I want:
Weather
Ai marine and enemy spawns
Human/marine character like halo reach elite customization
Weapons like whips or shurikens?
SWIMMING
boats
5 player vehicles
Jungle forge map
Ocean forge map
Sky forge map
Forge map for each biome
Good old forgeworld map
Dropping weapons
Legit weaponless when all are dropped
Weaponless attack punch or knife slice
Evade armor ability and parachute armor ability
Halo reach infection and halo 4 flood mode
Nazi zombie type flood survival
Toggle first person deaths, vehicles, and other 3rd person activities
Prone
Climb or wall hang
Ninja like specializations with parkour movement
Flat building plain forge map
That's most of it, feel free to add on!
Also spreading fire, fire weapons and FIRE!