100% Headlander
Boost for 5.2155e-13 parsecs (10 miles)
Play a game of H.O.R.S.E.
Use Auto Sentries to take out 10 enemies
Trigger all of the possible dance subroutines
Dock with every body type
Find all alpha, beta, and gamma terminals
Pop your head into every room to have a look-see
Drain all of the Energy S.A.C.s
Find all the mid-range zap locations
Find all the bodies for Athena-7
Take Methuselah offline
Defeat Methuselah Titan
Unlock all Upgrades
Used Overcharge Boost to take out 25 enemies
Find the entrance to Methuselah's Core
Find a power gem charging Shepherd and return to Rhea-6
Find your body and witness Earl's sacrifice
Use the long range zap to Luna Citadel
Defeat the Kill Queen
Upload the Archive Data to Earl
Take out the Spectrum Shepherds
Shut down the power stations in the Power Dome to gain access to the Archives
Destroy 25 enemies using melee attacks
Align the Satellite Chalet dishes to gain access to the Archives
Kill MAPPY without taking his map data
Execute 50 headshots
Find Frank the Dog and return him to Eudora-5
Thrust through the Pleasure Port to find the Satellite Chalet
Escape the Starcophagus
Use explosions to kill 5 enemies