| Category Elimination - Country Flags #1 | 0 | - | 4.96 | 141,585 |
| 20 Random Country Flags | 0 | - | 4.99 | 606,051 |
| Countries by Partial Flag Images #1 | 0 | - | 4.96 | 143,409 |
| Countries by Partial Flag Images #3 | 0 | - | 4.98 | 114,805 |
| Flags with the Most Stars | 0 | - | 4.91 | 135,296 |
| Country Flags with the Southern Cross | 0 | - | 4.83 | 61,600 |
| Flags that are Red & White Only | 0 | - | 4.97 | 162,973 |
| Country Flags that are Red, White, and Blue Only | 0 | - | 4.93 | 144,991 |
| Flags of the Countries with Four Letters | 0 | - | 4.94 | 74,796 |
| Four Countries with Similar Flags #2 | 0 | - | 4.92 | 46,858 |
| Four Countries with Similar Flags #1 | 0 | - | 4.97 | 67,868 |
| Country Flags with the Most Red | 0 | - | 4.98 | 119,603 |
| Country Flags with the Most Blue | 0 | - | 4.88 | 91,897 |
| Country Flags with the Most Green | 0 | - | 4.96 | 98,990 |
| Country Flags with the Most Orange | 0 | - | 4.96 | 98,741 |
| Country Flags with the Most Yellow | 0 | - | 4.94 | 98,472 |
| Country Flags with the Most Black | 0 | - | 4.95 | 96,957 |
| Country Flags with the Most Stripes - Picture Quiz | 0 | - | 4.95 | 67,376 |
| Country Flags with the Most Colours A-Z | 0 | - | 4.95 | 49,770 |
| Countries by Partial Flag Images #2 | 0 | - | 4.97 | 98,813 |
| Countries by Partial Flag Images #4 | 0 | - | 4.91 | 80,094 |
| Countries by Partial Flag Images #5 | 0 | - | 4.98 | 65,281 |
| Countries by Partial Flag Images #6 | 0 | - | 4.89 | 44,425 |
| Countries With Blue and White Flags | 0 | - | 4.90 | 98,132 |
| Country Flags that are White, Red and Green Only | 0 | - | 4.86 | 35,697 |
| Country Flags With Blue Removed | 0 | - | 4.93 | 43,920 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,584 |
| Flags of Countries of the World in 1910 | 0 | - | 4.96 | 78,233 |
| Countries by Partial Flag Images #7 | 0 | - | 4.90 | 31,164 |
| Country Flags with Five Stars - Picture Quiz | 0 | - | 4.93 | 30,759 |
| World Map Without 20 Random Countries | 0 | - | 4.99 | 8,245,408 |
| Countries by Bordering Flags #1 | 0 | - | 4.90 | 112,194 |
| Countries by Bordering Flags #2 | 0 | - | 4.86 | 82,750 |
| Flags of Europe Quiz | 0 | - | 4.99 | 1,230,059 |
| Flags of Asia Quiz | 0 | - | 4.99 | 606,999 |
| World Map without 12 Countries | 0 | - | 4.97 | 342,794 |
| Countries with Four Letters - Shape Quiz | 0 | - | 4.97 | 100,971 |
| Country Shapes Quiz #1 | 0 | - | 4.93 | 904,808 |
| Country Shapes Quiz #2 | 0 | - | 4.97 | 415,236 |
| Every Country Shape | 0 | - | 5.00 | 460,182 |
| Random Countries on the World Map | 0 | - | 5.00 | 1,538,451 |
| Flags of Africa Quiz | 0 | - | 5.00 | 464,749 |
| Flags of North and South America | 0 | - | 4.99 | 368,593 |
| Former Flags | 0 | - | 4.97 | 106,901 |
| Flags to Capitals #1 | 0 | - | 4.96 | 57,991 |
| Flags to Capitals #2 | 0 | - | 4.95 | 44,026 |
| World Map without 12 Countries #2 | 0 | - | 4.98 | 171,902 |
| World Map without 12 Countries #3 | 0 | - | 4.98 | 137,276 |
| Country Shapes Quiz #3 | 0 | - | 4.90 | 294,792 |
| Country Shapes Quiz #4 | 0 | - | 4.94 | 224,562 |
