Oh goody, a game that has jetpacks ^^
I´ve always been a Tribes fan. I just love flying. Sadly there werent that many players, and even the nameservers got killed...
But now... Theres a new game on the horizon, and that is LEGIONS: OVERDRIVE
http://www.legionsoverdrive.com/
Features: *Jetpacks
*Guns(i think i counted over 5 there)
*Classes(basically outfits with one powerup)
*Its FREE
Cons: *The community is a bit small
*It is going to loose the registration need, cause it will be going open(semi-open)
Videos:
I do not know everything(probably not even alot) about the gameplay.
A small mini guide-
1) Register
2) Download launcher
3) Run the launcher
4) Wait for the update to finish
5) Start the game
6) Join a server
7) Press escape to choose from classes(the small box below)

Press Mousebutton 1 to spawn
9) Fly with middle mouse button
10) Press space bar to glide on the ground(like skating)
11) Fire at some people
14) Get shot at
15) Die
16) Repeat 8 to 15.