Hello everyone, this is Rockspirit here, and I just finished my last custom story "Out Of Time". This story is talking about a time traveling machine. The scientific amnesic who discovers the machine learns that it is a time traveling machine. Understanding that this is not his home, he decides to enter the machine and stop the doctor who created it to prevent chaos. Compared to "Trapped In My Mind" or "Pewdiepie's house", I Worked hard on the level design, it's more concrete, more extensive, but it still a short custom story. I hope you'll enjoy it, it's been a while i'm working on it, so please don't be so mean :).
Out of Time is quite an interesting mod. The concept of using time travel makes for interesting gameplay, however this mod suffers from some issues with level design which can make it frustrating on the platforming segments. From invisible ladders to platforms that look solid but aren't, and also one game breaking bug exists regarding the explosive puzzle (you can only throw a rock at it, nothing else).
To give you an idea on a frustrating, common scenario, lets say you're on the "Dimension" level, in which you're tiny or all objects are scaled to huge levels. Invisible ladders are placed around the map, and you can't touch the ground since it's deep water and apparently you can't swim. Touching the ground leads to your death. So, one of the invisible ladders doesn't work, you fall down, get seriously injured. Then you jump from platform to platform, though one of the platforms turns out to be not solid. You fall through, die, and sit through the abnormally long 10 second hint message before respawning again.
The developer said this isn't as hard as Amnesia, but that's because he made it. It's more confusing than Amnesia and most custom stories out there by a long shot, but don't let this deter you. There's a lot of potential in this mod. What it has more than anything is potential.