Impossible Mission
Wikipedia
Impossible Mission is a video game originally written for the Commodore 64 by Dennis Caswell and published by Epyx in 1984. The game features a variety of gameplay mechanics from platform and adventure games and includes digitized speech. Impossible Mission, which casts the player in the role of a secret agent infiltrating an enemy stronghold, is widely considered one of the best games for several platforms.
Credits
Code - Sentient Software (Amstrad CPC)