| All Country Flags of the World | 0 | - | 5.00 | 3,724,658 |
| Countries by Road Signs | 0 | - | 4.98 | 54,450 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 62,279 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,598 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,547,791 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,098,247 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 737,136 |
| Flags with Crescents | 0 | - | 4.98 | 171,740 |
| Country Flag Trivia | 0 | - | 4.82 | 58,299 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 105,174 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,634 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,883 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.81 | 53,632 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 396,648 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,261,269 |
| Flags of Asia Quiz | 0 | - | 4.99 | 621,846 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 147,061 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,274 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,336 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,627 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,618 |
| Flags with the Most Stars | 0 | - | 4.91 | 138,219 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,358 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,818 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,590 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,915 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,575 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,494 |
| Pixelated World Map | 0 | - | 5.00 | 144,269 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,554 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,447 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,494 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,294 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,880 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,294 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,189 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,555 |
| Country Flags Slideshow | 0 | - | 4.91 | 48,019 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 100,193 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,543 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,797 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,877 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 32,850 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,133 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,683 |
| World Coats of Arms | 0 | - | 4.99 | 65,319 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,904 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,860 |
| Flags of Africa Quiz | 0 | - | 5.00 | 479,041 |
| Flags of North and South America | 0 | - | 4.99 | 378,097 |
| Flags to Languages | 0 | - | 4.95 | 174,693 |
| Former Flags | 0 | - | 4.97 | 108,819 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,305 |
| Country Flags With Blue Removed | 0 | - | 4.89 | 45,101 |
| Boundary Waters | 0 | - | 4.92 | 88,836 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,467 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,839 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,565 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,061 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,084 |
| Geography by Picture - B | 0 | - | 4.42 | 55,831 |
| Geography by Picture - H | 0 | - | 4.50 | 58,431 |
| Geography by Picture - N | 0 | - | 4.45 | 42,395 |
| Geography by Picture - R | 0 | - | 4.56 | 41,191 |
| Geography by Picture - T | 0 | - | 4.54 | 58,044 |
| Flags of Oceania | 0 | - | 5.00 | 263,447 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,842 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 138,565 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,589 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,885 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,611 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,282 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 341,043 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,969,880 |
| Landlocked Countries | 0 | - | 4.99 | 427,251 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 591,913 |
| 20 Random Country Flags | 0 | - | 4.99 | 620,351 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,396 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,681 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 282,401 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,530 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,676 |
| Flag Maths | 0 | - | 4.61 | 57,865 |
| Satellite Images #1 | 0 | - | 4.46 | 130,098 |
| Satellite Images Quiz #2 | 0 | - | 4.64 | 109,824 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,456 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,303 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,267 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,671 |
| International Footballers by Picture | 0 | - | 4.51 | 56,598 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 287,407 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 109,677 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,993 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,516 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,170 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,190 |
| World Capitals Quiz | 0 | - | 5.00 | 5,113,805 |
| Sahara Desert Countries | 0 | - | 4.98 | 166,918 |
| Himalayan Countries | 0 | - | 4.93 | 140,833 |
| Andean Countries | 0 | - | 4.94 | 85,802 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,920 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 127,492 |
| Coffee Producing Countries | 0 | - | 4.83 | 68,468 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,691 |
| Danube Countries | 0 | - | 4.97 | 72,559 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 117,801 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,972 |
| Countries with the Worst Passports | 0 | - | 4.93 | 85,445 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,918 |
| European Landlocked Countries | 0 | - | 4.99 | 147,741 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,540 |
| Countries with the Most Species | 0 | - | 4.99 | 103,646 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,640 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,814 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,953 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,926 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,680 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 58,131 |
| Countries in the Alps | 0 | - | 4.87 | 118,975 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,995 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 108,134 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 79,054 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 97,172 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 117,128 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,391 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,599 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,992 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,515 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,315 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,954 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,831 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,676 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,924 |
| Countries with the Most Grassland | 0 | - | 4.94 | 78,022 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 120,150 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,735 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 76,458 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,843 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 246,309 |
| World Countries - Blind Typing | 0 | - | 5.00 | 109,495 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,617 |
| Largest Countries By Category | 0 | - | 4.97 | 159,096 |
| Countries by Countries | 0 | - | 4.97 | 63,808 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,447 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,450 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,705 |
| All Countries by Population With a Map | 0 | - | 4.98 | 111,438 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,552 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 89,231 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,812,495 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,580 |
| Western Europe Map Quiz | 0 | - | 4.86 | 94,026 |
| Geography by Picture - A | 0 | - | 4.39 | 60,486 |
| Geography by Picture - D | 0 | - | 4.15 | 45,825 |
| Geography by Picture - F | 0 | - | 4.31 | 51,231 |
| Geography by Picture - G | 0 | - | 4.39 | 48,121 |
| Geography by Picture - J | 0 | - | 4.16 | 38,632 |
| Geography by Picture - K | 0 | - | 4.29 | 33,291 |
| Geography by Picture - C | 0 | - | 4.31 | 57,281 |
| Geography by Picture - L | 0 | - | 4.37 | 59,175 |
| Geography by Picture - M | 0 | - | 4.14 | 40,617 |
| Geography by Picture - P | 0 | - | 4.24 | 42,602 |
| Geography by Picture - S | 0 | - | 4.38 | 47,211 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,654 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,887 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,656 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,258 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 210,408 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,657 |
| Longest International Borders | 0 | - | 4.99 | 266,000 |
| Countries with Three Borders | 0 | - | 4.96 | 36,828 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,425 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,570 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.86 | 37,212 |
| Demonym of Every Country | 0 | - | 4.90 | 61,636 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,554 |
| Islands by Picture | 0 | - | 4.28 | 107,961 |
| Former Countries by Territory Map | 0 | - | 4.96 | 104,213 |
| Empires by Maps | 0 | - | 4.98 | 122,553 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,619 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,602,266 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 377,041 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 410,367 |
| Island Countries | 0 | - | 4.99 | 713,013 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,835 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,550 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,595 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,184 |
| Similar Flags #1 | 0 | - | 4.75 | 130,954 |
| Similar Flags #2 | 0 | - | 4.74 | 138,234 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,757 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,056,166 |
| Northernmost Countries | 0 | - | 4.99 | 364,598 |
| Countries of South America | 0 | - | 5.00 | 934,304 |
| Countries of Oceania | 0 | - | 5.00 | 1,065,539 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,893,043 |
| "Land" Countries | 0 | - | 4.98 | 338,995 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,546 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,117 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,259 |
