Yes thanks for the feedback
there will be a loading screen, and the reason why the objects flash up is because i've put the sync on command after the objects loading part. Yes, it does not state the fps anymore, but does it run smoother now? - you can change the graphics settings in the options menu.
In the final version there will be instructions, but here are a few for now:
arrow keys: move
shift/control: move forward/backward
Normal: collect all the rings and cubes before time runs out
Time rush: start with 7 seconds, which decreases - collect a ring/cube and your time increases a little
race: got to the 'destinations' in as quick a time as possible - in the final version there will be opponents times too.