| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,256 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,257 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,912 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,410 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,522 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,017 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,638 |
| Flags that are Red & White Only | 0 | - | 4.97 | 157,390 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,433 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,547 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,496 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,508 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,215 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,614 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,693 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,488 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,171 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,736 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,212 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,622 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,306 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,615 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,653 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,884 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,988 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,580 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,695 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,473 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,668 |
| 20 Random Country Flags | 0 | - | 4.99 | 603,789 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,870,134 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 111,997 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,551 |
| Landlocked Countries | 0 | - | 4.99 | 413,070 |
| Merged Countries #2 | 0 | - | 4.96 | 98,408 |
| Merged Countries #6 | 0 | - | 4.91 | 72,659 |
| Merged Countries #7 | 0 | - | 4.92 | 81,908 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,123 |
| Pixelated World Map | 0 | - | 5.00 | 142,304 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 903,688 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,471 |
| Every Country Shape | 0 | - | 5.00 | 458,250 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,711,468 |
| Flags of North and South America | 0 | - | 4.99 | 366,088 |
| Former Flags | 0 | - | 4.97 | 106,556 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,338 |
| Himalayan Countries | 0 | - | 4.95 | 135,126 |
| Andean Countries | 0 | - | 4.94 | 82,711 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,125 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,048 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,801 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 64,504 |
| Danube Countries | 0 | - | 4.97 | 71,018 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,682 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,477 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,337 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,255 |
| European Landlocked Countries | 0 | - | 4.99 | 145,691 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,092 |
| Countries with the Most Species | 0 | - | 4.99 | 95,208 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,244 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,183 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,341 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,919 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,534 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,892 |
| Countries in the Alps | 0 | - | 4.87 | 116,722 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,501 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,128 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,961 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,351 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,085 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,946 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,499 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,705 |
| Largest Country by Body of Water | 0 | - | 4.96 | 56,719 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,994 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,174 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,008 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,391 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,696 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,697 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,931 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,584 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,214 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,712 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 238,945 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,440 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,558 |
| Largest Countries By Category | 0 | - | 4.97 | 156,660 |
| Countries by Countries | 0 | - | 4.96 | 62,190 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,268 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,941 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,309 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,688 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,671 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,249 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 371,910 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,118 |
| Island Countries | 0 | - | 4.99 | 707,343 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,999 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,648 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,781 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,659 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,294 |
| Similar Flags #1 | 0 | - | 4.74 | 129,009 |
| Similar Flags #2 | 0 | - | 4.74 | 136,265 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,199 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,038,645 |
| Northernmost Countries | 0 | - | 4.99 | 357,380 |
| Countries of South America | 0 | - | 5.00 | 913,767 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,103 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,846,036 |
| "Land" Countries | 0 | - | 4.98 | 333,479 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,325 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,950 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,296 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,126 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 136,847 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,360,651 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,945 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,034 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 223,971 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 160,345 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,156 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,228 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,567 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,151 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,218 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 79,959 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,487 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 84,971 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,548 |
| All Country Flags of the World | 0 | - | 5.00 | 3,596,306 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,922 |
| Countries with Megacities | 0 | - | 4.99 | 246,334 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,844 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,762 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,296 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,704 |
| Countries by Official Language | 0 | - | 4.95 | 192,631 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 292,946 |
| Countries in their Native Language | 0 | - | 4.99 | 196,507 |
| Independence from Whom | 0 | - | 4.99 | 209,535 |
| Subdivisions by Country | 0 | - | 4.86 | 50,039 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,620 |
| Megadiverse Countries | 0 | - | 4.97 | 133,843 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,682 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,888 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,382 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,844 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,573 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,953 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,624 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,081 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,187 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,725 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,437 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,377 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,450 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,464 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,624 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 70,995 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,404 |
| World Map Quiz | 0 | - | 4.81 | 63,401 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,342 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,505 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,229 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,499 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,454 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,732 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,245 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,552 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 27,704 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,205 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,908 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,873 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,562 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,792 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 92,992 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,196 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,894 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,280 |
| Widest Countries East to West | 0 | - | 4.92 | 128,543 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,197 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,120 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,533 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,638 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,538 |
| Countries with the Most Desert | 0 | - | 4.93 | 126,967 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,037 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,555 |
| Countries with Double Letters | 0 | - | 4.97 | 93,257 |
| Countries that End in N | 0 | - | 4.94 | 156,329 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,538 |
| Countries with Six Letters | 0 | - | 4.93 | 210,239 |
| Countries with W | 0 | - | 4.97 | 158,142 |
| Countries with Z | 0 | - | 4.98 | 287,704 |
| Countries with Letters Missing | 0 | - | 4.97 | 184,453 |
| Countries That End in U | 0 | - | 4.95 | 119,466 |
