| All Country Flags of the World | 0 | - | 5.00 | 3,704,128 |
| Countries by Road Signs | 0 | - | 4.98 | 54,263 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,991 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,463 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,544,116 |
| Country Flags Quiz #2 | 0 | - | 4.99 | 1,096,329 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 735,881 |
| Countries with the Highest Minimum Elevation | 0 | - | 4.86 | 16,253 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 181,130 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 113,534 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 91,464 |
| Flags with Crescents | 0 | - | 4.98 | 171,065 |
| Country Flag Trivia | 0 | - | 4.81 | 57,828 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,701 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 78,252 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 88,364 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 53,370 |
| Boundary Waters | 0 | - | 4.92 | 88,714 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,371 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,580 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,185 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,854 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,858 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,667 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 83,087 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,202 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 146,083 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 117,118 |
| Flags with the Most Stars | 0 | - | 4.91 | 137,652 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 63,051 |
| Flags that are Red & White Only | 0 | - | 4.97 | 165,397 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.92 | 147,117 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 77,414 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 48,261 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 69,194 |
| Pixelated World Map | 0 | - | 5.00 | 143,957 |
| Country Flags with the Most Red | 0 | - | 4.98 | 121,197 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 93,154 |
| Country Flags with the Most Green | 0 | - | 4.96 | 100,230 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 100,010 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,631 |
| Country Flags with the Most Black | 0 | - | 4.95 | 98,052 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 68,018 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,422 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,969 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 81,318 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,534 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,619 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,572 |
| Countries by Coat of Arms #1 | 0 | - | 4.92 | 73,003 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,612 |
| World Coats of Arms | 0 | - | 4.99 | 65,015 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,747 |
| Flags to Languages | 0 | - | 4.95 | 174,352 |
| Former Flags | 0 | - | 4.97 | 108,388 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,189 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,923 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,255,040 |
| Flags of Asia Quiz | 0 | - | 4.99 | 618,841 |
| Flags of Africa Quiz | 0 | - | 5.00 | 476,299 |
| Flags of North and South America | 0 | - | 4.99 | 376,215 |
| Geography by Picture - B | 0 | - | 4.42 | 55,747 |
| Geography by Picture - H | 0 | - | 4.50 | 58,351 |
| Geography by Picture - N | 0 | - | 4.45 | 42,321 |
| Geography by Picture - R | 0 | - | 4.56 | 41,124 |
| Geography by Picture - T | 0 | - | 4.54 | 57,969 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.94 | 31,182 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,790,509 |
| Landlocked Countries | 0 | - | 4.99 | 424,640 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 585,495 |
| Flags of Oceania | 0 | - | 5.00 | 262,123 |
| Three Band Flags of Europe | 0 | - | 4.98 | 194,338 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,347 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,680 |
| Pixelated Europe Map | 0 | - | 4.88 | 123,343 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,863 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 96,297 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,820 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,859 |
| World Capitals Quiz | 0 | - | 5.00 | 5,099,755 |
| Sahara Desert Countries | 0 | - | 4.98 | 165,691 |
| Himalayan Countries | 0 | - | 4.93 | 139,822 |
| Andean Countries | 0 | - | 4.94 | 85,205 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 64,386 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 126,679 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,956 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 66,248 |
| Danube Countries | 0 | - | 4.97 | 72,282 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 117,434 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,722 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,884 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 150,383 |
| European Landlocked Countries | 0 | - | 4.99 | 147,469 |
| Partially Recognized Countries | 0 | - | 4.98 | 107,110 |
| Countries with the Most Species | 0 | - | 4.99 | 103,497 |
| Countries 197 to 205 | 0 | - | 4.90 | 71,257 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,713 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,827 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,758 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,493 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,915 |
| Countries in the Alps | 0 | - | 4.87 | 118,606 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 102,352 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 107,624 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,887 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,906 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,832 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 96,145 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 101,267 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,778 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,348 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 63,081 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,800 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.91 | 41,667 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,459 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,699 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,787 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 119,550 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,530 |
| Countries that Host the Most Refugees | 0 | - | 4.96 | 65,567 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,503 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 245,260 |
| World Countries - Blind Typing | 0 | - | 5.00 | 108,872 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,436 |
| Largest Countries By Category | 0 | - | 4.97 | 158,679 |
| Countries by Countries | 0 | - | 4.96 | 63,518 |
| Country Flags with the Most White | 0 | - | 4.85 | 139,115 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,367 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,645 |
| All Countries by Population With a Map | 0 | - | 4.98 | 110,611 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 99,290 |
| Countries by Highest Mountain | 0 | - | 4.51 | 20,086 |
| 20 Random Country Flags | 0 | - | 4.99 | 617,709 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,993 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.70 | 59,721 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,797,015 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 113,169 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,496 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 146,357 |
| Western Europe Map Quiz | 0 | - | 4.85 | 93,951 |
| Geography by Picture - A | 0 | - | 4.39 | 60,399 |
| Geography by Picture - D | 0 | - | 4.15 | 45,766 |
| Geography by Picture - F | 0 | - | 4.31 | 51,144 |
| Geography by Picture - G | 0 | - | 4.39 | 48,058 |
| Geography by Picture - J | 0 | - | 4.16 | 38,571 |
| Geography by Picture - K | 0 | - | 4.29 | 33,229 |
| Geography by Picture - C | 0 | - | 4.31 | 57,205 |
| Geography by Picture - L | 0 | - | 4.37 | 59,105 |
| Geography by Picture - M | 0 | - | 4.14 | 40,561 |
| Geography by Picture - P | 0 | - | 4.24 | 42,540 |
| Geography by Picture - S | 0 | - | 4.38 | 47,158 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 281,802 |
| Flags of the Mediterranean | 0 | - | 4.94 | 149,186 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 145,281 |
| Flag Maths | 0 | - | 4.61 | 57,823 |
| Satellite Images #1 | 0 | - | 4.47 | 129,903 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,599 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 89,154 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 50,173 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,165 |
| Cities by Picture #1 | 0 | - | 4.74 | 86,481 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,725 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,591 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 35,115 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 209,792 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,493 |
| Longest International Borders | 0 | - | 4.99 | 265,650 |
| Countries with Three Borders | 0 | - | 4.96 | 36,727 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,300 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,442 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,152 |
| Demonym of Every Country | 0 | - | 4.90 | 61,330 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,480 |
| Islands by Picture | 0 | - | 4.28 | 107,629 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,554 |
| Empires by Maps | 0 | - | 4.98 | 121,594 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,375 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,973 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,620 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 334,546 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,597,065 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 376,345 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 409,041 |
| Island Countries | 0 | - | 4.99 | 712,126 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,714 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,424 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,475 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.51 | 47,088 |
| Similar Flags #1 | 0 | - | 4.75 | 130,631 |
| Similar Flags #2 | 0 | - | 4.74 | 137,930 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,670 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,053,416 |
| Northernmost Countries | 0 | - | 4.99 | 363,468 |
| Mountains by Country | 0 | - | 4.56 | 81,957 |
| Countries of South America | 0 | - | 5.00 | 931,045 |
| Countries of Oceania | 0 | - | 5.00 | 1,061,433 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,885,750 |
| "Land" Countries | 0 | - | 4.98 | 338,090 |
| Countries by Picture #1 | 0 | - | 4.52 | 119,254 |
| Countries by Picture #3 | 0 | - | 4.51 | 61,025 |