- Added Mission Statistics that can be viewed while playing a mission and upon completing a mission.
- Added a new difficulty called Elite, which removes starting ammo unless required, reduces initial health, disables saves, and includes other level-specific changes.
- Added a Permadeath Mode, where failing a mission deletes your profile.
- @Hamzaxx360: Doors can now be opened while crouched or carrying a body, using animations backported from Pandora Tomorrow.
- Added Open Door Stealth as a separate door interaction, similar to Chaos Theory.
- Added the option to use a new door interaction system with built-in Lock Pick, Disposable Pick, and Optic Cable in the interaction box.
- Improved the Optic Cable's enter and exit sounds, restoring the missing exit sound on PC version.
- The selected rate of fire is now saved before entering sniper mode and correctly restored after exiting.
- Sam now adjusts his stance to match the NPC's during conversations, similar to Pandora Tomorrow.
- Added the ability to quickly drop a carried body by pressing the Jump key, similar to Chaos Theory.
- Keyboard variable speeds now affect player movement when using Sniper Mode or the Laser Mic.
- Added a crouch speed multiplier while sniping, making movement slower when crouched.
- Increased the lifespan for bullet shell casings from 3 seconds to 30 seconds.
- Added an option to whistle similar to later Splinter Cell games.
- Added an option to use zoom levels (2x/4x) for the SC-20K, similar to Pandora Tomorrow.
- Added the option to use zoom levels for the Laser Mic, similar to Pandora Tomorrow.
- Added an option to restore the burst fire mode for the SC-20K, featured in builds prior to E3 2002.
- Added an option to use the PS2 accuracy values for the pistol.
- Added an option to randomize lockpick combinations.
- Added an option to use any vision mode in Optic Cables similar to later Splinter Cell games.
- Added an option to enable Thermal Vision across all levels, regardless of their original settings.
- Added an option to make explosive and gas damage correctly scale with difficulty level.
- Added an option to control the explosion delay for Wall Mines:
- 1.75 seconds (Default)
- 0.50 seconds (Elite)
- 0.00 seconds (Instant)
- Added an option for the interaction box and inventory to not pause the game, similar to Chaos Theory.
- Added an option to restore the checkpoints from the Xbox version.
- Added an option to use Xbox difficulty, where Sam starts with 300 HP on Normal and 198 HP on Hard, compared to the PC default of 200 HP on Normal and 132 HP on Hard.
- Added an option to hide letterboxing in cinematics.
- Added an option to unlock all levels, including their individual parts.
- Added the option to show the keypad code as the current goal when using a keypad.
- Added an optional HUD element to display the alarm count, similar to later Splinter Cell games.
- Added an option to show/hide individual HUD elements:
- Life Bar
- Interaction Box
- Communications Box
- Timer
- Inventory
- Shadow Meter
- Current Goal
- Mission Information
- Crosshair
- Scope Frames
- Alarms
- Added an option to override Sam's suit across all levels.
- Xbox renderer textures have been restored to bring lighting closer to the Xbox version.
- Restored the Xbox light effect for alarm lights when they are triggered.
- Fixed a bug where the mouse wheel changed variable speeds while a weapon was drawn or when using a Sticky Camera or Diversion Camera.
- Fixed a bug where losing an equipped item while Back to Wall peeking now correctly holsters the item automatically.
- Sniper sway is no longer disabled when player input is blocked.
- Added an option to set the initial movement speed.
- Added an option for normalized movement, preventing diagonal input from increasing movement speed.
- Added an option to use the crouch key to drop similar to later Splinter Cell games.
- Added an option to toggle Back to Wall peek when weapon is equipped.
- Added an option to toggle the inventory, so holding the key is no longer required, similar to Pandora Tomorrow.
- Added an option to assign a keybind to toggle the HUD on or off.
- @Shryder: Added support for Mouse 4 and Mouse 5 (side buttons).
- Added support for using the NumPad on keypads.
- Sniper mode now uses a dedicated keybind, similar to later Splinter Cell games, instead of being triggered by the Accelerate key.
- Added support for keyboard variable speeds in targeting modes.
- Added dedicated keybinds to cycle through the inventory (Previous Weapon and Next Weapon), similar to Pandora Tomorrow.
- Pressing the Crouch key now exits the Optic Cable, Lockpick, Keypad, and Elevator interactions.
- Improved controller support to more closely match the Xbox version.
- Added an option to change the default controller layout with alternate control schemes.
- Added Alt+F4 support to exit the game during menus or in-game.
- Added an "Enhanced" tab in the Settings menu for configuring Enhanced settings.
- @Afevis: Added an option to increase the level of detail (LOD) distance significantly, improving the quality of meshes at greater distances.
- Added an option to increase the Shadow Distance by up to 8x.
- @Afevis: Added an option to automatically check for updates.
- @Afevis: Added an option to skip intros.
- @Afevis: Added an option to disable inactivity videos.
- @Afevis: Restored EAX support, which was disabled in the official v1.3 patch used by the GOG and Ubisoft Connect versions of the game.
- @TGP482: Restored numerous textures that were previously downscaled to their full resolution.
- All mission parts now require a keypress to continue after loading, not just the initial part.
- Save games now use a new file extension for Enhanced to prevent incompatible saves from the original game from being displayed.
- Added numerical values to Sound Options sliders to display their exact setting.
- Added a Discord button in the Main Menu that links directly to the Enhanced SC Discord server.
- The game now automatically detects if it is running on Steam Deck and disables menu links, displaying a QR code instead to prevent crashes.
- Fixed a bug in the PC version where inactivity videos couldn't be skipped.
