| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,373,193 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,888 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,987 |
| Countries within the Arctic Circle - Map Quiz | 0 | - | 4.85 | 63,662 |
| Countries by Borders in 90 Seconds | 0 | - | 4.99 | 3,818,358 |
| Countries of the World in 1900 | 0 | - | 4.89 | 84,370 |
| Countries of the World in 1914 with a Map | 0 | - | 4.99 | 194,471 |
| All Countries by Northernmost Point on Land | 0 | - | 4.89 | 125,893 |
| 20 Countries on an Empty Map #1 | 0 | - | 4.94 | 62,188 |
| Countries of the World in 1945 with a Map | 0 | - | 5.00 | 150,125 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,252,240 |
| Landlocked Countries | 0 | - | 4.99 | 417,798 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 565,075 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,749,360 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,435 |
| Himalayan Countries | 0 | - | 4.94 | 136,941 |
| Andean Countries | 0 | - | 4.95 | 83,697 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,946 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,290 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,611 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,196 |
| Danube Countries | 0 | - | 4.97 | 71,537 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,378 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,951 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,427 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,490 |
| European Landlocked Countries | 0 | - | 4.99 | 146,429 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,966 |
| Countries with the Most Species | 0 | - | 4.99 | 102,655 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,096 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,380 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,551 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,233 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,895 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,278 |
| Countries in the Alps | 0 | - | 4.86 | 117,511 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,012 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,144 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,343 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,859 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,961 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,370 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,134 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,090 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,891 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,443 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,424 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,276 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,833 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,104 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,115 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,962 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,981 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,508 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,375 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,733 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,919 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,913 |
| Largest Countries By Category | 0 | - | 4.97 | 157,457 |
| Countries by Countries | 0 | - | 4.96 | 62,730 |
| Pixelated World Map | 0 | - | 5.00 | 143,035 |
| Country Flags with the Most White | 0 | - | 4.87 | 138,045 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,123 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,444 |
| Countries of Europe in 1444 | 0 | - | 4.92 | 99,351 |
| Countries of the World in 1444 | 0 | - | 4.98 | 60,004 |
| Modern-Day Countries of the Inca Empire on a Map | 0 | - | 4.83 | 57,221 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,127 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,534 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,212 |
| Countries of the World with a Borderless Map | 0 | - | 4.99 | 81,801 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,989 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,289 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 404,504 |
| Island Countries | 0 | - | 4.99 | 709,298 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,044,804 |
| Northernmost Countries | 0 | - | 4.99 | 359,965 |
| Countries of South America | 0 | - | 5.00 | 921,427 |
| Countries of Oceania | 0 | - | 5.00 | 1,049,175 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,862,771 |
| "Land" Countries | 0 | - | 4.98 | 335,481 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,841 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,648 |
| Countries with Megacities | 0 | - | 4.99 | 249,704 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,484 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,762 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,822 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,738 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,672 |
| Countries by Official Language | 0 | - | 4.95 | 194,426 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,246 |
| Countries in their Native Language | 0 | - | 4.99 | 197,986 |
| Independence from Whom | 0 | - | 4.99 | 211,093 |
| Subdivisions by Country | 0 | - | 4.86 | 50,246 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,536 |
| Megadiverse Countries | 0 | - | 4.96 | 134,685 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,113 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,141 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,693 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,984 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,575 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,302 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,794 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,719 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,441 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,875 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,604 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,652 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,811 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,719 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,985 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,275 |
| World Map Quiz | 0 | - | 4.81 | 64,331 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,900 |
| Countries by Sports in 60 Seconds | 0 | - | 4.91 | 143,740 |
| Countries by Founding Story | 0 | - | 4.95 | 76,976 |
| Countries by Road Signs | 0 | - | 4.98 | 53,542 |
| Countries That Do Not Border | 0 | - | 4.99 | 59,940 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,286 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,805 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,528 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,029 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,408 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,584 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,739 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,206 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,196 |
| Widest Countries East to West | 0 | - | 4.92 | 129,257 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,356 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,807 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,964 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,430 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,100 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,455 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,181 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,705 |
| Countries With the Tallest People | 0 | - | 4.91 | 94,746 |
| Countries with Double Letters | 0 | - | 4.97 | 94,822 |
| Countries that End in N | 0 | - | 4.95 | 169,339 |
| Countries with Five Letters | 0 | - | 4.96 | 277,438 |
| Countries with Six Letters | 0 | - | 4.94 | 212,168 |
| Countries with W | 0 | - | 4.97 | 159,320 |
| Countries with Z | 0 | - | 4.98 | 289,517 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,527 |
| Countries That End in U | 0 | - | 4.95 | 120,301 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,540 |
| Countries that End in O | 0 | - | 4.92 | 159,115 |
| Countries that End in R | 0 | - | 4.87 | 118,665 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,445 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,113 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,976 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,983 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,570 |
| Countries That End in Y | 0 | - | 4.90 | 185,582 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,065 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,284 |
| Countries that End in I | 0 | - | 4.94 | 134,793 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,907 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,510 |
| Countries That End in NIA | 0 | - | 4.92 | 109,427 |
| Countries That End in BIA | 0 | - | 4.93 | 148,733 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,592 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,946 |
| Countries That End in RIA | 0 | - | 4.93 | 126,443 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,529 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 226,410 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,068 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,409 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,992 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,252 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,583 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,121 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,024 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,133 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,709 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,391 |
| Countries with the Highest Scrabble Score | 0 | - | 4.97 | 63,378 |
| Countries that End in L | 0 | - | 4.94 | 156,458 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 213,549 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,131 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,783 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,651 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,702 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,534 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,974 |
| Five Least Populated Countries by Continent | 0 | - | 4.96 | 142,496 |
| Five Smallest Countries by Continent | 0 | - | 4.98 | 162,953 |
| First Five Countries Alphabetically by Continent | 0 | - | 4.94 | 224,429 |
| Last Five Countries Alphabetically by Continent | 0 | - | 4.98 | 152,305 |
| Five Northernmost Capital Cities by Continent | 0 | - | 4.89 | 70,902 |
| Top 15 Countries that Produce the Most Tea | 0 | - | 4.81 | 108,329 |
| Top 10 Countries in Nuclear Power Production | 0 | - | 4.95 | 86,566 |
| 10 Northernmost Countries That Start with S | 0 | - | 4.94 | 62,589 |
| ALL First-Level Subdivisions of the World With a Map | 0 | - | 5.00 | 146,193 |
| All First-Level Subdivisions of Europe by Proximity | 0 | - | 4.85 | 76,807 |
| Top World Languages on a Map | 0 | - | 4.93 | 102,629 |
| Official Languages of the World on the Disappearing World Map | 0 | - | 4.99 | 116,133 |
| 407 Islands on the World Map | 0 | - | 4.99 | 34,996 |
| Historic Journeys on a World Map | 0 | - | 4.99 | 46,523 |
| Smallest Countries with at Least Two Borders | 0 | - | 4.97 | 42,315 |
