Zoneark Windows

[Reinforcements]

I have them in my add-ons and they're checked off, but they don't appear in-game.

[Ad Bot]

[alex dude]

If they are checked off they will not appear in-game,
check the box and then try.

[Blastdown]

Requires the JVS_Content add-on to be used, it must be checked off as well.

[Regulith]

Do you have a lot of add-ons enabled?

New post edit: That could be the problem as well.

If they are checked off they will not appear in-game,
check the box and then try.

Checked off generally means the box is checked.