| All Country Flags of the World | 0 | - | 5.00 | 3,661,174 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,578 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,773 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,693 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,288 |
| Flags with Crescents | 0 | - | 4.98 | 169,482 |
| Country Flag Trivia | 0 | - | 4.81 | 56,997 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,702 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,475 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,370 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,775 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,597 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,519 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,821 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,745 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,487 |
| World Coats of Arms | 0 | - | 4.99 | 64,476 |
| Flags to Languages | 0 | - | 4.95 | 173,610 |
| Similar Country Flags - Multiple Choice Quiz | 0 | - | 4.94 | 50,518 |
| Geography by Picture - B | 0 | - | 4.42 | 55,596 |
| Geography by Picture - H | 0 | - | 4.50 | 58,222 |
| Geography by Picture - N | 0 | - | 4.45 | 42,201 |
| Geography by Picture - R | 0 | - | 4.56 | 41,020 |
| Geography by Picture - T | 0 | - | 4.54 | 57,837 |
| Countries by Road Signs | 0 | - | 4.98 | 53,774 |
| Name the Pixelated Landmark | 0 | - | 4.85 | 63,000 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,253 |
| Geography by Picture - A | 0 | - | 4.39 | 60,245 |
| Geography by Picture - D | 0 | - | 4.15 | 45,653 |
| Geography by Picture - F | 0 | - | 4.31 | 50,998 |
| Geography by Picture - G | 0 | - | 4.38 | 47,944 |
| Geography by Picture - J | 0 | - | 4.16 | 38,462 |
| Geography by Picture - K | 0 | - | 4.29 | 33,122 |
| Geography by Picture - C | 0 | - | 4.31 | 57,066 |
| Geography by Picture - M | 0 | - | 4.14 | 40,457 |
| Geography by Picture - P | 0 | - | 4.24 | 42,435 |
| Geography by Picture - S | 0 | - | 4.38 | 47,038 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,380 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,522 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Satellite Images #1 | 0 | - | 4.47 | 129,362 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,299 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,905 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,917 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,980 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,979 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,946 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,395 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,091 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,176 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,908 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,477 |
| Countries by Picture #1 | 0 | - | 4.53 | 104,270 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,722 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,810 |
| Emoji Flags | 0 | - | 4.35 | 44,085 |
| Satellite Images Quiz #3 | 0 | - | 4.35 | 73,391 |
| Satellite Images - Island Chains | 0 | - | 4.43 | 66,390 |
| Islands by Satellite Image #1 | 0 | - | 4.70 | 70,706 |
| Peninsulas by Satellite Image | 0 | - | 4.53 | 27,809 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,467 |
| Boundary Waters | 0 | - | 4.92 | 88,454 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,146 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,051 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,402 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,449 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,380 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,632 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,885 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,383 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,223 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,284 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,983 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,097 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,517 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,479 |
| Pixelated World Map | 0 | - | 5.00 | 143,353 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,424 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,496 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,598 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,380 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,058 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,487 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,702 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,090 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,342 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,396 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,726 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,939 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,039 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,861 |
| Landforms by Picture | 0 | - | 4.31 | 20,671 |
| Geography by Picture - I | 0 | - | 4.00 | 39,427 |
| Geography by Picture - O | 0 | - | 4.01 | 28,140 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,447 |
| Former Flags | 0 | - | 4.97 | 107,687 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,932 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,428 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,243,437 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,208 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,942 |
| Flags of North and South America | 0 | - | 4.99 | 372,901 |
| Cities by Satellite #1 | 0 | - | 4.37 | 81,040 |
| Cities by Satellite #2 | 0 | - | 4.49 | 25,067 |
| Countries by Picture #4 | 0 | - | 4.15 | 45,646 |
| Countries by Picture #2 | 0 | - | 4.37 | 70,562 |
| Countries by Picture #5 | 0 | - | 4.25 | 43,671 |
| Countries by Picture #6 | 0 | - | 4.15 | 36,353 |
| Select the World Flags | 0 | - | 4.27 | 37,737 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,914 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,945 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,430,310 |
| Landlocked Countries | 0 | - | 4.99 | 420,104 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 571,259 |
| Flags of Oceania | 0 | - | 5.00 | 258,922 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,245 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,834 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,161 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,710 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,901 |
| A-Z Cities by Pictures | 0 | - | 4.56 | 43,839 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,577 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,790 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,897 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,112 |
| World Capitals Quiz | 0 | - | 5.00 | 5,071,441 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,518 |
| Himalayan Countries | 0 | - | 4.95 | 137,931 |
| Andean Countries | 0 | - | 4.95 | 84,187 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,402 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,038 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,052 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,496 |
| Danube Countries | 0 | - | 4.97 | 71,782 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,724 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,176 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,886 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,046 |
| European Landlocked Countries | 0 | - | 4.99 | 146,920 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,311 |
| Countries with the Most Species | 0 | - | 4.99 | 103,054 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,470 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,473 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,641 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,409 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,093 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,481 |
| Countries in the Alps | 0 | - | 4.87 | 117,907 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 98,217 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,626 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,516 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,407 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,254 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,808 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,423 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,299 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,050 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,665 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,550 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,392 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,024 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,320 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,327 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,453 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,143 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,656 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,737 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,975 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,555 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,073 |
| Largest Countries By Category | 0 | - | 4.97 | 157,853 |
| Countries by Countries | 0 | - | 4.97 | 62,965 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,404 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,197 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,499 |
| Merged Country Flags | 0 | - | 4.88 | 106,734 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,947 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,770 |
| 20 Random Country Flags | 0 | - | 4.99 | 612,016 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,464 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,765,075 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,708 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,131 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,526 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,788 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,504 |
| Animals that Appear on a Coat of Arms | 0 | - | 4.49 | 24,821 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,326 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,433 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,815 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,487 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,154 |
| Longest International Borders | 0 | - | 4.99 | 264,879 |
| Countries with Three Borders | 0 | - | 4.96 | 36,518 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,998 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,108 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,035 |
| Demonym of Every Country | 0 | - | 4.91 | 59,704 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,354 |
| Islands by Picture | 0 | - | 4.29 | 106,925 |
