From the sound of it, they are using a digital delay pedal for the echo and a flanger or
phaser pedal to get the eerie sound
Standard Tuning
EADGBE
2x
e|--------------|
b|--------6-----|
g|--7-----------|
d|-----0-----0--|
a|--------------|
e|--------------|
[ Tab from: http://www.guitaretab.com/m/misc-computer-games/300824.html ]
2x
e|--------------|
b|--------5-----|
g|--6-----------|
d|-----0-----0--|
a|--------------|
e|--------------|
2x
e|--------------|
b|--------3-----|
g|--3-----------|
d|-----0-----0--|
a|--------------|
e|--------------|
2x
e|--------------|
b|--------3-----|
g|--2-----------|
d|-----0-----0--|
a|--------------|
e|--------------|
