| Which City in Canada? | 0 | - | 4.83 | 56,645 |
| Which City in Europe? | 0 | - | 4.83 | 106,597 |
| 20 Chinese Cities Everyone Should Know | 0 | - | 4.81 | 38,984 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,317 |
| Random U.S. State Capitals on a Map | 0 | - | 4.92 | 103,152 |
| Cities by Wikipedia Descriptions #2 | 0 | - | 4.53 | 38,904 |
| U.S. Cities by Wikipedia Descriptions | 0 | - | 4.48 | 34,055 |
| Which City in the United States? | 0 | - | 4.21 | 56,652 |
| Which City in Latin America? | 0 | - | 4.63 | 46,835 |
| US States and State Capitals | 0 | - | 4.99 | 158,400 |
| European Cities by Clue | 0 | - | 4.70 | 88,793 |
| Which City in Africa? | 0 | - | 4.78 | 57,560 |
| Which City in Asia? | 0 | - | 4.51 | 51,097 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 501,649 |
| Which City in the Middle East? | 0 | - | 4.47 | 66,785 |
| Which City in Australia? | 0 | - | 4.67 | 34,216 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,299 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,713 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,790 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,169 |
| Asian Cities by Clue | 0 | - | 4.70 | 25,711 |
| European Cities by Wikipedia Descriptions | 0 | - | 4.45 | 54,559 |
| Which City in Germany? | 0 | - | 4.50 | 134,958 |
| Which City in Italy? | 0 | - | 4.55 | 78,141 |
| Which City in France? | 0 | - | 4.64 | 72,390 |
| Which City in Spain? | 0 | - | 4.50 | 49,428 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,229 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,969 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,605 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,877 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,048 |
| Name a City - European Countries | 0 | - | 4.92 | 64,348 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,248 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 50,608 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,800 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,511 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,874 |
| 20 Indian Cities Everyone Should Know | 0 | - | 4.42 | 25,743 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,318 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,757 |
| Europe Capital to Country | 0 | - | 4.99 | 247,488 |
| Asia Capital to Country | 0 | - | 4.96 | 125,711 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,402 |
| European Capitals by Map | 0 | - | 4.99 | 136,161 |
| African Capitals by Map | 0 | - | 4.99 | 132,115 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,081 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,149 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,579 |
| European Coastal Capitals | 0 | - | 4.95 | 89,715 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,172 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,660 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,689 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,407 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 142,312 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.57 | 31,168 |
| Official Cities in the UK | 0 | - | 4.89 | 280,421 |
| Random U.S. City to State | 0 | - | 4.45 | 75,299 |
| Name a Valid U.S. City over 100,000 | 0 | - | 4.42 | 40,006 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,096 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,767 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,633 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,383 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,081 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,146 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,683 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,416 |
| Europe Capitals Mystery Route | 0 | - | 4.96 | 54,198 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,745 |
| U.S. State Flags | 0 | - | 4.89 | 166,974 |
| Southernmost Major Cities in the U.S. | 0 | - | 4.43 | 36,456 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,160 |
| Random European City to Country | 0 | - | 4.69 | 116,290 |
| Random Asian City to Country | 0 | - | 4.56 | 44,386 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,848 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,766 |
| World Capitals Quiz | 0 | - | 5.00 | 5,029,702 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,377 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,647 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.58 | 42,651 |
| Las Vegas City Trivia | 0 | - | 4.52 | 13,710 |
| U.S. States Closest to Tokyo | 0 | - | 4.89 | 59,395 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 88,011 |
| Capitals of the Stans | 0 | - | 4.95 | 26,397 |
| U.S. Cities Chain | 0 | - | 4.21 | 35,133 |
| Cities that End in G by Clue | 0 | - | 4.60 | 21,257 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,570,406 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,412 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,179 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,997 |
| Random European Capital to Country | 0 | - | 4.98 | 189,150 |
| Random European Country to Capital | 0 | - | 4.92 | 147,399 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,341 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,373 |
| Random African Capital to Country | 0 | - | 4.97 | 99,713 |
| Random African Country to Capital | 0 | - | 4.94 | 70,198 |
| Name a Valid U.S. State Capital #1 | 0 | - | 4.75 | 54,324 |
| U.S. State Capitals in the Answer | 0 | - | 4.77 | 35,357 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,745 |
| Cities that End in T by Clue | 0 | - | 4.70 | 16,980 |
| Mississippi River States Empty Map Quiz | 0 | - | 4.81 | 55,593 |
| Random General Knowledge - U.S. States | 0 | - | 4.46 | 41,749 |
