Achievements:
Complete the following achievements to award the indicated amount of
Xbox Live Gamerscore points.
T-Spin (10 gamerscore points):
Rotate the T-Tetrimino into a T-Slot to perform a one or two line clear.
Tetris! (10 gamerscore points):
Clear 4 lines at once.
Speedster (25 gamerscore points):
Finish a Single Player game of Marathon no more than 20 minutes.
Reach Level 5 (10 gamerscore points):
Reach or exceed level 5 in a Single Player game of Marathon.
Rainbow (10 gamerscore points):
Use at least one Mino from each of the 7 Tetriminos to clear
a single line.
Online Rookie (20 gamerscore points):
Win a "Free for All" match in Online Multi-player.
Online Expert (20 gamerscore points):
Play total of 10 hours in Online Multi-player.
Online Back-to-Back (20 gamerscore points):
Score a Back-to-Back Tetris in Online Multi-player.
Old School (25 gamerscore points):
Finish a Single Player game of Marathon without using the Hold Queue.
Combo (20 gamerscore points):
Clear at least 1 line (or more) with successive pieces to increase your
Combo count above 8.
Clear 5 Lines (10 gamerscore points):
Clear at least 5 lines during one Single Player or Online Multi-player game.
All-in-One (20 gamerscore points):
Perform a Single, Double, Triple, Tetris, T-Spin Single,
T-Spin Double, and 8 Combo in one game!
