Simple Rules ( go throw in All the game mods ) :
1. If you Die or Win Tell the other players.
2. A player can Pick any ship unless the Other players say not to do so.
3. You and the Other players can Decide if you will allow Restarting unless the game mode says otherwise.

Race (basic) :
1. The first player to beat the Boss WINS!
There are no other rules.

Poor man:
1. You are not allowed to Respawn or Restart ( changeable )
2. No Shopping ( including Repairs! )
3. The player who Beats the boss or Makes it the Furthest WINS!

Spartan (Super hard) :
0. NO restarting.
1. NO upgrades.
2. NO shopping.
3. NO new crew.
4. NO using loot for ships or Events.
5. DO not use anything you don't start with!
6. The Player who Beats the Boss ( somehow ) or makes it the Furthest WINS!
Warning this is the Hardest gamemode EVER!

Rules:
1. The 1st to a decided limit of scrap wins! ( 100, 300, 500, highest, Ect. )
2. Restarting is Allowed.
3. You may use any ship type but you must all pick the same one.
4. Everyone must decide on a set difficulty level.
5. Beating the ENDGAME boss adds a bonus 300 Scrap!
( 100 for each form of the final boss you defeat )

Special rules ( don't have to have any. )
1. Always let an enemy ship survive.
2. Never let a enemy ship survive.
3-4-5. don't use Boarding, Cloak or Drones.
6. Stay away from ships NO MATTER WHAT!
Eg. if you have the option to leave them do it.
7. Move mode: all players move move for an FTL jump
at the same time ( this is hard to do so choose at your own risk.)
8. Don't let Outside people Join the crew.

Can somebody make a Video demonstrating this? A video would help to present the information better.

Add a Comment on my discussion page About a gamemode you want in this OR a special rule.
Link: http://steamproxy.net/app/212680/discussions/0/648814395665868144/

Eg: Scrap rush

gamemode name: - insert good name here - ( scrap rush in this case )

Description: ( a gamemode were you need the most scrap )

Rules:
1. ( get the most scrap or Reach 500 + to win )
You can add varibles Eg. ( you can decide what Scrap you have to reach )
2. You can restart.
3. Any ship may be chosen but everyone must use it.
4. Decided difficulty
5. ect...

THANKS FOR YOU SUPORT! :D