| Country Shapes Quiz #5 | 0 | - | 4.93 | 163,056 |
| Recognize Countries by Tripoint Maps #1 | 0 | - | 4.99 | 34,839 |
| Country Shapes in the World Map #3 | 0 | - | 4.99 | 103,505 |
| Country Shapes in the World Map #2 | 0 | - | 4.99 | 110,802 |
| Country Shapes in the World Map #1 | 0 | - | 4.99 | 121,435 |
| Country Shapes in the World Map #4 | 0 | - | 4.98 | 107,443 |
| Country Shapes in the World Map #6 | 0 | - | 4.98 | 80,142 |
| Country Shapes in the World Map #7 | 0 | - | 4.99 | 57,683 |
| Country Shapes in the World Map #5 | 0 | - | 4.98 | 85,168 |
| Cartoon Versions of Countries | 0 | - | 4.99 | 94,754 |
| Country Shapes Under the Sea | 0 | - | 5.00 | 77,288 |
| A Square of Merged Countries #1 | 0 | - | 4.88 | 59,091 |
| Random Country Shape to Country | 0 | - | 4.90 | 111,362 |
| A Square of Merged Countries #2 | 0 | - | 4.97 | 41,114 |
| Five Most Guessed Country Flags by Continent | 0 | - | 4.98 | 53,005 |
| Flags of Oceania | 0 | - | 5.00 | 255,999 |
| Three Band Flags of Europe | 0 | - | 4.98 | 192,136 |
| Countries in Random Rings of the World Map | 0 | - | 4.99 | 85,711 |
| Random Sequential Countries on the World Map | 0 | - | 5.00 | 519,146 |
| Random Countries on the Borderless World Map | 0 | - | 4.99 | 182,583 |
| Countries in Squares of the World Map | 0 | - | 5.00 | 183,353 |
| Countries in Random Squares of the World Map | 0 | - | 4.99 | 334,770 |
| Flags of the Countries that Start with C | 0 | - | 4.89 | 129,472 |
| Flags of the Countries that Start with I | 0 | - | 4.94 | 153,134 |
| Flags of the Countries that Start with B | 0 | - | 4.96 | 41,963 |
| Flags of the Countries that Start with A | 0 | - | 4.94 | 126,776 |
| World Map with Random Merged Countries | 0 | - | 4.99 | 1,708,206 |
| Similar Flags #1 | 0 | - | 4.74 | 129,285 |
| Similar Flags #2 | 0 | - | 4.74 | 136,548 |
| Countries Connected in the World Map #2 | 0 | - | 4.97 | 79,791 |
| Countries Connected in the World Map #1 | 0 | - | 4.97 | 76,480 |
| Countries Connected in the World Map #3 | 0 | - | 4.97 | 75,749 |
| Countries in a Ring of the World Map | 0 | - | 4.99 | 153,708 |
| Countries in a Strip of the World Map | 0 | - | 4.99 | 72,941 |
| Countries in a Stewart of the World Map | 0 | - | 4.99 | 54,691 |
| Countries by Road Signs | 0 | - | 4.98 | 53,245 |
| Flags of the Mediterranean | 0 | - | 4.94 | 147,698 |
| Recognize Countries by Tripoint Maps #2 | 0 | - | 4.99 | 28,732 |
| Countries in Squares of an Empty World Map | 0 | - | 4.99 | 125,500 |
| Countries in an Empty Ring of the World Map | 0 | - | 4.92 | 125,735 |
| Country Picture Puzzle Game #1 | 0 | - | 4.86 | 85,871 |
| One Border Countries - Shape Quiz | 0 | - | 4.84 | 64,572 |
| Random Sequential Countries on the World Map - Hard Version | 0 | - | 5.00 | 74,835 |
| Merged Country Shapes Quiz #1 | 0 | - | 4.93 | 59,107 |
| Merged Country Shapes Quiz #2 | 0 | - | 4.92 | 59,897 |
| Merged Country Shapes Quiz #3 | 0 | - | 4.86 | 41,732 |
| Divided Country Shape Puzzle #1 | 0 | - | 4.87 | 52,968 |
| Merged Countries #2 | 0 | - | 4.96 | 98,567 |
| Merged Countries #6 | 0 | - | 4.90 | 72,817 |
