# Towers, evolved

**URL:** <https://forums.speedlife.net/t/towers-evolved/46546>\
**Category:** NYSpeed Off Topic\
**Created:** [April 10, 2008, 5:51am UTC](https://forums.speedlife.net/t/towers-evolved/46546 "2008-04-10T05:51:54Z")\
**Posts on this page:** 1\
**Showing post:** 8

<div class="post-metadata">

**Author:** ![SHOtime](https://avatars.discourse-cdn.com/v4/letter/s/8e8cbc/32.png) [@SHOtime](https://forums.speedlife.net/u/SHOtime)\
**Post date:** [April 10, 2008, 7:47am UTC](https://forums.speedlife.net/t/towers-evolved/46546/8 "2008-04-10T07:47:10Z")

</div>

how do you upgrade when it says you need the research center?

---

_[View the full topic](https://forums.speedlife.net/t/towers-evolved/46546)._