| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,798,291 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,248 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,076 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,307 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,240 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,611 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,280 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,144 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,126 |
| One Border Countries | 0 | - | 4.98 | 463,703 |
| Random Countries by Borders | 0 | - | 4.99 | 81,599 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,473 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,542 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,352 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,951 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,637 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,231 |
| Countries by Borders #1 | 0 | - | 5.00 | 193,418 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 310,183 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,078 |
| Largest Countries with No Borders | 0 | - | 4.97 | 219,167 |
| Countries with Two Borders | 0 | - | 4.99 | 136,746 |
| Countries by Borders #2 | 0 | - | 4.96 | 135,303 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,084 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,049 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 114,596 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.91 | 93,111 |
| Countries by Borders #3 | 0 | - | 4.98 | 97,424 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,510 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 32,536 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,342 |
| Longest Border by Country #3 | 0 | - | 4.99 | 78,943 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,866,125 |
| Landlocked Countries | 0 | - | 4.99 | 413,021 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,189 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,785 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,313 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,487 |
| Pixelated World Map | 0 | - | 5.00 | 142,215 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,634 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,823 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,010 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,108 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,832 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 51,628 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,601 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,477 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,647 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,524 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,869 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,374 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,163 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,326 |
| Himalayan Countries | 0 | - | 4.95 | 135,121 |
| Andean Countries | 0 | - | 4.94 | 82,698 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,119 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,038 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,797 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,501 |
| Danube Countries | 0 | - | 4.97 | 71,015 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,670 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,473 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,328 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,242 |
| European Landlocked Countries | 0 | - | 4.99 | 145,685 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,080 |
| Countries with the Most Species | 0 | - | 4.99 | 95,205 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,237 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,180 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,340 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,916 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,532 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,890 |
| Countries in the Alps | 0 | - | 4.87 | 116,716 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,497 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,120 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,958 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,344 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,079 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,944 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,494 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,700 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,601 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,990 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,172 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,006 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,389 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,694 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,692 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,924 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,582 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,210 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,705 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,928 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,424 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,554 |
| Largest Countries By Category | 0 | - | 4.97 | 156,654 |
| Countries by Countries | 0 | - | 4.96 | 62,189 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,260 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,939 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,309 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,153 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,448 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,029 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,680 |
| European Countries with One Border | 0 | - | 4.97 | 181,495 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,003 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 122,295 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,215 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,888 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,088 |
| Island Countries | 0 | - | 4.99 | 707,324 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,546 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,587 |
| Northernmost Countries | 0 | - | 4.99 | 357,350 |
| Countries of South America | 0 | - | 5.00 | 913,660 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,020 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,813 |
| "Land" Countries | 0 | - | 4.98 | 333,469 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,064 |
| Countries Bordering France | 0 | - | 4.85 | 397,351 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,771 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,585 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,743 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,846 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 153,159 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.86 | 88,426 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,997 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,370 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,548 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,060 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,819 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,291 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,908 |
| Countries with Megacities | 0 | - | 4.99 | 246,303 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,831 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,754 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,287 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,695 |
| Countries by Official Language | 0 | - | 4.95 | 192,623 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,931 |
| Countries in their Native Language | 0 | - | 4.99 | 196,503 |
| Independence from Whom | 0 | - | 4.99 | 209,525 |
| Subdivisions by Country | 0 | - | 4.86 | 50,038 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,607 |
| Megadiverse Countries | 0 | - | 4.97 | 133,841 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,677 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,883 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,381 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,844 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,567 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,946 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,619 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,186 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,721 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,429 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,374 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,448 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,462 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,620 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,987 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,393 |
| World Map Quiz | 0 | - | 4.81 | 63,396 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,320 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,028 |
| Countries by Founding Story | 0 | - | 4.95 | 76,463 |
| Countries by Road Signs | 0 | - | 4.98 | 53,015 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,198 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,902 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,871 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,551 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,788 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,987 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,192 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,892 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,279 |
| Widest Countries East to West | 0 | - | 4.92 | 128,543 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,196 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,108 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,531 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,636 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,535 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,965 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,036 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,554 |
| Countries with Double Letters | 0 | - | 4.97 | 93,251 |
| Countries that End in N | 0 | - | 4.94 | 156,321 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,530 |
| Countries with Six Letters | 0 | - | 4.93 | 210,230 |
| Countries with W | 0 | - | 4.97 | 158,131 |
| Countries with Z | 0 | - | 4.98 | 287,658 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,450 |
| Countries That End in U | 0 | - | 4.95 | 119,460 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,392 |
| Countries that End in O | 0 | - | 4.92 | 158,493 |
| Countries that End in R | 0 | - | 4.86 | 118,215 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,819 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,896 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,199 |
