Casual Tankers

Casual Tankers are pre-beta\Beta Oni content that was dropped sometime before release they can be seen in this early Oni trailer

and in these screenshots :

• http://wiki.oni2.net/File:Genesis_Level2_13.jpg
• http://wiki.oni2.net/File:Genesis_Level3_2.jpg
• http://wiki.oni2.net/File:Genesis_Level3_1.jpg
• http://wiki.oni2.net/File:Genesis_Level2_13.jpg

They were made into custom playable characters by Samer. The mod which adds an easy, medium and hard casual tanker(s), can be found on the forum here