This is especially effective when using the SPAS-12's slower secondary attack (whereas for the primary attack and for the two other weapons the increase is minimal). It is possible to increase the rate of fire of the Colt Python, SPAS-12 and Crossbow by quick switching after each shot.Another example is that there's a noticeable delay before 'Jungle Drums' starts playing in Gonarch's Lair. For example, 'Nuclear Mission Jam' plays not only during Questionable Ethics, but also earlier, at the start of the chapter Apprehension. There are a few differences regarding the soundtrack.Most interaction sounds, such as buttons, doors, and breakable objects, are reused from Half-Life 2.There are also small level design changes to make the game look better, for instance in surface tension the sand was improved and made less flat while in the original game it was made flat.So take care not to run into the units while it's moving, as it can heavily injure or kill the player.

The surgical units in Questionable Ethics stop and start slowly after pressing the button, while in the original Half-Life they stop and spin instantly.In Residue Processing, pressing the switch to halt the crushers on the conveyor will stop them indefinitely until the switch is pressed again, instead of resuming on their own after a while.Some crates require more hits to break than the original game.Bullets can penetrate through breakable glass panes without breaking it.Peters' corpse appears near the surgical unit, while it was only gibs in the original Half-Life.

A good example is in the chapter Questionable Ethics, where the player could skip the surgical unit and laser event.

Pressing the 'USE' key through a wall is no longer possible.

Water has been overhauled to look clean, so it is easier to see through it.

The canyon in the chapter Surface Tension has major changes, such as a more realistic look.

Also the floating barrels are blue, like those in Half-Life 2.

At the start of the chapter Apprehension, the puzzle in which floating barrels must be released from a cage to make a bridge, now has a partially sunken metal walkway, raised by the barrels.

Environment subtitles are supported however, they are presented below the health HUD.

It is not compatible with any GoldSrc or Source mods. In addition, all chapters can be selected upon starting the game for the first time, unlike Half-Life. The game's front-end user interface has also been overhauled to resemble that of Half-Life 2, with a chapter selection and dynamic menu backgrounds featuring scenes from the game. Some additional optimizations have been made, however, such as increased quality textures, the replacement of drawn bitmap skies with 3D skyboxes, and the addition of new or improved atmospheric effects in some areas. Almost all of the same assets are used, and most of the differences are due to the fundamental features of the new engine (more detailed lighting and water effects, for example). View of the Surface Tension canyon from the cliff in Half-Life.Īs opposed to an actual remake of the game, it is simply a direct copy of the game's contents.

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