Here is the full list of all 48 Deathsmiles achievements.
Cleared the Gorge and Hades Castle having selected Lv3 for all stages.
Picked up 4 life-recovery items in one playthrough.
Selected Level 3 five times while playing.
Cleared any stage with 0.5 lives and 0 bombs.
Chose to stay in Gilverado with Follett.
Cleared the game with Follett.
Defeated Tyrannosatan, the Demonic Imperator!
Defeated Jitterbug, He Who Opens the Door!
Defeated Devaria and Givaria, the Twin Wyrms!
Defeated Jordan, the Buried Baron!
Defeated Mary, the Giant Cow!
Defeated Bavaria, the God of Flames!
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 without using any bombs.
Cleared the game with Windia.
Cleared the game using Windia without continuing.
Cleared the game with Casper.
Cleared the game using Casper without continuing.
Cleared the game using Follett without continuing.
Cleared the game with Rosa.
Cleared the game using Rosa without continuing.
Cleared the game with all characters.
Returned Windia to the real world.
Chose to stay in Gilverado with Windia.
Returned Casper to the real world.
Chose to stay in Gilverado with Casper.
Returned Follett to the real world.
Returned Rosa to the real world.
Chose to stay in Gilverado with Rosa.
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.