Back in the day games were challenging with no hand holding we see in a lot of the games today. Games did not have regenerating health, maps and infinite continues like today.
According to Irrational Games, the 1999 mode was created in honor of the studio’s classic title, System Shock 2, which was released back in 1999. After putting out a survey to fans of the series, the developers decided to take many of the hardcore elements from System Shock 2.
The upgrade choices you make in Infinite’s 1999 mode will actually be quite permanent. If you decide to upgrade a shotgun instead of a sniper rifle, you will have to live with that short distance weapon. In addition to weapons, ammo and health will be scarce.
The game will also penalize you for dying as every time you respawn it will consume a particular resource in your inventory. Once that resource is completely depleted you will be greeted with a ‘Game Over’ screen, meaning you will have to start from scratch.
The 1999 mode sounds rather harsh and reminds me of Dark Souls in many ways as the game offers up challenges which prevents players from just getting a free pass through difficult areas.