| Which City in Europe? | 0 | - | 4.83 | 107,012 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,910 |
| Which City in Canada? | 0 | - | 4.82 | 56,862 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,972 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,113 |
| European Cities by Clue | 0 | - | 4.70 | 88,952 |
| Which City in Africa? | 0 | - | 4.77 | 57,708 |
| Which City in Asia? | 0 | - | 4.52 | 51,258 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,317 |
| Random State Capital to U.S. State | 0 | - | 4.83 | 88,626 |
| Smaller U.S. Cities You May Know #1 | 0 | - | 4.45 | 19,663 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,984 |
| Which City in Latin America? | 0 | - | 4.63 | 46,936 |
| Which City in Australia? | 0 | - | 4.67 | 34,335 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,064 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,255 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,674 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,751 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,665 |
| Which City in Germany? | 0 | - | 4.50 | 135,829 |
| Which City in the United States? | 0 | - | 4.21 | 56,849 |
| Which City in Italy? | 0 | - | 4.64 | 89,735 |
| Which City in France? | 0 | - | 4.64 | 72,863 |
| Which City in Spain? | 0 | - | 4.50 | 49,809 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,218 |
| Africa Capitals Quiz | 0 | - | 4.99 | 733,804 |
| Asia Capitals Quiz | 0 | - | 4.98 | 689,203 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,635 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,456 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,420 |
| Name a City - European Countries | 0 | - | 4.91 | 64,884 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,502 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,806 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,242 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,839 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,996 |
| Which City in California? | 0 | - | 4.56 | 31,972 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,774 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,116 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,483 |
| Europe Capital to Country | 0 | - | 4.99 | 248,956 |
| Asia Capital to Country | 0 | - | 4.96 | 126,188 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,175 |
| European Capitals by Map | 0 | - | 4.99 | 137,808 |
| African Capitals by Map | 0 | - | 4.99 | 132,881 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,746 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,621 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,000 |
| European Coastal Capitals | 0 | - | 4.95 | 90,143 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,366 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 268,303 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,909 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,597 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,111 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,223 |
| Official Cities in the UK | 0 | - | 4.89 | 282,205 |
| Random U.S. City to State | 0 | - | 4.45 | 75,777 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,114 |
| South America Capitals Quiz | 0 | - | 5.00 | 479,293 |
| North America Capitals Quiz | 0 | - | 4.99 | 218,296 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 62,006 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,710 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,638 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,527 |
| European Capitals Furthest from the Sea | 0 | - | 4.91 | 81,934 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,842 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,006 |
| Which City in Texas? | 0 | - | 4.45 | 25,034 |
| Which City in Florida? | 0 | - | 4.61 | 10,956 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,669 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,199 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,111 |
| World Capitals Quiz | 0 | - | 5.00 | 5,051,452 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,743 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,921 |
| US States and State Capitals | 0 | - | 4.99 | 160,294 |
| Capitals of the Stans | 0 | - | 4.95 | 26,608 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 95,152 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,517 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,321 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 150,133 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.73 | 40,769 |
| Random European City to Country | 0 | - | 4.69 | 117,062 |
| Random Asian City to Country | 0 | - | 4.56 | 44,436 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,944 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,444 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,578,144 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,931 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,361 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,963 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,333 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,453 |
| Random European Capital to Country | 0 | - | 4.98 | 189,952 |
| Random European Country to Capital | 0 | - | 4.92 | 154,086 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,777 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,873 |
| Random African Capital to Country | 0 | - | 4.97 | 100,103 |
| Random African Country to Capital | 0 | - | 4.94 | 70,636 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,432 |
| Melbourne Suburbs | 0 | - | 4.84 | 52,381 |
