| All Country Flags of the World | 0 | - | 5.00 | 3,610,802 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,109 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,527,884 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,088,137 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 730,185 |
| Flags with Crescents | 0 | - | 4.98 | 167,832 |
| Country Flag Trivia | 0 | - | 4.81 | 56,065 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 102,585 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 76,577 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,089 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,152 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,550 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,035 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,488 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,422 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,305 |
| World Coats of Arms | 0 | - | 4.99 | 63,954 |
| Flags to Languages | 0 | - | 4.95 | 172,658 |
| Geography by Picture - B | 0 | - | 4.42 | 55,444 |
| Geography by Picture - H | 0 | - | 4.50 | 58,071 |
| Geography by Picture - N | 0 | - | 4.45 | 42,066 |
| Geography by Picture - R | 0 | - | 4.55 | 40,894 |
| Geography by Picture - T | 0 | - | 4.54 | 57,703 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,528 |
| Countries by Road Signs | 0 | - | 4.98 | 53,205 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,028 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 143,618 |
| Geography by Picture - A | 0 | - | 4.39 | 60,071 |
| Geography by Picture - D | 0 | - | 4.15 | 45,521 |
| Geography by Picture - F | 0 | - | 4.31 | 50,851 |
| Geography by Picture - G | 0 | - | 4.38 | 47,818 |
| Geography by Picture - J | 0 | - | 4.16 | 38,350 |
| Geography by Picture - K | 0 | - | 4.29 | 33,032 |
| Geography by Picture - C | 0 | - | 4.31 | 56,937 |
| Geography by Picture - L | 0 | - | 4.37 | 58,788 |
| Geography by Picture - M | 0 | - | 4.14 | 40,359 |
| Geography by Picture - P | 0 | - | 4.24 | 42,319 |
| Geography by Picture - S | 0 | - | 4.38 | 46,932 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 278,684 |
| Flag Maths | 0 | - | 4.78 | 57,689 |
| Satellite Images #1 | 0 | - | 4.46 | 129,063 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,030 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,683 |
| Satellite Images Quiz #5 | 0 | - | 4.48 | 49,685 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,832 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,381 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,095 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,730 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 66,876 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,723 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,256 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,453 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,026 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,442 |
| Emoji Flags | 0 | - | 4.35 | 43,850 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,264 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 65,813 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,173 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,683 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,199 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,229,135 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,638 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,265 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,687 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,198 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,539 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,665 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,905 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,650 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,807 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,810 |
| Pixelated World Map | 0 | - | 5.00 | 142,567 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,544 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,850 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,947 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,704 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,428 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,926 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,346 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,750 |
| Country Flags Slideshow | 0 | - | 4.91 | 46,854 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,739 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,016 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,177 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,341 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,105 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,370 |
| Flags of North and South America | 0 | - | 4.99 | 368,238 |
| Former Flags | 0 | - | 4.97 | 106,861 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,678 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,886 |
| Geography by Picture - E | 0 | - | 3.55 | 47,292 |
| Landforms by Picture | 0 | - | 4.31 | 20,587 |
| Geography by Picture - I | 0 | - | 4.00 | 39,332 |
| Boundary Waters | 0 | - | 4.92 | 88,092 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,859 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,405 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,465 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,926 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 69,829 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,370 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,932 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,049 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,071 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,610 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,180 |
| Countries by Picture #6 | 0 | - | 4.15 | 35,937 |
| Flags of Oceania | 0 | - | 5.00 | 255,814 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,056 |
| Select the World Flags | 0 | - | 4.27 | 37,437 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,495 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,189 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,536 |
| Pixelated Europe Map | 0 | - | 4.88 | 121,931 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,746 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,994,172 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,627 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,580 |
| Landlocked Countries | 0 | - | 4.99 | 414,499 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 555,529 |
| 20 Random Country Flags | 0 | - | 4.99 | 605,687 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,159 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,714 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,657 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,745 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,232 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,106 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,977 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,205 |
| World Capitals Quiz | 0 | - | 5.00 | 5,037,741 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,968 |
| Himalayan Countries | 0 | - | 4.95 | 135,675 |
| Andean Countries | 0 | - | 4.94 | 83,014 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,365 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,418 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,059 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,727 |
| Danube Countries | 0 | - | 4.97 | 71,171 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,887 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,630 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,689 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,587 |
| European Landlocked Countries | 0 | - | 4.99 | 145,873 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,351 |
| Countries with the Most Species | 0 | - | 4.99 | 95,297 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,505 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,233 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,403 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,010 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.89 | 72,650 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,019 |
| Countries in the Alps | 0 | - | 4.86 | 116,971 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,676 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,435 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,101 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,507 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,285 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,081 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,684 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,832 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,578 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,141 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,229 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,095 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,526 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,823 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,825 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,270 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,730 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,305 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,925 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,795 |
| World Countries - Blind Typing | 0 | - | 5.00 | 105,971 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,681 |
| Largest Countries By Category | 0 | - | 4.97 | 156,903 |
| Countries by Countries | 0 | - | 4.96 | 62,351 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,540 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 61,996 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,356 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,021 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,205 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,850 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,724,191 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 144,802 |
| Western Europe Map Quiz | 0 | - | 4.87 | 93,519 |
| Geography by Picture - O | 0 | - | 4.00 | 28,059 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,090 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 81,619 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,260 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,495 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 206,683 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,693 |
| Longest International Borders | 0 | - | 4.99 | 263,964 |
| Countries with Three Borders | 0 | - | 4.96 | 36,245 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,648 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,744 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,891 |
| Demonym of Every Country | 0 | - | 4.91 | 58,726 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,200 |
| Islands by Picture | 0 | - | 4.29 | 106,051 |
