Here is the full list of all 48 Deathsmiles achievements.
Cleared the game using Rosa without continuing.
Powered up at 500.
Picked up 4 life-recovery items in one playthrough.
Chose to stay in Gilverado with Follett.
Chose to stay in Gilverado with Rosa.
Chose to stay in Gilverado with Sakura.
Cleared all 6 chapters at level 999 (continue may be used).
Waited for Sakura to explode while playing as Windia.
Chose to stay in Gilverado with Casper.
Cleared the game without using any bombs.
Clear Deathsmiles Version 1.1! (Continue OK)
Returned Rosa to the real world.
Cleared the game with Rosa.
Cleared the game with all characters.
Returned Casper to the real world.
Cleared the game with Casper.
Returned Follett to the real world.
Cleared the Gorge and Hades Castle having selected Lv3 for all stages.
Cleared the game with Follett.
Selected Level 3 five times while playing.
Returned Windia to the real world.
Cleared any stage with 0.5 lives and 0 bombs.
Chose Level 999 once.
Moved your demon friend!
Returned Sakura to the real world.
Defeated Ozier.
Chose to stay in Gilverado with Windia.
Defeated Tyrannosatan, the Demonic Imperator!
Cleared the game with Windia.
Defeated Jitterbug, He Who Opens the Door!
Defeated Devaria and Givaria, the Twin Wyrms!
Continued once while playing.
Defeated Bavaria, the God of Flames!
Defeated Mary, the Giant Cow!
Defeated Sakura, Witch of the Swamp Wastes!
Defeated Ulan, Conjurer of the Forest!
Defeated Jordan, the Buried Baron!
Defeateded Deathscythe, the Wandering Reaper!
Played any mode once.
Cleared the game using Windia without continuing.
Cleared the game using Casper without continuing.
Cleared the game using Follett without continuing.
Score has reached 100,000,000 points.
Score has reached 200,000,000 points.
Score has reached 300,000,000 points.
Cleared Deathsmiles Version 1.1 with all maps at Lv3! (No Continues, Ex Map included）
Defeated Bloody Jitterbug.
Score has reached 10,000,000,000 points in Mega Black Label 1.1 mode.