Its actually 19! I have just completed the Single player challenge, now got the 19 Boss level survival to do - not easy with just 1 lifedannyjo22 said:18 I think. You play through the 9 twice.
Just got my 12 min survival achievement. The 4 player game on live is manic. Lasted 17 minutes in total.
Gave it a few goes and so far I have only got as far as boss 10 before loosing the life and having to start again....which is quite time consuming!Isn't is just!!Mana said:so much fun this gameaddicitive as hell!
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addicitive as hell!