Update: 0.91

List of changes:
- Fixed crashing due to large amounts of buildings
- Fixed small minor bugs
- The game is now translated into 7 languages: Russian, English, German, Spanish, French, Italian, Portuguese.
- New game mechanics: Mutator (Depending on the H-Index scale, difficulty level and player's stats, more difficult zombie species will appear in the game).
- Small mechanics in the game: Exploding mushrooms (Explode at the player's sight and deal damage).
- Fixed the difficulty level in the game.
- New game mechanics: Player can search corpses/trash around the world and get experience points
- New game mechanic: Skill Tree (Experience points can be used to unlock more advanced buildings).
- Optimized game code, now the game runs smoother.
- Improved physics of torn off body parts
- Added customization section