So, I gave Doom snapmap a try... (Grim detour)
So I came up with this silly thing, across the span of 12 hours.
Manual monster placement limitations are such a big pain (maximum 64 monsters across the whole level)
And you can't add as many pieces of levels as you want, however, i found out that adding ai monster group to let the module fill with specific predefined monsters set helps to make the level a bit less empty.
Plus, using survival triggers adds extra amount of monsters that makes the combat a bit more intensive.
And as a fun extra, added an optional hard mode, where healing altars are disabled =P
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At present, AlphaEnt2 (aka Blorc) has 22,064 views spread across 37 videos for Doom, with his channel uploading 5 hours worth of Doom videos. This is 6.35% of the total watchable video on AlphaEnt2 (aka Blorc)'s YouTube channel.