e|-----------------|
B|-----------------|
G|-2p0-2p0-2p0-2p0-| as many times as you need
D|-----------------|
A|0-------0-------0|
E|-----------------|
then
e|-----------------|
B|-----------------|
G|2~---------------|
D|0----------------|
A|-----------------|
E|-----------------|
then
e|-----------------|
B|-----------------|
G|-----------------| as many times as you need
D|-2p0-2p0-2p0-2p0-|
A|0-------0-------0|
E|-----------------|
[ Tab from: http://www.guitaretab.com/m/misc-computer-games/355933.html ]
and the litle part where you use the Tremolo effect
e|------------------------------------------------|
B|------------------------------------------------|
G|--------------------------2~----2-0-------------|
D|-------------2-0~~~~~~~320~~0230--0--023~~~~~~--|
A|0---3----0230---0~~~~~~~~~~~--------------------|
E|------------------------------------------------|
Listen to the trailer to aproximate the number of times that you need to repeat
the first and third part