| All Country Flags of the World | 0 | - | 5.00 | 3,659,459 |
| Countries by Road Signs | 0 | - | 4.98 | 53,757 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,552 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,245 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,418 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,517 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,181 |
| Flags with Crescents | 0 | - | 4.98 | 169,417 |
| Country Flag Trivia | 0 | - | 4.81 | 56,966 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,674 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,434 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,313 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,755 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,426 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,957 |
| Flags of Asia Quiz | 0 | - | 4.99 | 613,007 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,506 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,439 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,785 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,552 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,811 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,319 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,165 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,200 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,921 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,035 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,472 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,439 |
| Pixelated World Map | 0 | - | 5.00 | 143,325 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,381 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,467 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,564 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,345 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,029 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,465 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,689 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,075 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,321 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,374 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,699 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,913 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,012 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,824 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,729 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,480 |
| World Coats of Arms | 0 | - | 4.99 | 64,456 |
| European Landmarks Map Quiz | 0 | - | 4.97 | 87,103 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,415 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,702 |
| Flags of North and South America | 0 | - | 4.99 | 372,777 |
| Flags to Languages | 0 | - | 4.95 | 173,580 |
| Former Flags | 0 | - | 4.97 | 107,653 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,917 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,404 |
| Boundary Waters | 0 | - | 4.92 | 88,442 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,130 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,029 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,366 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,426 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,358 |
| Geography by Picture - B | 0 | - | 4.42 | 55,592 |
| Geography by Picture - H | 0 | - | 4.50 | 58,216 |
| Geography by Picture - N | 0 | - | 4.45 | 42,198 |
| Geography by Picture - R | 0 | - | 4.56 | 41,017 |
| Geography by Picture - T | 0 | - | 4.54 | 57,833 |
| Flags of Oceania | 0 | - | 5.00 | 258,808 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,200 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,895 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,811 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,135 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,690 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,939 |
| Name that Historical Figure #1 | 0 | - | 4.63 | 337,426 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,414,414 |
| Landlocked Countries | 0 | - | 4.99 | 419,917 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,776 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,748 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,685 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,109 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,309 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,475 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,486 |
| Flag Maths | 0 | - | 4.64 | 57,759 |
| Satellite Images #1 | 0 | - | 4.47 | 129,351 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,285 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,898 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,907 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,971 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,961 |
| International Footballers by Picture | 0 | - | 4.50 | 55,574 |
| Name that Historical Figure #2 | 0 | - | 4.42 | 284,461 |
| Name that Historical Figure #5 | 0 | - | 4.43 | 107,609 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,559 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,764 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,870 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,077 |
| World Capitals Quiz | 0 | - | 5.00 | 5,070,055 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,429 |
| Himalayan Countries | 0 | - | 4.95 | 137,858 |
| Andean Countries | 0 | - | 4.95 | 84,138 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,360 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,924 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,002 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,469 |
| Danube Countries | 0 | - | 4.97 | 71,759 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,697 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,157 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,846 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,925 |
| European Landlocked Countries | 0 | - | 4.99 | 146,891 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,271 |
| Countries with the Most Species | 0 | - | 4.99 | 103,031 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,432 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,465 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,635 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,391 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,064 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,461 |
| Countries in the Alps | 0 | - | 4.87 | 117,872 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 96,111 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,588 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,487 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,372 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,230 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,796 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,394 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,274 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,037 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,642 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,536 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,383 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,009 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,293 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,305 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,422 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,132 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,639 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,696 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,874 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,508 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,059 |
| Largest Countries By Category | 0 | - | 4.97 | 157,823 |
| Countries by Countries | 0 | - | 4.97 | 62,945 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,373 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,186 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,495 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,885 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,745 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,446 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,763,690 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,506 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,787 |
| Geography by Picture - A | 0 | - | 4.39 | 60,241 |
| Geography by Picture - D | 0 | - | 4.15 | 45,650 |
| Geography by Picture - F | 0 | - | 4.31 | 50,990 |
| Geography by Picture - G | 0 | - | 4.38 | 47,940 |
| Geography by Picture - J | 0 | - | 4.16 | 38,458 |
| Geography by Picture - K | 0 | - | 4.29 | 33,121 |
| Geography by Picture - C | 0 | - | 4.31 | 57,063 |
| Geography by Picture - L | 0 | - | 4.37 | 58,948 |
| Geography by Picture - M | 0 | - | 4.14 | 40,450 |
| Geography by Picture - P | 0 | - | 4.24 | 42,430 |
| Geography by Picture - S | 0 | - | 4.38 | 47,035 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,923 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,312 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,427 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,803 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,418 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,144 |
| Longest International Borders | 0 | - | 4.99 | 264,850 |
| Countries with Three Borders | 0 | - | 4.96 | 36,510 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,977 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,094 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,033 |
| Demonym of Every Country | 0 | - | 4.91 | 59,268 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,348 |
| Islands by Picture | 0 | - | 4.29 | 106,897 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,739 |
| Empires by Maps | 0 | - | 4.98 | 120,333 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,848 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,585,232 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,873 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,908 |
| Island Countries | 0 | - | 4.99 | 710,166 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,367 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,061 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,156 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,904 |
| Similar Flags #1 | 0 | - | 4.75 | 129,966 |
| Similar Flags #2 | 0 | - | 4.74 | 137,252 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,468 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,047,185 |
| Northernmost Countries | 0 | - | 4.99 | 360,965 |
| Countries of South America | 0 | - | 5.00 | 924,313 |
| Countries of Oceania | 0 | - | 5.00 | 1,053,092 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,870,009 |
| "Land" Countries | 0 | - | 4.98 | 336,050 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,385 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,366 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,790 |
