| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,313 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,932 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,429 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 142,654 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,123 |
| Flags with the Most Stars | 0 | - | 4.91 | 134,785 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,311 |
| Flags that are Red & White Only | 0 | - | 4.97 | 159,580 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,545 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 73,915 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,554 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,572 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,322 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,681 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,748 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,538 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,233 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,772 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,238 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,648 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,353 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,659 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,709 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,934 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,344 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,266 |
| World Coats of Arms | 0 | - | 4.99 | 63,831 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,020 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,600 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,750 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,533 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,689 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,340 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,967 |
| 20 Random Country Flags | 0 | - | 4.99 | 604,090 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,895,421 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,034 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,583 |
| Landlocked Countries | 0 | - | 4.99 | 413,321 |
| Merged Countries #2 | 0 | - | 4.96 | 98,442 |
| Merged Countries #6 | 0 | - | 4.91 | 72,685 |
| Merged Countries #7 | 0 | - | 4.92 | 81,928 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,269 |
| Pixelated World Map | 0 | - | 5.00 | 142,389 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 904,001 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 414,699 |
| Every Country Shape | 0 | - | 5.00 | 458,622 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,714,026 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,543 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,141 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,910 |
| Flags of North and South America | 0 | - | 4.99 | 366,787 |
| Former Flags | 0 | - | 4.97 | 106,636 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,453 |
| Himalayan Countries | 0 | - | 4.95 | 135,241 |
| Andean Countries | 0 | - | 4.94 | 82,766 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,179 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,119 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,849 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,555 |
| Danube Countries | 0 | - | 4.97 | 71,049 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,717 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,506 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,405 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,332 |
| European Landlocked Countries | 0 | - | 4.99 | 145,720 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,150 |
| Countries with the Most Species | 0 | - | 4.99 | 95,228 |
| Countries 197 to 205 | 0 | - | 4.87 | 69,293 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,192 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,357 |
| Countries that Use the Peso | 0 | - | 4.88 | 58,941 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,552 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,922 |
| Countries in the Alps | 0 | - | 4.86 | 116,772 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,527 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,195 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,986 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,393 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,117 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 94,972 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,536 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,727 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,138 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,024 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,185 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,025 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,420 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,714 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,725 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,004 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,616 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,240 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,737 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,110 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,544 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,577 |
| Largest Countries By Category | 0 | - | 4.97 | 156,704 |
| Countries by Countries | 0 | - | 4.96 | 62,232 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,331 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,953 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,318 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,726 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 52,735 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,492 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,025 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 401,645 |
| Island Countries | 0 | - | 4.99 | 707,497 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,018 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,664 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,796 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,667 |
| Similar Flags #1 | 0 | - | 4.74 | 129,058 |
| Similar Flags #2 | 0 | - | 4.74 | 136,323 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,206 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,039,082 |
| Northernmost Countries | 0 | - | 4.99 | 357,558 |
| Countries of South America | 0 | - | 5.00 | 914,203 |
| Countries of Oceania | 0 | - | 5.00 | 1,039,807 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,847,232 |
| "Land" Countries | 0 | - | 4.98 | 333,560 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,341 |
| World Map without 12 Countries #2 | 0 | - | 4.97 | 171,247 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 136,951 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,361,500 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 77,996 |
| Country Shapes Quiz #3 | 0 | - | 4.91 | 294,230 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,148 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 161,753 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,322 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,294 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,616 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,220 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,265 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 79,997 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,527 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,009 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,582 |
| All Country Flags of the World | 0 | - | 5.00 | 3,599,433 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,002 |
| Countries with Megacities | 0 | - | 4.99 | 246,544 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,923 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,804 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,374 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,761 |
| Countries by Official Language | 0 | - | 4.95 | 192,708 |
| Countries with the Most Speakers of These Languages | 0 | - | 4.91 | 293,041 |
| Countries in their Native Language | 0 | - | 4.99 | 196,567 |
| Independence from Whom | 0 | - | 4.99 | 209,609 |
| Subdivisions by Country | 0 | - | 4.86 | 50,052 |
| Who Controlled These Colonies? | 0 | - | 4.88 | 130,691 |
| Megadiverse Countries | 0 | - | 4.97 | 133,867 |
| Countries With the Most English Speakers | 0 | - | 4.86 | 129,740 |
| Countries Producing the Most Sugarcane | 0 | - | 4.95 | 54,904 |
| Countries with Multiple Big Islands | 0 | - | 4.93 | 125,408 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.89 | 74,848 |
| 15 Biggest Island Countries | 0 | - | 4.98 | 161,613 |
| Most Recently-Settled Countries | 0 | - | 4.94 | 61,980 |
| Countries of the World in 1938 Quiz | 0 | - | 4.95 | 92,854 |
| Countries Bigger Than Their Neighbors | 0 | - | 4.93 | 153,122 |
| Countries with Multiple Populous Islands | 0 | - | 4.89 | 95,204 |
| Countries in Relation to Cities #1 | 0 | - | 4.92 | 44,734 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 75,509 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,400 |
| Countries Furthest from the United States | 0 | - | 4.94 | 88,476 |
| Countries with the Highest HDI | 0 | - | 4.95 | 136,486 |
| Straight Shot to the Arctic Circle | 0 | - | 4.88 | 74,646 |
| Most Dispersed Island Nations | 0 | - | 4.96 | 71,005 |
| Countries of the World in Alphabetical Order | 0 | - | 5.00 | 108,506 |
| World Map Quiz | 0 | - | 4.81 | 63,460 |
| Recognized, Non-Recognized Countries, and Territories of the World | 0 | - | 5.00 | 152,493 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,549 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,274 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,541 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,495 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,771 |
| Smallest Countries with at Least One Border | 0 | - | 4.87 | 106,292 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,580 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 27,929 |
| Southernmost Countries of the World | 0 | - | 4.99 | 226,274 |
| Countries by Inland Surface Water | 0 | - | 4.94 | 103,947 |
| Top 20 Motor Vehicle Producing Countries | 0 | - | 4.91 | 121,909 |
| Countries With the Most Languages | 0 | - | 4.90 | 199,651 |
| Countries with the Highest Population Under Age 15 | 0 | - | 4.95 | 109,824 |
| Countries with the Highest Population 65 and Older | 0 | - | 4.89 | 93,030 |
| Countries with the Most Prisoners | 0 | - | 4.94 | 98,241 |
| Countries with the Most Domestic Camels | 0 | - | 4.94 | 60,925 |
| Tallest Countries North to South | 0 | - | 4.83 | 119,313 |
| Widest Countries East to West | 0 | - | 4.92 | 128,580 |
| Countries with the Highest Average Elevation | 0 | - | 4.98 | 71,210 |
| Largest Countries by Area or Population | 0 | - | 5.00 | 185,169 |
| Countries with the Most Area in the Southern Hemisphere | 0 | - | 4.99 | 97,554 |
| Most Populous Countries as a Percent of Their Continent | 0 | - | 4.97 | 93,670 |
| Largest Countries as a Percent of Continent | 0 | - | 4.97 | 147,598 |
| Countries with the Most Desert | 0 | - | 4.93 | 127,014 |
| Countries by Contribution to UN Budget | 0 | - | 4.86 | 69,046 |
| Countries with Most Nobel Laureates per Capita | 0 | - | 4.84 | 34,568 |
| Countries with Double Letters | 0 | - | 4.97 | 93,314 |
| Countries that End in N | 0 | - | 4.94 | 156,379 |
| Countries with Five Letters Quiz | 0 | - | 4.96 | 258,607 |
