Only songs that are not available at the start are listed below.

Song	How to unlock
003. StreetPass Mii Plaza: Main Theme 2	Plaza Population of 20 Miis
004. StreetPass Mii Plaza: Main Theme 3	Plaza Population of 50 Miis
005. StreetPass Mii Plaza: Main Theme 4	Plaza Population of 100 Miis
006. StreetPass Mii Plaza: Main Theme 5	Plaza Population of 300 Miis
007. StreetPass Mii Plaza: Main Theme 6	Plaza Population of 500 Miis
008. StreetPass Mii Plaza: Main Theme 7	Plaza Population of 1000 Miis
009. StreetPass Mii Plaza: Salesbunny	Visit the add-on description screen
011. Puzzle Swap: Collected Pieces	Play Puzzle Swap at least once
012. Puzzle Swap: Panel Complete	Complete a panel
013. Puzzle Swap: All Panels Complete	Complete all 7 initial panels
021. Find Mii: Fight On, Heroes!	Enter the Mirage Tower
022. Find Mii: Dark Room	Complete Find Mii
023. Find Mii: Armored Fiend	Complete Find Mii
024. Find Mii: Ultimate Ghost	Complete Find Mii
025. Find Mii: Ending	Complete Find Mii
026. Find Mii II: Title	Unlock Find Mii II
027. Find Mii II: Venture Forth 1	Unlock Find Mii II
028. Find Mii II: Venture Forth 2	Complete Find Mii II
029. Find Mii II: Venture Forth 3	Complete Find Mii II
030. Find Mii II: Venture Forth 4	Complete Find Mii II Secret Quest
031. Find Mii II: Keep Fighting, Heroes!	Unlock Find Mii II
032. Find Mii II: Current Results	Unlock Find Mii II
033. Find Mii II: Save the World, Heroes!	Save the Prince
034. Find Mii II: Armored Archfiend	Complete Find Mii II
035. Find Mii II: Dark Lord	Complete Find Mii II
036. Find Mii II: Ending	Complete Find Mii II
037. Mii Force: Title	Play Mii Force for the first time
038. Mii Force: Platinum Beach	Play level 1-1 at least once
039. Mii Force: Dunewatch Castle	Play level 1-2 at least once
040. Mii Force: Cerulean Tower	Play level 1-3 at least once
041. Mii Force: Ragnablok Chasm	Play level 2-1 at least once
042. Mii Force: Defend the Core Stones!	Play level 2-2 at least once
043. Mii Force: Slitherstone Ruins	Play level 2-3 at least once
044. Mii Force: Parade o' Plunder	Play level 3-1 at least once
045. Mii Force: Bone Rattler	Play level 3-2 at least once
046. Mii Force: Wheels of Woe	Play level 3-3 at least once
047. Mii Force: Nautilus Nest	Play level 4-1 at least once
048. Mii Force: Prospector's Trench	Play level 4-3 at least once
049. Mii Force: GB-1 Space Dock	Play level 5-1 at least once
050. Mii Force: GB-1 Central Core	Play level 5-2 at least once
051. Mii Force: Goldie VII	Play level 5-3 at least once
052. Mii Force: Road Block	Fight Skull Bone at least once
053. Mii Force: Come Get Me!	Fight Bone Jr. at least once
054. Mii Force: Robo-Bone	Fight Robo-Bone at least once
055. Mii Force: On Patrol	Play Mii Force for the first time
056. Mii Force: Mii Force, Assemble?!	Play Mii Force for the first time
057. Mii Force: Reporting for Duty	Play Mii Force for the first time
058. Mii Force: Helpful Advice	Lose a life
059. Mii Force: The Galaxy Awaits	Play Mii Force for the first time
060. Mii Force: Mii Force, Move Out!	Play Mii Force for the first time
061. Mii Force: Gold Bone's Theme	Play Mii Force for the first time
062. Mii Force: Aye, Cap'n!	Beat level 1-3
063. Mii Force: Pesky Flies	Fight Robo-Bone at least once
064. Mii Force: A Boss Appears	Beat level 1-1
065. Mii Force: Ending	Beat level 5-3
066. Flower Town: Title	Play Flower Town for the first time
067. Flower Town: Florafield	Play Flower Town for the first time
068. Flower Town: Garden Shed	Play Flower Town for the first time
077. Flower Town: Starting Garden	Visit the Starting Garden
078. Flower Town: Simple Garden	Visit the Simple Garden
079. Flower Town: Brown-Fenced Garden	Visit the Brown-Fenced Garden
080. Flower Town: Checkerboard Garden	Visit the Checkerboard Garden
081. Flower Town: Patio Garden	Visit the Patio Garden
082. Flower Town: Terrace Garden	Visit the Terrace Garden
083. Flower Town: Gazebo Garden	Visit the Gazebo Garden
084. Flower Town: Greenhouse Garden	Visit the Greenhouse Garden
085. Flower Town: Shopping Mall	Visit the Shopping Mall
086. Flower Town: Flower Power	Visit Flower Power
087. Flower Town: Poppy's Seeds	Visit Poppy's Seeds
088. Flower Town: Potter's Paradise	Visit Potter's Paradise
089. Flower Town: Garden Grace	Visit Garden Grace
090. Flower Town: Pick-a-Plot	Visit Pick-a-Plot
091. Flower Town: Progress Report	Finish greeting your current batch of visitors
093. Flower Town: A Rare Plant Blooms	Make a rare breed of flower bloom
094. Flower Town: A New Breed	Make a new breed of flower bloom
