| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,181 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,604 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,800 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,148 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,653 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,779 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,543 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,297 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,285 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,060 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,044 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,870 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,092 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,184 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,951 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,643 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,129 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,478 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,863 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,020 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,332 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,520 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,658 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,531 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,375 |
| World Coats of Arms | 0 | - | 4.99 | 64,128 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,218 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,769 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,089 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,395 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,822 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,186 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,987 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,785 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,341 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,048 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,154,640 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,335 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,873 |
| Landlocked Countries | 0 | - | 4.99 | 416,550 |
| Merged Countries #2 | 0 | - | 4.96 | 98,704 |
| Merged Countries #6 | 0 | - | 4.90 | 72,951 |
| Merged Countries #7 | 0 | - | 4.93 | 82,210 |
| World Map without 12 Countries | 0 | - | 4.97 | 343,310 |
| Pixelated World Map | 0 | - | 5.00 | 142,863 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 905,488 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,698 |
| Every Country Shape | 0 | - | 5.00 | 461,656 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,739,842 |
| Flags of North and South America | 0 | - | 4.99 | 370,049 |
| Former Flags | 0 | - | 4.97 | 107,159 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,880 |
| Himalayan Countries | 0 | - | 4.95 | 136,457 |
| Andean Countries | 0 | - | 4.95 | 83,466 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,726 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,963 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,402 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,007 |
| Danube Countries | 0 | - | 4.97 | 71,384 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,194 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,841 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,133 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,092 |
| European Landlocked Countries | 0 | - | 4.99 | 146,120 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,747 |
| Countries with the Most Species | 0 | - | 4.99 | 101,317 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,880 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,326 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,502 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,152 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,800 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,176 |
| Countries in the Alps | 0 | - | 4.86 | 117,308 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,889 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,866 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,246 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,735 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,809 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,248 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,973 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,989 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,792 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,323 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,354 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,199 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,714 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,986 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,998 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,686 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,887 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,421 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,227 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,941 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,546 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,818 |
| Largest Countries By Category | 0 | - | 4.97 | 157,236 |
| Countries by Countries | 0 | - | 4.96 | 62,582 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,862 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,077 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,409 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,075 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,241 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,708 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 373,789 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 403,688 |
| Island Countries | 0 | - | 4.99 | 708,770 |
| Similar Flags #1 | 0 | - | 4.74 | 129,484 |
| Similar Flags #2 | 0 | - | 4.74 | 136,774 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,043,208 |
| Northernmost Countries | 0 | - | 4.99 | 359,311 |
| Countries of South America | 0 | - | 5.00 | 919,518 |
| Countries of Oceania | 0 | - | 5.00 | 1,046,473 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,858,230 |
| "Land" Countries | 0 | - | 4.98 | 334,560 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,626 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,121 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,789 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 172,338 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,547 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,370,163 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,406 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 295,147 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,856 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,463 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 35,391 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,697 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,984 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,643 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,625 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,275 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,820 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,327 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,894 |
| All Country Flags of the World | 0 | - | 5.00 | 3,628,941 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,242 |
| Countries with Megacities | 0 | - | 4.99 | 248,874 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,098 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,529 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,457 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,478 |
| Countries by Official Language | 0 | - | 4.95 | 193,977 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 294,488 |
| Countries in their Native Language | 0 | - | 4.99 | 197,607 |
| Independence from Whom | 0 | - | 4.99 | 210,772 |
| Subdivisions by Country | 0 | - | 4.86 | 50,191 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 131,304 |
| Megadiverse Countries | 0 | - | 4.96 | 134,527 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 130,801 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 55,072 |
| Countries with Multiple Big Islands | 0 | - | 4.92 | 125,622 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,946 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 162,425 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 62,208 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 93,564 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,539 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,365 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,804 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,144 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,578 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,680 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,636 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,849 |
| Most Dispersed Island Nations | 0 | - | 4.97 | 71,196 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 109,521 |
| World Map Quiz | 0 | - | 4.81 | 64,060 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 154,313 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,986 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,663 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,917 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,924 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 73,120 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,681 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,797 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.98 | 29,461 |
| Southernmost Countries of the World | 0 | - | 4.99 | 227,041 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 104,653 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 122,384 |
| Countries With the Most Languages | 0 | - | 4.90 | 200,673 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 110,255 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.90 | 93,449 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,612 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 61,140 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,634 |
| Widest Countries East to West | 0 | - | 4.92 | 129,131 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,326 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,631 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,906 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,945 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,965 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,346 |
| Countries by Contribution to UN Budget | 0 | - | 4.87 | 77,078 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,669 |
| Countries with Double Letters | 0 | - | 4.96 | 94,079 |
| Countries that End in N | 0 | - | 4.95 | 164,868 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 259,512 |
| Countries with Six Letters | 0 | - | 4.93 | 211,078 |
| Countries with W | 0 | - | 4.97 | 158,764 |
| Countries with Z | 0 | - | 4.98 | 288,693 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,997 |
| Countries That End in U | 0 | - | 4.95 | 119,889 |
