| Nordic Countries and Capitals | 0 | - | 4.95 | 83,253 |
| Random European Capital to Country | 0 | - | 4.98 | 189,666 |
| Random European Country to Capital | 0 | - | 4.92 | 147,771 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,605 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,709 |
| Random African Capital to Country | 0 | - | 4.97 | 99,949 |
| Random African Country to Capital | 0 | - | 4.94 | 70,436 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,681,815 |
| Name a City - European Countries | 0 | - | 4.91 | 64,752 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,845 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,425 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,779 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,973 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,013 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,970 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,323 |
| Europe Capital to Country | 0 | - | 4.99 | 248,664 |
| Asia Capital to Country | 0 | - | 4.96 | 126,077 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,973 |
| European Capitals by Map | 0 | - | 4.99 | 137,432 |
| African Capitals by Map | 0 | - | 4.99 | 132,710 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,643 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,529 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,900 |
| European Coastal Capitals | 0 | - | 4.95 | 90,036 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,312 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,931 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,584 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,541 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,994 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,591 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,492 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,360 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,279 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,979 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,211 |
| Official Cities in the UK | 0 | - | 4.89 | 281,651 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,763 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,946 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,911 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,647 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,501 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,435 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,882 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,752 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,949 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,535 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,537 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,864 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,878 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,159 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,036 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,232 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,673 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,491 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,864 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,553 |
| Capitals of the Stans | 0 | - | 4.95 | 26,570 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,197 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,815 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,320 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,186 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,720 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,359 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,351 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,443 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,879 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,417 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,765 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,149 |
| Which City in Europe? | 0 | - | 4.83 | 106,956 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,362 |
| North American Sports Cities | 0 | - | 4.83 | 171,290 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,013 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,334 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,981 |
| Name a Valid World City | 0 | - | 4.83 | 70,467 |
| Find the City #1 | 0 | - | 4.97 | 42,433 |
| Cities by Former Name | 0 | - | 4.84 | 91,200 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,178 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,454 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,975 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,397 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,948 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,156 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,017 |
| Countries by Capital City | 0 | - | 5.00 | 67,286 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,637 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,172 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,114 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,622 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,380 |
| Moved Capital Cities | 0 | - | 4.96 | 73,819 |
| World Capitals by Map | 0 | - | 5.00 | 284,516 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,911 |
| Random Capital to Country | 0 | - | 4.99 | 2,582,894 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 74,919 |
| Random Country to Capital | 0 | - | 4.98 | 914,262 |
| Capitals Starting With H | 0 | - | 4.90 | 91,650 |
| Capitals Starting With K | 0 | - | 4.85 | 75,891 |
| Capitals Starting With L | 0 | - | 4.81 | 87,074 |
| Capitals Starting With M | 0 | - | 4.93 | 106,477 |
| Capitals Starting With P | 0 | - | 4.88 | 77,393 |
| Capitals Starting With R | 0 | - | 4.87 | 81,159 |
| Capitals Starting With S | 0 | - | 4.89 | 85,020 |
| Capitals Starting With T | 0 | - | 4.84 | 75,485 |
| Capitals Starting With W | 0 | - | 4.89 | 90,798 |
| Capitals Starting With A | 0 | - | 4.97 | 126,834 |
| Capitals Starting With B | 0 | - | 4.89 | 117,543 |
| Capitals Starting With D | 0 | - | 4.93 | 95,626 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,676 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,954 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,701 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,583 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,966 |
| US States and State Capitals | 0 | - | 4.99 | 159,819 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,829 |
| Which City in Canada? | 0 | - | 4.82 | 56,827 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,873 |
| Colour in the Flag Map by Guessing Cities #2 | 0 | - | 4.70 | 49,323 |
| Cities in European History #1 | 0 | - | 4.63 | 133,469 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,503 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,413 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,248 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,624 |
| North America Cities by Map | 0 | - | 4.41 | 47,682 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,832 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,057 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,472 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,751 |
| Random European City to Country | 0 | - | 4.69 | 116,882 |
| Random Asian City to Country | 0 | - | 4.56 | 44,428 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,009 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,393 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,503 |
| Former Capitals | 0 | - | 4.88 | 71,247 |
| Capital Cities Chain | 0 | - | 4.84 | 82,166 |
| Coldest World Capitals | 0 | - | 4.95 | 133,183 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,062 |
| All First Level Subdivision Capitals | 0 | - | 4.85 | 15,028 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,276 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,651 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,636 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,099 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,840 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,407 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,894 |
| Random U.S. States on a Map | 0 | - | 4.96 | 623,264 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,874 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,113 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,398 |
| South American Cities on the Map | 0 | - | 4.56 | 35,294 |
| Southeast Asian Cities by Map | 0 | - | 4.63 | 26,629 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,057 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,036 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,717 |
| Random U.S. City to State | 0 | - | 4.45 | 75,584 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,269 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,280 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,893 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,539 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,917 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 36,626 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,088 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 22,594 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,390 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,249 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,394 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,081 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.89 | 125,767 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,834 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,222 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,909 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 94,866 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 15,875 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,097 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,095 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.87 | 131,979 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 93,710 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,689 |
| Random World Capitals on a Map | 0 | - | 4.93 | 133,667 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,378 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 79,857 |
| World Capitals in the Answer | 0 | - | 4.94 | 76,548 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,880 |
| Capital Cities with the Least Precipitation | 0 | - | 4.89 | 29,082 |
| US State Capitals by Proximity in 30 Seconds | 0 | - | 4.17 | 129,014 |
| US State Capitals by First Two Letters in 45 seconds | 0 | - | 4.09 | 58,076 |
| U.S State Capitals on the Sea | 0 | - | 4.53 | 26,143 |
| U.S. State Capitals with the Highest Elevation | 0 | - | 4.56 | 22,578 |
| Top 10 Most Remote U.S. State Capitals | 0 | - | 4.40 | 32,183 |
| U.S. State Capitals Furthest from the Sea | 0 | - | 4.48 | 26,023 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,718 |
| Sydney Suburbs | 0 | - | 4.64 | 37,243 |
| European Cities by Clue | 0 | - | 4.70 | 88,899 |
| The Only Country ... | 0 | - | 4.91 | 80,330 |
| Boroughs of London | 0 | - | 4.63 | 87,321 |
| London Geography | 0 | - | 4.47 | 59,541 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,946 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,984 |
