| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,802 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,674 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,841 |
| Landlocked Countries | 0 | - | 4.99 | 416,414 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,144,170 |
| Five Closest Countries by Country #3 | 0 | - | 4.97 | 120,853 |
| Five Closest Countries by Country #1 | 0 | - | 5.00 | 245,245 |
| Five Closest Countries by Country #2 | 0 | - | 5.00 | 202,738 |
| Countries Closest to an Unknown Country A-Z #1 | 0 | - | 4.91 | 79,666 |
| Countries Closest to an Unknown Country A-Z #2 | 0 | - | 4.96 | 72,886 |
| Countries Closest to an Unknown Country A-Z #3 | 0 | - | 4.91 | 61,328 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,815 |
| Himalayan Countries | 0 | - | 4.95 | 136,409 |
| Andean Countries | 0 | - | 4.95 | 83,431 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,702 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,924 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,381 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,982 |
| Danube Countries | 0 | - | 4.97 | 71,373 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,175 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,832 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,107 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,060 |
| European Landlocked Countries | 0 | - | 4.99 | 146,102 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,720 |
| Countries with the Most Species | 0 | - | 4.99 | 100,874 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,859 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,315 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,494 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,134 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,791 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,164 |
| Countries in the Alps | 0 | - | 4.86 | 117,297 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,876 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,833 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,236 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,719 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,792 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,230 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,958 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,977 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,784 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,312 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,341 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,195 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,701 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,978 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,989 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,662 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,874 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,411 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,209 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,865 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,505 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,806 |
| Largest Countries By Category | 0 | - | 4.97 | 157,220 |
| Countries by Countries | 0 | - | 4.96 | 62,569 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,847 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,072 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,406 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,636 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,372 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,065 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,738,901 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,666 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,630 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,728 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,587 |
| Island Countries | 0 | - | 4.99 | 708,737 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,048 |
| Northernmost Countries | 0 | - | 4.99 | 359,244 |
| Countries of South America | 0 | - | 5.00 | 919,331 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,231 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,857,842 |
| "Land" Countries | 0 | - | 4.98 | 334,483 |
| Countries With the Most Neighbors | 0 | - | 4.45 | 90,429 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,369,845 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,212 |
| Countries with Megacities | 0 | - | 4.99 | 248,805 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,062 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,514 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,434 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,460 |
| Countries by Official Language | 0 | - | 4.95 | 193,941 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,445 |
| Countries in their Native Language | 0 | - | 4.99 | 197,563 |
| Independence from Whom | 0 | - | 4.99 | 210,662 |
| Subdivisions by Country | 0 | - | 4.86 | 50,188 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,277 |
| Megadiverse Countries | 0 | - | 4.96 | 134,520 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,770 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,071 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,618 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,943 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,415 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,201 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,531 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,528 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,355 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,127 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,572 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,632 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,185 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,469 |
| World Map Quiz | 0 | - | 4.81 | 64,025 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,229 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,668 |
| Countries by Founding Story | 0 | - | 4.95 | 76,844 |
| Countries by Road Signs | 0 | - | 4.98 | 53,383 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,014 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,639 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,372 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,633 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,232 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,431 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,601 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,133 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,621 |
| Widest Countries East to West | 0 | - | 4.92 | 129,122 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,320 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,619 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,903 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,937 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,958 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,335 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,057 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,664 |
| Countries with Double Letters | 0 | - | 4.96 | 93,990 |
| Countries that End in N | 0 | - | 4.94 | 163,298 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,421 |
| Countries with Six Letters | 0 | - | 4.93 | 211,001 |
| Countries with W | 0 | - | 4.97 | 158,694 |
| Countries with Z | 0 | - | 4.98 | 288,611 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,956 |
| Countries That End in U | 0 | - | 4.95 | 119,827 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,088 |
| Countries that End in O | 0 | - | 4.92 | 158,797 |
| Countries that End in R | 0 | - | 4.87 | 118,470 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,005 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,660 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,694 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,770 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,340 |
| Countries That End in Y | 0 | - | 4.90 | 185,380 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,784 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,041 |
| Countries that End in I | 0 | - | 4.94 | 134,636 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,652 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,385 |
| Countries That End in NIA | 0 | - | 4.92 | 109,270 |
| Countries That End in BIA | 0 | - | 4.93 | 148,512 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,390 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,740 |
| Countries That End in RIA | 0 | - | 4.93 | 126,311 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,296 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,014 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,820 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,165 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,736 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,118 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,402 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,918 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,803 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,980 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,483 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,156 |
| Countries that End in L | 0 | - | 4.94 | 156,255 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,760 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,051 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,701 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,545 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,603 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,263 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,783 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,267 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,793 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,211 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,026 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,860 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,283 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,505 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,495 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,567 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,750 |
| World Capitals by Proximity | 0 | - | 4.91 | 329,630 |
| One Border Countries | 0 | - | 4.98 | 466,290 |
| Every Country in its Official/Native Language | 0 | - | 4.98 | 25,047 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,812,404 |
| Countries Closest to the Equator A-Z | 0 | - | 4.53 | 39,055 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,602,971 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,254 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,852 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,297 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,062 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,069 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,612 |
| Nearest Capital City #1 | 0 | - | 4.83 | 57,429 |
| Capitals Furthest from the Border | 0 | - | 4.96 | 68,454 |
| Countries by National Anthem | 0 | - | 4.92 | 71,108 |
| NATO Countries | 0 | - | 4.98 | 277,932 |
