Chopper 1 is a rather difficult Commodore 64 game that was featured in a 1986 issue of Compute's Gazette. You control a helicopter that's equipped with a laser cannon, and your goal is to shoot down as many of the bombs an indestructible alien UFO is sending down to destroy your city. The city is protected by a force shield, but it can only last so long until the bombs pierce through and hit the city.
In this run, nymx chooses to play a single level at the Level 9, the highest difficulty, and beats it in record time without a scratch on the force shield.