Suggestions

Skywars
1. When ingame enable these commands - /sw stats , /bal , /go (server) , /msg and /reply
2. The parkour is so short and don't even have an end
3. Remove unplayed map and make more maps like Spacewars , OP and Small map people love this type of maps.

Survivalgames.
1 . On deathmatch people just run away and it's a real pain , i would suggest Increase the time before the ma.. See more

Change /me to a lighter purple. Dark purple can sometimes be difficult to read.

A small improvement for the Extreme rank : /skull should have no cooldown for Extremes (at least on Creative).

My suggestion is based on the concept of item filter , but it works for /ah. For example , maybe there are 8 pages in /ah full of junks and blocks I don't need. The item filter will allow me to see for example spawners only or spawn eggs only or custom enchants only. Or let's say I want to see everything except iron blocks or wood. I think this could be pretty usefull so we can find some.. See more

1)UHC gamemode
2)UHC in FFA(map reset every 10 mins)
3)your own kit editing
4)/duel [name]
5)/party create ­­; /party invite [name]
6)''send rematch'' item (make one item in inventory so u can send rematch to the same person and u dont need to write /duel again and again)
7)gamemode ''last person standing'' should have random kits (except hoursepvp)
8)/pvps.. See more