| Merged Countries #7 | 0 | - | 4.92 | 82,061 |
| Name a Valid Country A-Z | 0 | - | 4.98 | 120,412 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,021,048 |
| Countries in a JetPunk Fish of the World Map | 0 | - | 4.99 | 59,904 |
| Countries in a Blue JetPunk Fish of the World Map | 0 | - | 4.92 | 71,489 |
| Name a Valid Country Bordering Each Sea | 0 | - | 4.90 | 114,920 |
| Flag Coloring Book Puzzle #1 | 0 | - | 4.97 | 170,174 |
| Countries by Satellite Image #1 | 0 | - | 4.89 | 144,617 |
| Countries by Satellite Image #5 | 0 | - | 4.89 | 82,059 |
| Countries by Partial Satellite Image #3 | 0 | - | 4.83 | 48,511 |
| Pixelated World Map | 0 | - | 5.00 | 142,614 |
| Countries by Coat of Arms #1 | 0 | - | 4.93 | 72,444 |
| Countries by Coat of Arms #2 | 0 | - | 4.81 | 41,315 |
| World Coats of Arms | 0 | - | 4.99 | 63,990 |
| Landlocked Countries | 0 | - | 4.99 | 414,903 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 556,546 |
| Countries of Europe Quiz | 0 | - | 5.00 | 3,727,106 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,434 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,242 |
| Spanish-Speaking Countries | 0 | - | 4.95 | 372,574 |
| Countries with the Most Tourists Quiz | 0 | - | 4.92 | 402,492 |
| Island Countries | 0 | - | 4.99 | 708,111 |
| Sahara Desert Countries | 0 | - | 4.98 | 161,099 |
| Himalayan Countries | 0 | - | 4.95 | 135,815 |
| Andean Countries | 0 | - | 4.94 | 83,089 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,414 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,517 |
| Coffee Producing Countries | 0 | - | 4.81 | 66,116 |
| Countries with Shrinking Populations | 0 | - | 4.94 | 64,774 |
| Danube Countries | 0 | - | 4.97 | 71,215 |
| Countries With an "Ish" Demonym | 0 | - | 4.97 | 115,937 |
| Countries With an "Ese" Demonym | 0 | - | 4.97 | 85,668 |
| Countries with the Worst Passports | 0 | - | 4.94 | 82,767 |
| Countries with the Most Immigrants | 0 | - | 4.90 | 147,677 |
| European Landlocked Countries | 0 | - | 4.99 | 145,911 |
| Partially Recognized Countries | 0 | - | 4.98 | 105,430 |
| Countries with the Most Species | 0 | - | 4.99 | 95,316 |
| Countries 197 to 205 | 0 | - | 4.89 | 69,577 |
| Tropic of Cancer Countries | 0 | - | 4.97 | 53,245 |
| Tropic of Capricorn Countries | 0 | - | 4.96 | 47,422 |
| Countries that Use the Peso | 0 | - | 4.88 | 59,034 |
| Countries with the Largest Exclusive Economic Zone | 0 | - | 4.90 | 72,679 |
| Countries with a AAA Credit Rating | 0 | - | 4.85 | 57,045 |
| Countries in the Alps | 0 | - | 4.86 | 117,040 |
| Top Five Importing Partners by Country | 0 | - | 4.97 | 94,712 |
| Countries, Capitals, Currencies and Official Languages | 0 | - | 5.00 | 105,501 |
| Biggest Import Partners By Country | 0 | - | 4.99 | 78,129 |
| Southernmost Countries by Continent | 0 | - | 4.98 | 95,539 |
| Northernmost Countries by Continent | 0 | - | 4.98 | 115,327 |
| Countries by Population Growth, 1970–Present | 0 | - | 4.91 | 95,109 |
| Five Biggest Countries by Latitude | 0 | - | 4.97 | 99,738 |
