Here is the full list of all 48 Deathsmiles achievements.
Chose to stay in Gilverado with Follett.
Chose to stay in Gilverado with Windia.
Returned Follett to the real world.
Cleared the game with Follett.
Cleared the game with all characters.
Returned Windia to the real world.
Cleared the game with Windia.
Chose to stay in Gilverado with Rosa.
Returned Rosa to the real world.
Cleared the game with Rosa.
Chose to stay in Gilverado with Casper.
Chose to stay in Gilverado with Sakura.
Returned Sakura to the real world.
Cleared any stage with 0.5 lives and 0 bombs.
Defeated Ozier.
Cleared all 6 chapters at level 999 (continue may be used).
Chose Level 999 once.
Clear Deathsmiles Version 1.1! (Continue OK)
Moved your demon friend!
Returned Casper to the real world.
Defeated Tyrannosatan, the Demonic Imperator!
Cleared the Gorge and Hades Castle having selected Lv3 for all stages.
Cleared the game without using any bombs.
Cleared the game with Casper.
Defeated Jitterbug, He Who Opens the Door!
Defeated Devaria and Givaria, the Twin Wyrms!
Defeated Bavaria, the God of Flames!
Defeated Mary, the Giant Cow!
Selected Level 3 five times while playing.
Defeated Jordan, the Buried Baron!
Defeated Ulan, Conjurer of the Forest!
Defeated Sakura, Witch of the Swamp Wastes!
Defeateded Deathscythe, the Wandering Reaper!
Continued once while playing.
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.
Cleared the game using Rosa without continuing.
Picked up 4 life-recovery items in one playthrough.
Waited for Sakura to explode while playing as Windia.
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）
Powered up at 500.
Defeated Bloody Jitterbug.
Score has reached 10,000,000,000 points in Mega Black Label 1.1 mode.