Here is the full list of all 48 Deathsmiles achievements.
Chose to stay in Gilverado with Windia.
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).
Returned Follett to the real world.
Cleared the game with Follett.
Cleared the game with all characters.
Cleared the game without using any bombs.
Cleared the game with Rosa.
Returned Casper to the real world.
Clear Deathsmiles Version 1.1! (Continue OK)
Moved your demon friend!
Cleared the game with Casper.
Returned Windia 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 Windia.
Defeated Jitterbug, He Who Opens the Door!
Defeated Devaria and Givaria, the Twin Wyrms!
Defeated Jordan, the Buried Baron!
Defeated Mary, the Giant Cow!
Selected Level 3 five times while playing.
Defeated Sakura, Witch of the Swamp Wastes!
Continued once while playing.
Chose Level 999 once.
Defeateded Deathscythe, the Wandering Reaper!
Defeated Bavaria, the God of Flames!
Defeated Ulan, Conjurer of the Forest!
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.
Chose to stay in Gilverado with Casper.
Chose to stay in Gilverado with Follett.
Returned Rosa to the real world.
Chose to stay in Gilverado with Rosa.
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.
Chose to stay in Gilverado with Sakura.
Defeated Bloody Jitterbug.
Score has reached 10,000,000,000 points in Mega Black Label 1.1 mode.