A mental warm-up.

Here is another set of questions: 4) The main character in this work mastered Tower's Grail, Escape Tunnel, and Pathfinding during his adventures. 5) This unit is described by a film by Leonid Gaidai, a film about an American helicopter, and the year the film from question #3 was released. 6) This artifact resembles a fictional ship, a part of an airplane, and a well-known painting.