| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,798,117 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,243 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,073 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,303 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,236 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 82,609 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 86,258 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 107,142 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 86,125 |
| One Border Countries | 0 | - | 4.98 | 463,687 |
| Random Countries by Borders | 0 | - | 4.99 | 81,594 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,584,348 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 134,540 |
| Countries of the World in 1900 | 0 | - | 4.89 | 83,345 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 192,942 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 148,625 |
| Countries with the Most Borders | 0 | - | 4.97 | 385,219 |
| Countries by Borders #1 | 0 | - | 5.00 | 193,411 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 310,178 |
| Longest Border by Country #1 | 0 | - | 4.99 | 145,076 |
| Largest Countries with No Borders | 0 | - | 4.97 | 219,162 |
| Countries with Two Borders | 0 | - | 4.99 | 136,746 |
| Countries by Borders #2 | 0 | - | 4.96 | 135,302 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 140,079 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 130,048 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 114,592 |
| 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 | 75,509 |
| Bordering Countries Forming Words #2 | 0 | - | 4.96 | 32,536 |
| Longest Border by Country #2 | 0 | - | 4.95 | 120,339 |
| Longest Border by Country #3 | 0 | - | 4.99 | 78,942 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,863,978 |
| Landlocked Countries | 0 | - | 4.99 | 412,990 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,091 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,187 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,780 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,308 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,483 |
| Pixelated World Map | 0 | - | 5.00 | 142,163 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 98,633 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 56,821 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,008 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,710,900 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 138,829 |
| Bordering Countries by HDI Difference | 0 | - | 4.91 | 51,627 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 307,595 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 241,470 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 228,644 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 302,514 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,866 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,368 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,161 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,313 |
| Himalayan Countries | 0 | - | 4.95 | 135,110 |
| Andean Countries | 0 | - | 4.94 | 82,692 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,111 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,030 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,792 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,498 |
| Danube Countries | 0 | - | 4.97 | 71,012 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,664 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,470 |
| Countries with the Worst Passports | 0 | - | 4.93 | 82,324 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,239 |
| European Landlocked Countries | 0 | - | 4.99 | 145,683 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,076 |
| Countries with the Most Species | 0 | - | 4.99 | 95,201 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,231 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,179 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,337 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,915 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,527 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,888 |
| Countries in the Alps | 0 | - | 4.87 | 116,712 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,493 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,114 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,955 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,340 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,078 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,943 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,488 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,697 |
| Largest Country by Body of Water | 0 | - | 4.95 | 56,475 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,985 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,170 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,004 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,387 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,692 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,690 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,916 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,581 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,209 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,695 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,916 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,414 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,553 |
| Largest Countries By Category | 0 | - | 4.97 | 156,651 |
| Countries by Countries | 0 | - | 4.96 | 62,187 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,256 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,938 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,308 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.99 | 68,151 |
| All Countries by Population With a Map | 0 | - | 4.98 | 106,445 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,024 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,674 |
| European Countries with One Border | 0 | - | 4.97 | 181,489 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 177,997 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 122,284 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,187 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,881 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,079 |
| Island Countries | 0 | - | 4.99 | 707,314 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,468 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,561 |
| Northernmost Countries | 0 | - | 4.99 | 357,337 |
| Countries of South America | 0 | - | 5.00 | 913,639 |
| Countries of Oceania | 0 | - | 5.00 | 1,038,971 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,845,695 |
| "Land" Countries | 0 | - | 4.98 | 333,463 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 378,051 |
| Countries Bordering France | 0 | - | 4.85 | 397,200 |
| Countries Bordering Germany | 0 | - | 4.99 | 366,759 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 88,581 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 100,742 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 124,845 |
| 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 | 111,994 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 99,367 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,546 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,056 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,781 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,249 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,900 |
| Countries with Megacities | 0 | - | 4.99 | 246,289 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,826 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,752 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,280 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,691 |
| Countries by Official Language | 0 | - | 4.95 | 192,613 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,928 |
| Countries in their Native Language | 0 | - | 4.99 | 196,500 |
| Independence from Whom | 0 | - | 4.99 | 209,517 |
| Subdivisions by Country | 0 | - | 4.86 | 50,036 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,604 |
| Megadiverse Countries | 0 | - | 4.97 | 133,841 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,674 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,883 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,380 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,844 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,565 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,945 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,613 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,185 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,719 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,426 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,373 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,444 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,460 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,614 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,987 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,385 |
| World Map Quiz | 0 | - | 4.81 | 63,390 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,301 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 63,027 |
| Countries by Founding Story | 0 | - | 4.95 | 76,461 |
| Countries by Road Signs | 0 | - | 4.98 | 53,008 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,193 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,896 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,867 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,544 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,787 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,984 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,190 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,889 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,277 |
| Widest Countries East to West | 0 | - | 4.92 | 128,540 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,195 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,104 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,529 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,636 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,531 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,964 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,035 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,554 |
| Countries with Double Letters | 0 | - | 4.97 | 93,249 |
| Countries that End in N | 0 | - | 4.94 | 156,313 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,522 |
| Countries with Six Letters | 0 | - | 4.93 | 210,219 |
| Countries with W | 0 | - | 4.97 | 158,123 |
| Countries with Z | 0 | - | 4.98 | 287,610 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,447 |
| Countries That End in U | 0 | - | 4.95 | 119,460 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,381 |
| Countries that End in O | 0 | - | 4.92 | 158,492 |
| Countries that End in R | 0 | - | 4.86 | 118,213 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,816 |
| Countries Ending in "IA" | 0 | - | 4.99 | 206,891 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,198 |
