DROD 4: Gunthro and the Epic Blunder achievements

(TCB) UL:1S1W - Clear the room without remaining on the outer rim of the bridge for more than one turn at a time

(KDD) L24:1N1E - Clear the room without using a roach to kill the serpent

(JtRH) L12:1E - Clear all tar

(TCB) TU:3E - Drop all trapdoors and exit to the east

(KDD) L23:1S2W - Drop all trapdoors before killing anything and clearing the room

(KDD) L23:2W - Don't break the southernmost crumbly wall, and don't drop any of the trapdoors around the orb while clearing the room

(TCB) TU:1S3E - Use all three arrow rotators to clear the room

(KDD) L21:1S1E - Kill the eastern queen before the northern queen, and kill the northern queen before dropping either of the SE trapdoors, then clear the room

(TCB) RH:2N1E - When you first step through a door, all four doors must be open, then clear the room

(JtRH) L15:4E - Don't use the decoy potion, and reach the western exit

(KDD) L16:1S1E - Kill the tar mother before it grows

(JtRH) L16:1N2E - Kill all four serpents before killing any golems and clearing the room