Title screen
These sound effects are produced while the title screen is on display (see 24710).
Tunnel
This sound effect is produced when Horace enters a tunnel (see 25450).
Action
This sound effect is produced when a maze is initialised, and also when Horace eats something, throws the guards out of the park, or sounds the alarm (see 26113).
Guard
This sound effect is produced when Horace catches a panicking guard (see 26312).
Lose a life
This sound effect (or something like it) is produced by the routine at 26426 when Horace loses a life.
Bell
These sound effects are produced when the bell is ringing (see 27088).