Picochess is a chess program for the Raspberry Pi that you can use to carry out analyses, train openings, and master games.
Windows Terminal has a hidden feature called "Quake mode" that turns it into a global drop-down console, saving you precious seconds and mouse clicks.
Europa Universalis V is a hugely complex game with a lot of moving parts that can be difficult to keep track of. With the help of cheats and console commands, you can make the experience much easier.