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 <img align="left" src="logo/logo_small.png" width="128px"/>
 
-# Wicked Engine
+# Wicked Engine 0.20.6 (Old System Backup Version)
+This is a snapshot of the old object-oriented system design. This was replaced by Entity-Component based system in version 0.21.0 (2018.09.30).
+This version is no longer maintained and not forward-compatible with the new version.
 
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