Yeah, that's fair.
It's hard since some people will understand the solution quickly and some won't, so it's hard to judge how long of a timer you should have.
In addition, I wanted this to be only made by me, and I didn't know if playtesters would count as part of my team or not, so I avoided play testing. Which made making a riddle game a little harder since I was unsure if my riddles were clear or not.
I think I should have made the timer either 10 minutes long or had some kind of difficulty which at least made the timer longer or shorter. It would be cool to also have easier or harder puzzles like in Silent Hill, but I did not have time for that.
