Complex sentence: These included "Worm", the first version of "Snake" to be written for a personal computer, and a clone of "Hustle", both of which were based on the "Blockade" arcade game.
Split into simpler sentences: These included "Worm", the first version of "Snake" to be written for a personal computer, and a clone of "Hustle". Both were based on the "Blockade" arcade game.