| Nordic Countries and Capitals | 0 | - | 4.95 | 83,695 |
| Random European Capital to Country | 0 | - | 4.98 | 190,989 |
| Random European Country to Capital | 0 | - | 4.93 | 165,202 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,490 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,790 |
| Random African Capital to Country | 0 | - | 4.97 | 100,763 |
| Random African Country to Capital | 0 | - | 4.94 | 71,255 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,690,393 |
| Name a City - European Countries | 0 | - | 4.90 | 65,430 |
| Africa Capitals Quiz | 0 | - | 4.99 | 738,163 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,407 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,202 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,149 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,940 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,752 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,161 |
| Europe Capital to Country | 0 | - | 4.99 | 250,445 |
| Asia Capital to Country | 0 | - | 4.96 | 126,710 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,954 |
| European Capitals by Map | 0 | - | 4.99 | 139,359 |
| African Capitals by Map | 0 | - | 4.99 | 133,876 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,469 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,119 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,462 |
| European Coastal Capitals | 0 | - | 4.95 | 90,642 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,606 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,195 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,164 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,856 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,664 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,986 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,937 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,393 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,862 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,463 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,620 |
| Official Cities in the UK | 0 | - | 4.89 | 283,949 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,677 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,988 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,520 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,078 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,318 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,871 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,210 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,412 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,318 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,076 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,193 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,100 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,933 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,837 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,538 |
| World Capitals Quiz | 0 | - | 5.00 | 5,076,357 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,129 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,468 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,192 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,089 |
| Capitals of the Stans | 0 | - | 4.95 | 26,859 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,587,432 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,535 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,537 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,315 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,239 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,085 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,852 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,594 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,012 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,841 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,007 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,772 |
| Which City in Europe? | 0 | - | 4.83 | 107,434 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,926 |
| North American Sports Cities | 0 | - | 4.83 | 172,435 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,343 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,215 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,420 |
| Name a Valid World City | 0 | - | 4.83 | 71,265 |
| Find the City #1 | 0 | - | 4.97 | 42,836 |
| Cities by Former Name | 0 | - | 4.83 | 91,601 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,419 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,307 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,447 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,680 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,543 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,289 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,079 |
| Countries by Capital City | 0 | - | 5.00 | 68,360 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,214 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,686 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,481 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,249 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,253 |
| Moved Capital Cities | 0 | - | 4.96 | 74,238 |
| World Capitals by Map | 0 | - | 5.00 | 286,648 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,345 |
| Random Capital to Country | 0 | - | 4.99 | 2,592,240 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,579 |
| Random Country to Capital | 0 | - | 4.98 | 921,056 |
| Capitals Starting With H | 0 | - | 4.91 | 92,613 |
| Capitals Starting With K | 0 | - | 4.88 | 83,600 |
| Capitals Starting With L | 0 | - | 4.81 | 88,140 |
| Capitals Starting With M | 0 | - | 4.93 | 107,877 |
| Capitals Starting With P | 0 | - | 4.88 | 78,247 |
| Capitals Starting With R | 0 | - | 4.87 | 81,884 |
| Capitals Starting With S | 0 | - | 4.90 | 85,837 |
| Capitals Starting With T | 0 | - | 4.85 | 76,204 |
| Capitals Starting With W | 0 | - | 4.87 | 91,332 |
| Capitals Starting With A | 0 | - | 4.97 | 128,140 |
| Capitals Starting With B | 0 | - | 4.89 | 118,564 |
| Capitals Starting With D | 0 | - | 4.93 | 96,506 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,018 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,049 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,778 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,698 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,086 |
| US States and State Capitals | 0 | - | 4.99 | 162,675 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,299 |
| Which City in Canada? | 0 | - | 4.83 | 57,091 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,027 |
| Colour in the Flag Map by Guessing Cities #2 | 0 | - | 4.70 | 49,610 |
| Cities in European History #1 | 0 | - | 4.63 | 134,056 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,593 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,571 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,358 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,767 |
| North America Cities by Map | 0 | - | 4.41 | 47,817 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,888 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,132 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,032 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,152 |
| Random European City to Country | 0 | - | 4.69 | 117,720 |
| Random Asian City to Country | 0 | - | 4.56 | 44,542 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 130,946 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,873 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,836 |
| Former Capitals | 0 | - | 4.88 | 71,475 |
| Capital Cities Chain | 0 | - | 4.84 | 82,787 |
| Coldest World Capitals | 0 | - | 4.95 | 133,578 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,608 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,947 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 67,331 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,748 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,236 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,951 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,555 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,982 |
| Random U.S. States on a Map | 0 | - | 4.96 | 626,759 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,484 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,947 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,356 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,538 |
| South American Cities on the Map | 0 | - | 4.53 | 35,432 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,720 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,662 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,392 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,957 |
| Random U.S. City to State | 0 | - | 4.45 | 76,339 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,448 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,833 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,408 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,860 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,099 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,062 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,285 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,249 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,763 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,541 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,206 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,680 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,186 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,465 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,914 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,355 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,220 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,182 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,999 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,481 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,428 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,122 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,094 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,653 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,687 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,673 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,565 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,397 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,197 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,424 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,154 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,202 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,630 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,237 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.49 | 26,069 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,844 |
| Sydney Suburbs | 0 | - | 4.64 | 37,858 |
| European Cities by Clue | 0 | - | 4.70 | 89,065 |
| The Only Country ... | 0 | - | 4.91 | 81,172 |
| Boroughs of London | 0 | - | 4.63 | 87,952 |
| London Geography | 0 | - | 4.47 | 59,689 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,701 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,226 |
