Board Thread:Questions and Answers/@comment-75.159.4.201-20140317211832/@comment-24545666-20140318215247

If you don't have enough bloontonium, DON'T ATTACK!!!!!! Between levels 9-17, I was just upgrading stuff (i.e. NanoTek Rubber Repair),and when I started attacking Ididn't use bloonstones! Also, try hardcore mode on easy tiles (i.e. greens, pinks.)