Transportation of the player, be it vehicles or teleporters.

New ways to deal with enemies, be it attack or defense.

Armors or armor equipment.

Changes to enemies or entirely new enemies to deal with.

Map generation and terrain modification.

New ways to deal with enemies, be it attack or defense.

New ways to deal with enemies, be it attack or defense.

New Ores and resources as well as machines.

Transportation of the player, be it vehicles or teleporters.

New ways to deal with enemies, be it attack or defense.