Incursion Red River

Incursion Red River

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Custom AI Settings Guide
By Sajakain
This guide goes through each of the settings when you elect to set the AI difficulty to "Custom". It gives the in-game description, the variable range (if applicable), and an explanation of what to expect when adjusting the setting.
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Choosing Custom Setting For The AI
Settings -> Gameplay -> AI Settings

Here you have 4 options:
  • Low
  • Mid
  • High
  • Custom
If you select "Custom", it'll open up a lot of variables that you can change that affects the AI's behavior while you're on mission.
AI Custom Difficulty Settings
AI Multiplier
"A multiplier that works on top of the base AI count on the map and the default AI coop multiplier."

This ranges from 0.5 -> 1.5.

Game Note: Be careful, as more enemies could lead to worse performance.

The game has a base value for how many enemies will be present in each raid. This multiplier increases (or decreases) that value.


Boss Damage Multiplier
This ranges from 0.25 - 2.00

Multiplies the damage that boss enemies do to you. Leaving this at 1.0 is considered "default". If you set this to 2.00, boss enemies will do twice as much damage to you. If you set it to 0.25, they will do 1/4th of the their normal damage.


Standard AI Damage Multiplier
This ranges from 0.25 - 2.00

Multiplies the damage regular AI (non bosses) do to you. Leaving this at 1.0 is considered "default". If you set it to 2.00, normal enemies will do twice as much damage to you. If you set it to 0.25, they will do 1/4th of their normal damage.


Player Dealt Damage Multiplier
This ranges from 0.25 -> 2.00

Multiplies the damage you do. Leaving this at 1.0 is considered "default". If you set it to 2.00, you will do double the damage. If you set it to 0.25 you will do 1/4th of your "default" damage.


Deliberate Miss Angle
"The angle the AI misses during the deliberate miss time."

This ranges from 1 -> 40.

When the AI is deliberately missing you, how wide are their misses? That's what this setting determines. 1 means they're accurate. 40 means they're nowhere near you with their shots.


Deliberate Miss Reset Time
"How long should we wait before we restart the deliberate miss timer, the higher the more likely after going in cover the AI will not miss."

This ranges from 1.0 -> 20.0

This may be worded a bit awkwardly but what it effectively means is that once the previous setting has been triggered (Deliberate Miss Time), how long does the AI have to wait before they restart the Deliberate Miss Time. If you set this to 1, it'll be pretty instant. 20 means that they have some time to get some good shots on you before they even consider missing again.


Deliberate Miss Time
"How long after perceiving the player the AI will deliberately miss the target."

This ranges from 0.0 -> 5.0

Another pretty self explanatory setting. Once the AI sees you, how long does it take for the game to tell the AI to deliberately miss their shot. 0.0 means they immediately miss. 5.0 says it'll take them 5 seconds before they deliberately miss.


Deliberate Shot Count
"For every burst/tap fire, how many shots should we miss. Some weapons have fixed values (Snipers & Shotguns)"

This ranges from 0 - 5.

This sets how well the AI's accuracy is. Some weapons (Snipers & Shotguns) can't have this variable adjusted for obvious reasons. For every other weapon it can be, however. 0 says the AI doesn't miss. 5 means they're praying something hits.


Deliberate Delay Time
"Determines for each burst/auto fire round how long the ai additionally waits. Useful to avoid being instant shot after peaking. Too long can make it very easy though."

This ranges from 0 - 1.

While not reflected in the slider to adjust this setting, it seems that it may scale using decimals. The scale only goes from 0 - 1, however. This will determine how long an AI waits in between shots.


On Target Aim Threshold
"Determines how large the hit radius is. 1 = 1 meter around target bone."

This ranges from 0.10 -> 1.00.

This variable dictates how accurate the AI is at their designated target between .4 of a meter and 1 meter.


Aim Target Bone
"The bone of the player that is targeted."

This isn't a range. It's multiple choice. You can pick "head", "spine_01", "spine_02", and "spine_03".

It simply dictates where the AI will aim at when they start shooting at you.


Perception Gain
"How long the player has to be in view for the AI to react."

This ranges from 0.00 -> 2.00.

Game Note: Perception Gain at 1 for example means that if the AI has perfect view on the player it takes 1 second until they "actual" see the player and turn to them.


