The combination of slow crawl stealth mechanics, fast paced boss fights and a mysterious story kept the game going at a fun and unpredictable pace. (bitcultures.com)
Most importantly, a successful free - to - play game allows game developers to forge a direct relationship with their players that keeps a game going strong for years. (kotaku.com)
This is a great way to keep the game going even if the toy sales don't take off. (engagedfamilygaming.com)