| All Country Flags of the World | 0 | - | 5.00 | 3,675,690 |
| Countries by Road Signs | 0 | - | 4.98 | 53,983 |
| Circular Cutouts from a World Map | 0 | - | 4.98 | 61,713 |
| Islands by Shape #2 | 0 | - | 4.88 | 59,323 |
| Country Flags Quiz #1 | 0 | - | 4.98 | 2,539,218 |
| Country Flags Quiz #2 | 0 | - | 4.98 | 1,093,906 |
| Country Flags Quiz #3 | 0 | - | 4.97 | 734,138 |
| Countries with the Highest Minimum Elevation | 0 | - | 4.86 | 16,188 |
| Countries with the Highest Maximum Elevation | 0 | - | 4.97 | 180,786 |
| Five Most Elevated Countries by Continent | 0 | - | 4.98 | 113,070 |
| Top 10 European Countries with the Highest Elevation | 0 | - | 4.83 | 91,295 |
| Flags with Crescents | 0 | - | 4.98 | 169,964 |
| Country Flag Trivia | 0 | - | 4.81 | 57,251 |
| Country Flags with Eagles - Picture Quiz | 0 | - | 4.98 | 104,026 |
| Country Flags with the Union Jack | 0 | - | 4.87 | 77,724 |
| Pixelated Flag Quiz | 0 | - | 4.97 | 87,685 |
| Country Flags with the Sun - Picture Quiz | 0 | - | 4.83 | 52,989 |
| Boundary Waters | 0 | - | 4.92 | 88,545 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.86 | 35,228 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,222 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,650 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,569 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,532 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 146,117 |
| Countries by Satellite Image #5 | 0 | - | 4.90 | 82,817 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 49,047 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 145,123 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 116,317 |
| Flags with the Most Stars | 0 | - | 4.91 | 136,823 |
| Country Flags with the Southern Cross | 0 | - | 4.81 | 62,525 |
| Flags that are Red & White Only | 0 | - | 4.97 | 164,652 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 146,361 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 76,549 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 47,769 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 68,705 |
| Pixelated World Map | 0 | - | 5.00 | 143,572 |
| Country Flags with the Most Red | 0 | - | 4.98 | 120,695 |
| Country Flags with the Most Blue | 0 | - | 4.89 | 92,720 |
| Country Flags with the Most Green | 0 | - | 4.96 | 99,813 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 99,597 |
| Country Flags with the Most Yellow | 0 | - | 4.95 | 99,240 |
| Country Flags with the Most Black | 0 | - | 4.95 | 97,683 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,805 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 50,206 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 99,591 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,935 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 66,128 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 45,230 |
| Countries by Partial Flag Images #7 | 0 | - | 4.88 | 32,086 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,839 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,537 |
| World Coats of Arms | 0 | - | 4.99 | 64,653 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,546 |
| Flags to Languages | 0 | - | 4.95 | 173,848 |
| Former Flags | 0 | - | 4.97 | 107,912 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 36,016 |
| Country Flags With Blue Removed | 0 | - | 4.92 | 44,590 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,247,217 |
| Flags of Asia Quiz | 0 | - | 4.99 | 615,298 |
| Flags of Africa Quiz | 0 | - | 5.00 | 472,628 |
| Flags of North and South America | 0 | - | 4.99 | 373,954 |
| Geography by Picture - B | 0 | - | 4.42 | 55,659 |
| Geography by Picture - H | 0 | - | 4.50 | 58,271 |
| Geography by Picture - N | 0 | - | 4.45 | 42,237 |
| Geography by Picture - R | 0 | - | 4.56 | 41,062 |
| Geography by Picture - T | 0 | - | 4.54 | 57,888 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 31,037 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,555,515 |
| Landlocked Countries | 0 | - | 4.99 | 421,625 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 575,870 |
| Flags of Oceania | 0 | - | 5.00 | 260,214 |
| Three Band Flags of Europe | 0 | - | 4.98 | 193,600 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,992 |
| Pixelated Asia Map | 0 | - | 4.90 | 73,348 |
| Pixelated Europe Map | 0 | - | 4.88 | 122,932 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,692 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,985 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,361 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,363 |
| World Capitals Quiz | 0 | - | 5.00 | 5,081,300 |
| Sahara Desert Countries | 0 | - | 4.98 | 164,269 |
| Himalayan Countries | 0 | - | 4.95 | 138,567 |
| Andean Countries | 0 | - | 4.93 | 84,518 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,702 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 125,699 |
| Coffee Producing Countries | 0 | - | 4.83 | 67,336 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 65,731 |
| Danube Countries | 0 | - | 4.97 | 71,961 |
| Countries With an "Ish" Demonym | 0 | - | 4.98 | 116,963 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 86,381 |
| Countries with the Worst Passports | 0 | - | 4.93 | 84,222 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 149,702 |
| European Landlocked Countries | 0 | - | 4.99 | 147,088 |
| Partially Recognized Countries | 0 | - | 4.98 | 106,568 |
| Countries with the Most Species | 0 | - | 4.99 | 103,199 |
| Countries 197 to 205 | 0 | - | 4.89 | 70,699 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,568 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,704 |
| Countries that Use the Peso | 0 | - | 4.89 | 59,516 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 73,195 |
