| Boundary Waters | 0 | - | 4.92 | 88,180 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,930 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,573 |
| Landlocked Countries | 0 | - | 4.99 | 415,986 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,111,999 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,318 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,264 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,192 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,451 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,588 |
| Himalayan Countries | 0 | - | 4.95 | 136,215 |
| Andean Countries | 0 | - | 4.95 | 83,303 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,594 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,804 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,296 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,918 |
| 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 | 83,010 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,964 |
| European Landlocked Countries | 0 | - | 4.99 | 146,043 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,651 |
| Countries with the Most Species | 0 | - | 4.99 | 96,713 |
| 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 | 72,757 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,128 |
| Countries in the Alps | 0 | - | 4.86 | 117,244 |
| 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 | 78,207 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,658 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,511 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,202 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,896 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,947 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,746 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,277 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,322 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,178 |
| 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 | 117,600 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,848 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,383 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,124 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,643 |
| 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 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,967 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,603 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,795 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,308 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,067 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,808 |
| 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 |
| Demonym of Every Country | 0 | - | 4.91 | 58,857 |
| World Capitals Quiz | 0 | - | 5.00 | 5,046,567 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,735,932 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,240 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,369 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,576,337 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,516 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,214 |
| Island Countries | 0 | - | 4.99 | 708,587 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,042,581 |
| Northernmost Countries | 0 | - | 4.99 | 359,041 |
| Countries of South America | 0 | - | 5.00 | 918,766 |
| Countries of Oceania | 0 | - | 5.00 | 1,045,565 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,856,492 |
| "Land" Countries | 0 | - | 4.98 | 334,269 |
| Top World Languages | 0 | - | 4.92 | 816,382 |
| Analogies of Countries #1 | 0 | - | 4.88 | 68,250 |
| Globe Grid | 0 | - | 4.32 | 31,952 |
| World Map Divided into Regions | 0 | - | 4.19 | 41,514 |
| Name a Valid Answer - Geography | 0 | - | 4.95 | 103,793 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,106 |
| Countries with Megacities | 0 | - | 4.99 | 248,607 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,979 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,457 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,352 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,410 |
| Global Cities on a World Map | 0 | - | 4.93 | 135,348 |
| 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 | 44,956 |
| Capitals with the Shortest Names | 0 | - | 4.97 | 108,169 |
| Same Letter Country and Capital | 0 | - | 4.99 | 156,033 |
| Countries by Capital City | 0 | - | 5.00 | 67,306 |
| Capital Cities Based on First Two Letters | 0 | - | 4.85 | 76,642 |
| Capitals of the Largest Countries by Area | 0 | - | 4.97 | 114,180 |
| 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 | 193,774 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,266 |
| Countries in their Native Language | 0 | - | 4.99 | 197,429 |
| Independence from Whom | 0 | - | 4.99 | 210,390 |
| 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 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,589 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,934 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,040 |
| 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 with Multiple Populous Islands | 0 | - | 4.89 | 95,332 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,795 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,062 |
| 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 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,162 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,368,818 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,337 |
| World Map Quiz | 0 | - | 4.81 | 63,933 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,030 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,647 |
| Countries by Founding Story | 0 | - | 4.95 | 76,812 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,942 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,605 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,322 |
| Countries With the Most Languages | 0 | - | 4.89 | 200,527 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,188 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,387 |
| 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 | 129,092 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,306 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,573 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,711 |
| 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 | 127,299 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 76,973 |
| 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 | 259,208 |
| Countries with Six Letters | 0 | - | 4.93 | 210,845 |
| Countries with W | 0 | - | 4.97 | 158,503 |
| Countries with Z | 0 | - | 4.98 | 288,397 |
| 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 | 207,561 |
| Countries by First and Last Letter #1 | 0 | - | 4.97 | 169,629 |
| Countries by Last Two Letters | 0 | - | 4.85 | 134,717 |
| Countries by First and Last Letter #2 | 0 | - | 4.96 | 141,284 |
| Countries That End in Y | 0 | - | 4.90 | 185,319 |
| 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 |
| Countries Based on First Two Letters #2 | 0 | - | 4.99 | 182,590 |
| Countries by Initial Letter and Length #1 | 0 | - | 4.98 | 95,354 |
| Countries That End in NIA | 0 | - | 4.92 | 109,220 |
| Countries That End in BIA | 0 | - | 4.93 | 148,455 |
| Countries by Initial Letter and Continent #1 | 0 | - | 4.94 | 166,338 |
| Countries Whose Names Start with Saint | 0 | - | 4.87 | 118,702 |
| Countries That End in RIA | 0 | - | 4.93 | 126,257 |
| Most Common Words in Official Country Names | 0 | - | 4.86 | 110,245 |
| Divided Country Name Puzzle #1 | 0 | - | 4.99 | 225,914 |
| Divided Country Name Puzzle #2 | 0 | - | 4.99 | 132,765 |
| Divided Country Name Puzzle #3 | 0 | - | 4.92 | 125,124 |
| Groups of Countries that Start with the Same 3 Letters | 0 | - | 5.00 | 90,668 |
| Add A Letter - Make a Country | 0 | - | 4.82 | 74,071 |
| Countries With One Word and Three A's | 0 | - | 4.92 | 52,353 |
| Countries with a Unique Last Letter | 0 | - | 4.90 | 102,876 |
| Unique Starting Letter - Countries by Continent | 0 | - | 4.98 | 124,761 |
| Countries that are Free from U.S.A. | 0 | - | 4.89 | 48,940 |
| Countries with the Word "And" | 0 | - | 4.99 | 116,427 |
| Countries Containing Two or More Words | 0 | - | 4.96 | 53,095 |
| Countries that End in L | 0 | - | 4.94 | 156,206 |
| "Stan" Countries Quiz | 0 | - | 4.97 | 212,537 |
| Countries Ending with "An", but not "Stan" | 0 | - | 4.98 | 85,037 |
| City to Country Quiz #1 | 0 | - | 4.96 | 155,674 |
| City to Country Quiz #3 | 0 | - | 4.88 | 118,507 |
| 45 European Countries, 45 Cities | 0 | - | 4.95 | 78,571 |
| Five Biggest Countries by Continent | 0 | - | 4.99 | 248,177 |
| Five Poorest Countries by Continent | 0 | - | 4.93 | 199,727 |
