There is a free game on kongregate I use to moderate that free and is very similar to cs. It's called like csp or something.

Games on Kongregate are never good. FPS is not meant for an online browser game.

No, I know the game he's talking about, and it was surprisingly ok, despite everything working against it, being a client-side, browser-based fps. It runs on unity web player if I remember correctly, so it functions.

Sounds strange. I remember a game called Paradise Paintball that I used to love.

csp was cs:portable, you could play that shit on your phone, it was pretty great for the ridiculous Unity port/hack of cs

This ?
There is also a game called Red Crucible 2 which is kind of like battle-field.

There is one more I can't think of but it's no cs based.

Begone ? Rush Team ?