After completing the game by extracting supplies, players get a lot of XP that counts towards character progression. No more room in Hell 2. Game progression is important, as it is the main driving force behind the player base investing time in the game. Generally, after gaining XP in games and gaining more levels, players can unlock certain features or weapons in the game. However, there is no progression system for this No more room in Hell 2?

related to
How to fix junction boxes in an extra room in Hell 2
Here's a short guide covering how to fix No More Room in Hell 2's wire boxes, along with some tips for players to keep in mind.
Does Inferno 2 have any additional room progression systems?
Yes, there is a progression system implemented No more room in Hell 2 which allows Players gain 2 types of experience points (XP). After completing the game. There are two different types of XP in the game:
Character XP
As indicated by the name, the Character XP Bound to the current character that you are using in the queue for matching. Players earn character XP by collecting supplies, completing both optional and main objectives, and safely evacuating.
Accumulating character XP is the main way to level up a character, which unlocks new skills No more room in Hell 2. For every 5 levels, a new skill slot is unlocked. The game allows players to equip 1 of 3 skills per slot. The combination of skills equipped on your character will make it more effective for different situations, such as a marksman, a melee fighter, or a jack-of-all-trades.
However, if your character dies in a match, all character levels, XP, and skills will be lost. You need to start from scratch with another character. This is where Account XP comes into play.
Account XP
The second type of experience point, Account XPis permanent and does not disappear with your character. Your overall level increases with each game you play (displayed in the top-right corner of the screen). but, There is no weapon unlock system, or achievement system tied to account XP.
Since the game is in early access, there are still many features and systems that have yet to be implemented in terms of progress. No more room in Hell 2. In the future, players may be able to get new weapons, new types of responders, or new maps unlocked after reaching certain account XP. But for now, it gives you nothing.