| Countries with Glaciers | 0 | - | 4.97 | 104,813 |
| Countries with the Highest Carbon Dioxide Emissions | 0 | - | 4.97 | 109,592 |
| Countries with the Most Forest | 0 | - | 4.87 | 146,829 |
| Countries Reducing Carbon Dioxide Emissions the Most | 0 | - | 4.89 | 64,375 |
| Island Countries | 0 | - | 4.99 | 708,588 |
| Northernmost Countries Without Glaciers | 0 | - | 4.61 | 36,097 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,591 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,051 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,333 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,162 |
| Countries with Tropical Rainforest and Glaciers | 0 | - | 4.51 | 55,506 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,090 |
| Countries that Desalinate the Most Water | 0 | - | 4.77 | 41,452 |
| Countries With the Most Islands of at Least 10 Km² | 0 | - | 4.88 | 143,891 |
| Least-Forested Countries | 0 | - | 4.53 | 65,004 |
| Tropical Rainforest Countries | 0 | - | 4.68 | 81,841 |
| Countries with the Most Mangroves | 0 | - | 4.53 | 34,525 |
| Worst Plastic Polluting Countries | 0 | - | 4.51 | 66,246 |
| Countries with the Highest Percentage of Forest | 0 | - | 4.62 | 37,727 |
| Most Populous Islands | 0 | - | 4.79 | 122,159 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,228 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,442 |
| Countries by Carbon Dioxide Emissions per Capita | 0 | - | 4.03 | 49,129 |
| Name a Valid Island Country | 0 | - | 4.96 | 114,381 |
| Name the Constellations - With a Map | 0 | - | 4.92 | 35,757 |
| Boundary Waters | 0 | - | 4.92 | 88,182 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,930 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,576 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,056 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,112,478 |
| Landlocked Countries | 0 | - | 4.99 | 415,989 |
| Countries with the Most HIV | 0 | - | 4.46 | 44,373 |
| Countries with the Most Malaria Deaths | 0 | - | 4.45 | 45,040 |
| Islands by Wikipedia Descriptions | 0 | - | 4.54 | 37,276 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,594 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,988 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,235 |
| People Born on Islands | 0 | - | 4.39 | 52,809 |
| Islands by Picture | 0 | - | 4.29 | 106,286 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,319 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,264 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,194 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,452 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,374 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,354 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,518 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,224 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,591 |
| Himalayan Countries | 0 | - | 4.95 | 136,217 |
| Andean Countries | 0 | - | 4.95 | 83,305 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,595 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,806 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,298 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,919 |
| Danube Countries | 0 | - | 4.97 | 71,332 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,103 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,783 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,011 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,964 |
| European Landlocked Countries | 0 | - | 4.99 | 146,043 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,652 |
| Countries with the Most Species | 0 | - | 4.99 | 96,805 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,792 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,295 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,471 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,110 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,758 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,128 |
| Countries in the Alps | 0 | - | 4.86 | 117,247 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,835 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,742 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,208 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,660 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,515 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,202 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,897 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,947 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,748 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,278 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,322 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,180 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,673 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,934 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,942 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,606 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,849 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,383 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,127 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,653 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,408 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,778 |
| Largest Countries By Category | 0 | - | 4.97 | 157,168 |
| Countries by Countries | 0 | - | 4.96 | 62,524 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,781 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,059 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,396 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,030 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,587 |
| Northernmost Countries | 0 | - | 4.99 | 359,051 |
| Countries of South America | 0 | - | 5.00 | 918,771 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,576 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,500 |
| "Land" Countries | 0 | - | 4.98 | 334,269 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,970 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,604 |
| Top World Languages | 0 | - | 4.92 | 816,389 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,797 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,308 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,069 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,810 |
| Longest International Borders | 0 | - | 4.99 | 264,225 |
| Countries with Three Borders | 0 | - | 4.96 | 36,317 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,745 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,833 |
| East Asian Islands on the Map | 0 | - | 4.54 | 32,987 |
| Demonym of Every Country | 0 | - | 4.91 | 58,858 |
| Islands A-Z | 0 | - | 4.46 | 117,054 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,250 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,793 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,107 |
| Countries with Megacities | 0 | - | 4.99 | 248,611 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,980 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,457 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,355 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,411 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,350 |
| Northernmost Capital Cities | 0 | - | 4.98 | 109,464 |
| Most Remote Capital Cities | 0 | - | 4.92 | 52,979 |
| Capital Cities: Ports and Saints | 0 | - | 4.96 | 44,958 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,172 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,034 |
| Countries by Capital City | 0 | - | 5.00 | 67,309 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,643 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,182 |
| Divided Capital Name Puzzle #1 | 0 | - | 4.99 | 83,626 |
| Moved Capital Cities | 0 | - | 4.96 | 73,824 |
| Countries by Official Language | 0 | - | 4.95 | 193,777 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,266 |
| Countries in their Native Language | 0 | - | 4.99 | 197,431 |
| Independence from Whom | 0 | - | 4.99 | 210,393 |
| Subdivisions by Country | 0 | - | 4.86 | 50,169 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,212 |
| Megadiverse Countries | 0 | - | 4.96 | 134,497 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,637 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,054 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,934 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,175 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,470 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,502 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,064 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,554 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,650 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,622 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,825 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,834 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,341 |
| World Map Quiz | 0 | - | 4.81 | 63,935 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,031 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,648 |
| Countries by Founding Story | 0 | - | 4.95 | 76,812 |
| Countries by Road Signs | 0 | - | 4.98 | 53,340 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,943 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,605 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,323 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,529 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,189 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,388 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,570 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,111 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,590 |
| Widest Countries East to West | 0 | - | 4.92 | 129,093 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,306 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,574 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,713 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,915 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,916 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,300 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,974 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,657 |
| Countries with Double Letters | 0 | - | 4.96 | 93,816 |
| Countries that End in N | 0 | - | 4.94 | 157,249 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,209 |
| Countries with Six Letters | 0 | - | 4.93 | 210,846 |
| Countries with W | 0 | - | 4.97 | 158,503 |
| Countries with Z | 0 | - | 4.98 | 288,398 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,853 |
| Countries That End in U | 0 | - | 4.95 | 119,664 |
| Top 20 Longest One-Word Country Names | 0 | - | 4.98 | 132,996 |
| Countries that End in O | 0 | - | 4.92 | 158,693 |
| Countries that End in R | 0 | - | 4.87 | 118,412 |
| Country Names Created by Only 4 Letters | 0 | - | 4.99 | 154,966 |
| Countries Ending in "IA" | 0 | - | 4.99 | 207,562 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,629 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,718 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,284 |
| Countries That End in Y | 0 | - | 4.90 | 185,322 |
| Countries Based on First Two Letters #1 | 0 | - | 4.99 | 196,734 |
| Countries with Cardinal Directions in Their Names | 0 | - | 4.92 | 151,997 |
| Countries that End in I | 0 | - | 4.94 | 134,593 |
