In terms of frames, how much faster is a soft drop in Tetris for the NES?

Like, on level 0, the piece moves down one cell every 48 frames. When you soft drop the piece, is there a specific equation for how fast it falls?

Like, if x = the normal frames between cell drop and y = the frames between each cell drop during a soft drop, is there an equation for y in terms of x?


Soft drop speed is twice as fast as normal gravity (or =1/2G). So on level 0, where normal gravity is one cell per 48 frames, soft drop is one cell per 24 frames.


  • I don't actually own an NES so I've just been using a version of NES Tetris on the internet so I don't know super well but the internet seems to say that on level 6, normal gravity is every 23 frames, so about 24. Does that mean that a soft drop on level 0 is almost the same as normal gravity on level 6 because that seems kind of slow? – user203619 Jan 15 '18 at 5:46
  • I guess? I've never played the game, I just knew a good source with numbers. – Toomai Jan 15 '18 at 11:39
  • yeah I've been to that website and thought it seemed a little slow. I actually just thought of something. Gravity is measured in frames right? like 1G is 1 cell per frame, 20G is like 20 cells per frame, etc. so what if when it says 1/2G, it means half a cell per frame (or rather 1 cell per 2 frames) no matter what level you're on? – user203619 Jan 16 '18 at 3:01

Tetris NES89 NTSC(60FPS)
Level 0 normal gravity every 48 frames 1 cell, softdrop every 2 frames 1 cell

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy