| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,675 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,003 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,242 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,320 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,540 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,525 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,112 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,305 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,760 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,496 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,829 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,520 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,460 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,493 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,394 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,450 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,242 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,842 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,251 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,172 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,533 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,154 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,505 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,760 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,842 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,811 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,830 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,287 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,078 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,265 |
| 20 Random Country Flags | 0 | - | 4.99 | 619,957 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,944,343 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,360 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,664 |
| Landlocked Countries | 0 | - | 4.99 | 426,929 |
| Merged Countries #2 | 0 | - | 4.96 | 99,938 |
| Merged Countries #4 | 0 | - | 4.81 | 94,172 |
| Merged Countries #6 | 0 | - | 4.90 | 73,874 |
| Merged Countries #7 | 0 | - | 4.93 | 83,218 |
| World Map without 12 Countries | 0 | - | 4.97 | 346,357 |
| Pixelated World Map | 0 | - | 5.00 | 144,216 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 910,095 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 418,752 |
| Every Country Shape | 0 | - | 5.00 | 472,120 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,809,971 |
| Flags of North and South America | 0 | - | 4.99 | 377,730 |
| Former Flags | 0 | - | 4.97 | 108,746 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,759 |
| Himalayan Countries | 0 | - | 4.93 | 140,678 |
| Andean Countries | 0 | - | 4.94 | 85,733 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,853 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,394 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,409 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,639 |
| Danube Countries | 0 | - | 4.97 | 72,515 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,741 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,942 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,368 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,824 |
| European Landlocked Countries | 0 | - | 4.99 | 147,704 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,479 |
| Countries with the Most Species | 0 | - | 4.99 | 103,626 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,580 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,802 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,937 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,902 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,656 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,105 |
| Countries in the Alps | 0 | - | 4.87 | 118,919 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,907 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,056 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,039 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,138 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,088 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,358 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,538 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,967 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,493 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,285 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,935 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,816 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,645 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,896 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,991 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,078 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,696 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,137 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,802 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,141 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,400 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,592 |
| Largest Countries By Category | 0 | - | 4.97 | 159,026 |
| Countries by Countries | 0 | - | 4.97 | 63,775 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,384 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,438 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,192 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 54,949 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,292 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,962 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,166 |
| Island Countries | 0 | - | 4.99 | 712,877 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,812 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,533 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,576 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,168 |
| Similar Flags #1 | 0 | - | 4.75 | 130,898 |
| Similar Flags #2 | 0 | - | 4.74 | 138,173 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,746 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,055,775 |
| Northernmost Countries | 0 | - | 4.99 | 364,441 |
| Countries of South America | 0 | - | 5.00 | 933,777 |
| Countries of Oceania | 0 | - | 5.00 | 1,064,838 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,891,907 |
| "Land" Countries | 0 | - | 4.98 | 338,855 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,508 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,098 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,068 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 174,867 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 139,599 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,396,106 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 79,568 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 297,615 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 226,994 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 165,362 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 40,240 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 34,574 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 105,232 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 112,206 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 123,059 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 109,005 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 81,183 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 58,703 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 86,432 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 95,854 |
| All Country Flags of the World | 0 | - | 5.00 | 3,721,566 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,415 |
| Countries with Megacities | 0 | - | 4.99 | 267,643 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,060 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,285 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,402 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,389 |
| Countries by Official Language | 0 | - | 4.95 | 196,161 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 297,853 |
| Countries in their Native Language | 0 | - | 4.99 | 199,898 |
| Independence from Whom | 0 | - | 4.99 | 213,320 |
| Subdivisions by Country | 0 | - | 4.87 | 50,652 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 133,609 |
| Megadiverse Countries | 0 | - | 4.96 | 147,968 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 133,077 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 55,569 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 126,775 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 75,246 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 164,411 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,910 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 95,237 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 154,604 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 96,142 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 45,280 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,704 |
| Landmarks of Countries #1 | 0 | - | 4.89 | 108,461 |
| Countries Furthest from the United States | 0 | - | 4.94 | 89,487 |
| Countries with the Highest HDI | 0 | - | 4.95 | 137,197 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 75,618 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,942 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 112,637 |
| World Map Quiz | 0 | - | 4.81 | 65,874 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 159,720 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 81,309 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 77,980 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 77,217 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 155,674 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 74,235 |
| Smallest Countries with at Least One Border | 0 | - | 4.88 | 107,776 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 55,611 |
| Southernmost Countries of the World | 0 | - | 4.99 | 229,435 |
| Countries by Inland Surface Water | 0 | - | 4.93 | 106,193 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 123,661 |
| Countries With the Most Languages | 0 | - | 4.90 | 203,838 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.96 | 111,521 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 94,630 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 99,822 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,744 |
| Tallest Countries North to South | 0 | - | 4.85 | 130,904 |
| Widest Countries East to West | 0 | - | 4.92 | 130,805 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,623 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 187,351 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 98,545 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 95,131 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 149,068 |
| Countries with the Most Desert | 0 | - | 4.93 | 128,583 |
| Countries by Contribution to UN Budget | 0 | - | 4.88 | 77,526 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.83 | 34,916 |
| Countries with Double Letters | 0 | - | 4.96 | 97,511 |
| Countries that End in N | 0 | - | 4.95 | 172,534 |
| Countries with Five Letters | 0 | - | 4.96 | 284,501 |
| Countries with Six Letters | 0 | - | 4.94 | 214,857 |
| Countries with W | 0 | - | 4.96 | 161,240 |
| Countries with Z | 0 | - | 4.98 | 292,883 |
| Countries with Letters Missing | 0 | - | 4.96 | 187,597 |
| Countries That End in U | 0 | - | 4.95 | 121,349 |
