It takes few hits with FULLY upgraded missile launcher to take 2 first versions of shields of that amoeba-like stuff on Heroic Boss Rush, but only one to take 3rd and 4th (where you need missile launcher anyway to destory it but still...)? T_T
Easy mode:*click**click**click**click**shake**click**click**click**click**click**click**shake**click**click**click**click**click**shake*
Normal mode:*click**click**shake**click**click**shake**shake**click**click**shake**click**click**shake**shake**click**click**shake**click**click**shake**shake**click*click**shake*
Hard mode: *click**click**click**click**shake**shake**shake**shake**shake**reveal**shake**shake**shake**shake**shake**reveal**shake**shake**shake**shake**shake**reveal**shake**shake**shake**shake**shake**reveal**shake**shake**shake**shake**shake**reveal**shake**shake**shake**shake**shake**RAGEQUIT*