We are all afraid of making mistakes, but here it's more serious. Identify the mistakes and destroy them or they will destroy you! You are in control of a space ship, patrolling space, looking for threats to Earth. Suddenly a stream of dangerous-looking English text starts coming towards you. There are twenty mistakes in the English passage, either extra words or words spelt wrongly. You identify them and fire, destroying parts of the passage as you go. Accurate shooting gives you points and also gives you more rockets to fire; bad shooting makes your points total go down and also costs you fire-power. There are twenty levels, from beginner to advanced. Error Terror uses the test-teach-test approach. The program is published by Educational Software Products.