| Countries by Satellite Image #1 | 0 | - | 4.88 | 139,573 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 79,953 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 47,149 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 134,990 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 107,382 |
| Flags with the Most Stars | 0 | - | 4.90 | 118,282 |
| Flags that are Red & White Only | 0 | - | 4.97 | 140,010 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 138,540 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 48,321 |
| Four Countries with Similar Flags #2 | 0 | - | 4.91 | 42,372 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 50,596 |
| Country Flags with the Most Red | 0 | - | 4.97 | 114,003 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 88,035 |
| Country Flags with the Most Green | 0 | - | 4.95 | 95,250 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 95,097 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 95,110 |
| Country Flags with the Most Black | 0 | - | 4.94 | 93,701 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 65,332 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.94 | 47,630 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 94,759 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 69,786 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 55,593 |
| Countries by Partial Flag Images #6 | 0 | - | 4.90 | 35,117 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 70,534 |
| World Coats of Arms | 0 | - | 4.99 | 61,121 |
| Countries With Blue and White Flags | 0 | - | 4.88 | 96,256 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.85 | 34,211 |
| Country Flags With Blue Removed | 0 | - | 4.91 | 40,788 |
| Countries by Partial Flag Images #7 | 0 | - | 4.86 | 25,243 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 29,398 |
| Countries by Picture #1 | 0 | - | 4.53 | 95,770 |
| Countries by Picture #3 | 0 | - | 4.53 | 57,662 |
| Random Flag to Country | 0 | - | 4.99 | 557,702 |
| Countries of the World Quiz | 0 | - | 5.00 | 44,905,555 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 99,209 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 79,788 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 390,302 |
| Merged Countries #2 | 0 | - | 4.96 | 95,680 |
| Merged Countries #6 | 0 | - | 4.91 | 70,321 |
| Merged Countries #7 | 0 | - | 4.94 | 79,519 |
| World Map without 12 Countries | 0 | - | 4.97 | 333,562 |
| Pixelated World Map | 0 | - | 5.00 | 137,742 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,451,967 |
| Country Shape Quiz #1 | 0 | - | 4.93 | 888,034 |
| Country Shape Quiz #2 | 0 | - | 4.97 | 405,478 |
| Every Country Shape | 0 | - | 5.00 | 424,934 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,527,733 |
| Countries by Picture #2 | 0 | - | 4.37 | 67,936 |
| Countries by Picture #5 | 0 | - | 4.25 | 42,173 |
| Countries by Picture #6 | 0 | - | 4.14 | 35,235 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 339,347 |
| Former Flags | 0 | - | 4.98 | 102,815 |
| Sahara Desert Countries | 0 | - | 4.97 | 149,362 |
| Himalayan Countries | 0 | - | 4.94 | 125,490 |
| Andean Countries | 0 | - | 4.93 | 70,651 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 58,159 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 115,662 |
| Coffee Producing Countries | 0 | - | 4.83 | 61,534 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 60,642 |
| Danube Countries | 0 | - | 4.97 | 61,723 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 98,084 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 82,735 |
| Countries with the Worst Passports | 0 | - | 4.92 | 75,465 |
| Countries with the Most Immigrants | 0 | - | 4.89 | 141,123 |
| European Landlocked Countries | 0 | - | 4.99 | 142,125 |
| Partially Recognized Countries | 0 | - | 4.98 | 99,916 |
| Countries with the Most Species | 0 | - | 4.99 | 93,180 |
| Countries 197 to 205 | 0 | - | 4.87 | 64,848 |
| Tropic of Cancer Countries | 0 | - | 4.95 | 47,096 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 46,181 |
| Countries that Use the Peso | 0 | - | 4.89 | 57,060 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 70,578 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 54,494 |
| Countries in the Alps | 0 | - | 4.86 | 112,057 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 91,627 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 99,530 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 76,076 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 84,543 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 111,724 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 92,663 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 96,191 |
| Five Biggest Countries by Longitude | 0 | - | 4.90 | 50,515 |
| Biggest Country by Body of Water | 0 | - | 4.95 | 48,503 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 59,541 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 51,743 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 39,545 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 100,850 |
| Arctic Ocean Countries | 0 | - | 4.94 | 76,518 |
| Countries with the Most Grassland | 0 | - | 4.93 | 74,342 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 111,014 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 65,475 |
| Countries that Host the Most Refugees | 0 | - | 4.94 | 57,395 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.94 | 40,645 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 226,447 |
| World Countries - Blind Typing | 0 | - | 5.00 | 97,667 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 45,722 |
| Largest Countries By Category | 0 | - | 4.97 | 152,550 |
| Countries by Countries | 0 | - | 4.96 | 59,217 |
| Country Flags with the Most White | 0 | - | 4.85 | 133,301 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 60,961 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 84,862 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 48,905 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 362,781 |
