| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,833,214 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 82,282 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,002 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,172 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,308 |
| Bordering Countries by Clue #1 | 0 | - | 4.97 | 83,129 |
| Bordering Countries by Clue #2 | 0 | - | 4.95 | 87,433 |
| Walking Across Borders with Hints #1 | 0 | - | 4.95 | 109,029 |
| Walking Across Borders with Hints #2 | 0 | - | 4.97 | 87,663 |
| One Border Countries | 0 | - | 4.98 | 469,633 |
| Random Countries by Borders | 0 | - | 4.99 | 82,575 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,629,983 |
| Empty World Map without 20 Random Countries | 0 | - | 4.94 | 138,452 |
| Countries of the World in 1900 | 0 | - | 4.89 | 85,145 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 195,606 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 151,183 |
| Countries with the Most Borders | 0 | - | 4.97 | 388,929 |
| Countries by Borders #1 | 0 | - | 5.00 | 194,596 |
| Countries with the Longest Total Borders | 0 | - | 4.99 | 312,976 |
| Longest Border by Country #1 | 0 | - | 4.99 | 146,386 |
| Largest Countries with No Borders | 0 | - | 4.97 | 221,610 |
| Countries with Two Borders | 0 | - | 4.99 | 149,908 |
| Countries by Borders #2 | 0 | - | 4.96 | 136,450 |
| Landlocked Countries that Border Each Other | 0 | - | 5.00 | 141,127 |
| Big Countries Bordering Small Countries | 0 | - | 4.99 | 131,028 |
| Largest Countries Bordering Each Other | 0 | - | 4.99 | 115,477 |
| Biggest Countries Bordering the Pacific Ocean | 0 | - | 4.92 | 93,679 |
| Countries by Borders #3 | 0 | - | 4.98 | 98,146 |
| Bordering Countries Forming Words #1 | 0 | - | 4.92 | 75,773 |
| Bordering Countries Forming Words #2 | 0 | - | 4.97 | 32,768 |
| Longest Border by Country #2 | 0 | - | 4.95 | 121,224 |
| Longest Border by Country #3 | 0 | - | 4.99 | 79,668 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,549,680 |
| Landlocked Countries | 0 | - | 4.99 | 421,549 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,679 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,651 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,084 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,279 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,447 |
| Pixelated World Map | 0 | - | 5.00 | 143,561 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,947 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,363 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,537 |
| Countries with the Shortest Total Borders | 0 | - | 4.94 | 103,979 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,775,696 |
| Bordering Countries Beginning With the Same Letter | 0 | - | 4.99 | 139,731 |
| Bordering Countries by HDI Difference | 0 | - | 4.88 | 51,982 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 310,996 |
| Countries of Africa with an Empty Map | 0 | - | 5.00 | 243,693 |
| Countries of Asia with an Empty Map | 0 | - | 4.98 | 230,632 |
| Countries of the World with an Empty Map - Hard Version | 0 | - | 5.00 | 305,367 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,498 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,621 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 226,808 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,235 |
| Himalayan Countries | 0 | - | 4.95 | 138,526 |
| Andean Countries | 0 | - | 4.93 | 84,501 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,687 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,677 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,317 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,720 |
| Danube Countries | 0 | - | 4.97 | 71,955 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,954 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,374 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,214 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,680 |
| European Landlocked Countries | 0 | - | 4.99 | 147,081 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,552 |
| Countries with the Most Species | 0 | - | 4.99 | 103,191 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,687 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,557 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,700 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,508 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,189 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,609 |
| Countries in the Alps | 0 | - | 4.87 | 118,141 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,814 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,961 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,616 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,554 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,442 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,912 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,621 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,454 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,153 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,805 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,626 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,489 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,180 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,429 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,479 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,790 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,273 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 62,973 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,992 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,723 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,973 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,182 |
| Largest Countries By Category | 0 | - | 4.97 | 158,133 |
| Countries by Countries | 0 | - | 4.96 | 63,145 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,627 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,266 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,553 |
| Modern-Day Countries of the Umayyad Caliphate on a Map | 0 | - | 4.98 | 68,878 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,458 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,947 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,637 |
| European Countries with One Border | 0 | - | 4.97 | 183,017 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,788 |
| 20 Random Countries on an Empty World Map | 0 | - | 4.98 | 124,480 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,229 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,387 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,952 |
| Island Countries | 0 | - | 4.99 | 710,894 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,382,632 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,328 |
| Northernmost Countries | 0 | - | 4.99 | 361,771 |
| Countries of South America | 0 | - | 5.00 | 926,736 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,115 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,875,911 |
| "Land" Countries | 0 | - | 4.98 | 337,206 |
| World Map with 10 Random Extra Borders | 0 | - | 4.95 | 384,356 |
| Countries Bordering France | 0 | - | 4.83 | 403,229 |
| Countries Bordering Germany | 0 | - | 4.99 | 370,262 |
| Capital Cities in Squares of an Empty World Map | 0 | - | 4.99 | 89,461 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 101,631 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,396 |
| Richest Countries Bordering Each Other | 0 | - | 4.99 | 154,356 |
| Countries Bordering the Mediterranean - Map Quiz | 0 | - | 4.87 | 89,123 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,863 |
| Rich Countries Bordering Poor Countries | 0 | - | 4.89 | 100,208 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,263 |
| Bordering Countries with the Largest GDPs | 0 | - | 4.97 | 76,489 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,486 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,812 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,782 |
| Countries with Megacities | 0 | - | 4.99 | 264,306 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,641 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,406 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,901 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,476 |
| Countries by Official Language | 0 | - | 4.95 | 195,173 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 296,252 |
| Countries in their Native Language | 0 | - | 4.99 | 198,969 |
| Independence from Whom | 0 | - | 4.99 | 211,983 |
| Subdivisions by Country | 0 | - | 4.86 | 50,411 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 132,653 |
| Megadiverse Countries | 0 | - | 4.96 | 134,977 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 132,009 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,326 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,158 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,091 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 163,061 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,572 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,403 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,624 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,122 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,603 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,851 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,177 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,939 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,330 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,469 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 111,052 |
| World Map Quiz | 0 | - | 4.81 | 65,033 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 157,046 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.84 | 64,076 |
| Countries by Founding Story | 0 | - | 4.95 | 77,333 |
| Countries by Road Signs | 0 | - | 4.98 | 53,974 |
| Southernmost Countries of the World | 0 | - | 4.99 | 228,003 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,231 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,954 |
| Countries With the Most Languages | 0 | - | 4.90 | 202,092 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,841 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,973 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,264 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,415 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,541 |
| Widest Countries East to West | 0 | - | 4.92 | 129,605 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,439 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,334 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,105 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,737 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,549 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,819 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,359 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,791 |
| Countries with Double Letters | 0 | - | 4.96 | 96,123 |
| Countries that End in N | 0 | - | 4.95 | 171,009 |
| Countries with Five Letters | 0 | - | 4.96 | 282,231 |
| Countries with Six Letters | 0 | - | 4.94 | 213,438 |
| Countries with W | 0 | - | 4.97 | 160,248 |
| Countries with Z | 0 | - | 4.98 | 291,316 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,608 |
| Countries That End in U | 0 | - | 4.95 | 120,800 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 134,371 |
| Countries that End in O | 0 | - | 4.92 | 159,477 |
| Countries that End in R | 0 | - | 4.87 | 118,940 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,699 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,987 |
