Stardew Valley
One of the best Sim games with remarkably high reviews, Stardew Valley offers perfect country life experience. It´s a RPG Sim with wide variety of features and gaming systems. Vast world, possible co-op with 3 players, low requirements and cheap price of 13,99 € make for a outstanding game.
Steam: https://store.steampowered.com/app/413150/Stardew_Valley/

Potion Craft: Alchemist Simulator
Despite being early-access, Potion Craft is a crafting simulator and definitely key player in calm games genre. Features that can make you interested are sandbox gameplay, unique visuals or many interactions with potions and potions materials.
Steam: https://store.steampowered.com/app/1210320/Potion_Craft_Alchemist_Simulator/

Clicker heroes
Clicker heroes is idle game where you kill monster that get stronger with every stage. For more info, Clicker heroes were included in our Top 10 free steam games list.
Steam: https://store.steampowered.com/app/363970/Clicker_Heroes/

My Time at Portia
RPG life Sim with huge open-world make My Time at Portia a big competitor in Sim genre. Gather resources to build your grandpa´s workshop and use it to craft more advanced materials. On top of that you can gain favour from inhabitants of Portia town and became the most famous craftsman. In addition to crafting and building, game also includes fighting, mining and a lot of exploring.
Steam: https://store.steampowered.com/app/666140/My_Time_At_Portia/
Epic Games: https://store.epicgames.com/en-US/p/my-time-at-portia

Unpacking
Unpacking is a zen puzzle game with a nice story. In short you unpack possession out of boxes into rooms which explain and reveal the style of life that person lives. Gameplay can be considered satisfying or even meditating. Due to its original and certainly appealing concept Unpacking won multiple game awards.
Steam: https://store.epicgames.com/en-US/p/my-time-at-portia