| All Country Flags of the World | 0 | - | 5.00 | 3,571,454 |
| Countries by Road Signs | 0 | - | 4.98 | 52,671 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 60,730 |
| Islands by Shape #2 | 0 | - | 4.88 | 58,705 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,520,282 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,084,515 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 727,655 |
| Flags with Crescents | 0 | - | 4.98 | 166,550 |
| Country Flag Trivia | 0 | - | 4.81 | 55,336 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 101,635 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 75,967 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 85,181 |
| Flag Maths | 0 | - | 4.84 | 57,610 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 51,505 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 392,242 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,216,586 |
| Flags of Asia Quiz | 0 | - | 4.99 | 601,086 |
| Countries by Satellite Image #1 | 0 | - | 4.88 | 143,823 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 81,701 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,288 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 141,464 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 113,105 |
| Flags with the Most Stars | 0 | - | 4.91 | 124,112 |
| Flags that are Red & White Only | 0 | - | 4.97 | 144,093 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 143,448 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 54,046 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 45,920 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 66,860 |
| Pixelated World Map | 0 | - | 5.00 | 141,358 |
| Country Flags with the Most Red | 0 | - | 4.98 | 118,299 |
| Country Flags with the Most Blue | 0 | - | 4.90 | 91,032 |
| Country Flags with the Most Green | 0 | - | 4.95 | 98,149 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,000 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 97,748 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,299 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 66,951 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,360 |
| Country Flags Slideshow | 0 | - | 4.90 | 46,384 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 97,943 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 79,269 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 64,302 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 43,403 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,151 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,169 |
| World Coats of Arms | 0 | - | 4.99 | 63,543 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 86,124 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 97,764 |
| Flags of Africa Quiz | 0 | - | 5.00 | 458,978 |
| Flags of North and South America | 0 | - | 4.99 | 356,092 |
| Flags to Languages | 0 | - | 4.95 | 171,887 |
| Former Flags | 0 | - | 4.97 | 106,147 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.85 | 35,377 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 43,328 |
| Boundary Waters | 0 | - | 4.92 | 87,831 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,662 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 94,873 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 60,676 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,550 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 69,379 |
| Countries by Partial Flag Images #7 | 0 | - | 4.89 | 30,040 |
| Geography by Picture - B | 0 | - | 4.42 | 55,290 |
| Geography by Picture - H | 0 | - | 4.49 | 57,939 |
| Geography by Picture - N | 0 | - | 4.45 | 41,974 |
| Geography by Picture - R | 0 | - | 4.55 | 40,814 |
| Geography by Picture - T | 0 | - | 4.54 | 57,584 |
| Flags of Oceania | 0 | - | 5.00 | 252,827 |
| Three Band Flags of Europe | 0 | - | 4.97 | 190,876 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,179 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,613 |
| Pixelated Asia Map | 0 | - | 4.92 | 71,986 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,283 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,446 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 333,711 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,651,817 |
| Landlocked Countries | 0 | - | 4.99 | 410,236 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 543,523 |
| 20 Random Country Flags | 0 | - | 4.99 | 600,826 |
| Countries by Bordering Flags #1 | 0 | - | 4.91 | 111,697 |
| Countries by Bordering Flags #2 | 0 | - | 4.85 | 82,280 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 277,375 |
| Flags of the Mediterranean | 0 | - | 4.94 | 146,817 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 142,890 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 128,825 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 108,833 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,495 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,521 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,676 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,015 |
| International Footballers by Picture | 0 | - | 4.49 | 54,126 |
| Name that Historical Figure #2 | 0 | - | 4.43 | 280,138 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 105,906 |
| World Geography on a Map #1 | 0 | - | 4.94 | 72,938 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,605 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,076 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,443 |
| World Capitals Quiz | 0 | - | 5.00 | 5,008,207 |
| Sahara Desert Countries | 0 | - | 4.98 | 158,914 |
| Himalayan Countries | 0 | - | 4.95 | 134,127 |
