Creating Custom Mutations

The process is similar to creating custom configs. You want to put your addons in

garrysmod/addons/your-addon/lua/horde/gamemode/mutations

and use the format similar to the ones here: https://github.com/tpan496/Horde/tree/main/gamemode/mutations

Mutation List

Regeneration

Regenerates 2% health per second. Caps at 100.

Frenzy

Increased action speed.

Nemesis

Explodes on death, dealing damage based on health.

Shielding

Has a regenerable shield. While the shield is active, the enemy is immune to damage.

Charged

Deals increased damage and SHOCK damage.

Giant

Increased damage, health, and character size.

Decay

When a player is hit, place a debuff that disables all sources of healing for 5 seconds.