| Countries with the Most Tourists Quiz | 0 | - | 4.91 | 386,715 |
| Island Countries Quiz | 0 | - | 4.99 | 695,412 |
| Countries by Satellite Image #3 | 0 | - | 4.64 | 69,465 |
| Countries by Satellite Image #2 | 0 | - | 4.78 | 67,954 |
| Countries by Satellite Image #4 | 0 | - | 4.62 | 65,378 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 45,750 |
| Country Flags with the Southern Cross | 0 | - | 4.70 | 54,502 |
| Similar Flags #1 | 0 | - | 4.73 | 124,753 |
| Similar Flags #2 | 0 | - | 4.79 | 121,151 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 43,293 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 33,850 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,006,383 |
| Northernmost Countries | 0 | - | 4.99 | 345,036 |
| Countries of South America | 0 | - | 5.00 | 874,883 |
| Countries of Oceania | 0 | - | 5.00 | 990,624 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,756,707 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 154,932 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 164,262 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 131,478 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,286,092 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 75,198 |
| Country Shape Quiz #3 | 0 | - | 4.91 | 287,285 |
| Country Shape Quiz #4 | 0 | - | 4.93 | 210,183 |
| Country Shape Quiz #5 | 0 | - | 4.91 | 150,155 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 99,286 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 107,011 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 117,445 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 104,312 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 77,398 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 54,993 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 82,223 |
| All Country Flags of the World | 0 | - | 5.00 | 3,380,547 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 162,598 |
| Countries with Megacities | 0 | - | 4.99 | 222,215 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,516 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,652 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 128,841 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,044 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 301,387 |
| Countries by Official Language | 0 | - | 4.95 | 186,073 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 284,645 |
| Countries in their Native Language | 0 | - | 4.98 | 190,414 |
| Independence from Whom | 0 | - | 4.99 | 202,545 |
| Subdivisions by Country | 0 | - | 4.85 | 48,950 |
| Who Controlled These Colonies? | 0 | - | 4.90 | 125,681 |
| Megadiverse Countries | 0 | - | 4.97 | 131,271 |
| Countries With the Most English Speakers | 0 | - | 4.89 | 124,014 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 53,386 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 122,697 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 73,506 |
| Most Desired Destinations for Potential Migrants | 0 | - | 4.86 | 49,583 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 156,909 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 60,250 |
| Countries of the World in 1938 Quiz | 0 | - | 4.96 | 88,675 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.94 | 150,165 |
| Countries with Multiple Populous Islands | 0 | - | 4.91 | 81,071 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 43,637 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 69,655 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 105,312 |
| Countries Furthest from the United States | 0 | - | 4.93 | 86,491 |
| Countries with the Highest HDI | 0 | - | 4.95 | 134,968 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 72,689 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 69,197 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 100,633 |
| World Map Quiz | 0 | - | 4.87 | 59,109 |
| Countries Connected in the World Map #2 | 0 | - | 4.98 | 75,967 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 72,824 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 72,153 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 149,509 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 69,946 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 87,800 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 52,485 |
| Southernmost Countries of the World | 0 | - | 4.99 | 220,346 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 99,958 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 117,774 |
| Countries With the Most Languages | 0 | - | 4.89 | 191,927 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.93 | 97,459 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 89,588 |
| Countries with the Most Prisoners | 0 | - | 4.93 | 94,777 |
| Countries with the Most Domestic Camels | 0 | - | 4.93 | 58,997 |
| Tallest Countries North to South | 0 | - | 4.84 | 116,611 |
| Widest Countries East to West | 0 | - | 4.92 | 125,722 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 70,428 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 181,558 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 95,977 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 91,137 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 126,267 |
| Countries with the Most Desert | 0 | - | 4.93 | 124,122 |
| Countries by Contribution to UN Budget | 0 | - | 4.85 | 68,285 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 33,822 |
| Countries with Double Letters | 0 | - | 4.97 | 85,867 |
| Countries that End in N | 0 | - | 4.94 | 149,378 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 249,873 |
| Countries with Six Letters Quiz | 0 | - | 4.94 | 203,500 |
| Countries with W | 0 | - | 4.97 | 152,391 |
| Countries with Z | 0 | - | 4.98 | 279,464 |
| Countries with Letters Missing | 0 | - | 4.97 | 179,113 |
