 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,890 |
| Random Country to Capital | 0 | - | 4.98 | 931,058 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 114,701 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,203 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,922 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,826 |
| Biggest Trading Partners – United Kingdom | 0 | - | 4.93 | 81,142 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,638 |
| North American Sports Cities | 0 | - | 4.82 | 173,362 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,620 |
| Cities in European History #1 | 0 | - | 4.63 | 134,987 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,487 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,933 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,978 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,252 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,111 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 54,661 |
| Name a Valid World City | 0 | - | 4.85 | 72,203 |
| Cities by Former Name | 0 | - | 4.83 | 92,229 |
| Capitals in their Native Languages | 0 | - | 4.95 | 134,007 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,075 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.34 | 247,245 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 70,031 |
| World Capitals by Map | 0 | - | 5.00 | 290,245 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,989 |
| Capitals Starting With H | 0 | - | 4.91 | 93,507 |
| Capitals Starting With K | 0 | - | 4.89 | 84,566 |
| Capitals Starting With L | 0 | - | 4.81 | 96,174 |
| Capitals Starting With M | 0 | - | 4.94 | 109,460 |
| Capitals Starting With P | 0 | - | 4.88 | 79,181 |
| Capitals Starting With R | 0 | - | 4.89 | 82,653 |
| Capitals Starting With S | 0 | - | 4.90 | 86,750 |
| Capitals Starting With T | 0 | - | 4.86 | 76,994 |
| Capitals Starting With W | 0 | - | 4.87 | 91,829 |
| Capitals Starting With A | 0 | - | 4.97 | 129,365 |
| Capitals Starting With B | 0 | - | 4.89 | 119,722 |
| Capitals Starting With D | 0 | - | 4.94 | 97,368 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.41 | 32,345 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,293 |
| US States and State Capitals | 0 | - | 4.99 | 166,218 |
| Which City in Canada? | 0 | - | 4.83 | 57,442 |
| Flags of Countries that Border Germany | 0 | - | 4.86 | 98,029 |
| Flags of Countries That Border France | 0 | - | 4.89 | 123,984 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,795 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,945 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,666 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,733 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,851 |
| North America Cities by Map | 0 | - | 4.41 | 47,982 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 47,140 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 216,949 |
| Random European City to Country | 0 | - | 4.69 | 118,586 |
| Random Asian City to Country | 0 | - | 4.56 | 44,655 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 131,886 |
| Divided World City Name Puzzle #1 | 0 | - | 4.84 | 49,526 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 113,751 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,864 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,640 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 24,036 |
| Former Capitals | 0 | - | 4.88 | 71,751 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,973 |
| Capital Cities Chain | 0 | - | 4.84 | 83,594 |
| Coldest World Capitals | 0 | - | 4.95 | 134,373 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,922 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.88 | 127,620 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,604 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 78,307 |
| Flags to Capitals #1 | 0 | - | 4.96 | 61,775 |
| Flags to Capitals #2 | 0 | - | 4.95 | 45,104 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.87 | 94,755 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 228,261 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,794 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,945 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,344 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,897 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,287 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,469 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 37,141 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,781 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 34,106 |
| The Only Country ... | 0 | - | 4.91 | 82,141 |
| Which City in Germany? | 0 | - | 4.50 | 137,652 |
| Which City in Italy? | 0 | - | 4.68 | 90,696 |
| Which City in France? | 0 | - | 4.67 | 73,485 |
| Which City in Spain? | 0 | - | 4.50 | 50,174 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,245 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,817 |
| Biggest City by Body of Water | 0 | - | 4.51 | 40,350 |
| Southernmost Major Cities | 0 | - | 4.48 | 57,826 |
| U.S. City Prefixes and Suffixes | 0 | - | 4.48 | 73,172 |
| British Places A-Z | 0 | - | 4.29 | 80,164 |
| Cities with the Most Foreign Embassies | 0 | - | 4.69 | 47,249 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,095 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,679 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,720 |
| South American Cities on the Map | 0 | - | 4.52 | 35,592 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,826 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 152,034 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 139,129 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,310 |
| Random U.S. City to State | 0 | - | 4.45 | 77,082 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,689 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,156 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 49,207 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,369 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,497 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 44,239 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,850 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,312 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 66,066 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,560 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,667 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.64 | 16,265 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 134,621 |
