This time, I took some experiments by improving bot's aim ability, and... Well, just as scary as its title, the survivor bots here are merciless. If I can put in difficulty level, probably they're equal to hard or advanced difficulty. The bots here have quite accurate aim. One thing is, they can take most special infected for themselves & leave you only few. They're also merciless to common infected.
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And for this time, I tried another method to make the vscript mod via "mapspawn". So, this mod will feel more like an "expansion pack". You can combine this mod together with other mod with scriptedmode in it & it won't conflict. I also made it so that this mod can be used in both Last Stand & the older version.
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Aside of the merciless bots, I added some abilities for survivors (you can call this a "Mini Survivor Bots on Their Own Feet"). Here's the list of abilities:
1. "Bots Lead The Way"= They will walk on their own to the saferoom. This one is available on chat command feature & also when a player dies.
2. "Auto Revive Warp"= 10% chance to revive the dead survivors if killing special infected, & 100% chance if killing a tank.
3. Bots start with magnum pistols (bot only) & pills (all).
4. Survivors get full ammo when leaving saferoom.
5. Survivor rescued from closet has a random Tier 1 weapon.
6. "Healthy Jump" = when jumping, survivor can boost +1 health buffer if their health goes below 50.
7. "Hanging From The Ledge Prevention" = during combat state, bots can't hang from the ledge.
8. "Zombie Kill Morale Boost" = (bot only) 5% chance to get small health buffer when killing zombie when hp is low.
9. "Zombie Headshot Morale Boost" = bonus small health buffer for killing a zombie with a headshot.
10. *NEW* "Credit System" & "Buy System" = these will allow survivors to buy items with their exp points.
11. Chat Command Feature. This feature has some helpful commands within. The list of commands includes the "Bots Lead The Way" & "FriendlyFire On/Off". The list is in the changelog, or type "chat list" in the chat box.
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Notes:
- This mod works on all modes as long as it allows addons & mapspawn.
- This mod can work together with mods that use scripted mode & modified weapon scripts.
- (01/11/21) Added some chat commands about grenade give & take,& portable weapon drop.
- (01/15/21) Added FriendlyFire On/Off toggle in chat commands.
- (01/24/21) Added 3 modes in the chat command, "Full Mode" (default), "No Warp Mode", & "Normal Mode".
- (01/27/21) Added more chat commands about bot picking melee 
- (04/02/21) Added a chat command "chat list".
- (04/24/21) Added human survivor's exclusive skill "Melee Dash".
-  (05/11/21) Added "Tank's Health Revealer" toggle chat commands.
- (05/23/21) Added "Credit System" & "Buy System".
- (05/24/21) Added "Special Infected Buy Menu". See the Changelog for details.
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Notes 2: Make sure to check the chat list by typing "chat list" in the chat box to see the new chat commands related to new updates.