| US States and State Capitals | 0 | - | 4.99 | 165,950 |
| Countries Similar to U.S. States by Population | 0 | - | 4.91 | 71,945 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,659 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 89,983 |
| Which City in Canada? | 0 | - | 4.83 | 57,404 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,383 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,013 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,923 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 104,859 |
| Name a City - European Countries | 0 | - | 4.89 | 66,373 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,666 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,332 |
| Europe Capital to Country | 0 | - | 4.99 | 252,549 |
| Asia Capital to Country | 0 | - | 4.96 | 127,682 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,263 |
| European Capitals by Map | 0 | - | 4.99 | 142,502 |
| African Capitals by Map | 0 | - | 4.99 | 142,567 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,107 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,114 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,375 |
| European Coastal Capitals | 0 | - | 4.95 | 91,483 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,266 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,250 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,209 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,237 |
| Random Europe Capitals Mystery Route | 0 | - | 4.98 | 84,067 |
| Official Cities in the UK | 0 | - | 4.89 | 286,829 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,582 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,631 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,356 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,713 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,306 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,485 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,657 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,057 |
| Europe Capitals Mystery Route | 0 | - | 4.97 | 55,820 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,812 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,428 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,111 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,782 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,520 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,594 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,406 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,111 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,773 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,260 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,423 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,247 |
| Cities in the Dallas Metro Area on a Map | 0 | - | 4.63 | 8,767 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,402 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,786 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,952 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,680 |
| Washington D.C. Trivia | 0 | - | 4.45 | 39,150 |
| Dallas City Trivia | 0 | - | 4.46 | 6,875 |
| Capitals of the Stans | 0 | - | 4.95 | 27,227 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,217 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,960 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,606 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,433 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,132 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,579 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,931 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,163 |
| Random European Capital to Country | 0 | - | 4.98 | 192,340 |
| Random European Country to Capital | 0 | - | 4.93 | 166,072 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,086 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,567 |
| Random African Capital to Country | 0 | - | 4.97 | 101,470 |
| Random African Country to Capital | 0 | - | 4.94 | 71,880 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,892 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,452 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,842 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,507 |
| European Capitals by Airport Code | 0 | - | 4.93 | 36,972 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,786 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,795 |
| Cities on Interstate 95 on a Map | 0 | - | 4.48 | 23,689 |
| U.S. City Nicknames | 0 | - | 4.26 | 103,888 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 107,187 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,596 |
| Every City in Arizona on a Map | 0 | - | 4.53 | 9,631 |
| Every City in Colorado on a Map | 0 | - | 4.49 | 13,580 |
| Every City in Washington State on a Map | 0 | - | 4.54 | 14,345 |
| Every City in Alabama on a Map | 0 | - | 4.74 | 8,707 |
| Every City in Michigan on a Map | 0 | - | 4.44 | 9,817 |
| Ultimate Rust Belt City Quiz | 0 | - | 4.63 | 14,760 |
| Every City in New York on the Map | 0 | - | 4.43 | 11,951 |
| World Capitals by Proximity | 0 | - | 4.91 | 334,397 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 41,202 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,318 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 51,432 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,560 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,832 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,377 |
| Which City in Europe? | 0 | - | 4.83 | 107,996 |
| New York City Trivia #1 | 0 | - | 4.08 | 35,817 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,880 |
| U.S. Cities that Have Lost 100,000 People | 0 | - | 4.46 | 31,190 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,659 |
