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