Perception Angle Lost
"At which angle (in degrees) left/right the AI loses sight to the player."

This ranges from 40 -> 90.

It determines the angle from the AI's perspective, looking forward, that they lose sight of you. Like the Perception Range, this setting and the previous work together. You cannot have a Perception Angle Lost variable lower than the Perception Angle.


Perception Angle
"At which angle (in degrees) left/right the player can be perceived by the AI."

This ranges from 40 -> 90.

The angle from the AI's perspective, looking forward, at which they can see you. 30 degrees is a very narrow view while 90 is wide angle view.


Perception Range Lost
"At which range (in meters) AI loses sight to player."

This ranges from 50 -> 500.

Another self explanatory setting. If the player goes beyond this setting in distance, the AI will "lose sight" of you. It's important to note that this setting cannot be set lower than the previous setting. These two will adjust according to each other. ( if your Perception Range is set to 200, you cannot have a Perception Range Lost of 150. The AI cannot both lose sight of you and see you at the same time. )


Perception Range
"At which range (in meters) players can be perceived."

This ranges from 50 -> 400.

Pretty self explanatory. It sets the maximum range at which AI is able to "perceive" you between 50 and 400 meters. For perspective, if you set this to 400 meters the AI can see you from a quarter mile away.


Perception Threshold
"How well player has to be perceived by the AI to be actually spotted."

This ranges from 0.10 -> 0.50

Without the developer's actually metric here, it's an educated guess of variables. 0.10 may mean the AI only has to see your shadow to know you're there while 0.50 may mean that they have to see you with a gun in hand pointing at them before they realize what you're up to.


AI Memory Length
"Determines how long for example the AI will search for the player."

This ranges from 20 -> 90.

This will set the amount of time it takes an AI to go back to an "all clear" type of status. Various things may trigger their "active" state such as seeing you / searching for you, hearing a gunshot, seeing a teammate, seeing one of their AI buddies get shot, etc.
Change Log
Update 6/26/2025
The game was updated to patch 1.2.0.0 on 6/25/2025. AI custom settings were also adjusted. It seems that the order of the custom AI settings were reversed? Not sure why but it was noticed lol.
  • Some variables had their ranges adjusted. These changes have been reflected in the guide.
  • "Target at Bone" was renamed to "Aim Target Bone"
  • "Reaction Range" was renamed to "Perception Range"
  • "Reaction Time" was renamed to "Perception Gain"
  • New setting called "AI Multiplier" was added.
  • New setting called "Deliberate Delay Time" was added.

Update 1/6/2025
  • Some variables had their ranges adjusted. These changes have been reflected in the guide.
  • Added the three new "Damage Settings" variables. (Player Dealt Damage Multiplier, Standard AI Damage Multiplier, and Boss Damage Multiplier)
5 Comments
Sajakain  [author] 26 Nov, 2024 @ 3:24pm 
@Queen Niijima - Much appreciated, friend. I'll take a look and update the guide when I have a moment.
Queen Niijima 17 Nov, 2024 @ 3:09am 
FYI, one of the latest updates have added 3 new settings. All of which are sliders to adjust weapon damage.


-The first is a multiplier for damage dealt by the player: The higher the amount, the more damage NPCs will take.

-The second is a similar setting to adjust how much damage regular NPC enemies will do to the player.

-The third setting adjusts the amount of damage boss NPCs will do. This is mainly for Elimination contracts and later, roaming bosses that are spawned in at random independent of any active missions.


All other existing settings have been updated slightly mainly to avoid bugs as some custom values seemed to break the AI or cause other unintended behaviors.
𝐎ᥣᑯ𝐑𝖾ᑯ𝐅ⱺ𝗑 30 Apr, 2024 @ 2:13pm 
Thank you.
Sajakain  [author] 25 Apr, 2024 @ 5:04am 
@Vaun - As far as I know, there's no setting to increase the number of AI enemies. However in today's patch (4/25/2024) they did increase the amount of AI present.
Vaun 24 Apr, 2024 @ 6:17pm 
Is there any setting to just increase the number of AI enemies? I don't want to necessarily make them quicker or more accurate. I would just like to fight more of them on a map.