Guitar Hero Encore: Rocks the 80s (PS2)

Activate or Deactivate Enhanced Speed - Y, B, O, O, B, Y, Y, O

The Crowd’s Heads Are Eyeballs - Y, B, O, O, O, B, Y

The Crowd’s Heads Are Monkeys - B, B, O, Y, B, B, O, Y

Unlock Everything - B, O, Y, R, O, Y, B, Y, R, Y, B, Y, R, Y, B, Y

Unlock Performance Mode - B, B, O, Y, Y, B, O, B

You Have A Flaming Head - Y, O, Y, O, Y, O, B, O

You Have A Horse’s Head - B, O, O, B, Y, B, O, O, B, Y

You Play Air Guitar - Y, B, Y, O, B, B

Unlockable: Guitars & Basses

To unlock the following guitars and basses, fulfill the requirement listed. (Some basses and guitars must be purchased after the required fulfillment is met, while others are unlocked automatically).
Axe (G) - Win Expert Career mode

Casket (G) - Win Medium Career mode

Cream SG (B) - Get five stars on any twenty songs in co-op mode

Eyeball (G) - Get five stars on every song in Hard Career mode

Fish (G) - Win Easy Career mode

Gibson Grabber (B) - Finish any twenty songs in co-op mode

Gibson SG (B) - Finish any ten songs in co-op mode

Gibson Thunderbird (B) - Finish any thirty songs in co-op mode

Hofner (B) - Finish every song in co-op mode

Lava Pearl Musicman Stingray (B) - Get five stars on every song in co-op mode

Natural Maple Gibson Grabber (B) - Get four stars on every song in co-op mode

Natural Sunburst Gibson Thunderbird (B) - Get five stars on every song in co-op mode

Snaketapus (G) - Win Hard Career mode

The LOG (G) - Get five stars on every song in Expert Career mode

USA (G) - Get five stars on every song in Easy Career mode

Viking (G) - Get five stars on every song in Medium Career mode