| All Country Flags of the World | 0 | - | 5.00 | 3,615,875 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,528,848 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,594 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 730,508 |
| Flags with Crescents | 0 | - | 4.98 | 167,963 |
| Country Flag Trivia | 0 | - | 4.81 | 56,150 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,685 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,662 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,199 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,211 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,473 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,855 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,342 |
| Country Flags with the Southern Cross | 0 | - | 4.80 | 61,623 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,112 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,036 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,875 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,891 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,891 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,653 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,934 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,010 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,770 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,501 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,978 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,386 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,785 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,904 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,846 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,139 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,321 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,451 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,150 |
| Flags of North and South America | 0 | - | 4.99 | 368,800 |
| Flags to Languages | 0 | - | 4.95 | 172,757 |
| Former Flags | 0 | - | 4.97 | 106,940 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,702 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,174 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,946 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,199 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,765 |
| 20 Random Country Flags | 0 | - | 4.99 | 606,304 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,217 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,765 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,733 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,727 |
| Flag Maths | 0 | - | 4.78 | 57,694 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,664 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,076 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,527 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,457 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,328 |
| World Coats of Arms | 0 | - | 4.99 | 64,010 |
| Similar Flags #1 | 0 | - | 4.74 | 129,311 |
| Similar Flags #2 | 0 | - | 4.74 | 136,577 |
| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,635 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,041 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,232 |
| Emoji Flags | 0 | - | 4.35 | 43,869 |
| Countries by Road Signs | 0 | - | 4.98 | 53,259 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,152 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,057 |
| Countries by Partial Flag Images #8 | 0 | - | 4.77 | 22,081 |
| Select the World Flags | 0 | - | 4.27 | 37,472 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,417 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,661 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,123 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,764 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,918 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,740 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,285 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,494 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,059 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,479 |
| Name a Valid Country Flag | 0 | - | 4.67 | 75,000 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,693 |
| Flags of Asia Quiz | 0 | - | 4.99 | 607,288 |
| Pixelated World Map | 0 | - | 5.00 | 142,663 |
| Flags of Africa Quiz | 0 | - | 5.00 | 465,073 |
| Flag Coloring Book Puzzle #2 | 0 | - | 4.42 | 76,565 |
| Satellite Images - Europe | 0 | - | 4.47 | 103,886 |
| European Cities by Picture #2 | 0 | - | 4.45 | 38,001 |
| Boundary Waters | 0 | - | 4.92 | 88,124 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,893 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,477 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,565 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,986 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,890 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,445 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,948 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,096 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,640 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,199 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,952 |
| Geography by Picture - B | 0 | - | 4.42 | 55,461 |
| Geography by Picture - H | 0 | - | 4.50 | 58,087 |
| Geography by Picture - N | 0 | - | 4.45 | 42,081 |
| Geography by Picture - R | 0 | - | 4.55 | 40,911 |
| Geography by Picture - T | 0 | - | 4.54 | 57,715 |
| Flags of Oceania | 0 | - | 5.00 | 256,117 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,184 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,584 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,251 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,600 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,016 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,038,523 |
| Flags of WW1 | 0 | - | 4.60 | 38,051 |
| Landlocked Countries | 0 | - | 4.99 | 415,128 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 557,231 |
| Satellite Images #1 | 0 | - | 4.46 | 129,097 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,058 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,719 |
| Satellite Images Quiz #5 | 0 | - | 4.49 | 49,710 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,854 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,513 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,761 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,273 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,183 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,065 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,309 |
| World Capitals Quiz | 0 | - | 5.00 | 5,041,533 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,199 |
| Himalayan Countries | 0 | - | 4.95 | 135,898 |
| Andean Countries | 0 | - | 4.94 | 83,133 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,456 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,568 |
| Coffee Producing Countries | 0 | - | 4.82 | 66,156 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,810 |
| Danube Countries | 0 | - | 4.97 | 71,244 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,968 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,683 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,819 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,741 |
| European Landlocked Countries | 0 | - | 4.99 | 145,945 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,483 |
| Countries with the Most Species | 0 | - | 4.99 | 95,327 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,614 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,261 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,435 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,051 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,704 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,060 |
| Countries in the Alps | 0 | - | 4.86 | 117,088 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,733 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,549 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,145 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,565 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,357 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,127 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,769 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,884 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,667 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,196 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,264 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,131 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,599 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,862 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,875 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,417 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,784 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,342 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,992 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 240,150 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,132 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,712 |
| Largest Countries By Category | 0 | - | 4.97 | 156,991 |
| Countries by Countries | 0 | - | 4.96 | 62,419 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,629 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,014 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,375 |
| Merged Country Flags | 0 | - | 4.88 | 106,177 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,220 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,254 |
| Colourful Countries of the World | 0 | - | 4.99 | 59,184 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,918 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,729,000 |
| Merged Countries #2 | 0 | - | 4.96 | 98,590 |
| Merged Countries #6 | 0 | - | 4.90 | 72,836 |
| Merged Countries #7 | 0 | - | 4.92 | 82,076 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,863 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,542 |
| Geography by Picture - A | 0 | - | 4.39 | 60,089 |
| Geography by Picture - D | 0 | - | 4.15 | 45,531 |
| Geography by Picture - F | 0 | - | 4.31 | 50,861 |
| Geography by Picture - G | 0 | - | 4.38 | 47,837 |
| Geography by Picture - J | 0 | - | 4.16 | 38,359 |
| Geography by Picture - K | 0 | - | 4.29 | 33,039 |
| Geography by Picture - C | 0 | - | 4.31 | 56,948 |
| Geography by Picture - L | 0 | - | 4.37 | 58,806 |
| Geography by Picture - M | 0 | - | 4.14 | 40,367 |
| Geography by Picture - P | 0 | - | 4.24 | 42,326 |
| Geography by Picture - S | 0 | - | 4.38 | 46,941 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,698 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,283 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,531 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,839 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,738 |
| Longest International Borders | 0 | - | 4.99 | 264,071 |
| Countries with Three Borders | 0 | - | 4.96 | 36,278 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,690 |
