| US States and State Capitals | 0 | - | 4.99 | 163,227 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 71,036 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,508 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 89,181 |
| Which City in Canada? | 0 | - | 4.83 | 57,123 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,925 |
| Africa Capitals Quiz | 0 | - | 4.99 | 739,116 |
| Asia Capitals Quiz | 0 | - | 4.98 | 694,218 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,189 |
| Name a City - European Countries | 0 | - | 4.90 | 65,547 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,887 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,319 |
| Europe Capital to Country | 0 | - | 4.99 | 250,715 |
| Asia Capital to Country | 0 | - | 4.96 | 126,791 |
| EU Capitals with No Hints | 0 | - | 4.96 | 146,111 |
| European Capitals by Map | 0 | - | 4.99 | 139,772 |
| African Capitals by Map | 0 | - | 4.99 | 134,076 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,584 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,240 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,574 |
| European Coastal Capitals | 0 | - | 4.95 | 90,751 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,647 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,573 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,390 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,896 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 82,633 |
| Official Cities in the UK | 0 | - | 4.89 | 284,308 |
| South America Capitals Quiz | 0 | - | 5.00 | 482,206 |
| North America Capitals Quiz | 0 | - | 4.99 | 220,377 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,637 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,161 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,462 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,967 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,257 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,518 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,138 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,370 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,163 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,892 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,603 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,267 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,323 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,240 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,316 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 148,937 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 94,112 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,946 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,614 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,635 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,084 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,210 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,612 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,260 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,041 |
| Dallas City Trivia | 0 | - | 4.46 | 6,840 |
| Capitals of the Stans | 0 | - | 4.95 | 26,894 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,485 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,756 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,984 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,359 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,599 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,681 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,570 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,752 |
| Random European Capital to Country | 0 | - | 4.98 | 191,122 |
| Random European Country to Capital | 0 | - | 4.93 | 165,325 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,560 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,892 |
| Random African Capital to Country | 0 | - | 4.97 | 100,823 |
| Random African Country to Capital | 0 | - | 4.94 | 71,343 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,761 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,262 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,642 |
| Melbourne Suburbs | 0 | - | 4.86 | 53,470 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,332 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,415 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,431 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,558 |
| U.S. City Nicknames | 0 | - | 4.25 | 103,726 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 106,218 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,945 |
| Every City in Arizona on a Map | 0 | - | 4.51 | 9,393 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,324 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 13,954 |
| Every City in Alabama on a Map | 0 | - | 4.73 | 8,515 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,504 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.61 | 14,648 |
| World Capitals by Proximity | 0 | - | 4.91 | 331,928 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,028 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,906 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,056 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,875 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,270 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,175 |
| Which City in Europe? | 0 | - | 4.83 | 107,515 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,736 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 507,472 |
| U.S. Cities that Have Lost 100,000 People | 0 | - | 4.49 | 30,199 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,002 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,381 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,741 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 55,555 |
| Find the City #1 | 0 | - | 4.97 | 42,904 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,462 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,510 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,627 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,423 |
| Same Letter Country and Capital | 0 | - | 4.99 | 157,233 |
| Countries by Capital City | 0 | - | 5.00 | 68,546 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,311 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,769 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,343 |
| Moved Capital Cities | 0 | - | 4.96 | 74,300 |
| Random Capital to Country | 0 | - | 4.99 | 2,593,666 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,619 |
| Random Country to Capital | 0 | - | 4.98 | 922,201 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,801 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,868 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,719 |
| Miami City Trivia | 0 | - | 4.60 | 11,242 |
| All About Atlanta | 0 | - | 4.60 | 11,260 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,778 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,503 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,216 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,017 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 60,923 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,257 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,612 |
| Rivers of the United States | 0 | - | 4.93 | 66,285 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,014 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 51,893 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,392 |
| North American Sports Cities | 0 | - | 4.83 | 172,578 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,374 |
| Cities in European History #1 | 0 | - | 4.63 | 134,148 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,373 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,783 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,899 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,146 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,500 |
| Cities in Squares on a Map - Europe | 0 | - | 4.70 | 53,952 |
| Name a Valid World City | 0 | - | 4.83 | 71,395 |
| Cities by Former Name | 0 | - | 4.83 | 91,664 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,455 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,731 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,340 |
| World Capitals by Map | 0 | - | 5.00 | 287,227 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,423 |
| All First Level Subdivision Capitals | 0 | - | 4.81 | 15,170 |
| World Capitals Mystery Route | 0 | - | 4.98 | 55,593 |
| Bordering Countries Whose Capitals Are Furthest Apart | 0 | - | 4.99 | 50,959 |
| Capitals Starting With H | 0 | - | 4.91 | 92,678 |
| Capitals Starting With K | 0 | - | 4.88 | 83,725 |
| Capitals Starting With L | 0 | - | 4.81 | 88,207 |
| Capitals Starting With M | 0 | - | 4.93 | 108,002 |
| Capitals Starting With P | 0 | - | 4.88 | 78,313 |
| Capitals Starting With R | 0 | - | 4.87 | 81,950 |
| Capitals Starting With S | 0 | - | 4.90 | 85,919 |
| Capitals Starting With T | 0 | - | 4.85 | 76,272 |
| Capitals Starting With W | 0 | - | 4.87 | 91,374 |
| Capitals Starting With A | 0 | - | 4.97 | 128,225 |
| Capitals Starting With B | 0 | - | 4.89 | 118,661 |
| Capitals Starting With D | 0 | - | 4.93 | 96,586 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,510 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,622 |
| US State Capitals - One Minute Sprint | 0 | - | 4.05 | 184,154 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,638 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,224 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,893 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,275 |
| Which City in the United States? | 0 | - | 4.21 | 57,038 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,376 |
| Which City in Latin America? | 0 | - | 4.63 | 47,058 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,386 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,294 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,201 |
| U.S. State Flags | 0 | - | 4.88 | 171,100 |
| Hawaiian Islands | 0 | - | 4.83 | 42,758 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,365 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,362 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 60,684 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.94 | 192,928 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,120 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,543,284 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 221,161 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 134,488 |
| Single Vowel Capitals | 0 | - | 4.81 | 14,516 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,287 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,216 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,129 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,570 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,288 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,544 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,250 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,182 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,442 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,141 |
| Largest U.S. Cities on State Borders | 0 | - | 4.38 | 20,178 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,230 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,277 |
