A simulation game, simulating bipolar disorder.
No, really. The author calls it “a video game about mania, melancholia, and the creative process.” The graphics are simple, the controls are easy (left arrow to move left, right arrow to move right, spacebar to jump, and esc to exit), and the point … well. The gameplay is the point.
Urer’f n uvag. Fcraq nf zhpu gvzr nf lbh pna ng gur ortvaavat cynlvat onyy jvgu gur yvggyr tvey. Vg jvyy freir lbh va tbbq fgrnq. Abg gung vg jvyy uryc va gur tenaq fpurzr bs guvatf, ohg vg’f tbbq gb qb. Fur jba’g nyjnlf or gurer.
A free download (donationware). Available for Windows, Mac, and Linux.