| Five Biggest Countries by Longitude | 0 | - | 4.91 | 52,864 |
| Largest Country by Body of Water | 0 | - | 4.96 | 57,649 |
| Countries with the Most Container Port Traffic | 0 | - | 4.92 | 62,173 |
| Bridge and Tunnel Borders | 0 | - | 4.96 | 53,253 |
| Countries with the Longest Road Networks Quiz | 0 | - | 4.90 | 41,114 |
| Countries that Touch the Prime Meridian or Equator | 0 | - | 4.88 | 103,575 |
| Arctic Ocean Countries | 0 | - | 4.95 | 78,849 |
| Countries with the Most Grassland | 0 | - | 4.93 | 76,856 |
| All Countries by Area : Four at a Time | 0 | - | 5.00 | 117,352 |
| Countries with the Most Climate Zones | 0 | - | 4.96 | 67,759 |
| Countries that Host the Most Refugees | 0 | - | 4.95 | 59,330 |
| Countries of the World by Similar Area in 90 Seconds | 0 | - | 4.95 | 44,970 |
| All Countries of the World by Area with Hints | 0 | - | 4.97 | 239,996 |
| World Countries - Blind Typing | 0 | - | 5.00 | 106,070 |
| Countries in Their Own Alphabet | 0 | - | 4.95 | 47,695 |
| Largest Countries By Category | 0 | - | 4.97 | 156,959 |
| Countries by Countries | 0 | - | 4.96 | 62,400 |
| Countries of the World with an Empty Map | 0 | - | 5.00 | 3,365,758 |
| Country Flags with the Most White | 0 | - | 4.87 | 137,589 |
| Countries With the Northernmost Southernmost Point | 0 | - | 4.96 | 62,005 |
| Countries with the Southernmost Northernmost Point | 0 | - | 4.87 | 47,368 |
| All Countries by Population With a Map | 0 | - | 4.98 | 107,151 |
| Six Degrees of Separation - Countries #1 | 0 | - | 4.96 | 98,242 |
| Country Flags With Only Two Colors | 0 | - | 4.92 | 87,887 |
| Every American Country by Shape | 0 | - | 4.79 | 37,107 |
| Biggest Countries by Area | 0 | - | 4.99 | 1,041,190 |
| Northernmost Countries | 0 | - | 4.99 | 358,458 |
| Countries of South America | 0 | - | 5.00 | 916,996 |
| Countries of Oceania | 0 | - | 5.00 | 1,043,147 |
| Countries of Asia Quiz | 0 | - | 5.00 | 1,852,711 |
| "Land" Countries | 0 | - | 4.98 | 333,984 |
| Africa Map with Random Merged Countries | 0 | - | 4.95 | 72,718 |
| Cross Flags of Europe | 0 | - | 4.43 | 297,240 |
| Category Elimination - European Countries #1 | 0 | - | 4.89 | 89,164 |
| Pixelated Country Shapes #1 | 0 | - | 4.74 | 72,226 |
| Pixelated Country Shapes #2 | 0 | - | 4.75 | 67,481 |
| Country Flag-Shape Picture Quiz #1 | 0 | - | 4.94 | 94,248 |
| Country Flag-Shape Picture Quiz #2 | 0 | - | 4.89 | 72,390 |
| Country Flag-Shape Picture Quiz #4 | 0 | - | 4.96 | 71,362 |
| Country Flag-Shape Picture Quiz #6 | 0 | - | 4.98 | 69,305 |
| Country Flag-Shape Picture Quiz #5 | 0 | - | 4.97 | 61,426 |
| Country Flag-Shape Picture Quiz #7 | 0 | - | 4.96 | 58,521 |
| Country Flag-Shape Picture Quiz #8 | 0 | - | 4.98 | 56,811 |
| Name a Country A-Z | 0 | - | 5.00 | 240,995 |
| Countries that Beat Australia | 0 | - | 4.92 | 92,224 |
| Europe Flags Map Quiz | 0 | - | 4.97 | 156,959 |
| Fill the World Map by Country Flags | 0 | - | 4.99 | 83,083 |
| Flags of the Middle East | 0 | - | 4.69 | 62,399 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,256 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,183 |