Richard Halliwell - is a video game designer. Richard Halliwell began his career in 1998 and has worked for companies such as Branching Narrative, Asylum Studios, Square Enix and Eidos Interactive. Richard Halliwell's first game was Deathtrap Dungeon which was released 26 years ago. Best Game Richard Halliwell contributed to was Deathtrap Dungeon. Richard Halliwell's latest work is Deathtrap Dungeon which was released 26 years ago.