Moonlighter - Create some headspace & focus on building those ideas
Stardew Valley - Stardew Valley is a 2D Awesome, Action, Role-playing, Crafting, Top-down, Building, Sandbox and Single-player video game create by ConcernedApe and published by Chucklefish.
Epic Astro Story - Android - $4.99, apple - $3.99 (Free "lite" version available for both)
TheoTown - A City simulation game with great nostalgic graphics.
Soda Dungeon - Soda Dungeon is a Free to play, Adventure-based, Role-playing and Single-player video game developed by AN Productions and published by Armor Games.
Rail Nation - Become a logistics tycoon in this fascinating railroad strategy game.