Advise very fast hardcore game
So hardcore that it just needed to dance on the keys or on the reaction, and it has a lot passed.Try to count how many per day your body makes the motions, or consider how many times you blinked. This is of course not exactly, but I think the fun will last for a long time. You can even try to count the number of hairs on your head like...
venom215
I'm talking about normal hardcore: tipo Dark Souls or I wanna be the guy
Alex Talykov
Trine for example, not very hardcore, but if on hard difficulty level I play)
Mr.Paradox acsimand
Passed
Super Hexagon took a long time (about a month). Then tried Open Hexagon, not ice.
Super Meat Boy came just a month ago
The first Mega man on Nes complete without saving, trained the game in about an hour, but you will not pass.
Found some. Soundodger+, like Super Hexagon. Though I have not yet tested the XS - speed or not.
Titan Attacks. The Incentive is an updated version of the old arcade. I like, but it is not to such an extent hardcore and speed.