Adds spikes ( wood, stone, steel, gold, mese, diamond ) to the game.

Damages :

Wood deals 1 damage every 0.5 seconds.

Stone deals 2 damage every 0.4 seconds.

Steel deals 4 damage every 0.3 seconds.

Gold deals 1 damage every 0.1 seconds.

Mese deals 5 damage every 0.25 seconds.

Diamond deals 6 damage every 0.25 seconds.