| 547 | Country Superlatives by Letter - C |
| 546 | Country and Capital with Same Amount of Letters |
| 544 | European Countries with the Letter "O" |
| 542 | Most Populated Country Beginning with the Letters of JETPUNK |
| 538 | African Countries by Letter - A |
| 532 | 15 Countries Containing an Unknown Letter |
| 514 | Letters In The Middle: Countries |
| 512 | Countries Containing These Three Letters #3 |
| 494 | European Countries with the Letter I |
| 477 | Majority Muslim Countries A-Z |
| 474 | Country Superlatives by Letter - I |
| 473 | Click the 3-Letter American Country Code |
| 461 | Longest Country Names with No Repeated Letters |
| 455 | Most Common First Six Letters of Countries |
| 450 | Asian Countries by Letter - A |
| 434 | Countries with Five Letters - World Map Sudden Death |
| 430 | Unique Countries: by 1st-2nd-3rd-4th-5th-6th Letter |
| 426 | Country Superlatives by Letter - E |
| 404 | Click the 3-Letter African Country Code |
| 403 | Shortest Country Names with Repeated Letters |
| 400 | Country Superlatives by Letter - G |
| 385 | Largest and Smallest Countries by Number of Letters |
| 379 | Click the 3-Letter Oceanian Country Code |
| 354 | Coldest Country By Letter |
| 343 | Countries whose Capitals have Four Letters - Sudden Death |
| 339 | Countries by Shortest Unique Initial Letter Sequences |
| 337 | Country Superlatives by Letter - J+K |
| 328 | Warmest Country By Letter |
| 317 | North American Countries with a Unique Initial Letter |
| 286 | Countries with Six Letters - World Map Sudden Death |
| 274 | Longest Country Names Excluding Repeated Letters |
| 274 | Countries Bordering "N"-Countries - Sudden Death |
| 248 | Oceanian Countries with a Unique Initial Letter |
| 240 | Countries with the same second and last letter in the name |
| 233 | Largest Countries by Letter with Exceptions |
| 231 | Country Names Containing a Letter - L |
| 231 | Country Names by Most Common Letters |
| 227 | Number of Countries by First Letter |
| 226 | Countries A-Z with the Smallest Area |
| 227 | Country Names Containing a Letter - G |
| 218 | Countries Bordering "T"-Countries - Sudden Death |
| 212 | Countries Bordering "P" Countries - Sudden Death |
| 206 | Country Names Containing a Letter - Y |
| 205 | Countries Bordering "I"-Countries - Sudden Death |
| 199 | Countries Starting With The Same Letter Furthest Away From Each Other |
| 196 | Countries that End with A |
| 194 | Country Names Containing a Letter - NN |
| 193 | Country Names Containing a Letter - OO |
| 184 | Country Names Containing a Letter - AAA |
| 181 | Name Every Country by a Single Letter With Exceptions |
| 179 | Country Names Containing a Letter - M |
| 178 | Country Names Containing a Letter - X |
| 177 | Countries that End with E |
| 177 | Countries that End with L |
| 176 | Country Names Containing a Letter - W |
| 174 | Countries A-Z with the Largest Capital |
| 171 | Country Names Containing a Letter - EE |
| 170 | Country Names Containing a Letter - F |
| 168 | Country Names Containing a Letter - P |
| 167 | Country Names Containing a Letter - K |
| 163 | Country Names Containing a Letter - H |
| 163 | Country Names Containing a Letter - II |
| 160 | Country Names Containing a Letter - UU |
| 157 | Countries by Alphabetically Near Countries |
| 157 | Country Names Containing a Letter - SS |
| 156 | Countries that Start and End with the Same Letter |
| 154 | Country Names Containing a Letter - C |
| 153 | Country Names Containing a Letter - D |
| 153 | Country Names Containing a Letter - TT |
| 152 | Countries that End with I |
| 152 | Country Names Containing a Letter - Q |
| 151 | Country Names Containing a Letter - B |
| 149 | Country Names Containing a Letter - V |
| 149 | Country Names Containing a Letter - J |
| 146 | Number of Countries by Last Letter |
| 146 | Countries by Second Letter |
| 143 | Country Names Containing a Letter - RR |
| 140 | Countries that End in -stan |
| 135 | Countries by first letter of Country and Capital |
| 130 | Countries that End with C |
| 121 | European Union countries in 1 minute by their first 2 letters |
| 117 | Name a Country for each Letter and Flag Colour |
| 111 | Countries that End with S |
| 110 | Countries that End with N |
| 107 | Most Common Country Names' 2 Last Letters |
| 106 | Countries that End with O |
| 102 | Which letter has more countries beginning with it? |
| 99 | Countries that End with Y |
| 99 | Countries that End with K |
| 90 | Most Common Country Names' 2 First Letters |
| 90 | Countries and Capitals that Share No Letters |
| 87 | Which country comes alphabetically in between? #1 |
| 86 | Countries that End with R |
| 81 | Countries that End with G |
| 81 | Countries that End with H |
| 77 | Which country comes alphabetically in between? #2 |
| 76 | Countries that End with U |
| 75 | Countries by Letter Sequence |
| 74 | Countries that End with Q |
| 74 | Countries that End with M |
| 74 | Countries that End with T |
| 71 | Countries A-Z West of New York |
| 67 | Countries with the Least Bordering Letters |
| 65 | Countries with the Most Bordering Letters |
| 63 | Countries that Start with the Letters of JetPunk |
| 46 | Most Populous Countries by Letter |
| 44 | Spell Two Bordering Country Names Using 7 Letters or Less |
