Full state machine: MENU , LAUNCH ,ORBIT , WIN / FAIL
Menu screen with controls panel + mission briefing panel
Animated bouncing rocket on menu with pulsing prompt
Engine repair mechanic: press R after engine failure

Fuel leak doesn’t insta kill; manageable drain
Star field that alpha fades in as altitude climbs
Rocket fins added, gravity turn tilt hinted
HUD rewritten: Flight Computer panel and two progress bars
(FUEL bar and ALTITUDE TO ORBIT bar during launch)
Stage separation auto fires at 20 km with log message
WIN / FAIL overlays with ENTER to restart
ESC quits from anywhere
Score calculation on win (fuel × 12 + time bonus)
Satellite now drawn with solar panels
Delta time physics: physics no longer frame rate dependent