I saw one other one that was good, but I changed the last part. And this is my first 
so let's see how I do.

-----------------------------------------------------------------------------
                             TETRIS THEME - MISC COMPUTER GAMES
-----------------------------------------------------------------------------
Tabbed by: Crosstheunivrse
Email: crossedtheuniverse@gmail.com
Tuning: Standard

Part 1
e|0------------------0---------------0--------|
B|-0-1-3--1-0-----1-----3-1-0--0-1-3---1------|
G|------------2-2------------------------2-2--|
D|--------------------------------------------|
A|--------------------------------------------|
E|--------------------------------------------|

Part 2
e|---1--5-3-1-0-----0----------------0--------|
B|3---------------1---3--1--0-0-1-3----1------|
G|---------------------------------------2-2--|
D|--------------------------------------------|
A|--------------------------------------------|
E|--------------------------------------------|

Part 3
(Down here they're tens, not ones and zeros)
e|--------------------------------------------|
B|5-1-3-0-1-----5-1-3-0-1-5-10-10-9-----------|
G|----------2-1-------------------------------|
D|--------------------------------------------|
A|--------------------------------------------|
E|--------------------------------------------|

The song goes: part one -> part 2 -> part 1 -> part 2 ->part 3 then repeat forever.