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Tower Defense Challenge / 塔防挑战

Current version: Release v2.11
(Local installation's version can be checked via console at mission start by every player)

VanASBI by Revenant: https://steamcommunity.com/sharedfiles/filedetails/?id=1098363725
RNG by Dmitriy: https://steamcommunity.com/sharedfiles/filedetails/?id=1448556629

The only starting weapons you have access to are:
- All four types of sentries
- Healing Beacon
- Tesla Cannon

Sentry Upgrade System:
- Sentry Damage: Can be upgraded to up to Level 10.
- Sentry Assemble Speed: Can be upgraded to up to Level 6.
- Sentry Infinite Ammo Upgrade: Can be unlocked.

Swarm has a small chance of dropping one of the following items upon death (Shieldbugs guarantee a loot drop):
- One of the four types of sentries
- Sentry Damage Upgrade
- Sentry Assemble Speed Upgrade
- Sentry Infinite Ammo Upgrade (Shieldbug drops only)
- Fire Extinguisher (can freeze swarms)
- Autogun (single clip; benefits from Sentry Damage upgrades)
- Healing Kit
- Hand Grenades
- Freeze Grenades
- Electric Armor
- Grenade Launcher (single clip; Shieldbug drops only)
- Combat Drone (benefits from Sentry Damage upgrades)
- Defibrillators (can resurrect fallen marines)

Sentries:
- Invincible
- Ammo replenishes to full when dissembled
- Swarms will not bother attacking them (they can still be blocked)
- Grenade Sentries' fire rate has been greatly increased
- Incendiary Sentries' friendly fire has been greatly increased

Allowed Starting Equipments:
- Trip Mines (recharge up to 4 charges by one charge every 15 seconds)
- Tesla Sentry Coil (recharges up to 2 charge by one charge every 15 seconds)
- Incendiary Mines (recharge up to 2 charges by one charge every 60 seconds)
- Gas Grenades (recharge up to 2 charges by one charge every 60 seconds)
- T75 Explosives (recharge up to 2 charges by one charge every 60 seconds)
- Flares (recharge up to 15 charges by one charge every 15 seconds; can ignite Biomasses, Swarm Eggs, Parasites, Xenonites, and Buzzers)
- Healing Kit
- Welder
- Heavy Armor
- Freeze Grenades
- Electric Armor
- Power Fist



目前版本：Release v2.6
（本地版本可在任务开始后控制台查看）

Revenant 的 VanASBI: https://steamcommunity.com/sharedfiles/filedetails/?id=1098363725
Dmitriy 的 RNG: https://steamcommunity.com/sharedfiles/filedetails/?id=1448556629

你只允许使用的初始武器：
- 所有四种哨塔
- 治愈信标
- 电磁加农炮

哨塔升级系统
- 哨塔攻击力：可以升级至 10 级
- 哨塔搭建速度：可以升级至 6 级
- 哨塔无限弹药：可以解锁

被击杀的异形有低几率掉落以下其中一件物品（盾虫百分百会掉落）：
- 四种哨塔的其中一种
- 哨塔攻击力升级
- 哨塔搭建速度升级
- 哨塔无限弹药解锁（仅盾虫掉落）
- 灭火器（可冻结异形）
- 自动机枪（单个弹夹；受益于哨塔攻击力的升级）
- 医疗包
- 手雷
- 冰雷
- 电甲
- 榴弹发射器（单个弹夹；仅盾虫掉落）
- 战斗无人机（受益于哨塔攻击力的升级）
- 除颤器（用于复活阵亡士兵）

哨塔：
- 无敌
- 拆除时弹药填满
- 异形不会攻击炮塔（但仍然可以被阻挡）
- 榴弹哨塔射速大幅提高
- 火喷哨塔友军伤害大幅提高

可用初始道具：
- 绊雷（每 15 秒恢复一次使用，最多恢复至 4 次使用）
- 电磁线圈（每 15 秒恢复一次使用，最多恢复至 2 次使用）
- 火雷（每 60 秒恢复一次使用，最多恢复至 2 次使用）
- 毒气手雷（每 60 秒恢复一次使用，最多恢复至 2 次使用）
- T75 炸药（每 60 秒恢复一次使用，最多恢复至 2 次使用）
- 燃烧棒（每 15 秒恢复一次使用，最多恢复至 15 次使用；可点燃生物质、异形虫蛋、寄生虫、Xenonites、以及飞虫）
- 医疗包
- 电焊
- 重甲
- 冰雷
- 电甲
- 力拳



Special thanks to many seasoned scripters within the AS:RD community for helping me out with many parts of the script that powers this challenge! This challenge would not exist without the enormous amount of help provided to me!