- Restored the Wall Mine gadget video on the OPSAT, which was accidentally left out of the PC release.
- The "Mission Complete" screen now requires a keypress to continue, giving players the chance to view their Mission Statistics without a timer.
- Added a debug command
FixCamthat locks the camera in place, similar to thefixecamcommand in Chaos Theory. - Localization fixes, including typo corrections and consistency improvements.
- Includes experimental versions of Nuclear Power Plant and Severonickel that can be played. Both cancelled levels currently lack level-specific audio due to incompatible Xbox sound files.
- @cazzhmir: Includes newly recreated loading screens to improve the accuracy of the story.
- @cazzhmir: Includes updated cutscene that improve the storytelling for Kalinatek, along with two new cutscenes for Nuclear Power Plant and Severonickel.
- dgVoodoo2 is included to restore Shadow Buffer rendering and set a 60 FPS cap. The 60 FPS cap is necessary to prevent issues with AI pathing and SoftBody physics that can occur at higher frame rates.
- ThirteenAG Widescreen Fix is included for widescreen support.
- Xidi is included to improve compatibility for XInput-based controllers.
- Thanks to iLL_Pazzo (French), NoSleepCoffee, Andry66power (Italian), Distro (German), and MatthewDoomer (Spanish) for translating Enhanced localization.
- Training
- Based on the Xbox version for both parts, featuring lighting improvements.
- Training popups will now dynamically display either the Keyboard or Controller instructions, depending on the last input used.
- Police Station
- Based on the Xbox version for all parts, featuring lighting improvements.
- Restored the extraction van from Xbox version.
- Fixed a bug in Police Station's texture package by making a plant texture two-sided, allowing it to render correctly from both sides.
- Fixed a light that had an unintended glow when destroyed.
- Defense Ministry
- Applied alternate character meshes to increase NPC variety.
- Oil Refinery
- Based on the Xbox version for the first part, featuring mesh improvements.
- Based on the Xbox version for the second part, featuring lighting improvements.
- Applied alternate character meshes to increase NPC variety.
- Changed the default mesh for Sam to Partial Sleeves.
- The loading screen for the second part has been updated to a more fitting version from the September 2002 build.
- CIA HQ
- Changed the default mesh for Sam to Balaclava.
- On Elite mode, tripping an alarm before accessing the CIA central server will result in mission failure.
- On Elite mode, the fan timer has been reduced from 100 seconds to 60 seconds.
- Fixed the bug where killing Mitchell Dougherty during Lambert's speech wouldn't fail the mission.
- Kalinatek
- Included the Xbox version, featuring lighting improvements.
- Lambert's briefings no longer trigger at the start of the level, allowing the player to speak with Wilkes without interruption.
- Restored two previously unused character meshes to increase NPC variety.
- On Elite mode, the bomb timer has been reduced from 150 seconds to 100 seconds.
- Fixed a bug in Kalinatek's texture package by making a plant texture two-sided, allowing it to render correctly from both sides.
- Chinese Embassy
- Based on the Xbox version for the first part, featuring lighting and mesh improvements.
- Lambert's briefings no longer trigger at the start of the level, allowing the player to speak with Coen without interruption.
- Abattoir
- Based on the Xbox version for the first part, featuring mesh improvements.
- Applied alternate character meshes to increase NPC variety.
- The kill objective will no longer complete from knocking out the primary target.
- Fixed a bug where killing unrelated NPCs triggered incorrect dialogue.
- Fixed a bug where the player could keep retriggering the same objective and dialogue.
- After completing the final objective, the player can still move around in case enemies are still around.
- Changed the default mesh for Sam to Partial Sleeves.
- Chinese Embassy 2
- Based on the Xbox version for all parts, featuring lighting and mesh improvements.
- Changed the default mesh for Sam to Partial Sleeves.
- Fixed an issue where fight music would persist for the rest of the mission if the player sneaked past the guards destroying Feirong's data.
- Kola Cell
- The kill objective will no longer complete from knocking out the primary target.
- Changed the default mesh for Sam to Standard.
- Restored the Russian stress and fight soundtracks.
- Added alternate mix of common fight theme.
- Vselka
- Restored the PlayerStart position from the Xbox version.
- Restored a camera in the control room from the Xbox version.
- The level now transitions directly into Vselka Submarine, treating them as a single mission.
- Alarm stages will no longer be ignored for the initial part.
- Added a new alarm light for the Cafeteria ceiling camera as none was assigned.
- Sam now adjusts his stance to crouched when speaking with Bobrov.
- On Elite mode, the extraction timer has been reduced from 150 seconds to 100 seconds.
- Restored the Russian stress and fight soundtracks.
- Added alternate mix of common fight theme.
- Nuclear Power Plant
- Removed a vent frame's collision that was preventing the player from progressing.
- Removed a conflicting NPC that caused the game to crash due to broken pathing.
- Fixed the technician who was frozen in an idle stance until alerted, due to a missing animation attempting to be played.
- Improved the turret section so that shooting the glass allows you to pass through.
- Replaced Chemical Flares with standard Flares in the turret section.
- Fixed keypad doors that were sliding in the wrong direction.
- Various lighting fixes in the second part.
- Added turret controllers for the turrets.
- Fixed disposable picks that were assigned the wrong StaticMesh.
- Fixed an issue where the keyboard typing sound would endlessly loop after triggering the meltdown.
- Severonickel
- The first part is currently unplayable, missing StaticMeshes and NPCs, but available for exploration.
- The second part now starts the player with the same equipment as the first part.
- Fixed a StaticMesh that was clipping through a ceiling.
- Added textures for several StaticMeshes that had none assigned.