If you're low on self-discipline like me, it might be best to save this for a slow Friday afternoon, or else your co-workers will start to talk.
If you need an excuse to revisit the Tower Defense game, this upgrade (with new towers and very different feel) is the rationale you've been waiting for.
If you're low on self-discipline like me, it might be best to save this for a slow Friday afternoon, or else your co-workers will start to talk.