Nice to see that you continue this map. It's a cool siege map
You used a few item_pballgrenade entities without "count" "#". I'm not sure if this is intentional. Note this:
If you don't put the "count" "1" there, it will take the grenades that randomly spawn around the base and put them in your item_pballgrenade spawn.
The func_buttons move different. Sometimes it moves left, sometimes it comes out of the wall and sometimes it moves inside the wall. If you want moving buttons, I'd let them move uniform, maybe always a little bit to the wall.
I'd prefer scaling up all fence textures, that it doesn't look like an orange wall from bigger distances. Maybe use a size of 4.0 x 4.0 or something else.
And now a few screenshots:
Red: Here's a small edge.
Red: Normally I'd say fix the black faces with "_minlight" "#" or texture lighting, but it might be ok for this map, because there're a few more black spots. It's the flair of the map somehow.
Red: The flying cannon
In reality the cannon would fall down to the ground. I'd add some stuff that it looks a little bit more realistic here.
Red: Maybe noone else will have a look under the ice, but the barrels are misaligned from below
Red: I'd add clip brushes around those lights.
Blue: The idea is great and I really like it. But atm the lifebelt doesn't look good. There're a few glitches and the pieces are not equal. Maybe you could create an own texture for this.
Red: Add clip brushes here. And did you notice that you won't die at the fence right next to the hole?
Red: Add clip brushes here, too.
Blue: Here's a small glitch, too. I would do to ground one unit higher that the small edge disappears.
Red: Misaligned box texture from below.
Red: Here's a small edge, too. I'd just make the ground 1 unit larger.
Red: Delete this corner.
Red: Add clip brushes at this fences, too. Maybe you could also add clip brushes around the lights here.
Red: I'd add clip brushes here, too. Also, atm you could jump from the button to the arrow and then to the light. I'm not sure, maybe it's like you want to have it. If not, clip brushes would fix it.
Red: A hole.
Green: Add clip brushes around the buttons and the arrows.
Yellow: This arrow is crooked.
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