Unlimited lives:
Load or reset the game, then execute the following BASIC command before running or restarting the program. 

POKE 43,207
POKE 44,24

               Ring of power quicksilva

Take lamp/On lamp/N/Take key/S/W/W/Take rum/N/N/N/Take key/S/S
Open door/E/Take trolley/W/N/E/E/N/W/Take cheese/E/S/Open door/E/E
Take can/W/S/E/Take chest/E/N/N/Take card/S/S/Open door/S/S/Take honey
S/W/W/W/Take cork/W/W/N/Take bottle/E/S/E/E/E/E/Fill bottle/N/N/N/W/W
S/W/N/U/Pay/E/Take boat/Drop cork/E/N/N/Take bottle/N/Drop boat/E/E/E
S/S/S/Get ball/N/N/N/W/W/Empty bottle/Drop chest/Open chest/Take sword
Take armour/U/N/Open door/N/S/Open door/E/E/Take rope/N/W/Drop sword
Take guide/E/S/W/W/W/Drop armour/Take coins/N/W/W/Bribe customs/W/W/S
Drop bottle/Drop bottle/Take plank/Take coins/E/U/Pay/W/Drop rum
Take key/N/W/N/N/E/E/Drop card/Take crown/W/W/S/E/N/Drop honey/E
Open door/E/Take key/W/S/W/S/S/W/S/W/W/N/Drop guide/N/E/E/Take pulley
W/W/S/S/E/E/N/E/N/N/E/S/S/Drop plank/S/Take clam/Open clam/Drop clam
Take pearl/E/N/Open door/N/Open chest/Drop key/Drop key/S/Drop key
Drop key/N/Get key/Get key/Get jewel/S/W/N/N/N/W/S/S/S/Open safe
Dial 790/Take orb/N/N/N/Drop cheese/Take mouse/S/E/Drop mouse
Take bird/U/Pay/E/Drop ball/S/S/Drop rope/Drop pulley/Take jigsaw/N/E
E/N/N/Open cage/Oil cage/Open cage/Drop bird/N/W/S/W/W/W/N/N/W/S/S/S/E
Say ....(the words you read on the poster)/S/S/W/N/Take ring