Tetris Splash cheats and cheat codes for Xbox 360

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!