Head Master
100% Headlander
Secret - Click or Tap to Reveal
The Dawn of Man's Head
Escape the Starcophagus
Secret - Click or Tap to Reveal
Probe the Pleasure Port
Thrust through the Pleasure Port to find the Satellite Chalet
Secret - Click or Tap to Reveal
Messages From Space
Align the Satellite Chalet dishes to gain access to the Archives
Secret - Click or Tap to Reveal
Brown Out
Shut down the power stations in the Power Dome to gain access to the Archives
Secret - Click or Tap to Reveal
God Created the Dater
Upload the Archive Data to Earl
Secret - Click or Tap to Reveal
Dynamite with a Laser Beam
Defeat the Kill Queen
Secret - Click or Tap to Reveal
Le Voyage dans la Lune Citadel
Use the long range zap to Luna Citadel
Secret - Click or Tap to Reveal
Star Crash
Find your body and witness Earl's sacrifice
Secret - Click or Tap to Reveal
Winters is Coming
Find the entrance to Methuselah's Core
Secret - Click or Tap to Reveal
Colossus: The Methuselah Project
Defeat Methuselah Titan
Secret - Click or Tap to Reveal
Say No to Methuselah
Take Methuselah offline
Secret - Click or Tap to Reveal
The Omega Dog
Find Frank the Dog and return him to Eudora-5
Secret - Click or Tap to Reveal
Double Trouble
Take out the Spectrum Shepherds
Secret - Click or Tap to Reveal
Invasion of the Bodies Snatcher
Find all the bodies for Athena-7
Secret - Click or Tap to Reveal
Close Encounters of the Turd Kind
Find a power gem charging Shepherd and return to Rhea-6
Secret - Click or Tap to Reveal
Good to the Last Drop
Drain all of the Energy S.A.C.s
Secret - Click or Tap to Reveal
The Circuit
Find all the mid-range zap locations
Secret - Click or Tap to Reveal
Headhunter
Find all alpha, beta, and gamma terminals
Secret - Click or Tap to Reveal
Clamiyuki Dance Party
Trigger all of the possible dance subroutines
Secret - Click or Tap to Reveal
Maxed Headroom
Unlock all Upgrades
Secret - Click or Tap to Reveal
Futureworld
Pop your head into every room to have a look-see
Secret - Click or Tap to Reveal
The Gun is Good!
Execute 50 headshots
Secret - Click or Tap to Reveal
Ground Control
Destroy 25 enemies using melee attacks
Secret - Click or Tap to Reveal
Warhead
Use explosions to kill 5 enemies
Secret - Click or Tap to Reveal
The Longest Voyage
Boost for 5.2155e-13 parsecs (10 miles)
Secret - Click or Tap to Reveal
By Your Command
Use Auto Sentries to take out 10 enemies
Secret - Click or Tap to Reveal
Rollerballs
Used Overcharge Boost to take out 25 enemies
Secret - Click or Tap to Reveal
You, Robot
Dock with every body type
Secret - Click or Tap to Reveal
Male Driver
Kill MAPPY without taking his map data
Secret - Click or Tap to Reveal
Horse Play
Play a game of H.O.R.S.E.

Originally Contributed By: Grendel_Prime

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