| Global Cities on a World Map | 0 | - | 4.93 | 137,498 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.64 | 56,023 |
| Find the City #1 | 0 | - | 4.97 | 43,427 |
| Northernmost Capital Cities | 0 | - | 4.98 | 111,549 |
| Most Remote Capital Cities | 0 | - | 4.92 | 54,080 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 46,343 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 110,433 |
| Same Letter Country and Capital | 0 | - | 4.99 | 158,372 |
| Countries by Capital City | 0 | - | 5.00 | 69,614 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 78,136 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 115,350 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,951 |
| Moved Capital Cities | 0 | - | 4.96 | 74,731 |
| Random Capital to Country | 0 | - | 4.99 | 2,604,028 |
| World Capitals with a Unique First Letter | 0 | - | 4.83 | 75,860 |
| Random Country to Capital | 0 | - | 4.98 | 929,915 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,346 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,997 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,790 |
| Miami City Trivia | 0 | - | 4.60 | 11,272 |
| All About Atlanta | 0 | - | 4.60 | 11,298 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,817 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,281 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,686 |
| California Cities Map Quiz | 0 | - | 4.50 | 88,230 |
| Florida Cities Map Quiz | 0 | - | 4.48 | 61,035 |
| New York Cities Map Quiz | 0 | - | 4.55 | 42,397 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,252 |
| Rivers of the United States | 0 | - | 4.93 | 66,782 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,569 |
| Top 10 Least Densely-Populated Countries in Africa | 0 | - | 4.94 | 52,583 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,636 |
| North American Sports Cities | 0 | - | 4.82 | 173,289 |
| Summer Olympic City Bids | 0 | - | 4.94 | 42,600 |
| Cities in European History #1 | 0 | - | 4.63 | 134,727 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,479 |
| European Cities by Map #1 | 0 | - | 4.69 | 55,918 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,965 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,240 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 103,049 |
| Cities in Squares on a Map - Europe | 0 | - | 4.69 | 54,600 |
| Name a Valid World City | 0 | - | 4.85 | 72,129 |
| Cities by Former Name | 0 | - | 4.83 | 92,174 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,981 |
| Nearest Capital City #1 | 0 | - | 4.83 | 58,037 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 69,961 |
| World Capitals by Map | 0 | - | 5.00 | 289,930 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 58,926 |
| All First Level Subdivision Capitals | 0 | - | 4.82 | 15,285 |
| World Capitals Mystery Route | 0 | - | 4.98 | 56,148 |
| Bordering Countries Whose Capitals Are Furthest Apart | 0 | - | 4.99 | 51,364 |
| Capitals Starting With H | 0 | - | 4.91 | 93,441 |
| Capitals Starting With K | 0 | - | 4.89 | 84,503 |
| Capitals Starting With L | 0 | - | 4.81 | 96,077 |
| Capitals Starting With M | 0 | - | 4.94 | 109,361 |
| Capitals Starting With P | 0 | - | 4.88 | 79,117 |
| Capitals Starting With R | 0 | - | 4.89 | 82,601 |
| Capitals Starting With S | 0 | - | 4.90 | 86,689 |
| Capitals Starting With T | 0 | - | 4.86 | 76,938 |
| Capitals Starting With W | 0 | - | 4.87 | 91,794 |
| Capitals Starting With A | 0 | - | 4.97 | 129,268 |
| Capitals Starting With B | 0 | - | 4.89 | 119,638 |
| Capitals Starting With D | 0 | - | 4.94 | 97,309 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,699 |
| Snowiest U.S. State Capitals | 0 | - | 4.44 | 28,686 |
| US State Capitals - One Minute Sprint | 0 | - | 4.04 | 184,960 |
| U.S. State Capitals Closest to Denver | 0 | - | 4.45 | 10,688 |
| Hottest U.S. State Capitals | 0 | - | 4.77 | 29,339 |
| Coldest U.S. State Capitals | 0 | - | 4.63 | 23,953 |
| U.S. State Capitals with the Least Precipitation | 0 | - | 4.41 | 23,318 |
| Which City in the United States? | 0 | - | 4.21 | 57,217 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,882 |
| Which City in Latin America? | 0 | - | 4.63 | 47,176 |
| Countries that Visit Florida the Most | 0 | - | 4.70 | 72,839 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,821 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 58,527 |
| U.S. State Flags | 0 | - | 4.89 | 173,417 |
| Hawaiian Islands | 0 | - | 4.83 | 43,001 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,021 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,570 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 61,438 |
| Random U.S. States Mouse Hunt! | 0 | - | 4.95 | 195,497 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,876 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,558,135 |
| Category Elimination - U.S. States #1 | 0 | - | 4.88 | 222,715 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 135,795 |
| Single Vowel Capitals | 0 | - | 4.83 | 14,764 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,595 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,897 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,433 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,269 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,083 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,967 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,347 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,480 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,320 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,600 |
| Largest U.S. Cities on State Borders | 0 | - | 4.38 | 20,260 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,446 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,517 |
