Space Cavern (Atari 2600 - a2600)
You are in command of an intergalactic spaceship that landed on a mysterious planet is riddled with smoky caves inhabited by wild Electrosauri whose horns generate deadly charges electromolecular. Stem Electrosauri you horn crackle and hiss. If even a single blast of energy hit you, your skeleton will glow as you disintegrate. Warning: beware of shaggy marsupods!