Yes, this is an edited version of nightmare engine: Due to me participating in Joe Anderson's series of games called 'Smarty lab', Iv'e decided I'd take it on to new places.

Iv'e upgraded the engine so it can now handle serveral weapons and allow the user to change between them, and also it lets the player shove enemies back.

Give credit TOT comics for using this 😊

Tags: game, engine, 3d, nightmare, andyh444, smarty, lab, abandonment, counterattack, l4d, l4d2, source

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