I came across 'To Deny the Route' after someone on a forum mentioned it being a brutal take on the system/regressor trope. The core idea is the protagonist, who's lived through the same timeline dozens of times in a loop, deciding he's done following the 'script' or the 'route' laid out by whatever force is controlling the cycle. Instead of trying to perfect the run or achieve the designated 'good ending', he actively works to dismantle the entire scenario, breaking key plot points and destabilizing the world's intended narrative.
It's less about overcoming challenges within the system and more about declaring war on the system itself. The plot becomes a fascinating mess as his actions create cascading failures—characters who were supposed to meet never do, pivotal events are sabotaged, and the world starts to glitch in unsettling ways. The tension comes from watching the established order fray at the seams.