Malta passport holders can travel to 185 countries visa-free.
To enter such countries as Australia, the USA, New Zealand, etc., you will need to register in the Electronic System for Travel Authorization.
Some countries issue visas for Malta citizens on their arrival. That includes such countries as Saudi Arabia, Jordan, and the Maldives.
To enter the Schengen states, one needs to have only an ID card, while entering other visa-free countries is possible with a passport.