| All Country Flags of the World | 0 | - | 5.00 | 3,635,661 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,324 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,532,176 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,090,262 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 731,763 |
| Flags with Crescents | 0 | - | 4.98 | 168,629 |
| Country Flag Trivia | 0 | - | 4.81 | 56,542 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,127 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,028 |
| Pixelated Flag Quiz | 0 | - | 4.98 | 86,693 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,467 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,032 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,244 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,645 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,577 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,399 |
| World Coats of Arms | 0 | - | 4.99 | 64,187 |
| Flags to Languages | 0 | - | 4.95 | 173,137 |
| Geography by Picture - B | 0 | - | 4.42 | 55,514 |
| Geography by Picture - H | 0 | - | 4.50 | 58,136 |
| Geography by Picture - N | 0 | - | 4.45 | 42,128 |
| Geography by Picture - R | 0 | - | 4.56 | 40,955 |
| Geography by Picture - T | 0 | - | 4.54 | 57,764 |
| Name the Pixelated Landmark | 0 | - | 4.84 | 62,759 |
| Countries by Road Signs | 0 | - | 4.98 | 53,487 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,136 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,084 |
| Geography by Picture - A | 0 | - | 4.39 | 60,149 |
| Geography by Picture - D | 0 | - | 4.15 | 45,574 |
| Geography by Picture - F | 0 | - | 4.31 | 50,913 |
| Geography by Picture - G | 0 | - | 4.38 | 47,880 |
| Geography by Picture - J | 0 | - | 4.16 | 38,397 |
| Geography by Picture - K | 0 | - | 4.29 | 33,068 |
| Geography by Picture - C | 0 | - | 4.31 | 57,001 |
| Geography by Picture - L | 0 | - | 4.37 | 58,861 |
| Geography by Picture - M | 0 | - | 4.14 | 40,396 |
| Geography by Picture - P | 0 | - | 4.24 | 42,370 |
| Geography by Picture - S | 0 | - | 4.38 | 46,983 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 279,526 |
| Flag Maths | 0 | - | 4.64 | 57,716 |
| Satellite Images #1 | 0 | - | 4.46 | 129,213 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,166 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,805 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,806 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,897 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,614 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,221 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 69,889 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,010 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,807 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,373 |
| Countries by Picture #1 | 0 | - | 4.53 | 98,693 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,162 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 47,604 |
| Emoji Flags | 0 | - | 4.35 | 43,957 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,332 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,130 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,445 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,739 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 393,842 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,236,393 |
| Flags of Asia Quiz | 0 | - | 4.99 | 609,782 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,959 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,283 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,816 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 61,876 |
| Flags that are Red & White Only | 0 | - | 4.97 | 163,717 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,447 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,471 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,149 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,137 |
| Pixelated World Map | 0 | - | 5.00 | 142,961 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,983 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,170 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,277 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,029 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 98,739 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,206 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,523 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,926 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,093 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,098 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,404 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,616 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,720 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,264 |
| Flags of Africa Quiz | 0 | - | 5.00 | 467,573 |
| Flags of North and South America | 0 | - | 4.99 | 370,776 |
| Former Flags | 0 | - | 4.97 | 107,274 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,806 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,163 |
| Geography by Picture - E | 0 | - | 3.55 | 47,327 |
| Landforms by Picture | 0 | - | 4.31 | 20,625 |
| Geography by Picture - I | 0 | - | 4.00 | 39,367 |
| Geography by Picture - O | 0 | - | 4.01 | 28,092 |
| Boundary Waters | 0 | - | 4.92 | 88,288 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,006 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,714 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,930 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,196 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,111 |
| Cities by Satellite #1 | 0 | - | 4.38 | 80,693 |
| Cities by Satellite #2 | 0 | - | 4.49 | 24,987 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,501 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,174 |
| Countries by Picture #2 | 0 | - | 4.37 | 69,774 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,258 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,008 |
| Flags of Oceania | 0 | - | 5.00 | 257,362 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,635 |
| Select the World Flags | 0 | - | 4.27 | 37,597 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,607 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,485 |
| Pixelated Asia Map | 0 | - | 4.90 | 72,860 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,322 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,849 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,213,469 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,758 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,708 |
| Landlocked Countries | 0 | - | 4.99 | 417,275 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 563,587 |
| 20 Random Country Flags | 0 | - | 4.99 | 608,799 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,415 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,932 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,079 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,792 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,428 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,438 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,393 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,655 |
| World Capitals Quiz | 0 | - | 5.00 | 5,054,282 |
| Sahara Desert Countries | 0 | - | 4.98 | 162,221 |
| Himalayan Countries | 0 | - | 4.95 | 136,766 |
| Andean Countries | 0 | - | 4.95 | 83,604 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,867 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,168 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,535 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,127 |
| Danube Countries | 0 | - | 4.97 | 71,488 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,306 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,904 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,300 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,300 |
| European Landlocked Countries | 0 | - | 4.99 | 146,197 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,879 |
| Countries with the Most Species | 0 | - | 4.99 | 102,397 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,009 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,357 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,536 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,205 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,857 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,234 |
| Countries in the Alps | 0 | - | 4.86 | 117,436 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,964 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,047 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,305 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,808 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,905 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,323 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,073 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,044 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,861 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,395 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,398 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,241 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,790 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,052 |
| Countries with the Most Grassland | 0 | - | 4.93 | 77,066 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,841 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,942 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,468 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,311 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 241,378 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,753 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,878 |
| Largest Countries By Category | 0 | - | 4.97 | 157,356 |
| Countries by Countries | 0 | - | 4.96 | 62,674 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,957 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,109 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,423 |
| Merged Country Flags | 0 | - | 4.88 | 106,412 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,966 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,458 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,147 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,745,349 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,184 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,682 |
| Islands by Satellite Image #2 | 0 | - | 4.35 | 19,129 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,056 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,345 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.97 | 34,643 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 207,673 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 127,954 |
| Longest International Borders | 0 | - | 4.99 | 264,411 |
| Countries with Three Borders | 0 | - | 4.96 | 36,378 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,820 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 47,910 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 36,969 |
| Demonym of Every Country | 0 | - | 4.91 | 58,986 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,268 |
