| Boundary Waters | 0 | - | 4.92 | 88,456 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,158 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,067 |
| City to Country - Tile Select #1 | 0 | - | 4.70 | 37,186 |
| Landlocked Countries | 0 | - | 4.99 | 420,276 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,443,511 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,586 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,930 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,156 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,620 |
| Himalayan Countries | 0 | - | 4.95 | 138,019 |
| Andean Countries | 0 | - | 4.95 | 84,221 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,439 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,233 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,090 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,527 |
| Danube Countries | 0 | - | 4.97 | 71,804 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,748 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,194 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,922 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,301 |
| European Landlocked Countries | 0 | - | 4.99 | 146,941 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,339 |
| Countries with the Most Species | 0 | - | 4.99 | 103,069 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,502 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,492 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,645 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,428 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,111 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,495 |
| Countries in the Alps | 0 | - | 4.87 | 117,932 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,913 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,660 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,533 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,427 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,275 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,822 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,448 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,318 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,063 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,682 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,554 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,410 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,052 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,332 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,344 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,487 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,158 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,669 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,781 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,067 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,616 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,087 |
| Largest Countries By Category | 0 | - | 4.97 | 157,887 |
| Countries by Countries | 0 | - | 4.97 | 62,989 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,436 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,208 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,504 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,483 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,548 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,791 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,341 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,437 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,538 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,170 |
| Longest International Borders | 0 | - | 4.99 | 264,911 |
| Countries with Three Borders | 0 | - | 4.96 | 36,522 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,007 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,118 |
| Demonym of Every Country | 0 | - | 4.91 | 59,883 |
| World Capitals Quiz | 0 | - | 5.00 | 5,072,475 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,766,348 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,309 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,114 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,586,003 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,990 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,126 |
| Island Countries | 0 | - | 4.99 | 710,305 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,645 |
| Northernmost Countries | 0 | - | 4.99 | 361,134 |
| Countries of South America | 0 | - | 5.00 | 924,825 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,699 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,871,318 |
| "Land" Countries | 0 | - | 4.98 | 336,137 |
| Top World Languages | 0 | - | 4.92 | 821,984 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,388 |
| Globe Grid | 0 | - | 4.32 | 31,992 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,792 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 104,334 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,417 |
| Countries with Megacities | 0 | - | 4.99 | 263,185 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,249 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,220 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,548 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,250 |
| Global Cities on a World Map | 0 | - | 4.93 | 136,094 |
| Northernmost Capital Cities | 0 | - | 4.98 | 110,222 |
| Most Remote Capital Cities | 0 | - | 4.92 | 53,388 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 45,467 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 109,198 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,954 |
| Countries by Capital City | 0 | - | 5.00 | 68,232 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 77,148 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,627 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 84,174 |
| Moved Capital Cities | 0 | - | 4.96 | 74,193 |
| Countries by Official Language | 0 | - | 4.95 | 194,901 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,894 |
| Countries in their Native Language | 0 | - | 4.99 | 198,432 |
| Independence from Whom | 0 | - | 4.99 | 211,671 |
| Subdivisions by Country | 0 | - | 4.86 | 50,348 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,946 |
| Megadiverse Countries | 0 | - | 4.96 | 134,869 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,761 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,247 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,840 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,056 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,889 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,465 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,191 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,925 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,554 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,032 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,317 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,786 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,085 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,857 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,246 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,407 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,167 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,601 |
| World Map Quiz | 0 | - | 4.81 | 64,838 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,314 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,173 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,751 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 105,073 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,808 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,728 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,688 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,828 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,956 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,343 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,420 |
| Widest Countries East to West | 0 | - | 4.92 | 129,488 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,415 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,143 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,052 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,630 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,394 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,691 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,305 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,758 |
| Countries with Double Letters | 0 | - | 4.97 | 95,355 |
| Countries that End in N | 0 | - | 4.95 | 170,393 |
| Countries with Five Letters | 0 | - | 4.96 | 281,285 |
| Countries with Six Letters | 0 | - | 4.94 | 212,802 |
| Countries with W | 0 | - | 4.97 | 159,707 |
| Countries with Z | 0 | - | 4.98 | 290,612 |
| Countries with Letters Missing | 0 | - | 4.96 | 185,975 |
| Countries That End in U | 0 | - | 4.95 | 120,515 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 133,985 |
| Countries that End in O | 0 | - | 4.92 | 159,284 |
| Countries that End in R | 0 | - | 4.87 | 118,804 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 155,569 |
| Countries Ending in "IA" | 0 | - | 4.99 | 208,587 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 170,317 |
| Countries by Last Two Letters | 0 | - | 4.85 | 135,214 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,828 |
| Countries That End in Y | 0 | - | 4.91 | 185,717 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 197,521 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 152,600 |
| Countries that End in I | 0 | - | 4.94 | 134,948 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 183,714 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,665 |
| Countries That End in NIA | 0 | - | 4.92 | 109,621 |
| Countries That End in BIA | 0 | - | 4.93 | 148,975 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,880 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 119,198 |
| Countries That End in RIA | 0 | - | 4.93 | 126,636 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,771 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 227,075 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 133,405 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,794 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 91,327 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,411 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,794 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 103,357 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 125,291 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 49,286 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,993 |
| Countries Containing Two or More Words | 0 | - | 4.97 | 53,710 |
| Countries that End in L | 0 | - | 4.94 | 156,648 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 214,746 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,189 |
| City to Country Quiz #1 | 0 | - | 4.97 | 155,910 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,820 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,869 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 249,329 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 200,380 |
| Five Least Populated Countries by Continent | 0 | - | 4.95 | 142,794 |
