BIND MY MOUTH CLOSED is a Solo RPG about secrets and what devastation they can cause. You can make it as horrific or as chill as you want, honestly.
From the page: BIND MY MOUTH CLOSED is a solo rpg about the secrets we choose to keep and how they weigh heavy on us. Each secret you keep, each secret you give away, each secret you lose will matter. Just make sure you‘re ready to pay the price for it.
You can get it for free at Itchio, or here for a PWYW!