▣ HL1_CODES_DATABASE.EXE
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PC · 1998 ORIGINAL

HALF-LIFE

How to unlock three passages using Black Mesa's systems.

00.TXT

QUICK LIST

3 ENTRIES
01.DAT

CODES AND ACCESS

01 // TERMINALSBlast Pit · Silo D
SOLUTION / REFERENCEOXYGEN + FUEL + POWER

PASSAGE UNDER THE TENTACLES

LOCATION
Blast Pit · Silo D
HOW TO USE
In the sectors connected to the silo, activate the oxygen, fuel and power controls. Return to the upper booth and activate Test Fire. Once the tentacles are destroyed, descend through the cleared hole.
02 // TERMINALSPower Up · generator and Track Control
SOLUTION / REFERENCEGENERATOR → COILS → TRACKS

FREE THE TRAM

LOCATION
Power Up · generator and Track Control
HOW TO USE
Break the crates jamming the machine on the flooded floor and start the generator upstairs. Lure the Gargantua to the coils and pull the lever at the tunnel's end. Put the tram on the central platform and use Track Control to align the tracks.
03 // TERMINALSOn a Rail · rocket control
SOLUTION / REFERENCEACTIVATE LAUNCH

LAUNCH SILO EXIT

LOCATION
On a Rail · rocket control
HOW TO USE
At the laser-protected stairs, use the crates to reach the top without crossing the beams. Enter the control room and activate Launch. After launch, return to the tracks and continue through the now-open door.
TIOZINHO_NOTE.TXT

These obstacles use environmental controls rather than typed passwords. The reference is the original Half-Life; Black Mesa, the reimagining, changes the route and mechanisms.

Original text prepared by cross-checking the sources listed in each entry. Sources are used to verify solutions; the explanations were written for this guide.