| Cities that End in T by Clue | 0 | - | 4.70 | 17,182 |
| New York City A-Z | 0 | - | 4.18 | 32,240 |
| European Capitals by Airport Code | 0 | - | 4.93 | 35,832 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,042 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,929 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,884 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 138,088 |
| Cities that End in D by Clue | 0 | - | 4.49 | 26,760 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,454 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,773 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,913 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,732 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,150 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,651 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,486 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,502 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,622 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,680 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,619 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,062 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,077 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,340 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,195 |
| Countries by Capital City | 0 | - | 5.00 | 67,500 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,762 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,263 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,716 |
| Moved Capital Cities | 0 | - | 4.96 | 73,895 |
| Random Capital to Country | 0 | - | 4.99 | 2,584,487 |
| World Capitals with a Unique First Letter | 0 | - | 4.82 | 75,161 |
| Random Country to Capital | 0 | - | 4.98 | 915,188 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,718 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,328 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,971 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,713 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,603 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 183,258 |
| Boroughs of New York City | 0 | - | 4.47 | 84,335 |
| Washington D.C. Trivia | 0 | - | 4.45 | 38,933 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,711,961 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,815 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,750 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,434 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,349 |
| North American Sports Cities | 0 | - | 4.83 | 171,401 |
| Summer Olympic City Bids | 0 | - | 4.93 | 42,045 |
| Cities in European History #1 | 0 | - | 4.63 | 133,561 |
| U.S. Cities with the Most Skyscrapers | 0 | - | 4.89 | 95,439 |
| European Cities by Map #2 | 0 | - | 4.49 | 47,265 |
| European Cities by Map #1 | 0 | - | 4.67 | 55,646 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,842 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,074 |
| Most Guessed Cities by Country #3 | 0 | - | 4.89 | 45,556 |
| Summer Olympics Host Cities | 0 | - | 4.98 | 213,977 |
| ALL California Cities | 0 | - | 4.37 | 42,938 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,711 |
| Cities in U.S. History #1 | 0 | - | 4.31 | 45,328 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 130,118 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,047 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,472 |
| Five Most Guessed Cities by Continent | 0 | - | 4.96 | 112,551 |
| Random Cities Near Paris on a Map | 0 | - | 4.55 | 39,410 |
| Name a Valid World City | 0 | - | 4.83 | 70,639 |
| Cities by Former Name | 0 | - | 4.84 | 91,279 |
| U.S. Cities with the Least Precipitation | 0 | - | 4.42 | 12,426 |
| Former Capitals | 0 | - | 4.88 | 71,290 |
| Capitals in their Native Languages | 0 | - | 4.95 | 133,218 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,453 |
| Capital Cities Chain | 0 | - | 4.84 | 82,268 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 246,176 |
| Coldest World Capitals | 0 | - | 4.95 | 133,222 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,535 |
| World Capitals by Map | 0 | - | 5.00 | 284,857 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,991 |
| Capital Cities with Spanish Names | 0 | - | 4.90 | 77,153 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,601 |
| Name a Valid Capital #1 | 0 | - | 4.96 | 90,405 |
| Countries and Capitals of the World With a Map | 0 | - | 5.00 | 65,924 |
| Capitals Starting With H | 0 | - | 4.90 | 91,740 |
| Capitals Starting With K | 0 | - | 4.85 | 75,950 |
| Capitals Starting With L | 0 | - | 4.81 | 87,160 |
| Capitals Starting With M | 0 | - | 4.93 | 106,603 |
| Capitals Starting With P | 0 | - | 4.88 | 77,456 |
| Capitals Starting With R | 0 | - | 4.87 | 81,239 |
| Capitals Starting With S | 0 | - | 4.89 | 85,084 |
| Capitals Starting With T | 0 | - | 4.84 | 75,569 |
| Capitals Starting With W | 0 | - | 4.87 | 90,861 |
| Capitals Starting With A | 0 | - | 4.97 | 126,960 |
| Capitals Starting With B | 0 | - | 4.89 | 117,646 |
| Capitals Starting With D | 0 | - | 4.93 | 95,715 |
| Word Puzzles - U.S. State Capitals | 0 | - | 4.63 | 34,649 |
| U.S. State Capitals Where it Doesn't Snow | 0 | - | 4.56 | 51,129 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,985 |
| U.S. State Capital Etymology | 0 | - | 4.53 | 36,861 |
| U.S. State Capitals Closest to Canada | 0 | - | 4.63 | 33,906 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,369 |
| Los Angeles A-Z | 0 | - | 4.20 | 9,493 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,323,618 |
| Random American Countries on a Map | 0 | - | 4.96 | 99,036 |
| Rust Belt Cities Map Quiz | 0 | - | 4.57 | 34,969 |
