w+point to your direction- move mouse- point to your direction click- shoot e- auto shoot(well, only for 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 times.) defeat the zombies and 2 bosses you get extra 50 hp when on level 2 boss
Do not touch the trapping wall, they will trap you( you can't move )
