| All Country Flags of the World | 0 | - | 5.00 | 3,657,702 |
| Landmarks of Countries #1 | 0 | - | 4.88 | 107,764 |
| Countries by Road Signs | 0 | - | 4.98 | 53,735 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,538 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,240 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,536,135 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,092,364 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 733,086 |
| Flags with Crescents | 0 | - | 4.98 | 169,366 |
| Country Flag Trivia | 0 | - | 4.81 | 56,943 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 103,635 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,411 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,264 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,732 |
| Landmarks Picture Quiz #1 | 0 | - | 4.16 | 394,392 |
| Boundary Waters | 0 | - | 4.92 | 88,430 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,126 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,012 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,339 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,413 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,348 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 145,473 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,427 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,779 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 144,520 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 115,764 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,272 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,143 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,178 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 145,880 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 75,999 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,440 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,412 |
| Pixelated World Map | 0 | - | 5.00 | 143,305 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,349 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 92,447 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,545 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,322 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 99,009 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,446 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,675 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,063 |
| Country Flags Slideshow | 0 | - | 4.91 | 47,311 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,351 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,676 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,896 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,994 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 31,803 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,724 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,476 |
| World Coats of Arms | 0 | - | 4.99 | 64,438 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,402 |
| Flags to Languages | 0 | - | 4.95 | 173,543 |
| Former Flags | 0 | - | 4.97 | 107,626 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,907 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,390 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,242,441 |
| Flags of Asia Quiz | 0 | - | 4.99 | 612,783 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,473 |
| Flags of North and South America | 0 | - | 4.99 | 372,643 |
| Landmarks of Countries #2 | 0 | - | 4.51 | 54,206 |
| Geography by Picture - B | 0 | - | 4.42 | 55,590 |
| Geography by Picture - H | 0 | - | 4.50 | 58,214 |
| Geography by Picture - N | 0 | - | 4.45 | 42,195 |
| Geography by Picture - R | 0 | - | 4.56 | 41,016 |
| Geography by Picture - T | 0 | - | 4.54 | 57,828 |
| Landmarks Picture Quiz #2 | 0 | - | 4.38 | 130,886 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,932 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,400,566 |
| Landlocked Countries | 0 | - | 4.99 | 419,766 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 570,346 |
| Flags of Oceania | 0 | - | 5.00 | 258,713 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,156 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,790 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,115 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,663 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,547 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,742 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,830 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,050 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,990 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,342 |
| Himalayan Countries | 0 | - | 4.95 | 137,778 |
| Andean Countries | 0 | - | 4.95 | 84,105 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,341 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 124,882 |
| Coffee Producing Countries | 0 | - | 4.83 | 66,972 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,449 |
| Danube Countries | 0 | - | 4.97 | 71,746 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 116,672 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,146 |
| Countries with the Worst Passports | 0 | - | 4.94 | 83,813 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 148,890 |
| European Landlocked Countries | 0 | - | 4.99 | 146,869 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,251 |
| Countries with the Most Species | 0 | - | 4.99 | 103,014 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,408 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,458 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,624 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,376 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,047 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,446 |
| Countries in the Alps | 0 | - | 4.87 | 117,831 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 95,224 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,556 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,473 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,348 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,215 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,782 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,377 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,262 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,025 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,629 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,526 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,375 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,996 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,265 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,284 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,371 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,121 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,630 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 45,670 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 242,774 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,460 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,045 |
| Largest Countries By Category | 0 | - | 4.97 | 157,796 |
| Countries by Countries | 0 | - | 4.97 | 62,931 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,338 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,184 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,490 |
| All Countries by Population With a Map | 0 | - | 4.98 | 108,825 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,725 |
| 20 Random Country Flags | 0 | - | 4.99 | 611,478 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 88,419 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,762,366 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,663 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,094 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,482 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,772 |
| Geography by Picture - A | 0 | - | 4.39 | 60,235 |
| Geography by Picture - D | 0 | - | 4.15 | 45,649 |
| Geography by Picture - F | 0 | - | 4.31 | 50,987 |
| Geography by Picture - G | 0 | - | 4.38 | 47,939 |
| 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 | 57,058 |
| Geography by Picture - L | 0 | - | 4.37 | 58,945 |
| Geography by Picture - M | 0 | - | 4.14 | 40,450 |
| Geography by Picture - P | 0 | - | 4.24 | 42,429 |
| Geography by Picture - S | 0 | - | 4.38 | 47,035 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,249 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,440 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,454 |
| Flag Maths | 0 | - | 4.64 | 57,756 |
| Satellite Images #1 | 0 | - | 4.47 | 129,338 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,278 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,896 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,900 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 38,966 |
| Cities by Picture #1 | 0 | - | 4.73 | 85,945 |
| Tourist Attraction by Negative Review | 0 | - | 4.86 | 82,306 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,420 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,792 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,360 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,134 |
| Longest International Borders | 0 | - | 4.99 | 264,827 |
| Countries with Three Borders | 0 | - | 4.96 | 36,497 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 41,963 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,085 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,025 |
| Demonym of Every Country | 0 | - | 4.91 | 59,242 |
| Islands by Shape #1 | 0 | - | 4.32 | 84,343 |
| Islands by Picture | 0 | - | 4.29 | 106,868 |
| Former Countries by Territory Map | 0 | - | 4.96 | 102,717 |
| Empires by Maps | 0 | - | 4.98 | 120,292 |
| Pacific Ocean General Knowledge | 0 | - | 4.69 | 36,301 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,719 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,383 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,722 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,584,808 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 374,838 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 405,820 |
| Island Countries | 0 | - | 4.99 | 710,112 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,354 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,051 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,141 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,895 |
| Similar Flags #1 | 0 | - | 4.75 | 129,935 |
| Similar Flags #2 | 0 | - | 4.74 | 137,229 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,461 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,047,017 |
| Northernmost Countries | 0 | - | 4.99 | 360,890 |
| Countries of South America | 0 | - | 5.00 | 924,103 |
| Countries of Oceania | 0 | - | 5.00 | 1,052,792 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,869,420 |
| "Land" Countries | 0 | - | 4.98 | 336,004 |
| Countries by Picture #1 | 0 | - | 4.53 | 99,373 |
| Countries by Picture #3 | 0 | - | 4.51 | 59,357 |
| Guess the Country by a Picture Hint | 0 | - | 4.43 | 47,784 |
| Random Circular Cutouts of the World Map | 0 | - | 4.96 | 75,900 |
