Added:

- Temporary checkpoints

- Sprites of dead soldiers and skeleton:

- Wall spikes

- Circular structures by spikes

- Level structure for points

- Possibility to complete 2nd level

Changed:

- Background of 2nd level

- Plane sprite on the roof 2nd level

- Some elements of the 2nd level structure

Fixed:

- Infinite loading after completed of a last level

- Resetting a sounds settings after completing a level