Aimless Mode
This is mostly a joke mod that I always thought about. It will stop you from aiming your weapons while also unequipping them (you won't lose them) and play a quick little animation.
It's a pretty simple mod and should offer a very different challenge to anyone who tries it. I do have suspicions that Rockstar never intended for players to always use manual aim, only in a few specific scenarios, like in the mission "Nines and AK's" where you have to shoot the car's fuel tank. However, the mission is still possible even if you just keep shooting the car until it blows up, and you have infinite ammo during the mission, so there should be no problems.
Note: You can still aim with the following weapons and tools: sniper, rocket launcher, rocket launcher HS, minigun, spraycan, fire extinguisher, and camera.
v1 — Initial Release.
v2 — The code was rewritten. Now it'll properly detect all weapons (including added ones) and allow aiming with a few weapons. It'll also play a quick little animation if you try aiming with a weapon you can't aim.
v3 — The minigun has been added as an exception, so you can still aim with it. I also fixed a bug where the animation wouldn't play for certain weapons.