Trigger unit spawn and after time kill

[Thingolus]

How can i make it that at 21:00 (game time) zombies spawn at random position and if its 8:00 all spawned zombies die?

 

[Revolve]

Use this:

• Events
  • Game - The in-game time of day becomes Equal to 21.00
• Conditions
• Actions
  • Unit - Create xxx Zombie for Player 1 (Red) at (Random point in (Playable map area)) facing Default building facing degrees

• Events
  • Game - The in-game time of day becomes Equal to 8.00
• Conditions
  • ((Matching unit) is alive) Equal to True
  • (Unit-type of (Matching unit)) Equal to Zombie
• Actions
  • Unit - Kill (Matching unit)

Haven't tested, but it should work

 

[Billy the Cat]

With leaks that is D:
I can't open my World Editor now so I can't show how to make it leakless.

 

[UreDe4D]

and it doesn't work. first point, with your first trigger all the zombies would spawn at the same point of the map, so you better use a loop with "for each integer from 1 to xx do actions" . second trigger: i'm not 100% sure but i doubt it works, as you have no unit to compare the "matching" , best to use is (imo) a unit group with "pick every unit in playable area matching conditions" and then the conditions stated by Revolve. the events are correct

 

[Billy the Cat]

I got those triggers:

• Spawn Zombies
  • Events
    • Game - The in-game time of day becomes Equal to 21.00
  • Conditions
  • Actions
    • For each (Integer A) from 1 to [Number], do (Actions)
      • Loop - Actions
        • Set TempLoc = (Random point in (Playable map area))
        • Unit - Create 1 Zombie for [Player] at TempLoc facing Default building facing degrees
        • Custom script: call RemoveLocation(udg_TempLoc)

• Kill Zombies
  • Events
    • Game - The in-game time of day becomes Equal to 8.00
  • Conditions
  • Actions
    • Set TempGroup = (Units in (Playable map area) matching ((Unit-type of (Matching unit)) Equal to Zombie))
    • Unit Group - Pick every unit in TempGroup and do (Actions)
      • Loop - Actions
        • Unit - Kill (Picked unit)
    • Custom script: call DestroyGroup (udg_TempGroup)

I think those are leakless and should work for you