It would appear that a rather big bug has been discovered in Left 4 Dead.

During Versus mode, where players get to have a crack at being the Infected, not only can the merciless beast called the Tank knock the Survivors down and beat them to death, but it would seem that he can also change his mind and be kind.

A Tank reviving a Survivor? Check out the screenshot to see what we mean. Another Left 4 Dead update coming soon, we think!

Aww, we always knew the Tank had a little bit of good left inside him

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