Tribes: Vengeance

The Good
The environments in the game were very well designed, with lots of opportunities to randomly ski. Additionally, the graphics were slightly above par for a game of the same period, with good art design. Whenever anything new was introduced in the single-player campaign, the lessons for using the item were unintrusive and actually useful. The controls were responsive, too (with the exception of the jetpack).

The Bad
The dialogue! I've seen B-movies with better acting, and while the voice actors were well chosen for their roles, their dialogue is the sort of thing you'd expect to hear from movies shown on Mystery Science Theatre 3000. Obviously the scriptwriter was having more fun than is legal when writing all that up.

The Bottom Line
Pretty fun game, and a solid entry in the Tribes series -- as long as you avoid the single player campaign (or at least skip the dialogue).