Repair station
To repair, the ship must be in green cells, and the movement is selected in the weapon slot. Then click on the station..
..repair costs coins, if they are there, then repair 10 points per second for 1 coin, if not, then 1 point.
Portal
transfers to other areas, has a certain delay between jump.
Boxes
boxes drop out of enemies(mobs)
yellow box - coins,
red box - ammunition for weapons, no collected is full inventory,
green - fix, if repairs are not required - coins * 2.