This is gamemode what was popular in counter-strike 1.6, but didn't make till CS:GO, atleast for public release. Deffinetly some credits go to Mitchell for his
https://github.com/MitchDizzle/PaintBall , because some things are taken from here, but still this version is little bit different.
Config file location:
csgo/sourcemod/paintball.cfg
Config file will create automaticly when you will first lauch the plugin.
sm_bullet_gravity (Default: 0.2)
sm_bullet_speed (Default: 1600.0)
sm_grenades_chance (Default: 10)
sm_grenades_enable (Default: 1)
NEW: Weapon config file location:
csgo/addons/sourcemod/configs/paintball/weapons.txt
Change stuff in there, switch weapons and everything will be updated!
- Drag & drop plugin
- Drag & drop models/material/sound files
- Reload plugins
SOURCEMOD 1.8
No idea why, but it seems like it's not working on 1.7 or 1.9 
Paintball arms:
https://forums.alliedmods.net/showthread.php?p=2382746
http://gamebanana.com/skins/142271
Parachute:
https://forums.alliedmods.net/showthread.php?p=580269
https://forums.alliedmods.net/showpo...&postcount=555
Some paintball maps:
https://steamcommunity.com/workshop/.../?id=516183523
Mostly you can use any map, but I suggest to use maps without many models, because decals of the paintball balls doesn't show up on models, but only on brushes.
Mitchell for this one
https://github.com/MitchDizzle/PaintBall
Added github: https://github.com/boomix/CS-GO-Paintball