On: You can increase your intelligence

[Splines]

FYI, this game crashed on me at launch (W2K8 R2). Setting the exe to run under WinXP compat mode made it work.

It's also devilishly hard. Dual 1-back is easy, but Dual 2-back is surprisingly difficult. I think it'd be fun to get good at this :).

[Kutta → Splines]

I usually play it at d9b with 2,5 sec intervals. I intend to advance higher though.