Here is the full list of all 48 Deathsmiles achievements.
Chose to stay in Gilverado with Rosa.
Chose to stay in Gilverado with Casper.
Chose to stay in Gilverado with Follett.
Returned Follett to the real world.
Cleared the Gorge and Hades Castle having selected Lv3 for all stages.
Defeated Devaria and Givaria, the Twin Wyrms!
Returned Sakura to the real world.
Defeated Ozier.
Cleared all 6 chapters at level 999 (continue may be used).
Chose Level 999 once.
Chose to stay in Gilverado with Sakura.
Clear Deathsmiles Version 1.1! (Continue OK)
Moved your demon friend!
Returned Rosa to the real world.
Chose to stay in Gilverado with Windia.
Selected Level 3 five times while playing.
Returned Casper to the real world.
Cleared the game with Casper.
Cleared the game with all characters.
Cleared the game without using any bombs.
Cleared the game with Follett.
Cleared the game with Rosa.
Cleared any stage with 0.5 lives and 0 bombs.
Returned Windia to the real world.
Defeated Tyrannosatan, the Demonic Imperator!
Cleared the game with Windia.
Defeated Jitterbug, He Who Opens the Door!
Defeated Jordan, the Buried Baron!
Defeated Ulan, Conjurer of the Forest!
Defeated Bavaria, the God of Flames!
Continued once while playing.
Defeated Sakura, Witch of the Swamp Wastes!
Defeated Mary, the Giant Cow!
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.
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.