In Wings of Liberty, the maximum number of units (based on the supply cap) was 200, but I found out that you can have up to 255 if they are added or found during gameplay. What is the maximum number of units for Heart of the Swarm? I am still in the download process so I cannot check myself.

  • 1
    In WoL you could have basically an infinite amount of units. 255 was just the limitation of units you could have in one control group but you could easily have 400 zerglings. In HotS the limit of units in the control group is removed.
    – user1978
    Commented Mar 15, 2013 at 1:34
  • Do not forget overlords. If something is infinite, they are.
    – Orc JMR
    Commented Mar 15, 2013 at 2:26
  • One very important question - in campaign or in multiplayer?
    – iber
    Commented Mar 20, 2013 at 16:03
  • 1
    I recall in BW if you mind-controlled a drone and an SCV you could build 200 supply for all 3 races.
    – Ian
    Commented Mar 20, 2013 at 16:31
  • Yes Ian, but in SC2 you only have 1 supply type even if you build other races buildings
    – Blem
    Commented Mar 20, 2013 at 23:27

1 Answer 1


One zergling take 0,5 supply (and this is the cheapest zerg unit) so you should have maximum number of 400 zerglings on map.


After my small 45+ Blizzard minutes research I gave up.

Over 300 Overlords

I played custom with very easy Terran bot. I focus on building Overlords.

Ending screen

As you can see; 342 (unit produced) - 21 (unit lost) = minimum 321 units alive in the same moment . I don't receive any waring or other information that I can't produce more Overlords. So... you can have probably max map number of Overlords.

Max map number in Starcraft II is (probably) 4096 so you can have max. 4096 Overlords.

  • I'm not sure if this zergling take 0,33 supply :/
    – iber
    Commented Mar 14, 2013 at 22:47
  • You might want to name the strain that gives this ability to complete the answer. Commented Mar 14, 2013 at 23:24
  • 1
    they don't take less supply, it's 1.5 supply by egg instead of 1 Commented Mar 15, 2013 at 17:04
  • 1
    This seems to ignore the question being asked... He's asking whether there is a hard cap on unit number, and whether you can exceed the supply. Additionally, you forgot to factor in overlods/overseers, which are units that don't require supply.
    – Sconibulus
    Commented Mar 20, 2013 at 17:11
  • 1
    @Sconibulus special update for you!
    – iber
    Commented Mar 20, 2013 at 19:13

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