| Countries by Satellite Image #1 | 0 | - | 4.87 | 129,745 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 75,859 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.87 | 44,496 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 53,941 |
| All Country Flags of the World | 0 | - | 5.00 | 2,976,105 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,367,820 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,003,505 |
| Country Flags Quiz #3 | 0 | - | 4.98 | 672,445 |
| Islands by Satellite Image #1 | 0 | - | 4.71 | 62,356 |
| Flags with Crescents | 0 | - | 4.98 | 143,724 |
| Country Flag Trivia | 0 | - | 4.84 | 44,029 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.99 | 76,268 |
| Country Flags with the Union Jack | 0 | - | 4.84 | 56,325 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.84 | 42,026 |
| Satellite Images Quiz #1 | 0 | - | 4.46 | 122,732 |
| Satellite Images Quiz #2 | 0 | - | 4.65 | 103,870 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 84,399 |
| Satellite Images Quiz #5 | 0 | - | 4.46 | 45,780 |
| Satellite Images Quiz #6 | 0 | - | 4.52 | 35,631 |
| Countries by Coat of Arms #1 | 0 | - | 4.95 | 58,309 |
| World Coats of Arms | 0 | - | 4.99 | 55,594 |
| Flags to Languages | 0 | - | 4.95 | 158,840 |
| Countries by Satellite Image #3 | 0 | - | 4.65 | 66,202 |
| Countries by Satellite Image #2 | 0 | - | 4.79 | 64,248 |
| Countries by Satellite Image #4 | 0 | - | 4.66 | 62,272 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.55 | 43,870 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 41,265 |
| Satellite Images Quiz #3 | 0 | - | 4.38 | 70,321 |
| Peninsulas by Satellite Image | 0 | - | 4.52 | 25,959 |
| Geography by Picture - H | 0 | - | 4.52 | 55,194 |
| Geography by Picture - N | 0 | - | 4.46 | 39,572 |
| Geography by Picture - R | 0 | - | 4.55 | 38,609 |
| Geography by Picture - T | 0 | - | 4.63 | 54,765 |
| Countries by Road Signs | 0 | - | 4.98 | 45,377 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 114,749 |
| Islands by Satellite Image #2 | 0 | - | 4.30 | 17,767 |
| Islands by Shape #2 | 0 | - | 4.87 | 45,022 |
| Cities by Satellite #1 | 0 | - | 4.36 | 70,611 |
| Cities by Satellite #2 | 0 | - | 4.47 | 22,783 |
| Geography by Picture - A | 0 | - | 4.35 | 56,887 |
| Geography by Picture - B | 0 | - | 4.36 | 52,419 |
| Geography by Picture - D | 0 | - | 4.10 | 43,186 |
| Geography by Picture - F | 0 | - | 4.25 | 48,300 |
| Geography by Picture - G | 0 | - | 4.39 | 45,358 |
| Geography by Picture - J | 0 | - | 4.14 | 36,365 |
| Geography by Picture - C | 0 | - | 4.28 | 54,222 |
| Geography by Picture - L | 0 | - | 4.34 | 55,818 |
| Geography by Picture - M | 0 | - | 4.11 | 38,376 |
| Geography by Picture - P | 0 | - | 4.28 | 40,132 |
| Geography by Picture - S | 0 | - | 4.35 | 44,552 |
| Random Flags Quiz | 0 | - | 4.41 | 256,290 |
| Cities by Picture #1 | 0 | - | 4.66 | 77,198 |
| Countries by Coat of Arms #2 | 0 | - | 4.78 | 32,257 |
| Countries by Picture #1 | 0 | - | 4.51 | 89,696 |
| Countries by Picture #3 | 0 | - | 4.52 | 54,583 |
| Guess the Country by a Picture Hint | 0 | - | 4.42 | 42,250 |
| Landmarks Picture Quiz #1 | 0 | - | 4.20 | 360,706 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,047,084 |
| Flags of Asia Quiz | 0 | - | 4.99 | 525,574 |
| Countries by Partial Flag Images #1 | 0 | - | 4.97 | 113,213 |
| Countries by Partial Flag Images #3 | 0 | - | 4.99 | 88,945 |
| Flags with the Most Stars | 0 | - | 4.91 | 106,043 |
| Flags that are Red & White Only | 0 | - | 4.97 | 131,015 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 125,803 |
| Flags of the Countries with Four Letters | 0 | - | 4.93 | 35,533 |
| African Island Countries | 0 | - | 4.96 | 89,480 |
| Four Countries with Similar Flags #2 | 0 | - | 4.89 | 35,559 |
| Four Countries with Similar Flags #1 | 0 | - | 4.98 | 43,390 |
