H.E.R.O.

32k game, originally by John van Ryzin for the Atari 2600, Activision.
This is an amazing VIC-20 port by Jonas Hultén (source website)

Controls
Play the game with a joystick.
Pressing the STOP key pauses the game.
Pressing STOP again resumes.
During pause mode you can press Q to abort the current game and get back to demo mode.
In the demo mode you can select a starting level using the F1 and F3 keys.
Up - Fly (takes a short while before take-off)
Down - Place dynamite Left/Right -
Run/Fly Fire - Microlaser beam

Summary of Rules
Extra life for every 20000 points
If the power gauge is depleted you lose a life and the level starts over
Watch out for magma (flashing walls)
If you run out of dynamites, walls can be destroyed with the microlaser beam, it just takes many shots