095. Flower Town: New Color	Make an already registered breed bloom in a new color for the first time
096. Flower Town: A Plant Blooms	Make an already registered flower bloom in an already registered colour
097. Flower Town: Master Gardener's Crown	Become a Master Gardener
098. Flower Town: Master Gardener	Become a Master Gardener
099. Flower Town: Ending	Become a Master Gardener
100. Warrior's Way: Title	Play Warrior's Way for the first time
101. Warrior's Way: A Warlord is Born	Play Warrior's Way for the first time
102. Warrior's Way: One Problem...	Play Warrior's Way for the first time
103. Warrior's Way: Time to Take Over	Play Warrior's Way for the first time
104. Warrior's Way: Awaiting Your Command	Play Warrior's Way for the first time
105. Warrior's Way: Your Turn to Shine	Fight an enemy country for the first time
109. Warrior's Way: Invasion Theme 4	Enter "Conquer the World" mode after conquering 19 countries
110. Warrior's Way: Intimidation Time	Fight an enemy country for the first time
111. Warrior's Way: Fight	Fight the Emperor at least once
112. Warrior's Way: The Emperor's Theme	Fight the Emperor at least once
113. Warrior's Way: The Emperor's Finale	Fight the Emperor at least once
114. Warrior's Way: A Gift from Wentworth	Play Warrior's Way for the first time
115. Warrior's Way: Battle Begins	Fight a battle for the first time
116. Warrior's Way: Fortified	Expand your castle for the first time
117. Warrior's Way: Congratulations!	Acquire at least 1000 soldiers
118. Warrior's Way: Ready for Anything	Receive soldiers from a foreign king for the first time
119. Warrior's Way: Victory	Win a round for the first time
120. Warrior's Way: Defeat	Lose a round for the first time
121. Warrior's Way: We Stand Victorious	Win a battle for the first time
122. Warrior's Way: We Lie Defeated	Lose a battle for the first time
123. Warrior's Way: Tactics	Win a battle in "Conquer the World" for the first time
124. Warrior's Way: Surrender	Lose a battle in "Conquer the World" for the first time
125. Warrior's Way: Here Come the Ninja	Battle country 7 for the first time
126. Warrior's Way: Beware of Berserkers	Battle country 9 for the first time
127. Warrior's Way: Sudden Setback	Experience Sudden Setback for the first time
128. Warrior's Way: The Emperor's Arrival	Fight the Emperor at least once
129. Warrior's Way: The Emperor Has Fallen	Defeat the Emperor
130. Warrior's Way: World Domination	Defeat the Emperor
131. Warrior's Way: A Beloved Monarch	Defeat the Emperor
132. Warrior's Way: Ending	Defeat the Emperor
133. Monster Manor: Main Theme 1	Start the game
134. Monster Manor: Main Theme 2	Play the game at least once
135. Monster Manor: Main Theme 3	Defeat the Floor 50 boss
136. Monster Manor: Road to the Manor	Play the game at least once
137. Monster Manor: A Horrifying Hand	Play the game at least once
138. Monster Manor: Dangers Abound	Play the game at least once
139. Monster Manor: Help for Hire	Defeat the Floor 5 boss
140. Monster Manor: Words of Wisdom	Play the game at least once
141. Monster Manor: Lost Souls	Play the game at least once
142. Monster Manor: The Classic Floors	Play the game at least once
143. Monster Manor: The Wooden Floors	Defeat the Floor 5 boss
144. Monster Manor: The Stone Floors	Defeat the Floor 10 boss
145. Monster Manor: The Stately Floors	Defeat the Floor 15 boss
146. Monster Manor: The Ominous Floors	Defeat the Floor 25 boss
147. Monster Manor: What's This...?	Start the game
148. Monster Manor: Treasure!	Start the game
149. Monster Manor: Newfound Strength	Start the game
150. Monster Manor: Trusty Companion	Defeat the Floor 5 boss
151. Monster Manor: Max Level Up!	Defeat the Floor 10 boss
152. Monster Manor: Setting a Piece 1	Start a Puzzle Box puzzle
153. Monster Manor: Setting a Piece 2	Start a Puzzle Box puzzle
154. Monster Manor: Puzzle Box	Start a Puzzle Box puzzle
155. Monster Manor: Puzzle Box Solved	Solve a Puzzle Box puzzle
156. Monster Manor: Floor Cleared	Complete Floor 1
157. Monster Manor: Floor Complete	Complete Floor 30
158. Monster Manor: Progress Report	View the report after playing the game once
159. Monster Manor: Spectral Sparring	Fight a normal battle for the first time
160. Monster Manor: Boss Battle	Fight the Floor 5 boss
161. Monster Manor: The Final Battle	Fight the Daemon King on Floor 30
162. Monster Manor: Victory	Win a battle for the first time
163. Monster Manor: Defeat	Lose a battle for the first time
164. Monster Manor: Ending: A Close Call	Defeat the Floor 30 boss
165. Monster Manor: Ending: A New Dawn	Defeat the Floor 50 boss
166. Monster Manor: Credits	Defeat the Floor 50 boss