| All Country Flags of the World | 0 | - | 5.00 | 3,618,539 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,529,353 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,840 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,689 |
| Flags with Crescents | 0 | - | 4.98 | 168,037 |
| Country Flag Trivia | 0 | - | 4.81 | 56,185 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,730 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,700 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,263 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,246 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,537 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,927 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,410 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,231 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,097 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,974 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,932 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,924 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,709 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,971 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,050 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,816 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,534 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,011 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,412 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,805 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,934 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,896 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,189 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,367 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,501 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,172 |
| Flags of North and South America | 0 | - | 4.99 | 369,077 |
| Flags to Languages | 0 | - | 4.95 | 172,810 |
| Former Flags | 0 | - | 4.97 | 106,979 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,723 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,177 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,976 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,253 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,775 |
| 20 Random Country Flags | 0 | - | 4.99 | 606,854 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,244 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,789 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,781 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,776 |
| Flag Maths | 0 | - | 4.74 | 57,695 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,724 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,092 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,543 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,469 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,335 |
| World Coats of Arms | 0 | - | 4.99 | 64,035 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,647 |
| Similar Flags #1 | 0 | - | 4.74 | 129,347 |
| Similar Flags #2 | 0 | - | 4.74 | 136,619 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,703 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,096 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,292 |
| Emoji Flags | 0 | - | 4.35 | 43,883 |
| Countries by Road Signs | 0 | - | 4.98 | 53,282 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,181 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,070 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 22,495 |
| Select the World Flags | 0 | - | 4.27 | 37,489 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,440 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,673 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,139 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,785 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,934 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,750 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,297 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,531 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,074 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,502 |
| Name a Valid Country Flag | 0 | - | 4.67 | 75,038 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,231,542 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,595 |
| Pixelated World Map | 0 | - | 5.00 | 142,713 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,438 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,587 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,911 |
| European Cities by Picture #2 | 0 | - | 4.45 | 38,016 |
| Boundary Waters | 0 | - | 4.92 | 88,135 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,900 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,510 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,609 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,008 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,922 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,471 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,953 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,110 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,660 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,209 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,964 |
| Geography by Picture - B | 0 | - | 4.42 | 55,468 |
| Geography by Picture - H | 0 | - | 4.50 | 58,090 |
| Geography by Picture - N | 0 | - | 4.45 | 42,083 |
| Geography by Picture - R | 0 | - | 4.56 | 40,915 |
| Geography by Picture - T | 0 | - | 4.54 | 57,720 |
| Flags of Oceania | 0 | - | 5.00 | 256,259 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,246 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,609 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,284 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,648 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,072 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,063,393 |
| Flags of WW1 | 0 | - | 4.60 | 38,068 |
| Landlocked Countries | 0 | - | 4.99 | 415,430 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 558,148 |
| Satellite Images #1 | 0 | - | 4.46 | 129,118 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,078 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,732 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,725 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,862 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,544 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,766 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,298 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,217 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,109 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,363 |
| World Capitals Quiz | 0 | - | 5.00 | 5,043,183 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,327 |
| Himalayan Countries | 0 | - | 4.95 | 136,002 |
| Andean Countries | 0 | - | 4.94 | 83,176 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,503 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,643 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,189 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,837 |
| Danube Countries | 0 | - | 4.97 | 71,272 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,007 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,718 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,883 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,829 |
| European Landlocked Countries | 0 | - | 4.99 | 145,974 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,538 |
| Countries with the Most Species | 0 | - | 4.99 | 95,351 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,659 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,272 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,442 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,072 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,719 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,084 |
| Countries in the Alps | 0 | - | 4.86 | 117,136 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,766 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,610 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,162 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,597 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,385 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,146 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,811 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,901 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,697 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,210 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,277 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,142 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,624 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,885 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,898 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,478 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,802 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,350 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,040 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,309 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,215 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,735 |
| Largest Countries By Category | 0 | - | 4.97 | 157,042 |
| Countries by Countries | 0 | - | 4.96 | 62,452 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,682 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,030 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,380 |
| Merged Country Flags | 0 | - | 4.88 | 106,210 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,320 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,288 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,215 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,955 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,731,497 |
| Merged Countries #2 | 0 | - | 4.96 | 98,611 |
| Merged Countries #6 | 0 | - | 4.90 | 72,857 |
| Merged Countries #7 | 0 | - | 4.92 | 82,093 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,895 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,555 |
| Geography by Picture - A | 0 | - | 4.39 | 60,097 |
| Geography by Picture - D | 0 | - | 4.15 | 45,536 |
| Geography by Picture - F | 0 | - | 4.31 | 50,866 |
| Geography by Picture - G | 0 | - | 4.38 | 47,840 |
| Geography by Picture - J | 0 | - | 4.16 | 38,361 |
| Geography by Picture - K | 0 | - | 4.29 | 33,041 |
| Geography by Picture - C | 0 | - | 4.31 | 56,957 |
| Geography by Picture - L | 0 | - | 4.37 | 58,813 |
| Geography by Picture - M | 0 | - | 4.14 | 40,369 |
| Geography by Picture - P | 0 | - | 4.24 | 42,329 |
| Geography by Picture - S | 0 | - | 4.38 | 46,945 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,724 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,287 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,544 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,924 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,765 |
| Longest International Borders | 0 | - | 4.99 | 264,125 |
| Countries with Three Borders | 0 | - | 4.96 | 36,292 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,709 |
