V1.16
Raise spawn alien pack in each challenge stage.
Now the hjgher stage sholud be more challenge.

V1.15 fix

1.delete the wrong description of challenge.
2.Remove burning ability of devastator to make vindicator more unique.

V1.15

1.Adjust Grenade Launcher
2.Adjust difficulty. 1~2X Wave unchanged, 3~5X will obviously harder.
3.Unlock special attacks and movements for Aliens in 4X~5X Wave.

v1.13

Remove skill leveling due to system bugs. Still testing.
Slightly adjust marine's skill tree.

v1.13
Add new 5 Harder Test Stage.
Same as 1~5x Alien Wave, but YOU CAN'T AUTO RELOAD, requires more team covering fire when you are dry.
Marines can leveling and get SKILL POINT to spend.

V1.2

In New Custom 5 stage challenge Mod:
1. Increase health regen rate, marines can regen full health in 40 sec.
2. Fallen marines can be revived by teammate in limited time. You can change your control character by press F1~F8 if you are playing a solo game with bot, then revive yourself.
3.Increase Ammo box amount with higher alien pack level, from +1, +3, +6, +10 to +15. Now you should have enough supply to face the insane horde.

Weapon Change:
Buff Minigun to carry 4+1 clips of rounds(250 rounds each).

Set .50 cal to unique weapon. You can't bring 2 .50 cal for spare ammo.
(But you can bring twin pistol with autogun for more ammo, cause they use the same ammo type .)

V1.1
Increase 1 more Minigun(250+750 rounds) and .50cal (100+300 rounds).
Delete some useless code to make addon more compact.
You can ignite biomass with grenades in 1~5 stages of More Aliens Challenge.
Unlock the class requirement for t75 expolosive.