| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,683 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,500 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,521 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,521 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,771 |
| Random European Capital to Country | 0 | - | 4.98 | 191,195 |
| Random European Country to Capital | 0 | - | 4.93 | 165,361 |
| Europe Capital to Country | 0 | - | 4.99 | 250,815 |
| Asia Capital to Country | 0 | - | 4.96 | 126,845 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,170 |
| European Capitals by Map | 0 | - | 4.99 | 139,886 |
| African Capitals by Map | 0 | - | 4.99 | 134,123 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,396 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,607 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,276 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,607 |
| European Coastal Capitals | 0 | - | 4.95 | 90,784 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,660 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,751 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,490 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,909 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,512 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,689 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,194 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,009 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,277 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,535 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,392 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,232 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,671 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,281 |
| Capitals of the Stans | 0 | - | 4.95 | 26,905 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,736 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,584 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,580 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,936 |
| Random African Capital to Country | 0 | - | 4.97 | 100,864 |
| Random African Country to Capital | 0 | - | 4.94 | 71,365 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,045 |
| Name a City - European Countries | 0 | - | 4.90 | 65,590 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,041 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,931 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 51,071 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,902 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,296 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,865 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,181 |
| Countries in the Byzantine Empire | 0 | - | 4.95 | 72,252 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 110,931 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,361 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,207 |
| Roman Numeral Decoding Quiz | 0 | - | 4.94 | 437,880 |
| Official Cities in the UK | 0 | - | 4.89 | 284,438 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,889 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 32,112 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,220 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,692,505 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,361 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 149,167 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,174 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,988 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,661 |
| World Capitals Quiz | 0 | - | 5.00 | 5,082,872 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,325 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,520 |
| Modern Day Countries of Nazi Germany on a Map | 0 | - | 4.97 | 144,924 |
| Figures from Greek Mythology | 0 | - | 4.91 | 187,653 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,287 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,498 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,266 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,966 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,590,317 |
| Asian Coastal Capitals | 0 | - | 4.52 | 22,203 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 65,941 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,388 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,291 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 16,027 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,738 |
| Which City in Europe? | 0 | - | 4.83 | 107,543 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,427 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,514 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,536 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,660 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,469 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,284 |
| Countries by Capital City | 0 | - | 5.00 | 68,605 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,356 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,794 |
| World Capitals by Proximity | 0 | - | 4.91 | 332,053 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,388 |
| Moved Capital Cities | 0 | - | 4.96 | 74,330 |
| Random Capital to Country | 0 | - | 4.99 | 2,594,314 |
| World Capitals Closest to Madrid | 0 | - | 4.50 | 42,427 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,625 |
| Random Country to Capital | 0 | - | 4.98 | 922,587 |
| Speed Capital to U.S. State | 0 | - | 4.45 | 114,127 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 39,075 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,803 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,719 |
| US States and State Capitals | 0 | - | 4.99 | 163,410 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,397 |
| Which City in Canada? | 0 | - | 4.83 | 57,139 |
| Random European Countries on a Map | 0 | - | 4.97 | 284,235 |
| Europe Map with Random Merged Countries | 0 | - | 4.97 | 319,251 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,393 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,144 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,179 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,746 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,980 |
| North American Sports Cities | 0 | - | 4.83 | 172,623 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,382 |
| Cities in European History #1 | 0 | - | 4.63 | 134,185 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,612 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,617 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,382 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,791 |
| North America Cities by Map | 0 | - | 4.41 | 47,840 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,903 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,148 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 46,165 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 215,463 |
| Random European City to Country | 0 | - | 4.69 | 117,860 |
| Random Asian City to Country | 0 | - | 4.56 | 44,560 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,456 |
| Cities with the Biggest Economies | 0 | - | 4.90 | 131,074 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,530 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,990 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,923 |
| Name a Valid World City | 0 | - | 4.83 | 71,432 |
| Cities by Former Name | 0 | - | 4.83 | 91,701 |
| Former Capitals | 0 | - | 4.88 | 71,514 |
| India State Capitals Quiz | 0 | - | 4.28 | 59,751 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,473 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,745 |
| World Capitals Closest to Jerusalem | 0 | - | 4.47 | 44,994 |
| Capital Cities Chain | 0 | - | 4.83 | 82,926 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,548 |
| Coldest World Capitals | 0 | - | 4.95 | 133,649 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,380 |
| World Capitals by Map | 0 | - | 5.00 | 287,352 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,449 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,750 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 201,444 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 91,096 |
| Capitals Starting With H | 0 | - | 4.91 | 92,707 |
| Capitals Starting With K | 0 | - | 4.88 | 83,752 |
| Capitals Starting With L | 0 | - | 4.81 | 88,234 |
| Capitals Starting With M | 0 | - | 4.93 | 108,038 |
| Capitals Starting With P | 0 | - | 4.88 | 78,332 |
| Capitals Starting With R | 0 | - | 4.87 | 81,968 |
| Capitals Starting With S | 0 | - | 4.90 | 85,940 |
| Capitals Starting With T | 0 | - | 4.84 | 76,294 |
| Capitals Starting With W | 0 | - | 4.86 | 91,387 |
| Capitals Starting With A | 0 | - | 4.97 | 128,268 |
| Capitals Starting With B | 0 | - | 4.89 | 118,686 |
| Capitals Starting With D | 0 | - | 4.93 | 96,609 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,764 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,269 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,982 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,587 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.64 | 33,995 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,526 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,305 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,199 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,629 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,324 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,570 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,514 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,767 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,655 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,670 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,964 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,412 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,572 |
| South American Cities on the Map | 0 | - | 4.53 | 35,464 |
| 1M Cities by Proximity - United States | 0 | - | 4.63 | 150,810 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,773 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 41,016 |
| Random U.S. City to State | 0 | - | 4.45 | 76,498 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,488 |
| Divided World City Name Puzzle #1 | 0 | - | 4.87 | 48,948 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,535 |
| German Cities with the Most Tourists | 0 | - | 4.77 | 48,911 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,480 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 33,150 |
| Divided World City Name Puzzle #2 | 0 | - | 4.83 | 37,162 |
| U.S. Cities With Spanish Names | 0 | - | 4.94 | 23,394 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,853 |
| Capitals A-Z #1 | 0 | - | 4.86 | 51,602 |
| Capital Cities by Body of Water | 0 | - | 4.85 | 57,725 |
| Most Guessed Capitals on JetPunk | 0 | - | 4.87 | 126,646 |
| Capitals of Countries with the Biggest Economies | 0 | - | 4.93 | 95,241 |
| Flags to Capitals #1 | 0 | - | 4.96 | 58,581 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,507 |
| Category Elimination - Capital Cities #1 | 0 | - | 4.88 | 133,368 |
| Five Most Guessed Capital Cities by Continent | 0 | - | 4.86 | 94,228 |
| Random World Capitals on a Map | 0 | - | 4.93 | 134,858 |
| Category Elimination - Capital Cities #2 | 0 | - | 4.89 | 80,732 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,491 |
| Asian Capital Superlatives - Top 2 | 0 | - | 4.37 | 28,126 |
