| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,868 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,804 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,681 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,850 |
| Closest Capital City Pairs #1 | 0 | - | 4.97 | 75,420 |
| Closest Capital City Pairs #2 | 0 | - | 4.95 | 75,454 |
| Boundary Waters | 0 | - | 4.92 | 88,221 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,960 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,642 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 120,861 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 245,260 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 202,745 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 79,672 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.96 | 72,894 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 61,333 |
| Landlocked Countries | 0 | - | 4.99 | 416,556 |
| Countries With the Most Neighbors | 0 | - | 4.45 | 90,434 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,155,187 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,357 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,335 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,270 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,516 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,882 |
| Himalayan Countries | 0 | - | 4.95 | 136,461 |
| Andean Countries | 0 | - | 4.95 | 83,466 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,726 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,965 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,403 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,007 |
| Danube Countries | 0 | - | 4.97 | 71,386 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,197 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,841 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,133 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,095 |
| European Landlocked Countries | 0 | - | 4.99 | 146,120 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,750 |
| Countries with the Most Species | 0 | - | 4.99 | 101,330 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,884 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,326 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,503 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,152 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,800 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,177 |
| Countries in the Alps | 0 | - | 4.86 | 117,308 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,889 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,868 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,247 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,735 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,810 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,248 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,973 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,990 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,792 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,323 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,356 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,200 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,716 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,986 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,999 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,688 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,887 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,427 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,227 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,947 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,546 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,818 |
| Largest Countries By Category | 0 | - | 4.97 | 157,238 |
| Countries by Countries | 0 | - | 4.96 | 62,585 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,862 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,077 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,075 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,035 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,627 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,913 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,324 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,215 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,840 |
| Longest International Borders | 0 | - | 4.99 | 264,288 |
| Countries with Three Borders | 0 | - | 4.96 | 36,341 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,775 |
| Demonym of Every Country | 0 | - | 4.91 | 58,905 |
| Nearest Major City #1 | 0 | - | 4.49 | 23,575 |
| Closest City Pairs #2 | 0 | - | 4.54 | 29,391 |
| Closest City Pairs #1 | 0 | - | 4.46 | 24,742 |
| World Capitals Quiz | 0 | - | 5.00 | 5,049,863 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,739,884 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,249 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 39,060 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,714 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,577,581 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,792 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,698 |
| Island Countries | 0 | - | 4.99 | 708,773 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,221 |
| Northernmost Countries | 0 | - | 4.99 | 359,315 |
| Countries of South America | 0 | - | 5.00 | 919,526 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,479 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,252 |
| "Land" Countries | 0 | - | 4.98 | 334,566 |
| Top World Languages | 0 | - | 4.92 | 817,183 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,261 |
| Globe Grid | 0 | - | 4.32 | 31,956 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,544 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,847 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,246 |
| Countries with Megacities | 0 | - | 4.99 | 248,881 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,101 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,530 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,457 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,481 |
| Nearest Major City #2 | 0 | - | 4.15 | 16,153 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,443 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,560 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,037 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,036 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,294 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,148 |
| Countries by Capital City | 0 | - | 5.00 | 67,447 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,728 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,236 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,688 |
| Moved Capital Cities | 0 | - | 4.96 | 73,872 |
| Countries by Official Language | 0 | - | 4.95 | 193,979 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,488 |
| Countries in their Native Language | 0 | - | 4.99 | 197,607 |
| Independence from Whom | 0 | - | 4.99 | 210,776 |
| Subdivisions by Country | 0 | - | 4.86 | 50,192 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,306 |
| Megadiverse Countries | 0 | - | 4.96 | 134,528 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,802 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,073 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,622 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,946 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,426 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,208 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,565 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,540 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,366 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,145 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,578 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,636 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,196 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,193 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,526 |
| World Map Quiz | 0 | - | 4.81 | 64,062 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,322 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,681 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,041 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,653 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,384 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,675 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,256 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,451 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,612 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,140 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,634 |
| Widest Countries East to West | 0 | - | 4.92 | 129,131 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,326 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,632 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,906 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,946 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,965 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,347 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,079 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,669 |
| Countries with Double Letters | 0 | - | 4.96 | 94,084 |
| Countries that End in N | 0 | - | 4.95 | 164,929 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,518 |
| Countries with Six Letters | 0 | - | 4.93 | 211,079 |
| Countries with W | 0 | - | 4.97 | 158,767 |
| Countries with Z | 0 | - | 4.98 | 288,697 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,999 |
| Countries That End in U | 0 | - | 4.95 | 119,891 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,125 |
| Countries that End in O | 0 | - | 4.92 | 158,842 |
| Countries that End in R | 0 | - | 4.87 | 118,492 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,126 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,699 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,720 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,800 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,360 |
| Countries That End in Y | 0 | - | 4.90 | 185,403 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,809 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,069 |
| Countries that End in I | 0 | - | 4.94 | 134,653 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,672 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,399 |
| Countries That End in NIA | 0 | - | 4.92 | 109,283 |
| Countries That End in BIA | 0 | - | 4.93 | 148,545 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,411 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,756 |
| Countries That End in RIA | 0 | - | 4.93 | 126,322 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,313 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,051 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,849 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,184 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,759 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,136 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,424 |
