- Fixed grenade box (hand grenades, freeze grenades, gas grenades) falling to the ground weirdly.
- Fixed marines doing the “time to leave” shout on missions with only an escape objective when a marine dies.
- Headcrab melee damage now scales with difficulty. Old: 5. New: 3/5/7/10/13.
- Antlion worker spit damage now scales with difficulty. Old: 20. New: 6/10/14/20/26.
- Queen grab damage now scales with difficulty. Old: 1. New: 0.6/1.0/1.4/2.0/2.6.
- Ranger spit damage now scales with difficulty. Old: 12. New: 3.6/6/8.4/12/15.6.
- Combine soldier health now scales with difficulty. Old: 50. New: 30/50/70/100/130.
- Combine elite health now scales with difficulty. Old: 70. New: 42/70/98/140/182.
- Combine soldier shove damage now scales with difficulty. Old: 10. New: 6/10/14/20/26.
- Combine elite shove damage now scales with difficulty. Old: 15. New: 9/15/21/30/39.
- Antlion guard/guardian shove damage now scales with difficulty. Old: 23. New: 6/10/14/20/26.
- Antlion guard/guardian charge damage now scales with difficulty. Old: 23. New: 12/20/28/40/52.
- Added convar rd_antlionguardian_poison, for challenges to enable the Half-Life 2: Episode Two poison damage behavior for antlion guardians.