| All Country Flags of the World | 0 | - | 5.00 | 3,688,256 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,948 |
| Countries by Road Signs | 0 | - | 4.98 | 54,110 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,832 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,388 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,541,502 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,094,984 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,876 |
| Flags with Crescents | 0 | - | 4.98 | 170,549 |
| Country Flag Trivia | 0 | - | 4.81 | 57,535 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,323 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,947 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,975 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,165 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 395,130 |
| Boundary Waters | 0 | - | 4.92 | 88,628 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,299 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,386 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,904 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,719 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,690 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,367 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,939 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,109 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,431 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,580 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,150 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,695 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,927 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 146,610 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,844 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,940 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,882 |
| Pixelated World Map | 0 | - | 5.00 | 143,763 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,890 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,883 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,964 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,770 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,389 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,835 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,884 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,285 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,632 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,734 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,086 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,303 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,371 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,274 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 72,911 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,564 |
| World Coats of Arms | 0 | - | 4.99 | 64,811 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,619 |
| Flags to Languages | 0 | - | 4.95 | 174,058 |
| Former Flags | 0 | - | 4.97 | 108,107 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,066 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,718 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,250,803 |
| Flags of Asia Quiz | 0 | - | 4.99 | 616,925 |
| Flags of Africa Quiz | 0 | - | 5.00 | 474,347 |
| Flags of North and South America | 0 | - | 4.99 | 374,964 |
| Landmarks of Countries #2 | 0 | - | 4.51 | 54,289 |
| Geography by Picture - B | 0 | - | 4.42 | 55,698 |
| Geography by Picture - H | 0 | - | 4.50 | 58,301 |
| Geography by Picture - N | 0 | - | 4.45 | 42,275 |
| Geography by Picture - R | 0 | - | 4.56 | 41,088 |
| Geography by Picture - T | 0 | - | 4.54 | 57,922 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 131,060 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,092 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,662,642 |
| Landlocked Countries | 0 | - | 4.99 | 422,997 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 580,252 |
| Flags of Oceania | 0 | - | 5.00 | 261,049 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,923 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,168 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,495 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,123 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,764 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,129 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,565 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,577 |
| World Capitals Quiz | 0 | - | 5.00 | 5,089,538 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,016 |
| Himalayan Countries | 0 | - | 4.95 | 139,178 |
| Andean Countries | 0 | - | 4.93 | 84,873 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,090 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,228 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,674 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,978 |
| Danube Countries | 0 | - | 4.97 | 72,132 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,184 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,539 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,528 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,037 |
| European Landlocked Countries | 0 | - | 4.99 | 147,272 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,835 |
| Countries with the Most Species | 0 | - | 4.99 | 103,343 |
| Countries 197 to 205 | 0 | - | 4.90 | 70,960 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,647 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,766 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,616 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,364 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,782 |
| Countries in the Alps | 0 | - | 4.87 | 118,361 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 101,747 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,280 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,755 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,712 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,632 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,041 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,813 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,605 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,248 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,953 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,720 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,589 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,322 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,562 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,634 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,155 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,400 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 64,735 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,244 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 244,495 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,421 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,309 |
| Largest Countries By Category | 0 | - | 4.97 | 158,395 |
| Countries by Countries | 0 | - | 4.96 | 63,359 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,840 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,323 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,592 |
| All Countries by Population With a Map | 0 | - | 4.99 | 109,959 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,125 |
| 20 Random Country Flags | 0 | - | 4.99 | 615,653 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,792 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,785,776 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,013 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,358 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,801 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,893 |
| Geography by Picture - A | 0 | - | 4.39 | 60,345 |
| Geography by Picture - D | 0 | - | 4.15 | 45,723 |
| Geography by Picture - F | 0 | - | 4.31 | 51,095 |
| Geography by Picture - G | 0 | - | 4.39 | 48,023 |
| Geography by Picture - J | 0 | - | 4.16 | 38,531 |
| Geography by Picture - K | 0 | - | 4.29 | 33,190 |
| Geography by Picture - C | 0 | - | 4.31 | 57,152 |
| Geography by Picture - L | 0 | - | 4.37 | 59,066 |
| Geography by Picture - M | 0 | - | 4.14 | 40,524 |
| Geography by Picture - P | 0 | - | 4.24 | 42,505 |
| Geography by Picture - S | 0 | - | 4.38 | 47,113 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,255 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,949 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,977 |
| Flag Maths | 0 | - | 4.64 | 57,802 |
| Satellite Images #1 | 0 | - | 4.47 | 129,525 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,439 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,022 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,046 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,061 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,261 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,587 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,537 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,983 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,271 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,369 |
| Longest International Borders | 0 | - | 4.99 | 265,383 |
| Countries with Three Borders | 0 | - | 4.96 | 36,654 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,184 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,297 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,100 |
| Demonym of Every Country | 0 | - | 4.91 | 60,925 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,438 |
| Islands by Picture | 0 | - | 4.28 | 107,381 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,279 |
| Empires by Maps | 0 | - | 4.98 | 121,176 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,348 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,893 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,548 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,491 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,593,156 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,834 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 407,980 |
| Island Countries | 0 | - | 4.99 | 711,413 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,598 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,302 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,375 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 47,026 |
| Similar Flags #1 | 0 | - | 4.75 | 130,392 |
| Similar Flags #2 | 0 | - | 4.74 | 137,703 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,608 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,051,139 |
| Northernmost Countries | 0 | - | 4.99 | 362,477 |
| Countries of South America | 0 | - | 5.00 | 928,758 |
| Countries of Oceania | 0 | - | 5.00 | 1,058,691 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,880,466 |
| "Land" Countries | 0 | - | 4.98 | 337,629 |
| Countries by Picture #1 | 0 | - | 4.52 | 118,877 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,943 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 48,066 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 76,248 |