| Andean Countries | 0 | - | 4.94 | 82,149 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 61,680 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 122,260 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,266 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,090 |
| Danube Countries | 0 | - | 4.97 | 70,454 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 115,177 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,169 |
| Countries with the Worst Passports | 0 | - | 4.93 | 81,726 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 146,611 |
| European Landlocked Countries | 0 | - | 4.99 | 145,372 |
| Partially Recognized Countries | 0 | - | 4.98 | 104,584 |
| Countries with the Most Species | 0 | - | 4.99 | 94,986 |
| Countries 197 to 205 | 0 | - | 4.89 | 68,698 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,062 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,222 |
| Countries that Use the Peso | 0 | - | 4.87 | 58,686 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,290 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 56,599 |
| Countries in the Alps | 0 | - | 4.87 | 116,233 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,153 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 104,445 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 77,747 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,070 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 114,735 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.90 | 94,715 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,129 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,456 |
| Largest Country by Body of Water | 0 | - | 4.96 | 50,045 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 61,692 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 52,997 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 40,836 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,111 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,454 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,434 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 116,267 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,354 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,017 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 43,907 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 237,241 |
| World Countries - Blind Typing | 0 | - | 5.00 | 104,576 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,368 |
| Largest Countries By Category | 0 | - | 4.97 | 156,178 |
| Countries by Countries | 0 | - | 4.96 | 61,885 |
| Country Flags with the Most White | 0 | - | 4.87 | 136,801 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,833 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,232 |
| All Countries by Population With a Map | 0 | - | 4.98 | 105,626 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 97,764 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,366 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,690,643 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 143,837 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,152 |
| Geography by Picture - A | 0 | - | 4.39 | 59,937 |
| Geography by Picture - D | 0 | - | 4.15 | 45,409 |
| Geography by Picture - F | 0 | - | 4.31 | 50,735 |
| Geography by Picture - G | 0 | - | 4.38 | 47,713 |
| Geography by Picture - J | 0 | - | 4.16 | 38,264 |
| Geography by Picture - K | 0 | - | 4.28 | 32,955 |
| Geography by Picture - C | 0 | - | 4.31 | 56,823 |
| Geography by Picture - L | 0 | - | 4.37 | 58,648 |
| Geography by Picture - M | 0 | - | 4.14 | 40,289 |
| Geography by Picture - P | 0 | - | 4.24 | 42,245 |
| Geography by Picture - S | 0 | - | 4.38 | 46,836 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 74,935 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,262 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,127 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,261 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 205,393 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,337 |
| Longest International Borders | 0 | - | 4.99 | 262,965 |
| Countries with Three Borders | 0 | - | 4.96 | 36,006 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,387 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,408 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,750 |
| Demonym of Every Country | 0 | - | 4.91 | 58,301 |
| Islands by Shape #1 | 0 | - | 4.32 | 83,863 |
| Islands by Picture | 0 | - | 4.29 | 105,343 |
| Former Countries by Territory Map | 0 | - | 4.95 | 100,791 |
| Empires by Maps | 0 | - | 4.98 | 117,292 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 320,746 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,562,892 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 370,924 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 399,370 |
| Island Countries | 0 | - | 4.99 | 706,039 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 70,821 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,487 |
| Countries by Satellite Image #4 | 0 | - | 4.61 | 66,618 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 46,544 |
| Country Flags with the Southern Cross | 0 | - | 4.78 | 61,097 |
| Similar Flags #1 | 0 | - | 4.74 | 128,372 |
| Similar Flags #2 | 0 | - | 4.74 | 135,721 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,097 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,035,066 |
| Northernmost Countries | 0 | - | 4.99 | 355,799 |
| Countries of South America | 0 | - | 5.00 | 909,758 |
| Countries of Oceania | 0 | - | 5.00 | 1,033,919 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,836,668 |
| "Land" Countries | 0 | - | 4.98 | 332,767 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,054 |
| Countries by Picture #3 | 0 | - | 4.51 | 58,798 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,176 |