| Pixelated World Map | 0 | - | 5.00 | 128,527 |
| Country Flags with the Most Red | 0 | - | 4.97 | 91,636 |
| Country Flags with the Most Blue | 0 | - | 4.91 | 79,561 |
| Country Flags with the Most Green | 0 | - | 4.96 | 80,122 |
| Country Flags with the Most Orange | 0 | - | 4.97 | 81,504 |
| Country Flags with the Most Yellow | 0 | - | 4.92 | 78,073 |
| Country Flags with the Most Black | 0 | - | 4.94 | 86,330 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.94 | 55,463 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.93 | 43,965 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 81,913 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 62,853 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 48,490 |
| Islands by Country #1 | 0 | - | 4.87 | 163,741 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 82,143 |
| Flags of Africa Quiz | 0 | - | 4.99 | 387,684 |
| Emoji Flags | 0 | - | 4.34 | 40,664 |
| Former Flags | 0 | - | 4.98 | 81,641 |
| Bodies of Water by Satellite Image #1 | 0 | - | 4.19 | 63,244 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 33,796 |
| Geography by Picture - E | 0 | - | 3.53 | 45,533 |
| Landforms by Picture | 0 | - | 4.35 | 18,996 |
| Geography by Picture - I | 0 | - | 3.98 | 37,597 |
| Geography by Picture - K | 0 | - | 4.29 | 31,113 |
| Countries by Partial Flag Images #6 | 0 | - | 4.93 | 27,311 |
| Countries by Picture #4 | 0 | - | 4.17 | 41,912 |
| Countries by Picture #2 | 0 | - | 4.37 | 64,311 |
| Countries by Picture #5 | 0 | - | 4.27 | 39,856 |
| Countries by Picture #6 | 0 | - | 4.17 | 33,659 |
| Flags of Oceania | 0 | - | 5.00 | 215,830 |
| Flags of North and South America Quiz | 0 | - | 4.99 | 310,472 |
| Three Band Flags of Europe | 0 | - | 4.97 | 161,347 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.64 | 54,242 |
| Select the World Flags | 0 | - | 4.30 | 33,292 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 124,066 |
| A-Z Cities by Pictures | 0 | - | 4.54 | 39,451 |
| Pixelated Africa Map | 0 | - | 4.98 | 88,433 |
| Pixelated Asia Map | 0 | - | 4.90 | 63,366 |
| Pixelated Europe Map | 0 | - | 4.90 | 109,664 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 26,744 |
| Boundary Waters | 0 | - | 4.93 | 81,211 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 74,970 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 51,337 |
| Random Flag to Country | 0 | - | 4.99 | 506,729 |
| Countries by Bordering Flags #1 | 0 | - | 4.92 | 94,134 |
| Countries by Bordering Flags #2 | 0 | - | 4.87 | 75,488 |
| Flags of the Mediterranean | 0 | - | 4.94 | 124,253 |
| Bodies of Water by Satellite Image #2 | 0 | - | 4.29 | 18,248 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,021,674 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 324,868 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.54 | 23,498 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,186 |
| World Capitals Quiz | 0 | - | 5.00 | 4,505,066 |
| Countries by First Two Letters in 90 Seconds | 0 | - | 4.98 | 5,081,218 |
| Geography by Picture - O | 0 | - | 4.00 | 26,431 |
| Flags of Countries in the World Cup 2018 | 0 | - | 4.84 | 86,485 |
| Islands by Shape #1 | 0 | - | 4.27 | 71,580 |
| Islands by Picture | 0 | - | 4.30 | 92,054 |
| World Geography on a Map #1 | 0 | - | 4.93 | 67,433 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 83,946 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,435 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 110,000 |
| Biggest City by Island | 0 | - | 4.57 | 45,803 |
| Cities by Skyline Silhouette - Map Quiz | 0 | - | 4.95 | 110,019 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,385,483 |
| Spanish-Speaking Countries | 0 | - | 4.94 | 341,471 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 356,081 |
| Members of the Arab League | 0 | - | 4.86 | 62,495 |