| European Capitals by Airport Code | 0 | - | 4.92 | 35,401 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,361 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,303 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,809 |
| U.S Cities by African-American Population | 0 | - | 4.42 | 94,707 |
| 1M Cities by Proximity - United States | 0 | - | 4.56 | 149,675 |
| U.S. Cities with the Highest Murder Rate | 0 | - | 4.55 | 137,652 |
| Biggest Cities in a Strip of the United States Map | 0 | - | 4.74 | 40,586 |
| Cities on Route 66 on a Map | 0 | - | 4.53 | 32,791 |
| Cities that End in D by Clue | 0 | - | 4.49 | 26,594 |
| Richest Metro Areas in the U.S. | 0 | - | 4.42 | 43,176 |
| World Capitals by Proximity | 0 | - | 4.91 | 328,260 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 40,792 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,751 |
| Name a Valid Asian Capital | 0 | - | 4.53 | 61,228 |
| Random Point on Land to US State | 0 | - | 4.57 | 68,569 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,426 |
| Northernmost Major Cities in the U.S. | 0 | - | 4.38 | 48,538 |
| Global Cities on a World Map | 0 | - | 4.93 | 134,706 |
| U.S. Cities with the Most Homeless People | 0 | - | 4.31 | 33,457 |
| Name a City - U.S. States | 0 | - | 4.41 | 26,531 |
| Random Cities Near Chicago on a Map | 0 | - | 4.52 | 34,204 |
| Category Elimination - U.S. Metro Areas | 0 | - | 4.41 | 26,596 |
| Name a City - Asian Countries | 0 | - | 4.41 | 19,378 |
| Name a City in Every European Country - No Capitals | 0 | - | 4.63 | 54,845 |
| Find the City #1 | 0 | - | 4.97 | 42,084 |
| Northernmost Capital Cities | 0 | - | 4.98 | 108,896 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,622 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,577 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 107,567 |
| Same Letter Country and Capital | 0 | - | 4.99 | 155,373 |
| Countries by Capital City | 0 | - | 5.00 | 66,576 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,295 |
| Capitals of the Largest Countries by Area | 0 | - | 4.96 | 113,875 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,394 |
| Moved Capital Cities | 0 | - | 4.96 | 73,561 |
| Random Capital to Country | 0 | - | 4.99 | 2,577,524 |
| Random Country to Capital | 0 | - | 4.98 | 911,361 |
| Speed Capital to U.S. State | 0 | - | 4.46 | 113,510 |
| 10 Southernmost U.S. State Capitals | 0 | - | 4.51 | 38,903 |
| 10 Northernmost U.S. State Capitals | 0 | - | 4.57 | 35,653 |
| 10 Easternmost U.S. State Capitals | 0 | - | 4.50 | 34,519 |
| Which City in California? | 0 | - | 4.56 | 31,876 |
| Boroughs of New York City | 0 | - | 4.47 | 84,083 |
| Seattle City Trivia | 0 | - | 4.20 | 26,232 |
| Washington D.C. Trivia | 0 | - | 4.44 | 38,611 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 206,613 |
| Win the U.S. Presidential Election | 0 | - | 4.80 | 618,182 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,592 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,086 |
| North American Sports Cities | 0 | - | 4.83 | 170,860 |
| Summer Olympic City Bids | 0 | - | 4.93 | 41,906 |
| Cities in European History #1 | 0 | - | 4.63 | 133,070 |
| European Cities by Map #2 | 0 | - | 4.48 | 47,187 |
| European Cities by Map #1 | 0 | - | 4.64 | 55,556 |
| Asian Cities by Map #1 | 0 | - | 4.50 | 40,800 |
| Mediterranean Cities by Map | 0 | - | 4.51 | 51,009 |
| Word Scramble - U.S. Cities | 0 | - | 4.13 | 19,629 |
| Cities in U.S. History #1 | 0 | - | 4.30 | 42,892 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 101,697 |
| Cities in Squares on a Map - Europe | 0 | - | 4.74 | 53,163 |
| Name a Valid World City | 0 | - | 4.83 | 70,090 |
| Cities by Former Name | 0 | - | 4.84 | 90,940 |
| Capitals in their Native Languages | 0 | - | 4.95 | 132,673 |
| Nearest Capital City #1 | 0 | - | 4.84 | 57,223 |
| World Capitals by First Two Letters in 90 Seconds | 0 | - | 4.35 | 245,795 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 67,888 |
| World Capitals by Map | 0 | - | 5.00 | 283,096 |
| Capital Cities in a Ring of the World Map | 0 | - | 4.95 | 57,640 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.40 | 200,200 |
| All First Level Subdivision Capitals | 0 | - | 4.84 | 14,972 |
| World Capitals Mystery Route | 0 | - | 4.97 | 54,628 |
| Capitals Starting With H | 0 | - | 4.90 | 90,675 |
| Capitals Starting With K | 0 | - | 4.85 | 75,655 |
| Capitals Starting With L | 0 | - | 4.81 | 86,799 |
| Capitals Starting With M | 0 | - | 4.93 | 106,007 |
| Capitals Starting With P | 0 | - | 4.88 | 77,159 |
| Capitals Starting With R | 0 | - | 4.87 | 80,948 |
| Capitals Starting With S | 0 | - | 4.89 | 84,779 |
| Capitals Starting With T | 0 | - | 4.84 | 75,268 |
| Capitals Starting With W | 0 | - | 4.89 | 90,587 |
| Capitals Starting With A | 0 | - | 4.97 | 126,505 |
| Capitals Starting With B | 0 | - | 4.89 | 117,252 |
| Capitals Starting With D | 0 | - | 4.93 | 95,351 |
| Word Scramble - U.S. State Capitals | 0 | - | 4.27 | 62,213 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.55 | 31,919 |
| US State Capitals - One Minute Sprint | 0 | - | 4.06 | 182,560 |
| U.S. Suburbs Quiz | 0 | - | 4.47 | 18,337 |
| Cities on the Mediterranean Sea by a Clue | 0 | - | 4.32 | 26,438 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,319,442 |
| Countries Closest to United States A-Z | 0 | - | 4.81 | 117,386 |
| Hawaiian Islands | 0 | - | 4.83 | 42,423 |
| U.S. States that Border Canada | 0 | - | 4.91 | 182,348 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,080 |
| Fifty US States in One Minute | 0 | - | 4.56 | 3,517,851 |
| U.S. States by Clue #1 | 0 | - | 4.53 | 38,580 |
| Category Elimination - U.S. States #1 | 0 | - | 4.87 | 218,467 |
| Category Elimination - U.S. States #2 | 0 | - | 4.82 | 132,443 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,949 |
