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Arachnid Swarm (Challenge)

Current Version: Beta v3.1
(Local installation's version can be checked via console at mission start by every player)

An Alien Swarm experience inspired by Starship Troopers: Extermination.
You will be shooting lots of bullets at lots of aliens:
- Carnage 2.
- Large number of Uber Drones.
- Alien speed is fixed and does not scale with difficulty.
- Several weapon balances have been made.
- Ammo Satchels now start with 8 stashes.
- Killed aliens have a chance of dropping ammo.
- All rifles now start with doubled amount of reserve ammo.
- Picking up ammo refills rifle alt fire charges.
- Flamer requirements have been removed. Biomasses can be ignited via explosions or flares.
- Killed aliens have a chance of dropping a stack of four sentries.
- Sentries have a maximum health of 1000 hp.
- Sentries will automatically rotate toward the nearest alien.
- Sentries have infinite ammo.
- Marines can repair sentries by standing next to them. Repairs can be interrupted if the sentries take damage.