The next game level after that also takes place on Mars in an underground colony.

The game levels take place in the user's 'hard drive'.

It allows players to skip entire game levels and to add extra "lives" to a player's life.

The weapons available in game levels can be exchanged with carried ones.

"He can make players raise their game level to peaks they may never have thought about."

That contributes to setting the stage for serious competition, especially in the official game levels.

That model alone has therefore three times the polygon count than the rest of the original game level.

Arranged versions of popular songs are used for various game levels.

Note all the normal game levels also follow the same rules.

Players normally cannot progress from one game level to the next without achieving a series of goals.