| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,841 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,694 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,962 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,847 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,074 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,553 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,357 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,440 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,120 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,262 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,607 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,581 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,514 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,558 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,668 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,443 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,116 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,541 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,731 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,132 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,462 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,791 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,999 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,094 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,921 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,778 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,506 |
| World Coats of Arms | 0 | - | 4.99 | 64,533 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,479 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,960 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,476 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,967 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,574 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,464,653 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,747 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,171 |
| Landlocked Countries | 0 | - | 4.99 | 420,582 |
| Merged Countries #2 | 0 | - | 4.96 | 99,089 |
| Merged Countries #6 | 0 | - | 4.90 | 73,289 |
| Merged Countries #7 | 0 | - | 4.93 | 82,636 |
| World Map without 12 Countries | 0 | - | 4.97 | 344,465 |
| Pixelated World Map | 0 | - | 5.00 | 143,406 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 907,177 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 416,774 |
| Every Country Shape | 0 | - | 5.00 | 465,511 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,767,935 |
| Flags of North and South America | 0 | - | 4.99 | 373,154 |
| Former Flags | 0 | - | 4.97 | 107,745 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,736 |
| Himalayan Countries | 0 | - | 4.95 | 138,104 |
| Andean Countries | 0 | - | 4.95 | 84,275 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,494 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,351 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,125 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,573 |
| Danube Countries | 0 | - | 4.97 | 71,839 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,804 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,245 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,983 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,435 |
| European Landlocked Countries | 0 | - | 4.99 | 146,977 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,386 |
| Countries with the Most Species | 0 | - | 4.99 | 103,099 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,541 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,508 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,660 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,448 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,117 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,509 |
| Countries in the Alps | 0 | - | 4.87 | 117,963 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 99,566 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,726 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,549 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,460 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,313 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,834 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,474 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,342 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,079 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,706 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,568 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,421 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,074 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,352 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,369 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,551 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,181 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,692 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,826 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,211 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,685 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,113 |
| Largest Countries By Category | 0 | - | 4.97 | 157,936 |
| Countries by Countries | 0 | - | 4.97 | 63,018 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,472 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,219 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,513 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,782 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,347 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,062 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,262 |
| Island Countries | 0 | - | 4.99 | 710,417 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,451 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,145 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,221 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,940 |
| Similar Flags #1 | 0 | - | 4.75 | 130,054 |
| Similar Flags #2 | 0 | - | 4.74 | 137,336 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,514 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,047,955 |
| Northernmost Countries | 0 | - | 4.99 | 361,257 |
| Countries of South America | 0 | - | 5.00 | 925,156 |
| Countries of Oceania | 0 | - | 5.00 | 1,054,105 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,872,096 |
| "Land" Countries | 0 | - | 4.98 | 336,505 |
| Countries by Picture #1 | 0 | - | 4.51 | 115,116 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,609 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,287 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 173,217 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 138,259 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,379,857 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,889 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,955 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 225,546 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 164,181 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 36,851 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 104,483 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 111,530 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 122,166 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 108,326 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,670 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,195 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,888 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,242 |
| All Country Flags of the World | 0 | - | 5.00 | 3,665,262 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,479 |
| Countries with Megacities | 0 | - | 4.99 | 263,471 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,318 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,257 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,615 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,294 |
| Countries by Official Language | 0 | - | 4.95 | 194,949 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 295,967 |
| Countries in their Native Language | 0 | - | 4.99 | 198,469 |
| Independence from Whom | 0 | - | 4.99 | 211,728 |
| Subdivisions by Country | 0 | - | 4.86 | 50,363 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,996 |
| Megadiverse Countries | 0 | - | 4.96 | 134,889 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 131,812 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,263 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,847 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,061 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,919 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,486 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 94,229 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,941 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,567 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,045 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 77,355 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,797 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,096 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,873 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,254 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,419 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 110,707 |
| World Map Quiz | 0 | - | 4.81 | 64,879 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 156,436 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 80,460 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,175 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 76,415 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 154,445 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,570 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 107,200 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,100 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 31,100 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,795 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 105,101 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,833 |
| Countries With the Most Languages | 0 | - | 4.90 | 201,798 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,735 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,867 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,176 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,356 |
| Tallest Countries North to South | 0 | - | 4.83 | 120,445 |
| Widest Countries East to West | 0 | - | 4.92 | 129,510 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,417 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 186,179 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,066 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 94,643 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 148,418 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,710 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,312 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,765 |
| Countries with Double Letters | 0 | - | 4.97 | 95,432 |
| Countries that End in N | 0 | - | 4.95 | 170,472 |
| Countries with Five Letters | 0 | - | 4.96 | 281,441 |
| Countries with Six Letters | 0 | - | 4.94 | 212,883 |
| Countries with W | 0 | - | 4.97 | 159,769 |
| Countries with Z | 0 | - | 4.98 | 290,704 |
| Countries with Letters Missing | 0 | - | 4.96 | 186,040 |