| Island Countries Quiz | 0 | - | 4.99 | 661,311 |
| Sahara Desert Countries | 0 | - | 4.97 | 127,318 |
| Himalayan Countries | 0 | - | 4.94 | 105,151 |
| Andean Countries | 0 | - | 4.91 | 58,364 |
| Countries with the Oldest Median Age | 0 | - | 4.84 | 59,319 |
| Countries with the Youngest Median Age | 0 | - | 4.98 | 49,493 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 102,844 |
| Coffee Producing Countries | 0 | - | 4.81 | 54,130 |
| Countries with Shrinking Populations | 0 | - | 4.93 | 53,366 |
| Danube Countries | 0 | - | 4.97 | 56,697 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 91,742 |
| Countries With an "Ese" Demonym | 0 | - | 4.96 | 64,881 |
| Countries with the Best Passports | 0 | - | 4.88 | 71,355 |
| Countries with the Worst Passports | 0 | - | 4.88 | 49,448 |
| Countries with the Most Immigrants | 0 | - | 4.87 | 109,640 |
| European Landlocked Countries | 0 | - | 4.99 | 115,563 |
| Partially Recognized Countries | 0 | - | 4.98 | 89,455 |
| Countries with the Most Species | 0 | - | 4.99 | 89,542 |
| Countries 197 to 205 | 0 | - | 4.89 | 56,428 |
| Tropic of Cancer Countries | 0 | - | 4.96 | 44,706 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 44,028 |
| Countries Producing the Most Sugarcane | 0 | - | 4.94 | 48,350 |
| Countries that Use the Peso | 0 | - | 4.82 | 46,446 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.88 | 58,732 |
| Countries with a AAA Credit Rating | 0 | - | 4.89 | 49,214 |
| Countries in the Alps | 0 | - | 4.84 | 102,750 |
| Top Five Importing Partners by Country | 0 | - | 4.98 | 85,409 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 87,341 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 71,643 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 78,343 |
| Northernmost Countries by Continent | 0 | - | 4.97 | 94,050 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 87,626 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 89,710 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 46,194 |
| Biggest Country by Body of Water | 0 | - | 4.96 | 45,348 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 54,715 |
| Top 10 Wheat-Producing Countries | 0 | - | 4.88 | 69,484 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 48,637 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 36,705 |
| Asian Island Nations | 0 | - | 4.66 | 88,767 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 95,572 |
| Arctic Ocean Countries | 0 | - | 4.93 | 72,035 |
| Countries with the Most Grassland | 0 | - | 4.93 | 69,538 |
| Country Flags with the Southern Cross | 0 | - | 4.72 | 51,638 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 98,254 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 61,391 |
| Similar Flags #1 | 0 | - | 4.72 | 110,989 |
| Similar Flags #2 | 0 | - | 4.79 | 113,017 |
| Countries that Host the Most Refugees | 0 | - | 4.93 | 53,443 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 196,751 |
| World Countries - Blind Typing | 0 | - | 5.00 | 73,102 |
| Countries in Their Own Alphabet | 0 | - | 4.94 | 42,329 |
| Largest Countries By Category | 0 | - | 4.96 | 145,037 |
| Countries by Countries | 0 | - | 4.96 | 54,721 |
| Country Flags with the Most White | 0 | - | 4.90 | 124,654 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 58,750 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 44,738 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 78,334 |
| Biggest Countries by Area | 0 | - | 5.00 | 934,558 |
| Northernmost Countries | 0 | - | 4.99 | 327,819 |
| Islands by Country #2 | 0 | - | 4.79 | 70,908 |
| Countries of South America | 0 | - | 5.00 | 795,145 |
| Countries of Oceania | 0 | - | 5.00 | 895,649 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,161,036 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,576,922 |