| Countries with a AAA Credit Rating | 0 | - | 4.86 | 57,618 |
| Countries in the Alps | 0 | - | 4.87 | 118,148 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 100,867 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 106,975 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,620 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 96,564 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 116,456 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.92 | 95,921 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 100,629 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 53,460 |
| Largest Country by Body of Water | 0 | - | 4.96 | 58,156 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,811 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,631 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,493 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 104,184 |
| Arctic Ocean Countries | 0 | - | 4.95 | 79,434 |
| Countries with the Most Grassland | 0 | - | 4.94 | 77,485 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 118,814 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 68,280 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 63,184 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 46,008 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 243,748 |
| World Countries - Blind Typing | 0 | - | 5.00 | 107,997 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 48,191 |
| Largest Countries By Category | 0 | - | 4.97 | 158,147 |
| Countries by Countries | 0 | - | 4.96 | 63,156 |
| Country Flags with the Most White | 0 | - | 4.85 | 138,637 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,269 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,554 |
| All Countries by Population With a Map | 0 | - | 4.98 | 109,472 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,955 |
| Countries by Highest Mountain | 0 | - | 4.51 | 20,011 |
| 20 Random Country Flags | 0 | - | 4.99 | 614,058 |
| Country Flags With Only Two Colors | 0 | - | 4.91 | 88,640 |
| Countries with the Highest Elevation with Exceptions | 0 | - | 4.70 | 59,633 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,776,140 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,868 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 83,266 |
| 50 Largest Countries on the World Map Quiz | 0 | - | 4.98 | 145,682 |
| Western Europe Map Quiz | 0 | - | 4.86 | 93,846 |
| Geography by Picture - A | 0 | - | 4.39 | 60,309 |
| Geography by Picture - D | 0 | - | 4.15 | 45,695 |
| Geography by Picture - F | 0 | - | 4.31 | 51,054 |
| Geography by Picture - G | 0 | - | 4.39 | 47,984 |
| Geography by Picture - J | 0 | - | 4.16 | 38,498 |
| Geography by Picture - K | 0 | - | 4.29 | 33,164 |
| Geography by Picture - C | 0 | - | 4.31 | 57,117 |
| Geography by Picture - L | 0 | - | 4.37 | 59,027 |
| Geography by Picture - M | 0 | - | 4.14 | 40,495 |
| Geography by Picture - P | 0 | - | 4.24 | 42,468 |
| Geography by Picture - S | 0 | - | 4.38 | 47,077 |
| Miscellaneous Flags Quiz | 0 | - | 4.42 | 280,833 |
| Flags of the Mediterranean | 0 | - | 4.94 | 148,743 |
| Country Flags Multiple Choice | 0 | - | 4.97 | 144,771 |
| Flag Maths | 0 | - | 4.64 | 57,784 |
| Satellite Images #1 | 0 | - | 4.47 | 129,448 |
| Satellite Images Quiz #2 | 0 | - | 4.63 | 109,372 |
| Satellite Images Quiz #4 | 0 | - | 4.55 | 88,969 |
| Satellite Images Quiz #5 | 0 | - | 4.52 | 49,994 |
| Satellite Images Quiz #6 | 0 | - | 4.50 | 39,028 |
| Cities by Picture #1 | 0 | - | 4.73 | 86,130 |
| Tourist Attraction by Negative Review | 0 | - | 4.85 | 82,478 |
| Who Controls It? #1 | 0 | - | 4.83 | 48,481 |
| All 10m+ First-Level Country Subdivisions | 0 | - | 4.98 | 34,900 |
| Border Crossings Quiz #1 | 0 | - | 4.99 | 208,905 |
| Border Crossings Quiz #2 | 0 | - | 4.99 | 128,266 |
| Longest International Borders | 0 | - | 4.99 | 265,136 |
| Countries with Three Borders | 0 | - | 4.96 | 36,592 |
| Country Connect by Northernmost Point | 0 | - | 4.96 | 42,101 |
| Largest Cities for each Latitude Degree | 0 | - | 4.99 | 48,199 |
| Countries with the Lowest Maximum Elevation | 0 | - | 4.85 | 37,060 |
| Demonym of Every Country | 0 | - | 4.91 | 60,603 |
| Islands by Shape #1 | 0 | - | 4.33 | 84,407 |
| Islands by Picture | 0 | - | 4.28 | 107,181 |
| Former Countries by Territory Map | 0 | - | 4.96 | 103,028 |
| Empires by Maps | 0 | - | 4.98 | 120,822 |
| Pacific Ocean General Knowledge | 0 | - | 4.70 | 36,328 |
| The Same Prefixes - Geography | 0 | - | 4.48 | 47,821 |
| "Second Best" Geography Edition #1 | 0 | - | 4.61 | 63,480 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,290 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,589,668 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 375,413 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 406,980 |
| Island Countries | 0 | - | 4.99 | 710,910 |
| Countries by Satellite Image #3 | 0 | - | 4.63 | 71,530 |
| Countries by Satellite Image #2 | 0 | - | 4.80 | 70,219 |
| Countries by Satellite Image #4 | 0 | - | 4.63 | 67,297 |
| Countries by Partial Satellite Image #2 | 0 | - | 4.53 | 46,989 |
| Similar Flags #1 | 0 | - | 4.75 | 130,211 |
| Similar Flags #2 | 0 | - | 4.74 | 137,499 |
| Countries by Partial Satellite Image #1 | 0 | - | 4.75 | 44,563 |
| Biggest Countries by Area | 0 | - | 5.00 | 1,049,414 |
| Northernmost Countries | 0 | - | 4.99 | 361,798 |
| Mountains by Country | 0 | - | 4.56 | 81,820 |
| Countries of South America | 0 | - | 5.00 | 926,798 |
| Countries of Oceania | 0 | - | 5.00 | 1,056,233 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,876,183 |
| "Land" Countries | 0 | - | 4.98 | 337,233 |
| Countries by Picture #1 | 0 | - | 4.51 | 117,951 |
| Countries by Picture #3 | 0 | - | 4.51 | 60,855 |
