Tux Racer is a single-player first-person 3D open-source cross-platform computer game created by Sunspire Studios in 1999. You play Tux the Penguin, and race him down various icy slopes of a big mountain trying to establish a fast course time. Powerups take the form of tasty herring.
Thirteen courses come bundled with the game, and more courses can be found here. It is also straightforward to create custom courses using a graphics editor.
This game contains examples of the following tropes: