Ever get bored in the middle of a 70+ hour game? Creators like Rockstar and Square-Enix understand that only too well, which is why they often put other games inside their games to keep you engaged. Here are five of the finest. Witcher 3 – Gwent: Witcher 3 is a stunning open-world RPG filled with incidental detail, intriguing characters and monsters to hunt and slay. It also has a p... more.