ZDoom

Spoiler:

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- Added sliders for footsteps volume and delay, thanks to TheZombieKiller.
- Added Resident Evil sounds for all footsteps (you might need to lower the volume a bit).
- Calico gives more ammo on pickup.
- M4A1 Carbine jams earlier than before, for balance reasons.
- Casing sounds had their volume lowered.
- Changed soulsphere sprite (it's the Ringer's Solution from Parasite Eve 2).
- Splitted shotgun sounds for shell loading and pickup
- Added an overheating system for the M249. Reloading and staying idle helps lowering the heat. The heat is indicated through a bar on the right.
- Increased M249 durability a bit.
- M249 takes one state more to start jamming.
- Increased size of HUD altfire icons.
- Changed the channel where the plasma steam plays, so now the firing sounds better.

GAA1992 wrote:That's easy my friend:

https://forum.drdteam.org/viewtopic.php?t=5771

Hope you have fun! I surely did

Spoiler:

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- New sprites for the Machete by PillowBlaster.
- New sprites for the G. Launcher by YukesVonFaust.
- New sprites for the pistol repair parts by YukesVonFaust.
- New sound for the M4A1 mixing RE3's Assault Rifle and PE2's M4A1
- New intro titlemap with credits to Endie and Doomguy5th.
- New sounds for some parts of the menu.

- M249 name changed to Daewoo K3 for better sounding, even though there isn't a K3 in RE or PE.
- Plasma Rifle now takes three states to start to cooldown.
- Daewoo K3 now doesn't cool entirely after overheating.
- M79 first stage now launches its grenades in an arch. This is some useful info, as they don't fly straight anymore.
- Franchi SPAS-12 now correctly reloads shells instead of always pumping the first one.
- Altered some explosion sprites and actor names for some size saving.
- Deleted lots of unused stuff.

Spoiler:

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- Renamed Plasma Cannon to "Winchester P94" to resemble the Fallout series.
- Fixed grenade dryfire states on Alternate attack.
- Fixed small behaviour changes on shotgun.
- Deleted some unused stuff again.
- Upgrades were taken out; not fun, not balanced, not linear, and code-bloating.
- Shotgun ammo limits lowered down to 40/80.
- Pistol ammo limits lowered down to 150/300.
- Battery ammo limits lowered down to 180/360.
- Pistol ammo clip quantity lowered to 15.
- Pistol ammo box quantity lowered to 45.
- Rifle ammo clip quantity lowered to 20.
- Changed barrel sprites.
- Upgrades reloading speeds were added to their vanilla counterparts, so they feel better to use.
- Changed M79 projectile sprites.
- Shotgun can change its altfire type during reload.
- Changed some menu sounds again, as well as some item ones.
- Increased pistol sprite size on first HUD.
- Used hand grenade explosion system on the M79 projectile for size sake.
- Ammo spawners now properly work for ammo spots and enemies.
- Some weapons had their jamming points changed, such as the Beretta 92FS and the Daewoo K3.
- Repair parts are slightly harder to obtain.
- Rifle ammo is slightly harder to obtain.
- SPAS-12 had its ammo capacity increased to 8.
- Daewoo K3 ammo capacity lowered down to 120.
- Winchester P94 ammo capacity lowered down to 90.
- Swapped the toolbox by a new item: The special medikit. Only 2 can be carried in the inventory, replaces blursphere and heals 25 HP, however it can go past 100 HP.