Update 0.8.69

A small update before diving into the development of the continuation of the storyline in Elysium.

• The first level has been extended with one more capsule that damages one of the houses.
  
• Between the first and second level, the player now receives one of the special abilities (shields, invisibility or turret) for a better sense of progression and reward.
  
• Fixed a problem with the display of steps on different surfaces.
  
• Improved English voiceover of Marcus on the missions “Ancient Crater”, “Bastion” and “Abandoned Cliff”
  
• Changed some project system settings that may affect performance.