Scapeghost (1989)

A departure from Level 9's usual fare.. Police officer Alan Chance was killed in the line of duty, but has now returned as a ghost - and must solve the crime which cost him his life. In the first part, you must befriend ghosts and build up your spetral strength, in the second part, you need to start the process of dealing with the crooks that kiiled you and in the final part, you must escape your exorsism in order for a final confrontation with the crooks, solve the case, rescue your kidnapped partner and clear your name.